1. No category

L−force
Ä.J),ä
BA 33.0005−EN
.J),
Operating Instructions
Three−phase AC motors
L−force MLLMA; Basic MLERA...V1
Three−phase AC motors
l
,
Please read these instructions before you start working!
Follow the enclosed safety instructions.
0Fig. 0Tab. 0
2
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BA 33.0005−EN 2.0
Contents
1
2
3
4
5
6
i
About this documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
1.1
Document history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
1.2
Conventions used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
1.3
Terminology used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
1.4
Notes used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
2.1
General safety instructions for drive components . . . . . . . . . . . . . . . . . . . . . . . . . .
8
2.2
Application as directed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
2.3
Improper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
2.4
Residual hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
3.1
Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.1
Nameplate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1.2
Product key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
14
21
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
4.1
.................................
24
Mechanical installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
5.1
Important notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
5.2
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27
5.3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
5.4
Assembly of built−on accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
5.5
Spring−applied brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
5.6
Locking of the manual release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
Electrical installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
6.1
Important notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
6.2
Three−phase AC motor operation on a frequency inverter . . . . . . . . . . . . . . . . . . .
34
6.3
Wiring according to EMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.3.1
Power connections on the terminal board . . . . . . . . . . . . . . . . . . . . . . . .
6.3.2
Brake connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.3.3
Feedback system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35
35
37
38
6.4
Plug connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.1
Motor plug connection assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.2
Power connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4.3
Feedback system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38
39
39
41
6.5
Terminal box HAN connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
42
BA 33.0005−EN
General data and operating conditions
2.0
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3
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7
8
9
4
Contents
Commissioning and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
7.1
Important notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
7.2
Before switching on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44
7.3
Functional test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
7.4
During operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45
Maintenance/repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46
8.1
Important notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46
8.2
Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2.1
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.2.2
Spring−operated brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
46
46
47
8.3
Maintenance operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.1
Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.2
Spring−operated brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.3
Checking the component parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.4
Checking the rotor thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.5
Check air gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.6
Release / voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.7
Readjustment of air gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.8
Rotor replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48
48
48
50
50
51
51
51
52
8.4
Installation of a spring−applied brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.1
Brake characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.2
Installation of the brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.3
Readjustment of air gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.4
Assembly of the friction plate, sizes 06 to 16 . . . . . . . . . . . . . . . . . . . . . .
8.4.5
Assembly of the flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4.6
Assembly of the cover seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
53
53
55
55
56
57
8.5
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
8.6
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
Troubleshooting and fault elimination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59
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BA 33.0005−EN 2.0
About this documentation
1
1
About this documentation
Contents
ƒ
The present documentation serves to safely work on and with the drives. It includes
safety instructions which must be observed.
ƒ
All persons working on and with the drives must have the documentation available
and must observe the information and notes relevant for their work.
ƒ
The documentation must always be in a complete and perfectly readable state.
If the information provided in this documentation is not sufficient in your case, please refer
to the controller or gearbox documentation.
I
Tip!
Information and auxiliary devices related to the Lenze products can be found
in the download area at
http://www.Lenze.com
Validity
This documentation is valid for three−phase AC motors:
Type
Designation
L−force MLLMA
Basic MLERA...V1
Three−phase AC motors (squirrel cage induction motor)
Target group
This documentation is directed at qualified skilled personnel according to IEC 60364.
Qualified skilled personnel are persons who have the required qualifications to carry out
all activities involved in installing, mounting, commissioning, and operating the product.
BA 33.0005−EN
2.0
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5
1
About this documentation
Document history
1.1
Document history
Material no.
1.2
Version
Description
13368637
1.0
12/2010
TD09
First edition of the operating instructions, separate
from servo motors
.J),
2.0
03/2012
TD09
Extended with the UL warning
"Screw−in depth B14 flange" table has been
extended
Nameplate updated
Conventions used
This documentation uses the following conventions to distinguish different types of
information:
Type of information
Identification
Examples/notes
Spelling of numbers
Point
Decimal separator
In general, the decimal point is used.
For instance: 1234.56
Icons
1.3
6
Page reference
^
Reference to another page with additional
information
For instance: ^ 16 = see page 16
Document reference
,
Reference to another documentation
providing additional information
E.g.: , Software manual ...
Terminology used
Term
Describes the following
Motor
Three−phase AC motor (squirrel cage induction motor) in versions
according to product key, ^ 21 .
Controller
Any servo inverter
Any frequency inverter
Drive system
Drive systems including three−phase AC motors and other Lenze drive
components
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BA 33.0005−EN 2.0
About this documentation
1
Notes used
1.4
Notes used
The following pictographs and signal words are used in this documentation to indicate
dangers and important information:
Safety instructions
Structure of safety instructions:
}
Danger!
(characterises the type and severity of danger)
Note
(describes the danger and gives information about how to prevent dangerous
situations)
Pictograph and signal word
Meaning
{
Danger!
Danger of personal injury through dangerous electrical voltage.
Reference to an imminent danger that may result in death or
serious personal injury if the corresponding measures are not
taken.
Danger!
Danger of personal injury through a general source of danger.
Reference to an imminent danger that may result in death or
serious personal injury if the corresponding measures are not
taken.
Stop!
Danger of property damage.
Reference to a possible danger that may result in property
damage if the corresponding measures are not taken.
}
(
Application notes
Pictograph and signal word
)
I
,
J
Meaning
Note!
Important note to ensure troublefree operation
Tip!
Useful tip for simple handling
Reference to another documentation
Warnings!
Important installation instructions for flange−mounted motors
The operating instructions indicates that the motor housing has threaded
holes or through holes.
ƒ These holes may not be used to install feet.
ƒ Motor mounting is only allowed as fixed installation without feet.
BA 33.0005−EN
2.0
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7
2
Safety instructions
General safety instructions for drive components
2
Safety instructions
2.1
General safety instructions for drive components
(in accordance with Low−Voltage Directive 2006/95/EC)
At the time of dispatch, the drive components are in line with the latest state of the art and
can be regarded as operationally safe.
Scope
The following safety instructions generally apply to Lenze drive components.
The product−specific safety and application notes given in this documentation must be
observed!
General hazards
}
Danger!
Disregarding the following basic safety measures may lead to severe personal
injury and damage to material assets!
8
ƒ
Lenze drive components ...
... must only be used as directed.
... must never be commissioned in the event of visible damage.
... must never be technically changed.
... must never be commissioned before assembly has been completed.
... must never be operated without required covers.
... can include live and rotating parts − depending on their type of protection − during
and after operation. Surfaces can be hot.
ƒ
All specifications of the corresponding enclosed documentation must be observed.
This is vital for a safe and trouble−free operation and for achieving the specified product
features.
ƒ
Only qualified, skilled personnel is permitted to work on and with Lenze drive
components.
According to IEC 60364 / CENELEC HD 384, these are persons who ...
... are familiar with the installation, mounting, commissioning, and operation of the
product.
... have the qualifications required for their occupation.
... know and are able to apply all national regulations for the preventions of accidents,
directives and laws applicable on site.
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BA 33.0005−EN 2.0
Safety instructions
2
General safety instructions for drive components
Transport, storage
ƒ
Transport and storage in a dry, low−vibration environment without aggressive
atmosphere; preferably in the packaging provided by the manufacturer.
– Protect against dust and shocks.
– Comply with climatic conditions according to the technical data.
ƒ
Before transport
– Check that all transport locking devices are mounted.
– Tighten all transport aids.
)
Note!
Do not apply extra loads to the product as the transport aids (such as eye bolts
or bearing plates) are designed for the weight of the motor only (refer to the
catalogue for the weight).
}
Danger!
Completely screw in transport aids (such as eye bolts or bearing plates), they
must be flat and applied over their entire surface!
If possible, the transport aids (such as eye bolts or bearing plates) must be
stressed vertically in the direction of the screw axis! Angular tension or tension
to the sides reduces the payload! Observe the information provided in the
DIN 580!
Use additional appropriate lifting aids, if required, to achieve a direction of
loading which is as vertical as possible (highest payload). Secure lifting aids
against shifting!
If you do not install the motor immediately, ensure proper storage conditions.
ƒ
Up to one year:
– Shafts and uncoated surfaces are delivered in a protected against rust status.
Aftertreatment is required where the corrosion protection has been damaged.
– Remove the plug for motors with condensation drain holes (special version).
ƒ
More than one year, up to two years:
– Apply a long−term corrosion preventive (e.g. Anticorit BW 366 from the Fuchs
company) to the shafts and uncoated surfaces before storing the motor away.
(
Stop!
Observe load carrying capacity!
Staying under floating load is prohibited!
BA 33.0005−EN
2.0
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2
Safety instructions
General safety instructions for drive components
Corrosion protection
Lenze offers paints with different resistance characteristics for drive systems. Since the
resistance may be reduced when the paint coat is damaged, defects in paint work (e.g.
through transport or assembly) must be removed professionally to reach the required
corrosion resistance.
Mechanical installation
ƒ
Provide for a careful handling and avoid mechanical overload. During handling
neither bend components, nor change the insulation distances.
Electrical installation
ƒ
Carry out the electrical installation according to the relevant regulations (e. g. cable
cross−sections, fusing, connection to the PE conductor). Additional notes are
included in the documentation.
ƒ
The documentation contains notes for the EMC−compliant installation (shielding,
earthing, arrangement of filters and installation of the cables). The manufacturer of
the system or machine is responsible for the compliance with the limit values
required in connection with EMC legislation.
ƒ
Only plug in or remove pluggable terminals in the deenergised state!
Commissioning
10
ƒ
If required, you have to equip the system with additional monitoring and protective
devices in accordance with the respective valid safety regulations (e. g. law on
technical equipment, regulations for the prevention of accidents).
ƒ
Before commissioning remove transport locking devices and keep them for later
transports.
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BA 33.0005−EN 2.0
Safety instructions
2
Application as directed
2.2
Application as directed
Low−voltage machines are no household appliances, they are designed as components for
industrial or professional use in terms of IEC/EN 61000−3−2 only.
They comply with the harmonised standards of the series IEC/EN60034.
Low−voltage machines are components for installation into machines as defined in the
Machinery Directive 2006/42/EC. Commissioning is prohibited until the conformity of the
end product with this directive has been established (follow i. a. IEC/EN 60204−1).
It is only permissible to use low−voltage machines with IP23 protection or less outdoors if
special protective measures are taken.
The integrated brakes must not be used as safety brakes. It cannot be ruled out that
interference factors which cannot be influenced cause a brake torque reduction.
ƒ
Drives
– ... must only be operated under the operating conditions and power limits
specified in this documentation.
– ... comply with the protection requirements of the EC Low−Voltage Directive.
)
Note!
Generally, all products this documentation is valid for meet the requirements
of the Low−Voltage Directive 2006/95/EC. Products that do not meet the
minimum efficiencies of the EU Directive 640/2009 (and hence the ErP
Directive 2009/125/EC), will not be CE−compliant as of 16th June 2011 and
thus do not receive a CE designation.
In that case, the product may only be used outside the EEA.
Any other use shall be deemed inappropriate!
2.3
Improper use
ƒ
Do not operate the motors
– ... in explosion−protected areas
– ... in aggressive environments (acid, gas, vapour, dust, oil)
– ... in water
– ... in radiation environments
)
Note!
Increased surface and corrosion protection can be achieved by using adapted
coating systems.
BA 33.0005−EN
2.0
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11
2
Safety instructions
Residual hazards
2.4
Residual hazards
Protection of persons
ƒ
The motor surfaces can become very hot. Danger of burns when touching!
– Provide protection against accidental contact, if necessary.
ƒ
Highfrequency voltages can be capacitively transferred to the motor housing
through the inverter supply.
– Earth motor housing carefully.
ƒ
Danger of unintentional starting or electrical shocks
– Connections must only be made when the equipment is deenergised and the
motor is at standstill.
– Installed brakes are no fail−safe brakes.
Motor protection
ƒ
Installed thermal detectors are no full protection for the machine.
– If required, limit the maximum current, parameterise the controller such that it
will be switched off after some seconds of operation with I > IN, especially if there
is the danger of blocking.
– Installed overload protection does not prevent an overload under any conditions.
ƒ
Installed brakes are no fail−safe brakes.
– The torque can be reduced due to disruptive factors that cannot be influenced, e.g.
by ingressing oil due to a defect shaft sealing ring on the A side.
ƒ
Fuses are no motor protection.
– Use current−dependent motor protection switches at average operating frequency.
– Use installed thermal detectors at high operating frequency.
ƒ
Too high torques cause a fraction of the motor shaft.
– The maximum torques according to catalogue must not be exceeded.
ƒ
Lateral forces from the motor shaft may occur.
– Align shafts of motor and driving machine exactly to each other.
ƒ
If deviations from normal operation occur, e.g. increased temperature, noise,
vibration, determine the cause and, if necessary, contact the manufacturer. If in
doubt, switch off the motor.
Fire protection
ƒ
12
Fire hazard
– Prevent contact with flammable substances.
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BA 33.0005−EN 2.0
Product description
3
Identification
3
Product description
3.1
Identification
Three−phase AC motors ...
MLLMA
Motor with standard output flange
Motor with square flange for direct gearbox
attachment
MT−MDEMA−005.iso/dms
MLERA...V1
Standard motor
MT−MXERA−001.bmp/dms
BA 33.0005−EN
2.0
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3
Product description
Identification
Nameplate
3.1.1
Nameplate
Three−phase AC motor with square flange for direct gearbox attachment
Standard version
Typenschild−GNG−001.iso
CSA/UL version
Typenschild−GNG−002.iso
14
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BA 33.0005−EN 2.0
Product description
3
Identification
Nameplate
Pos.
Contents
1
Manufacturer / production location
2
Motor type / standard
3
Gearbox type
4
Motor type
5
Technical data
Ratio
Rated torque
Rated speed
Rated frequency
6
Mounting position / position of the system blocks
7
Lubricant
8
Brake data (if fitted)
Type
AC/DC brake voltage
Braking torque, electrical power input
9
Feedback / pulse encoder or resolver data (if fitted), see product key ^ 23
10
Manufacture data
Order number
Material number
Serial number
11
Bar code
12
Rectifier designation
13
Information on operating mode
14
Additional motor
specifications
Temperature class
Enclosure
Motor protection
15
Valid conformities, approvals CE identification; CCC identification
and certificates
cURus logo / UL file number
16
Rated data for various
frequencies
UL energy efficiency logo
BA 33.0005−EN
2.0
Hz
=
frequency
kW
=
motor power
r/min.
=
motor speed
V
=
motor voltage
A
=
motor current
h
=
Motor efficiency: at a rated power of 100%
cos j
=
motor power factor
17
Application factor (given if < 1.0) / load capacity
18
Year / week of manufacture
19
UL file number
20
Additional customer data
21
Inverter duty motor
22
Motor code for controller parameterisation (code 0086)
23
Efficiency class
24
Maximum ambient temperature
25
Grade A =
26
CC number of the Department of Energy (optional)
27
Ta £ 40°C
28
Partial load efficiencies for 50Hz operation at a rated power of 50% and 75%
29
ALR
30
Weight
voltage tolerance range according to range A according to IEC/EN 60034−1
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3
Product description
Identification
Nameplate
Three−phase AC motor with standard output flange
Standard version
Typenschild−MT−003.iso
UL version
Typenschild−MT−001.iso
16
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BA 33.0005−EN 2.0
Product description
3
Identification
Nameplate
Pos.
Contents
1
Manufacturer / production location
2
Motor type
3
Motor type
4
Inverter duty − motor
5
Brake data (if available)
6
Order no.
7
Bar code
9
ALR
Ampere locked rotor (UL version)
10
Production data
Material no.
12
Motor protection
13
Efficiency class
14
Additional motor
specifications
Degree of protection
Applicable conformities,
approvals and certificates
CE identification
(UL version)
Serial number
15
Thermal class
CCC identification
cURus logo / UL file number
UL energy efficiency logo
16
BA 33.0005−EN
2.0
Rated data for
various frequencies
Hz
=
frequency
kW
=
motor power
r/min. =
motor speed
V
=
motor voltage
A
=
motor current
cos j =
motor power factor
h%
Efficiency at 100% rated power
=
17
Operating mode information
18
Feedback / pulse encoder or resolver information (if available), see product key ^ 23
19
CC number of the Department of Energy (optional)
20
Motor code for controller parameterisation (code 0086) for 50Hz/87Hz
22
Ta £ 40°C
23
Partial load efficiencies for 50Hz operation at a rated power of 50% and 75%
24
Additional customer data
25
Range A = voltages with tolerances according to range A according to IEC/EN 60034−1
l
17
3
Product description
Identification
Nameplate
Three−phase AC motor, basic version
MLERA...V1
Typenschild−MT−005.iso/dms
Typenschild−MT−005−1.iso/dms
18
l
BA 33.0005−EN 2.0
Product description
3
Identification
Nameplate
Pos.
Contents
1
Manufacturer / production location
2
Type of motor / standard
3
Motor type
4
Material no.
5
Serial number
6
Year of manufacture
7
Rated data for
50 Hz and 60 Hz
V
=
Hz
=
frequency
kW
=
motor power
r/min. =
motor speed
A
motor current
=
cos j =
8
BA 33.0005−EN
2.0
Additional motor
specifications
motor voltage
motor power factor
8.1
Degree of protection
8.2
Temperature class
8.3
Motor protection
9
Applicable conformity declarations and approvals
10
Number of poles
11
Efficiency class
12
Efficiency at 100% rated power
13
Efficiency at 75% rated power
14
Efficiency at 50% rated power
15
Operating mode
16
Order no.
l
19
3
Product description
Identification
Nameplate
Examples
Three−phase AC motor, basic version
MLERA...V1 IE1
MLERA...V1 IE2
Typenschild−MT−005.iso/dms
Typenschild−MT−005−1.iso/dms
Three−phase AC motor with standard output flange
Standard version
UL version
Typenschild−MT−007.iso/dms
Typenschild−MT−006.iso/dms
Three−phase AC motor, basic version
MLERA...V1 IE1
MLERA...V1 IE2
Typenschild−MT−005.iso/dms
20
l
Typenschild−MT−005−1.iso/dms
BA 33.0005−EN 2.0
Product description
3
Identification
Product key
3.1.2
Product key
Three−phase AC motors MLLLA
M
−
0
1
2
3
4
5
6
7
8
9
Legend for product key
0 type − type of current
D
Three−phase AC current, standard efficiency
class
H
Three−phase AC current, efficiency class IE2 according to IEC 60034−30 (high)
E
Single−phase AC current
P
Three−phase AC current, efficiency class IE3 according to IEC 60034−30 (premium)
F
FI−optimised motor
1 Cooling method / ventilation
E
Self−ventilated (cooling with fan blades; speed−dependent)
F
Forced ventilated (e.g. blower unit)
S
Natural ventilation (without fan)
R
Standard motor
2 Design
M
Modular application motor
3 Machine type
A
Asynchronous machine
4 Built−on accessories
AG
Sin−cos absolute value encoder
BZ
Brake, second shaft end
RS
Resolver
BA
Brake with sin/cos absolute value encoder
GX
Prepared for encoder
TA
Tachometer generator
BF
Brake, GG fan, handwheel
HA
Handwheel
TI
Tachometer and incremental
encoder
BG
Brake, resolver and incremental encoder
IG
Incremental encoder
XX
Not assigned
BH
Brake, handwheel
KF
Backstop, GG fan, handwheel
ZE
Second shaft end
BI
Brake and incremental encoder
KH
Backstop, handwheel
KZ
Backstop, second shaft end
BL
Brake, GG fan
KI
Backstop, incremental encoder
LH
GG fan, handwheel
BR
Brake
KL
Backstop, GG fan
LL
GG fan
BS
Brake and resolver
KP
Backstop
LZ
GG fan, second shaft end
BV
Brake prepared
KS
Backstop, resolver
BX
Brake prepared for encoder
KV
Backstop prepared for encoder
BY
Brake, GG fan, second shaft end
KY
Backstop, GG fan, second shaft end
2
M, medium
4
VL, very long
5 Frame size
6 Overall length
0
BA 33.0005−EN
2.0
VS, very short
l
21
3
Product description
Identification
Product key
1
22
S, short
3
L, long
l
BA 33.0005−EN 2.0
Product description
3
Identification
Product key
7 Number of pole pairs
1 ... 6
Motors with a fixed number of pole pairs
A ... L
Pole−changing motors
8 Internal information
9 Approvals
Feedback system
LL
Resolver / encoder
L
L
L
0
1
2
3
Legend
0
Type
RS
IG
IK
AS
AM
1
Number
1
2, 3, 4...
32, 512,
1024,
2048, ...
2
2−pole resolver for three−phase AC motors
Number of pole pairs for resolvers
Number of steps / increments per revolution
Voltage
5 V, 9 V,
15 V,
24 V, ...
3
Resolver
Incremental encoder
Incremental encoder with commutation signal
Singleturn absolute value encoder
Multiturn absolute value encoder
Medium supply voltage
Interface or signal level
Standard
T
H
H
E
S
BA 33.0005−EN
2.0
with safety function
TTL
HTL for incremental encoders
Hiperface for absolute value encoders
EnDat
sin/cos 1 Vss
l
U
K
K
F
V
TTL
HTL (for incremental encoders)
Hiperface (for absolute value encoders)
EnDat
sin/cos 1 Vss
23
4
Technical data
General data and operating conditions
4
Technical data
4.1
General data and operating conditions
General data
Conformity and approval
Conformity
CE 1)
2006/95/EC
Low−Voltage Directive
2009/125/EC
ErP Directive
File No. E210321
UL/CSA
Approvals
M
CCC
1)
Does not apply to all products, ^ 11
Protection of persons and equipment
Degree of protection
IEC/EN 60034−5
See nameplate
Degrees of protection only apply to horizontal installation
All unused plug−in connections must be sealed with protective
caps or dummy connectors.
Thermal class
F (155 °C)
IEC/EN 60034−1
Permissible voltage
Exceedance of the temperature limit weakens or destroys the
insulation
According to limiting curve A of the pulse voltage from
IEC / TS 60034−25 (image 14)
EMC
IEC/EN 61800−3
Depending on the controller, see documentation for the
controller.
Transport
IEC/EN 60721−3−2
2K3 (−20 °C ... +70 °C)
Storage
IEC/EN 60721−3−1
1K3 (−20 °C ... +60 °C)
< 3 months
1K3 (−20 °C ... +40 °C)
> 3 months
3K3 (−20 °C ... +40 °C)
Without brake
3K3 (−10 °C ... +40 °C)
With brake
3K3 (−15 °C ... +40 °C)
With power reduction
> +40 °C
With power reduction see,
catalogue
Noise emission
Noise immunity
Operating conditions
Ambient conditions
Climatic
Operation
IEC/EN 60721−3−3
Site altitude
< 1000 m amsl − without power reduction
> 1000 m amsl < 4000m amsl with power reduction, see
catalogue
Humidity
Average relative humidity 85 %, without condensation
Electrical
Motor connection dependent on the controller (^ 33)
, inverter instructions
Length of motor cable
Length of cable for speed feedback
Mechanical
IEC/EN60721−3−3
24
3M6
l
BA 33.0005−EN 2.0
Mechanical installation
5
Important notes
5
Mechanical installation
5.1
Important notes
}
Danger!
Some of the motors mounted to the gearboxes are equipped with transport
aids. They are only intended for the mounting/dismounting of the motor to
the gearbox and must not be used for the entire geared motor!
BA 33.0005−EN
ƒ
Only move the drive with means of transport or hoists that have sufficient
load−bearing capacity.
ƒ
Ensure safe fixing.
ƒ
Avoid shocks!
2.0
l
25
5
Mechanical installation
Preparation
Screw−in depths − B14 flange
(
Stop!
Observe maximally permissible screw−on depth for B14 flange!
S
C
Motor type / motor size
5.2
Flange size [mm]
c max. [mm]
s
MDERALL056 V1
FT65
11
M5
MDERALL063 V1
FT75
14
M5
MDERALL071 V1
FT85
14
M6
MDERALL080 V1
FT100
16
M6
MDERALL090 V1
FT115
14
M8
MDERALL100 V1
FT130
19
M8
MDERALL112 V1
FT130
21
M8
MDERALL132 V1
FT165
22
M10
MLLMALN063
FT75
10
M5
MLLMALN071
FT85
10
M6
MLLMALN080
FT100
12
M6
MLLMALN080
FT130
16
M8
MLLMALN090
FT115
14
M8
MLLMALN090
FT130
16
M8
MLLMALN100
FT130
14
M8
MLLMALN112
FT130
16
M8
MHERALL080L
FT100
15
M6
MHERALL090L
FT115
16
M8
MHERALL100L
FT130
18
M8
MHERALL112L
FT130
19
M8
MHERALL132L
FT165
23
M10
Preparation
Remove the corrosion protection from the shaft ends and flanges. If necessary, remove dirt
using standard cleaning solvents.
(
Stop!
Bearings or seals must not come into contact with the solvent − material
damages.
After a long storage period (> 1 year) you have to check whether moisture has entered
the motor. For this purpose, measure the insulation resistance (measuring voltage
500 VDC). In case of values £1kWper volt of rated voltage, dry the winding.
26
l
BA 33.0005−EN 2.0
Mechanical installation
5
Preparation
(
Stop!
During transport and storage, condensation drain holes (see Fig. 1) are sealed
with plugs to protect them from pollution. Remove the plugs prior to
commissioning!
0
Fig. 1
Motor with condensation drain holes
0
)
Condensation drain holes
Note!
ƒ Depending on the mounting position, the condensation drain holes are
always at the bottom of the motor!
ƒ For condensate drainage
– the motor must be deenergised;
– the plugs (screws) must be removed.
(
Stop!
To restore the enclosure, re−insert the plugs (screws) after condensate
drainage. If the condensation drain holes are not sealed again, the IP enclosure
of the motor will be reduced. For horinzontal motor shafts to IP23 and for
vertical motor shafts to IP20.
The required maintenance intervals strongly depend on the corresponding ambient and
operating conditions. Initially, the condensation drain holes should be opened more
frequently (at least once a week) to obtain experimental values for the condensate
quantity arising.
BA 33.0005−EN
2.0
l
27
5
Mechanical installation
Installation
5.3
Installation
ƒ
The mounting surface must be dimensioned for the design, weight and torque of
the motor.
ƒ
The foot and flange faces must rest flat on the mounting surface.
– Incorrect motor alignment reduces the service life of the roller bearings and
transmission elements.
Impacts on shafts can cause bearing damages.
ƒ
Do not exceed the permissible range of ambient operating temperature ((¶ 24).
ƒ
Fasten the motor securely
ƒ
Ensure that the ventilation is not impeded. The exhaust air, also the exhaust air of
other machines next to the drive system, must not be taken in immediately.
ƒ
During operation, surfaces are hot, up to 140 °C! Ensure that guard preventing
accidental contact is in place!
Ensure an even surface, solid foot/flange mounting and exact alignment if a direct clutch
is connected. Avoid resonances with the rotational frequency and double mains frequency
which may be caused by the assembly.
Use appropriate means to mount or remove transmission elements (heating) and cover
belt pulleys and clutches with a touch guard. Avoid impermissible belt tensions.
The machines are half−key balanced. The clutch must be half−key balanced, too. The visible
jutting out part of the key must be removed.
Designs with shaft end at the bottom must be protected with a cover which prevents the
ingress of foreign particles into the fan.
5.4
Assembly of built−on accessories
Follow the instructions below carefully. Please note that, in the event of impermissible
alteration or modification of the motor, you will lose all entitlements to make claims under
warranty and to benefit from product liability obligations.
28
ƒ
Mount the transmission elements:
– Shocks and impacts must be avoided! They could destroy the motor.
– Always use the centre bore in the motor shaft (in accordance with DIN 332, design
D) for mounting.
– Tolerances of the shaft ends:
£ Æ 50 mm: ISO k6, > Æ 50 mm: ISO m6.
ƒ
Only use an extractor for the disassembly.
ƒ
When using belts for torque/power transmission:
– Tension the belts in a controlled manner.
– Provide protection against accidental contact! During operation, surface
temperatures of up to 140°C are possible.
l
BA 33.0005−EN 2.0
Mechanical installation
5
Spring−applied brakes
5.5
Spring−applied brakes
Important notes
As an option, the motors can be fitted with a brake. The installation of brakes (in or on the
motor) increases the length of the motor.
)
Note!
The brakes used are not fail−safe because interference factors, which cannot
be influenced (e.g. oil ingress), can lead to a reduction in torque.
The brakes serve to hold the axes at standstill or in the deenergised state.
They operate according to the closed−circuit principle, i.e. the brake is closed in the
deenergised state. The brakes for DC supply can be fed with a bridge−rectified DC voltage
(bridge rectifier) or with a smoothed DC voltage. The permissible voltage tolerance is ± 10 %.
If long motor supply cables are used, pay attention to the ohmic voltage drop along the
cable and compensate for it with a higher voltage at the input end of the cable.
The following applies to Lenze system cables:
ƪ
ƫ
U* [V] Resulting supply voltage
U *+ U B ) 0.08W
m @ L @ I B
(
UB [V] Rated voltage of the brake
l [m]
Cable length
IB [A]
Rated current of the brake
Stop!
If the brake is not supplied with the correct voltage (see nameplate), the brake
is applied and may be overheated and destroyed by the motor that possibly
continues to rotate.
The shortest operating times of the brakes are achieved by DC switching of the voltage and
a suppressor circuit (varistor or spark suppressor). Without suppressor circuit, the
operating times may increase. A varistor/spark suppressor limits the breaking voltage
peaks. It must be ensured that the power limit of the suppressor circuit is not exceeded.
This limit depends on the brake current, brake voltage, disengagement time and the
switching operations per time unit.
Furthermore, the suppressor circuit is necessary for interference suppression and also
increases the service life of the relay contacts (external, not integrated in the motor).
For permissible operating speeds and characteristics, please see the respective valid motor
catalogue. Emergency stops at higher speeds are possible, but high switching energy
increases wear on the friction surfaces and the hub.
(
Stop!
The friction surfaces must always be free from oil and grease because even
small amounts of grease or oil will considerably reduce the braking torque.
The formula below provides a simplified way to calculate friction energy per switching
cycle which must not exceed the limit value for emergency stops that depends on the
BA 33.0005−EN
2.0
l
29
5
Mechanical installation
Spring−applied brakes
Locking of the manual release
operating frequency (, motor catalogue; Lenze drive solutions: Formulas, dimensioning,
and tables).
Q + ½ @ J ges @ Dw 2 @
MK
MK * ML
Q [J]
Friction energy
Jtot [kgm2]
Total mass inertia (motor + load)
Dw
Angular velocity w=2p n/60, n= speed [rpm]
[1/
s]
MK [Nm]
Characteristic torque
ML [Nm]
Load torque
Depending on the operating conditions and possible heat dissipation, the surface
temperatures can be up to 140 °C.
,
5.6
More detailed information on the used brakes is provided in the corresponding
catalogues.
Locking of the manual release
Scope of supply
Geared motor
Shipping bag
GT−GXX−012.iso/dms
GT−GXX−013.iso/dms
GT−GNG−GST−010.iso/dms
l
l
l
1 Manual release lever with knob
1 Terminal block
1 Cheese head screw with nut
Mounting
1
3
1
2
2
4
3
0
GT−GXX−014.iso/dms
0
1
30
Cheese head screw with nut
Manual release lever with knob
l
2
3
Terminal block
Manual release shackle (brake)
BA 33.0005−EN 2.0
Mechanical installation
5
Spring−applied brakes
Locking of the manual release
Handling
(
Stop!
ƒ Lock the manual release only for service work!
ƒ The manual release must not be locked during operation, otherwise the
brake could be damaged!
ƒ Always secure the terminal block against loosening in every position with
cheese head screw and nut!
Brake not released / operating position
0
1
Brake released / service position
2
3
GT−GXX−015.iso/dms
0
1
BA 33.0005−EN
2.0
Cheese head screw with nut
Manual release lever with knob
l
GT−GXX−016.iso/dms
2
3
Terminal block
Fan cover
31
6
Electrical installation
Important notes
6
Electrical installation
6.1
Important notes
{
Danger!
Hazardous voltage on the power connections even when disconnected from
mains: residual voltage >60 V!
Before working on the power connections, always disconnect the drive
component from the mains and wait until the motor is at standstill.
Verify safe isolation from supply!
(
Stop!
Electrical connections must be carried out in accordance with the national and
regional regulations!
Observe tolerances according to IEC/EN 60034−1:
– Voltage ±5 %
– Frequency ±2 %
– Wave form, symmetry (increases heating and affects electromagnetic
compatibility)
Observe notes on wiring, information on the nameplate, and the connection scheme in the
terminal box.
32
ƒ
The connection must ensure a continuous and safe electrical supply, i.e.
– no loose wire ends,
– use assigned cable end fittings,
– ensure good electrical conductivity of the contact (remove residual lacquer) if an
(additional) PE connection on the motor housing is used),
– establish a safe PE conductor connection,
– tighten the plugin connector to the limit stop.
– After the connection is completed, make sure that all connections on the terminal
board are firmly tightened.
ƒ
The smallest air gaps between uncoated, live parts and against earth must not fall
below the following values.
l
BA 33.0005−EN 2.0
Electrical installation
6
Three−phase AC motor operation on a frequency inverter
Minimum requirements for basic
insulation according to IEC/EN
60664−1 (CE)
3.87 mm
6.2
Higher requirements for UL design
Motor diameter
6.4 mm
< 178 mm
9.5 mm
> 178 mm
ƒ
The terminal box has to be free of foreign bodies, dirt, and humidity.
ƒ
All unused cable entries and the box itself must be sealed against dust and water.
Three−phase AC motor operation on a frequency inverter
(
Stop!
Motors MFLMA are only suitable for frequency inverter operation.
L−force three−phase AC motors MLLMA are suitable for the operation on Lenze frequency
inverters and can be combined without restriction.
If another inverter is used for operation, the voltage peaks (Upp) for given rise times (tR) as
shown in the diagram must not be exceeded.
MT−MDXMA−005.iso/dms
Fig. 2
BA 33.0005−EN
2.0
Permissible voltage peaks for frequency inverter operation (characteristic according to IEC
60034−25, curve A)
l
33
6
Electrical installation
Wiring according to EMC
Possible countermeasures
Appropriate countermeasures must be taken if exceedance of the permissible voltage
peaks cannot be ruled out:
6.3
ƒ
Reduce the DC−bus voltage (brake chopper threshold voltage);
ƒ
Use filters, chokes;
ƒ
Use of special motor cables.
Wiring according to EMC
The EMC−compliant wiring of the motors is described in detail in the Operating
Instructions for the Lenze controllers.
6.3.1
ƒ
Use of metal EMC cable glands with shield connection.
ƒ
Connect the shielding to the motor and to the device.
Power connections on the terminal board
Motor
Power connections on the terminal board
Single−rotation motors
U
Pole−changing motors
D
0
1
MT_MXXXX_001.iso/dms
Dual−voltage motors
UU
34
Legend
U
l
L1/L2/L3
Power connection
TB1/TB2
Thermal contact − TCO
0
1
Low speed
UU
Low voltage
U
High voltage
+
PE connection (optional)
High speed
BA 33.0005−EN 2.0
Electrical installation
6
Wiring according to EMC
Brake connection
Temperature monitoring
Terminal strip / terminal board
Meaning
Designation in accordance with EN 60034−8
TB1
Thermal contact TCO
TB2
TP1
PTC thermistor
TP2
Thermal sensor +KTY R1
Thermal sensor −KTY R2
Note
Max. 250 V~
Max. 1.6 A~
Observe polarity
Terminal board or terminal possible for all thermal sensors
Blowers via blower terminal box / motor terminal box
External blower 3~
Terminal
board/terminal
Meaning
Note
U1
V1
W1
Connection to L1 − mains
Connection to L2 − mains
Connection to L3 − mains
Observe direction of rotation! In case of
incorrect rotation, interchange L1 − L2
External blower 1~
Terminal board /
terminal
6.3.2
Meaning
Note
U1
Connection to L1− mains
V1 / U2
Connection to N − mains
Brake connection
Terminal
Meaning
Add−on
~
AC−excited brake (rectifier)
Connection to L1 − mains
~
Connection to N − mains
+
Brake connection
Brake connection
−
M
3~
BD1
BD2
MS1
MS2
MS4
MS1
MS2
MS4
MS1
MS2
MS4
BA 33.0005−EN
2.0
Switching contact, DC switching
Brake, DC operated
DC connection
Brake microswitch, release control
Two−way switch (black)
NC contact (brown)
NO contact (blue)
Two−way switch (black)
NC contact (blue)
NO contact (brown)
Two−way switch (black)
NC contact (blue)
NO contact (grey)
Brake microswitch, wear control
Brake microswitch, manual release
l
35
6
Electrical installation
Plug connectors
Feedback system
6.3.3
Feedback system
Resolver
Terminal
Designation
Meaning
B1
B2
+ Ref
− Ref
Transformer windings
(reference windings)
B3
Not assigned
B4
B5
+ Cos
− Cos
Stator winding cosine
B6
B7
+ Sin
− Sin
Stator winding sine
B8
Not assigned
Incremental encoder / sin/cos absolute value encoder with Hiperface
Terminal
Designation
Meaning
B1
B2
+ UB
GND
Supply +
Mass
B3
B4
A
A
Track A / + COS
Track A inverse / − COS
B5
B6
B
B
Track B / + SIN
Track B inverse / − SIN
B7
B8
Z
Z
Zero track / + RS485
Zero track inverse / − RS485
B10 1)
Shield − housing
Shield − incremental encoder
1)
6.4
The terminal is not assigned if insulation at N−end shield of the motor has been selected!
Plug connectors
(
Stop!
ƒ Tighten the coupling ring of the connector.
ƒ If plugs without SpeedTec bayonet nut connectors are used, the connector
boxes for the power / encoder / fan connections must be secured by O−rings
if loadings by vibration occur:
– M17 connector box with O−ring 15 x 1.3 mm
– M23 connector box with O−ring 18 x 1.5 mm
Plug−in connectors (plug/connector box) with SpeedTec bayonet nut
connectors are vibration−proof.
ƒ If SpeedTec bayonet nut connectors are used, O−rings must be removed (if
any)!
ƒ Never disconnect plugs when voltage is being applied! Otherwise, the plugs
could be destroyed! Inhibit the controller before disconnecting the plugs!
36
l
BA 33.0005−EN 2.0
Electrical installation
6
Plug connectors
Motor plug connection assignment
6.4.1
Motor plug connection assignment
)
Note!
When making your selection, the motor data and permissible currents of the
cables according to the system cable system manual must be observed.
6.4.2
Power connections
Power / brake / thermal sensor
ICN, 6−pole and 8−pole
6−pole (external view of poles)
Pin
Standard description
Meaning
1
2
BD1 / BA1
BD2 / BA2
Brake + / ~
Brake − / ~
M23
+
PE
PE conductor
4
5
6
U
V
W
Power phase U
Power phase V
Power phase W
MT−Steckverbinder−001.iso/dms
8−pole (external view of poles)
Pin
Standard description
Name
1
U
Power phase U
M23
+
PE
PE conductor
3
W
Power phase W
4
V
Power phase V
A
B
TB1 / TP1 / R1
TB2 / TP2 / R2
Thermal sensor TCO /
PTC / + KTY
TCO / PTC / − KTY
C
D
BD1 / BA1
BD2 / BA2
Brake + / ~
Brake − / ~
MT−Steckverbinder−001.iso/dms
8−pole (external view of poles) / connection variant ICN 8B
Pin
Standard description
Name
M23
1
U
Power phase U
+
PE
PE conductor
3
W
Power phase W
4
V
Power phase V
A
B
TB1 / TP1 / R1
TB2 / TP2 / R2
Thermal sensor TCO /
PTC / + KTY
TCO / PTC / − KTY
C
D
BD1 / BA 1
BD2 / BA2
Rectifier: Switching
contact
MT−Steckverbinder−001.iso/dms
Connection variant ICN 8B − switching contact of the rectifier for DC switching. Rectifier
supply via motor terminal board. Only possible during mains operation!
BA 33.0005−EN
2.0
l
37
6
Electrical installation
Plug connectors
Power connections
Fan
ICN, 7−pole
Single−phase (external view of poles)
Pin
Standard description
Name
+
PE
PE conductor
M17
1
2
U1
U2
Fan
3
4
5
6
Not assigned
MT−Steckverbinder−001.iso/dms
Three−phase (external view of poles)
Pin
Standard description
Name
+
PE
PE conductor
1
U
Fan
2
Not assigned
3
V
4
5
6
38
M17
Fan
Not assigned
W
MT−Steckverbinder−001.iso/dms
Fan
l
BA 33.0005−EN 2.0
Electrical installation
6
Plug connectors
Feedback system
6.4.3
Feedback system
Resolver / incremental encoder / absolute value encoder
ICN, 12−pole
Resolver (external view of poles)
Pin
Designation
Meaning
1
2
+ Ref
− Ref
Transformer windings
(reference windings)
M23
3
Not assigned
4
5
+ Cos
− Cos
Stator windings
cosine
6
7
+ Sin
− Sin
Stator windings
Sine
8
9
10
Not assigned
11
12
+ KTY
− KTY
MT−Steckverbinder−001.iso/dms
Thermal sensor KTY
Incremental encoder / sin/cos absolute value encoder Hiperface (external view of poles)
Pin
Designation
Meaning
1
B
Track B / + SIN
M23
2
3
A
A
Track A inverse /
− COS
Track A / + COS
4
5
+ UB
GND
Supply +
Earth
6
7
Z
Z
Zero track inverse /
− RS485
Zero track / +RS485
8
Not assigned
9
B
10
Not assigned
11
12
+ KTY
− KTY
Track B inverse / − SIN
MT−Steckverbinder−001.iso/dms
KTY thermal detector
Circular connector
4−pole
Incremental encoder (external view of poles)
BA 33.0005−EN
2.0
Pin
Designation
Meaning
1
+ UB
Supply +
2
B
Track B
3
GND
Mass
4
A
Track A
M12
MT−Steckverbinder−001.iso/dms
l
39
6
Electrical installation
Terminal box HAN connectors
,
6.5
Further information is provided in the system cables system manual at:
www.Lenze.com ® Download ® Technical documentation ® Library ®
X1_Accessories ®X15_External_accessories ® X153_System_cables
Terminal box HAN connectors
Contact pin HAN−Modular 16 A
HAN−GTM−007.iso
HAN−GTM−004.iso
HAN−GTM−008.iso
HAN−GTM−004.iso
Contact pin HAN−Modular 40 A
Terminal box
40
Module
Contact
Core colour
Connection
a
1
brown
Terminal board: U1
2
black
Terminal board: V1
3
red
Terminal board: W1
b
Blind module
c
1
white or blue
Thermal sensor: +KTY / PTC / TCO
2
black
Brake + / ~
3
black
Brake − / ~
4
blue or brown
Rectifier: Switching contact
5
blue or brown
Rectifier: Switching contact
6
white or black
Thermal sensor: −KTY / PTC / TCO
l
BA 33.0005−EN 2.0
Electrical installation
6
Terminal box HAN connectors
Contact pin HAN 10E
HAN−GTM−007.iso
HAN−GTM−004.iso
Terminal box
Contact
Core colour
Connection
1
brown
Terminal board: U1
2
black
Terminal board: V1
3
red
Terminal board: W1
4
black
Holding brake + / ~
5
black
Holding brake − / ~
6
red
Terminal board: W2
7
brown
Terminal board: U2
8
black
Terminal board: V2
9
white
Thermal sensor: +KTY / PTC / TCO
10
white
Thermal sensor: −KTY / PTC / TCO
)
BA 33.0005−EN
2.0
Note!
Carry out the wiring in *or -in the counter plug:
ƒ * − wiring: 6−7−8
ƒ - − wiring: 1−6/2−7/3−8
l
41
7
Commissioning and operation
Important notes
7
Commissioning and operation
7.1
Important notes
For trial run without output elements, lock the featherkey. Do not deactivate the
protective devices, not even in a trial run.
Check the correct operation of the brake before commissioning motors with brakes.
7.2
Before switching on
)
Note!
Before switch−on, you must ensure that the motor starts with the intended
direction of rotation.
Lenze motors rotate CW (looking at the driven shaft) if a clockwise three−phase
field L1 W U1, L2 WV1, L3 W W1 is applied.
Before initial commissioning, before commissioning after an extended standstill period, or
before commissioning after an overhaul of the motor, the following must be checked:
42
ƒ
Measure the insulation resistance, in case of values £1 kWper volt of rated voltage, dry
the winding.
ƒ
Have all screwed connections of the mechanical and electrical parts been firmly
tightened?
ƒ
Is the unrestricted supply and removal of cooling air ensured?
ƒ
Has the PE conductor been connected correctly?
ƒ
Have the protective devices against overheating (temperature sensor evaluation)
been activated?
ƒ
Is the controller correctly parameterised for the motor?
(, Controller operating instructions)
ƒ
Are the electrical connections o.k.?
ƒ
Does the motor connection have the correct phase sequence?
ƒ
Are rotating parts and surfaces which can become very hot protected against
accidental contact?
ƒ
Is the contact of good electrical conductivity if a PE connection on the motor housing
is used?
l
BA 33.0005−EN 2.0
Commissioning and operation
7
Functional test
7.3
7.4
Functional test
ƒ
Check all functions of the drive after commissioning:
ƒ
Direction of rotation of the motor
– Direction of rotation in the disengaged state (see chapter "Electrical connection").
ƒ
Torque behaviour and current consumption
ƒ
Function of the feedback system
During operation
(
Stop!
ƒ Fire hazard! Do not clean or spray motors with flammable detergents or
solvents.
ƒ Avoid overheating! Deposits on the drives impede the heat dissipation
required and have to be removed regularly.
}
Danger!
During operation, motor surfaces must not be touched. According to the
operating status, the surface temperature for motors can be up to 140°C. For
the protection against burn injuries, provide protection against contact, if
necessary. Observe coolingoff times!
During operation, carry out inspections on a regular basis. Pay special attention to:
ƒ
Unusual noises
ƒ
Oil spots on drive end or leakages
ƒ
Irregular running
ƒ
Increased vibration
ƒ
Loose fixing elements
ƒ
Condition of electrical cables
ƒ
Speed variations
ƒ
Impeded heat dissipation
– Deposits on the drive system and in the cooling channels
– Pollution of the air filter
In case of irregularities or faults: (¶ 57.
BA 33.0005−EN
2.0
l
43
8
Maintenance/repair
Important notes
8
Maintenance/repair
8.1
Important notes
{
Danger!
Hazardous voltage on the power connections even when disconnected from
mains: residual voltage >60 V!
Before working on the power connections, always disconnect the drive
component from the mains and wait until the motor is at standstill.
Verify safe isolation from supply!
Shaft sealing rings and roller bearings have a limited service life.
Regrease bearings with relubricating devices while the lowvoltage machine is running.
Only use the grease recommended by the manufacturer.
If the grease drain holes are sealed with a plug, (IP54 drive end; IP23 drive and nondrive
end), remove plug before commissioning. Seal bore holes with grease.
8.2
Maintenance intervals
Inspections
ƒ
8.2.1
44
If the machine is exposed to dirt, clean the air channels regularly.
Motor
ƒ
Only the bearings and shaft sealing rings become worn.
– Check bearings for noise (after approx. 15,000 h at the latest).
ƒ
In order to prevent overheating, remove dirt deposits on the drives regularly.
ƒ
We recommend carrying out an inspection after the first 50 operating hours. In this
way, you can detect and correct any irregularities or faults at an early stage.
l
BA 33.0005−EN 2.0
Maintenance/repair
8
Maintenance intervals
Spring−operated brakes
8.2.2
Spring−operated brakes
To ensure safe and trouble−free operation, spring−applied brakes must be checked and
maintained at regular intervals. Servicing can be made easier if good accessibility of the
brakes is provided in the plant. This must be considered when installing the drives in the
plant.
Primarily, the necessary maintenance intervals for industrial brakes result from the load
during operation. When calculating the maintenance interval, all causes for wear must be
taken into account, ((¶ 47). For brakes with low loads such as holding brakes with
emergency stop, we recommend a regular inspection at a fixed time interval. To reduce the
cost, the inspection can be carried out along with other regular maintenance work in the
plant if necessary.
(
Stop!
Stable properties of the organic friction lining are only achieved in the case of
continuous use. The readiness for operation of the brake has to be ensured
with a braking energy that is equivalent to one emergency stop per week.
Unplanned emergency stops occurring at a sufficient frequency have the same
effect.
If the brakes are not maintained, failures, production losses or damage to the system may
occur. Therefore, a maintenance concept adapted to the particular operating conditions
and brake loads must be defined for every application. For the spring−applied brakes, the
maintenance intervals and maintenance operations listed in the below table must be
provided. The maintenance operations must be carried out as described in the detailed
descriptions.
Versions
Service brakes
Holding brakes with emergency
stop
INTORQ BFK458−LL E / N
l
l
l
according to service life
calculation
l otherwise every six months
l after 4,000 operating hours at
the latest
l
l
INTORQ BFK458−LL L
BA 33.0005−EN
2.0
at least every two years
after 1 million cycles at the
latest
l provide shorter intervals in the
case of frequent emergency
stops
at least every two years
after 10 million cycles at the
latest
l provide shorter intervals in the
case of frequent emergency
stops
l
45
8
Maintenance/repair
Maintenance operations
Motor
8.3
Maintenance operations
8.3.1
Motor
(
Stop!
ƒ Make sure that no foreign bodies can enter the inside of the motor!
ƒ Only work on the drive system when it is in a deenergised state!
ƒ Do not remove plugs when voltage is being applied!
ƒ Hot motor surfaces up to 140 °C. Observe cooling times!
ƒ Remove loads acting on motors or secure loads acting on the drive!
8.3.2
Spring−operated brakes
The brake is mounted to the N−end shield of the motor. Remove the fan cover or blower
unit to check, maintain, or set the brake.
)
Note!
Brakes with defective armature plates, cheese head screws, springs or counter
friction faces must always be replaced completely.
Generally observe the following for inspections and maintenance works:
ƒ Remove oil and grease linked impurities using brake cleaning agents, if
necessary, replace brake after identifying the cause of the contamination.
Dirt deposits in the air gap between stator and armature plate impair the
function of the brake and must be removed.
ƒ After replacing the rotor, the original braking torque will not be reached
until the run−in operation of the friction surfaces has been completed. After
replacing the rotor, run−in armature plates and counter friction faces have
an increased initial rate of wear.
46
l
BA 33.0005−EN 2.0
Maintenance/repair
8
Maintenance operations
Spring−operated brakes
Wear on spring−applied brakes
The used spring−applied brakes have a low rate of wear and are designed for long
maintenance intervals.
However, the friction lining, the teeth between the brake rotor and the hub, and also the
braking mechanism are naturally subject to function−related wear which depends on the
application case (see table). In order to ensure safe and problem−free operation, the brake
must therefore be checked and maintained regularly and, if necessary, replaced (see brake
maintenance and inspection).
The following table describes the different causes of wear and their effect on the
components of the spring−applied brake. In order to calculate the useful life of the rotor
and brake and determine the maintenance intervals to be prescribed, the relevant
influencing factors must be quantified. The most important factors are the applied friction
energy, the starting speed of braking and the switching frequency. If several of the
indicated causes of wear on the friction lining occur in an application, their effects are to
be added together.
Component
Effect
Influencing factors
Cause
Friction lining
Wear on the friction lining
Applied friction energy
Braking during operation
(impermissible, holding
brakes!)
Emergency stops
Overlapping wear when the
drive starts and stops
Active braking by the drive
motor with the help of the
brake (quick stop)
2.0
Starting wear if motor is
mounted in a position with
the shaft vertical, even if the
brake is open
Friction between the brake
lining and the armature
plate or flange e.g. during
emergency braking or
service brake operation
Armature plate and
flange
Running−in of armature
plate and flange
Applied friction energy
Teeth of the brake
rotor
Teeth wear (primarily at the
rotor end)
Number of start−stop cycles, Relative movement and
Level of the braking torque, impacts between brake
Dynamics of the application, rotor and brake hub
Speed fins in operation
Armature plate
bracket
Armature plate, cap screws
and bolts are deflected
Number of start−stop cycles, Load changes and impacts
due to reversal error during
Level of braking torque
interaction between
armature plate, cap screws
and guide bolts
Springs
Fatigue failure of the springs Number of switching
operations of the brake
Tab. 1
BA 33.0005−EN
Number of start−stop cycles
Axial load cycle and shearing
stress on the springs due to
radial reversing error of the
armature plate
Causes for wear
l
47
8
Maintenance/repair
Maintenance operations
Checking the component parts
8.3.3
Checking the component parts
Check function of ventilation and control
Measure the air gap (adjust if necessary)
Measure the rotor thickness (replace rotor if necessary)
Thermal damage to armature plate or flange (dark blue
tarnishing)
^ 49
^ 49
^ 48
Check clearance of the rotor gearing (replace worn−out
rotors)
l Wear of the torque bearing on threaded sleeves, dowel
pins and armature plate
l Checking springs for damage
l Checking armature plate and flange/endshield
– Evenness size 06...12 < 0,06 mm
– Evenness from size 14 on < 0,1 mm
– max. run−in depth = rated air gap of brake size
^ 50
With assembled brake
l
l
l
l
After removing the brake
l
Check the mounting dimension of the manual release
(
Stop!
Dimension "s" must be maintained! Check air gap "sLü"!
(, Operating Instructions INTORQ BFK458)
Size
sLü (mm)
s +0.1 (mm)
s + sLü (mm)
0.2
1
1.2
0.3
1.5
1.8
0.4
2
2.4
0.5
2.5
3
06
08
10
12
14
16
18
20
25
8.3.4
Checking the rotor thickness
}
Danger!
When the rotor thickness is checked, the motor must not run.
1. Remove fan cover and cover ring if attached.
2. Measure rotor thickness with calliper gauge. If a friction plate is attached, ensure a
flanged edge at the outer diameter of the friction plate.
3. Compare measured rotor thickness with minimally permissible rotor thickness
(values ^ 51).
4. If required, exchange the entire rotor. Description ^ 50.
48
l
BA 33.0005−EN 2.0
Maintenance/repair
8
Maintenance operations
Check air gap
8.3.5
Check air gap
1. Check the air gap "sLü" near the fixing screws between armature plate and stator
using a feeler gauge (^ 51).
2. Compare the measured air gap with the maximum permissible air gap "sLümax."
(^ 51).
3. If necessary, adjust the air gap to "sLürated" (^ 49).
8.3.6
Release / voltage
}
Danger!
The rotating rotor must not be touched.
{
Danger!
Live connections must not be touched.
1. Observe the brake’s function while the drive is being operated. The armature plate
must be tightened and the rotor must move free of residual torque.
2. Measure the DC voltage on the brake.
– The DC voltage measured after the overexcitation time (, operating instructions
BFK 458, bridge half−wave rectifier) must equal the voltage for the holding. A
deviation of up to ±10 % is permissible.
8.3.7
Readjustment of air gap
}
Danger!
The brake must be free of residual torque.
(
Stop!
Observe for the flange version when it is fixed with additional screws:
Behind the threaded holes for the screws in the flange there must be clearing
holes in the endshield. Without clearing holes the minimum rotor thickness
cannot be used. Under no circumstances may the screws be pressed against
the endshield.
1. Unbolt screws (Fig. 5).
2. Screw the threaded sleeves into the stator by using a spanner. 1/6 revolution reduces
the air gap by approx. 0.15 mm.
3. Tighten screws, for torques (¶ 51).
4. Check the air gap "sLü" near the screws using a feeler gauge, "sLürated" (¶ 51).
5. If the difference between the measured air gap and "sLürated" is too large, repeat the
readjustment.
BA 33.0005−EN
2.0
l
49
8
Maintenance/repair
Maintenance operations
Rotor replacement
8.3.8
Rotor replacement
}
Danger!
The brake must be free of residual torque.
1. Loosen the connecting cable.
2. Evenly release the screws and remove them completely.
3. Completely remove the stator from the end shield. Observe the connecting cables.
4. Completely remove the rotor from the hub.
5. Check the toothed part of the hub.
6. In case of wear, replace the hub, too.
7. Check the friction surface of the end shield. If the flange / friction plate is severely
gouged, it must be replaced. If the end shield is severely gouged, the friction surface
must be reprocessed.
8. Measure the rotor thickness (new rotor) and the height of head of the sleeve bolts
using a caliper gauge.
9. The distance between the stator and the armature plate is calculated as follows:
Distance = rotor thickness + sLürated − height of head
"sLürated", (¶ 51)
10. Evenly remove the sleeve bolts until the calculated distance is reached between the
stator and the armature plate.
11. Completely mount the new rotor and set the stator, (¶ 51).
12. Connect the connecting cable again.
50
l
BA 33.0005−EN 2.0
Maintenance/repair
8
Installation of a spring−applied brake
Brake characteristics
8.4
Installation of a spring−applied brake
8.4.1
Brake characteristics
Type
sLürated
+0.1 mm
−0.05 mm
sLümax.
Service brake
sLümax.
Holding
brake
Max. adjustment,
permissible wear
path
[ mm ]
[ mm ]
[ mm ]
[ mm ]
Rotor thickness
Tightening
torque of the
fixing screws
min. 1) [mm]
max. [mm]
[Nm]
BFK458−06
4.5
6.0
3.0
BFK458−08
5.5
7.0
5.9
0.2
0.5
0.3
1.5
BFK458−10
BFK458−12
BFK458−14
7.5
9.0
10.1
2.0
8.0
10.0
10.1
2.5
7.5
10.0
24.6
BFK458−16
3.5
8.0
11.5
24.6
BFK458−18
3.0
10.0
13.0
24.6
4.0
12.0
16.0
48.0
4.5
15.5
20.0
48.0
0.3
BFK458−20
BFK458−25
8.4.2
0.45
0.4
1.0
0.6
0.5
1.25
0.75
Tab. 2
1)
0.75
Characteristics of the INTORQ BFK458 spring−applied brake
The dimension of the friction lining allows for adjustment of the brake for at least five times.
Installation of the brake
(
Stop!
ƒ Check the state of the end shield (15). It must be free from oil and grease.
15
4
3
K14.0502/8
Fig. 3
Assembly of the rotor
3
Rotor
4
Hub
15
Endshield
1. Push the rotor (3) onto the hub (4) and check whether it can be moved by hand
(Fig. 3).
(
Stop!
Please note the following for the version "brake with shaft seal in adjuster
nut":
BA 33.0005−EN
2.0
l
51
8
Maintenance/repair
Installation of a spring−applied brake
Installation of the brake
2. Lightly lubricate the lip of the shaft seal with grease.
3. When assembling the stator (7) push the shaft seal carefully over the shaft.
– The shaft should be located concentrically to the shaft seal.
4. Use the screws (10) to mount the stator (7) completely to the end shield (15).
– Tighten the screws evenly, tightening torque (¶ 51).
9

7
10
KL458−012−a
Fig. 4
Torque adjustment
7 Stator
10 Allen screw
9
Threaded sleeve
¬ sLürated
1. Check the air gap "sLü" near the screws (10) using a feeler gauge and compare the
values to the values for "sLürated" in the table (^ 51).
)
Note!
Do not insert feeler gauge more than 10 mm between armature plate (2) and
stator (1.1)!
If "sLü" (^ 51) is not within the tolerance, readjust the air gap.
52
l
BA 33.0005−EN 2.0
Maintenance/repair
8
Installation of a spring−applied brake
Readjustment of air gap
8.4.3
Readjustment of air gap
}
Danger!
Disconnect voltage. The brake must be free of residual torque.
−
9
7
10
+
KL458−013−a
Fig. 5
Air gap adjustment
7
9
Stator
Threaded sleeve
10 Allen screw
If "sLürated" is not within the tolerance, readjust the air gap (¶ 49).
8.4.4
Assembly of the friction plate, sizes 06 to 16
15
12
KL458−009−a
Fig. 6
Mounting the friction plate
12 Friction plate
15 End shield
1. Put a friction plate (27) or flange (6) against the end shield (15).
)
Note!
The flanged edge of the friction plate must remain visible!
2. Align pitch circle and fastening bore hole thread.
BA 33.0005−EN
2.0
l
53
8
Maintenance/repair
Installation of a spring−applied brake
Assembly of the flange
8.4.5
Assembly of the flange
15
6.1
6
KL458−008−a
Fig. 7
Mounting the flange
6
6.1
Flange
Set of fastening screws
15
End shield
1. Hold the flange (6) against the end shield (15) and check the pitch circle and
retaining screw drill hole threading.
2. Fasten the flange (6) with the screws (6.1) to the end shield (15).
3. Tighten the screws (6.1) evenly, for the correct tightening torques, (¶ 51).
4. Check screw head height. The height must not exceed the minimal rotor thickness.
We recommend using DIN 6912 screws, (¶ 51).
Mounting the flange without additional screws
1. Apply the flange (6) to the end shield (15). Check pitch circle and thread of the
screw−on bore holes.
2. Mount the brake.
54
l
BA 33.0005−EN 2.0
Maintenance/repair
8
Repair
Assembly of the cover seal
8.4.6
Assembly of the cover seal
7
15
1
7
1
13 12
13
6 10
15
12
10
13
KL458−010−a
Fig. 8
KL458−007−a
Assembly of the cover seal
1
6
7
Armature plate
Flange
Stator
10
12
13
Allen screw
Friction plate
Cover seal
15
Endshield
1. Insert the cable through the cover ring.
2. Push the cover ring over the stator.
3. Press the lips of the cover ring into the groove of rotor and flange.
– If a friction plate is used, the lip must be pulled over the flanged edge.
8.5
BA 33.0005−EN
Repair
ƒ
It is recommended to have all repairs performed by Lenze Service.
ƒ
Delivery of spare parts is available upon request.
2.0
l
55
8
Maintenance/repair
Disposal
8.6
Disposal
Protect the environment! Packing material can be recycled. Dispose of your separated
resources according to the waste disposal regulations or via a waste management
company.
The following table provides recommendations for an environmentally friendly disposal
of the machine and its components.
What?
Transport
material
56
Where?
Pallets
Return to the manufacturer or
forwarder
Packaging material
Cardboard box to waste paper
Plastics to plastics recycling or
residual waste
Reuse or dispose of wood wool
Lubricants
Oil, grease
Detergents and solvents
Paint residues
Dispose according to current
regulations
Components
Housing:
Separate valuable substances and
dispose
Cast iron, aluminium,
copper
Bearings, gear wheel shafts: Steel
Hazardous waste
Seals, electronic scrap
l
BA 33.0005−EN 2.0
Troubleshooting and fault elimination
9
9
Troubleshooting and fault elimination
If faults occur during operation of the drive system:
ƒ
First check the possible causes of malfunction according to the following table.
)
Note!
Also observe the corresponding chapters in the operating instructions for the
other components of the drive system.
If the fault cannot be remedied using one of the listed measures, please contact the Lenze
Service.
}
Danger!
ƒ Only work on the drive system when it is in a deenergised state!
ƒ Hot motor surfaces of up to 140 °C. Observe cooling times!
ƒ Remove loads acting on motors or secure loads acting on the drive!
Fault
Motor too hot
Cause
Insufficient cooling air, blocked air
ducts.
Remedy
Ensure unimpeded circulation of cooling air
Can only be evaluated by
measuring the surface
temperature:
l Non−ventilated motors
> 140 °C
l Externally ventilated or
self−ventilated motors
> 110 °C
Preheated cooling air
Overload, with normal mains
voltage the current is too high and
the speed too low
Ensure a sufficient supply of fresh cooling air
Use larger drive (determined by power measurement)
Rated operating mode exceeded (S1
to S8 IEC/EN 60034−1)
Adjust rated operating mode to the specified operating
conditions. Determination of correct drive by expert or Lenze
customer service
Motor does not start
Motor suddenly stops and
does not start again
BA 33.0005−EN
2.0
Loose contact in supply cable
Tighten loose contact
(temporary single−phase operation!)
Fuse has blown (single−phasing!)
Replace fuse
Overloading of the drive
l Check load and, if necessary, reduce by means of longer
ramp−up times
l Check winding temperature
Heat dissipation impeded by
Clean surface and cooling ribs of the drives
deposits
Voltage supply interrupted
l Check error message on the drive controller
l Check electrical connection ^ 32
Controller inhibited
l Check display at drive controller
l Check controller enable
Fuse has blown
Replace fuse
Encoder cable broken
l Check error message at drive controller
l Check encoder cable
Brake does not release
Check electrical connection, ^ 32
Check air gap, ^ 52
Check continuity of magnetic coil
Drive is blocked
Check components for easy movement, remove foreign
particles if necessary
Motor cable polarity is reversed
Check electrical connection, ^ 32
Overload monitoring of the inverter l Check settings on controller
responds
l Reduce load by means of longer acceleration times
l
57
9
Troubleshooting and fault elimination
Fault
Incorrect direction of
rotation of the motor,
correct display on the
controller
Motor rotates normally
but does not generates the
expected torque
Motor rotates in one
direction at maximum
speed in an uncontrolled
manner
Motor rotates slowly in
one direction and cannot
be influenced by the drive
controller
Unsteady running
Vibrations
Running noises
Surface
temperature > 140°C
Cause
Motor cable polarity is reversed
Encoder cable polarity is reversed
Motor cable interchanged cyclically
Connect the phases at the motor cable connection correctly
Motor cable interchanged cyclically
Check motor connection and, if necessary, correct it
Polarity of encoder cable reversed
Check encoder connection and, if necessary, correct it
Polarity of motor cable and encoder
cable reversed
Check the polarity and correct it
Shielding of motor cable or resolve
cable inadequate
Gain of the drive controller too high
Check shielding and earth connection
Insufficiently balancing of coupling
elements or machine
Inadequate alignment of drive train
Loose fixing screws
Foreign particles inside the motor
Bearing damage
Overload of the drive
Heat dissipation impeded by dirt
deposits
58
Remedy
Check and correct polarity
Adapt gain of the controller (see operating instructions for
drive controller)
Rebalance
Realign machine, if necessary, check foundation
Check screwed connections and tighten them if necessary
Repair by manufacturer if necessary
l
Check overload and reduce through longer acceleration
times, if necessary
l Check winding temperature
Clean surface and cooling ribs of the drives
l
BA 33.0005−EN 2.0
Notes
BA 33.0005−EN
2.0
l
!
59
Q
© 03/2012
F
Lenze Drives GmbH
Postfach 10 13 52
D−31763 Hameln
Germany
Service
Lenze Service GmbH
Breslauer Straße 3
D−32699 Extertal
Germany
(
Ê
š
ü
+49(0)5154/ 82−0
(
Ê
š
008000/ 2446877 (24 h helpline)
+49(0)5154/ 82−28 00
Lenze@Lenze.de
+49(0)5154/ 82−13 96
Service@Lenze.de
www.Lenze.com
BA 33.0005−EN § .J), § § 2.0 § TD09
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