SEW-Eurodrive CM3C Series User manual

*25963872_0420*
Drive Technology \ Drive Automation \ System Integration \ Services
Operating Instructions
Synchronous Servomotors (medium inertia)
CM3C63 – 100
Edition 04/2020 25963872/EN

SEW-EURODRIVE—Driving the world

Table of contents
Operating Instructions – CM3C63 – 100 3
Table of contents
1 General information.................................................................................................................. 5
1.1 About this documentation ...............................................................................................5
1.2 Other applicable documentation .....................................................................................5
1.3 Structure of the safety notes ...........................................................................................5
1.4 Decimal separator in numerical values ...........................................................................6
1.5 Rights to claim under limited warranty ............................................................................7
1.6 Product names and trademarks......................................................................................7
1.7 Copyright notice ..............................................................................................................7
2 Safety notes .............................................................................................................................. 8
2.1 Preliminary information ...................................................................................................8
2.2 Duties of the user............................................................................................................8
2.3 Target group ...................................................................................................................9
2.4 Designated use ...............................................................................................................9
2.5 Magnetic fields ................................................................................................................9
2.6 Transportation/storage..................................................................................................10
2.7 Installation/assembly.....................................................................................................10
2.8 Electric work..................................................................................................................11
2.9 Warning notes on the motor..........................................................................................12
2.10 Startup/operation ..........................................................................................................12
2.11 Inspection/maintenance ................................................................................................13
3 Motor structure ....................................................................................................................... 14
3.1 Basic structure ..............................................................................................................14
3.2 Nameplate and type designation ..................................................................................15
3.3 Designs and options .....................................................................................................18
3.4 Functional safety...........................................................................................................20
4 Mechanical installation .......................................................................................................... 21
4.1 Before you start.............................................................................................................21
4.2 Motor installation notes .................................................................................................21
4.3 Installation tolerances ...................................................................................................23
4.4 Screw sizes and tightening torques for flange mounting ..............................................23
5 Electrical installation.............................................................................................................. 24
5.1 General information ......................................................................................................24
5.2 Additional regulations....................................................................................................26
5.3 Wiring notes ..................................................................................................................26
5.4 Brake controls with functional control input...................................................................27
5.5 Connecting the motor and the encoder system via plug connector SM./ SB................28
5.6 Connecting the motor and encoder system via KK terminal box ..................................47
5.7 Prefabricated cables .....................................................................................................59
5.8 Options..........................................................................................................................63
6 Startup ..................................................................................................................................... 65
6.1 General information ......................................................................................................65
6.2 Before startup ...............................................................................................................67
6.3 Startup after storage .....................................................................................................67
25963872/EN – 04/2020

Table of contents
Operating Instructions – CM3C63 – 100
4
7 Inspection/maintenance......................................................................................................... 69
7.1 General information ......................................................................................................69
7.2 Maintenance intervals ...................................................................................................70
7.3 Notes on the BK.. brake................................................................................................71
7.4 Notes on the BZ.. brake ................................................................................................71
7.5 Cleaning........................................................................................................................75
7.6 Connection cable ..........................................................................................................75
8 Technical data......................................................................................................................... 76
8.1 Boundary conditions .....................................................................................................76
8.2 Technical data of the BK.. brakes .................................................................................76
8.3 Technical data of the BZ.. brakes .................................................................................77
8.4 Characteristic safety values of BK.. brakes ..................................................................81
8.5 Characteristic safety values of BZ.. brakes...................................................................81
9 Malfunctions............................................................................................................................ 82
9.1 General information ......................................................................................................82
9.2 Servomotor malfunctions ..............................................................................................82
9.3 Brake malfunctions .......................................................................................................83
9.4 Encoder malfunctions ...................................................................................................84
9.5 SEW-EURODRIVE service...........................................................................................85
10 Waste disposal........................................................................................................................ 86
Index ........................................................................................................................................ 87
25963872/EN – 04/2020

1
General information
About this documentation
Operating Instructions – CM3C63 – 100 5
1 General information
1.1 About this documentation
The documentation at hand is the original.
This documentation is an integral part of the product. The documentation is intended
for all employees who perform work on the product.
Make sure this documentation is accessible and legible. Ensure that persons respon-
sible for the systems and their operation as well as persons who work on the product
independently have read through the documentation carefully and understood it. If you
are unclear about any of the information in this documentation or if you require further
information, contact SEW‑EURODRIVE.
1.2 Other applicable documentation
Observe the corresponding documentation for all further components.
1.2.1 Additional information
This documentation contains additional information on the product or optional compo-
nents:
• Wiring diagrams provided with the motor
• Addendum to the operating instructions "Safety Encoder and Safety Brake"
1.3 Structure of the safety notes
1.3.1 Meaning of signal words
The following table shows the grading and meaning of the signal words for safety
notes.
Signal word Meaning Consequences if disregarded
DANGER Imminent hazard Severe or fatal injuries
WARNING Possible dangerous situation Severe or fatal injuries
CAUTION Possible dangerous situation Minor injuries
NOTICE Possible damage to property Damage to the product or its envi-
ronment
INFORMATION Useful information or tip: Simplifies
handling of the product.
1.3.2 Structure of section-related safety notes
Section-related safety notes do not apply to a specific action but to several actions
pertaining to one subject. The hazard symbols used either indicate a general hazard
or a specific hazard.
25963872/EN – 04/2020

1General information
Decimal separator in numerical values
Operating Instructions – CM3C63 – 100
6
This is the formal structure of a safety note for a specific section:
SIGNAL WORD
Type and source of hazard.
Possible consequence(s) if disregarded.
• Measure(s) to prevent the hazard.
Meaning of the hazard symbols
The hazard symbols in the safety notes have the following meaning:
Hazard symbol Meaning
General hazard
Warning of dangerous electrical voltage
No access for persons with pacemakers or implanted defibril-
lators.
Warning of hot surfaces
Warning of risk of crushing
Warning of automatic restart
1.3.3 Structure of embedded safety notes
Embedded safety notes are directly integrated into the instructions just before the de-
scription of the dangerous action.
This is the formal structure of an embedded safety note:
SIGNAL WORD! Type and source of hazard. Possible consequence(s) if disregar-
ded. Measure(s) to prevent the hazard.
1.4 Decimal separator in numerical values
In this document, a period is used to indicate the decimal separator.
Example: 30.5kg
25963872/EN – 04/2020

1
General information
Rights to claim under limited warranty
Operating Instructions – CM3C63 – 100 7
1.5 Rights to claim under limited warranty
Read the information in this documentation. This is essential for fault-free operation
and fulfillment of any rights to claim under limited warranty. Read the documentation
before you start working with the product.
1.6 Product names and trademarks
The brands and product names in this documentation are trademarks or registered
trademarks of their respective titleholders.
1.7 Copyright notice
©2020SEW‑EURODRIVE. All rights reserved. Unauthorized reproduction, modifica-
tion, distribution or any other use of the whole or any part of this documentation is
strictly prohibited.
25963872/EN – 04/2020

2Safety notes
Preliminary information
Operating Instructions – CM3C63 – 100
8
2 Safety notes
2.1 Preliminary information
The following general safety notes serve the purpose of preventing injury to persons
and damage to property. They primarily apply to the use of products described in this
documentation. If you use additional components, also observe the relevant warning
and safety notes.
2.2 Duties of the user
As the user, you must ensure that the basic safety notes are observed and complied
with. Make sure that persons responsible for the machinery and its operation as well
as persons who work on the device independently have read through the documenta-
tion carefully and understood it.
As the user, you must ensure that all of the work listed in the following is carried out
only by qualified specialists:
• Setup and installation
• Installation and connection
• Startup
• Maintenance and repairs
• Shutdown
• Disassembly
Ensure that the persons who work on the product pay attention to the following regula-
tions, conditions, documentation, and information:
• National and regional safety and accident prevention regulations
• Warning and safety signs on the product
• All other relevant project planning documents, installation and startup instructions,
and wiring diagrams
• Do not assemble, install or operate damaged products
• All system-specific specifications and conditions
Ensure that systems in which the product is installed are equipped with additional
monitoring and protection devices. Observe the applicable safety regulations and leg-
islation governing technical work equipment and accident prevention regulations.
25963872/EN – 04/2020

2
Safety notes
Target group
Operating Instructions – CM3C63 – 100 9
2.3 Target group
Specialist for me-
chanical work
Any mechanical work may be performed only by adequately qualified specialists. Spe-
cialists in the context of this documentation are persons who are familiar with the
design, mechanical installation, troubleshooting, and maintenance of the product who
possess the following qualifications:
• Qualifications in the field of mechanics in accordance with the national regulations
• Familiarity with this documentation
Specialist for elec-
trotechnical work
Any electrotechnical work may be performed only by electrically skilled persons with a
suitable education. Electrically skilled persons in the context of this documentation are
persons who are familiar with electrical installation, startup, troubleshooting, and main-
tenance of the product who possess the following qualifications:
• Qualifications in the in the field of electrical engineering in accordance with the na-
tional regulations
• Familiarity with this documentation
Additional qualific-
ations
In addition to that, these persons must be familiar with the valid safety regulations and
laws, as well as with the requirements of the standards, directives, and laws specified
in this documentation.
The persons must have the express authorization of the company to operate, pro-
gram, parameterize, label, and ground devices, systems, and circuits in accordance
with the standards of safety technology.
Instructed persons All work in the areas of transportation, storage, operation and waste disposal must be
carried out by persons who are trained appropriately. The purpose of the training is to
give persons the ability to perform the required tasks and work steps in a safe and cor-
rect manner.
2.4 Designated use
The product is intended for use in industrial and commercial systems.
In the case of installation in electrical systems or machines, it is prohibited to start the
proper operation of the product until it is determined that the machine meets the re-
quirements stipulated in the local laws and directives.
The standards given in the declaration of conformity apply to the product.
2.5 Magnetic fields
The rotor of the motor is equipped with permanent magnets. The magnets emit strong
magnetic fields, even when no current is supplied. If permanent magnets are exposed,
e.g. in case of removed rotor, health hazards may arise. This especially applies to per-
sons with active medical implants.
Further, exposed permanent magnets cause strong forces of attraction with magnetiz-
able materials, such as other motor components or tools. The attraction of other ob-
jects can cause severe injuries by crushing.
During operation, additional electromagnetic fields are generated.
Observe DGUV (German Social Accident Insurance) regulation15–"Electromagnetic
fields" for use in industrial workplaces. In other countries, the corresponding national
and local regulations and provisions must be complied with.
25963872/EN – 04/2020

2Safety notes
Transportation/storage
Operating Instructions – CM3C63 – 100
10
2.6 Transportation/storage
Observe the following notes when transporting the device:
• Inspect the shipment for damage as soon as you receive the delivery. Inform the
shipping company immediately about any damage. If the product is damaged, it
must not be assembled, installed or started up.
• Note that retaining straps attached to the products might be under tension. To
avoid cutting injuries, remove the retaining straps carefully from the product and
wear suitable protective clothing, if necessary.
• The open keyway has sharp edges. Insert the key in the keyway and pull a pro-
tective tubing over the shaft.
• If the product weights more than 40 kg, use suitable lifting equipment such as
belts.
• Always use lifting eyebolts and lifting eyes if available.
• Tighten lifting eyebolts.
• The lifting eyes/bores are designed to carry only the weight of the product without
mount-on components. Mount-on units have separate suspension attachments, if
necessary. Additionally use these attachments as described in the relevant operat-
ing instructions. Do not mount any additional loads.
• Adhere to DIN580 for using lifting devices. The tension force vector of the slings
must not exceed a 45° angle.
• Note the hazard from suspended loads. Do not stand under suspended loads. Se-
cure the area where suspended loads can fall down. Secure loads using suitable
holding fixtures (e.g. belts) before lifting them.
• If necessary, use suitable, sufficiently dimensioned handling equipment.
• Store the product in a dry, dust-free room if you do not install it right away.
• If you store the product for a longer time (independent of packaging and ambient
conditions), observe the chapter "Startup after storage"(→267).
• Ensure that the product is not subject to mechanical impact.
• Do not transport or store the product on the fan guard.
2.7 Installation/assembly
• Ensure that the product is installed and cooled according to the regulations in the
documentation.
• Protect the product from strong mechanical strain.
• The product and its mounting parts must never protrude into the path of persons or
vehicles.
• Ensure that components are not deformed and insulation spaces are not changed,
particularly during transportation and handling.
• Electric components must not be mechanically damaged or destroyed.
• If you remove mechanical strained or heavy components, secure the construction
to prevent injuries.
25963872/EN – 04/2020

2
Safety notes
Electric work
Operating Instructions – CM3C63 – 100 11
2.7.1 Restrictions of use
The following applications are prohibited unless the device is explicitly designed for
such use:
• Use in potentially explosive atmospheres
• Use in areas exposed to harmful oils, acids, gases, vapors, dust, and radiation
2.8 Electric work
2.8.1 Carrying out electric work safely
Observe the following information to carry out electrical work safely during installation
and maintenance:
• Electrical work may only be carried out by electrically skilled persons.
• Always adhere to the 5 safety rules for working on electrical components:
– Disconnect
– Secure the drive against restart
– Check that no voltage is applied
– Ground and short-circuit it
– Cover or safeguard neighboring live parts
• When the device is switched on, dangerous voltages are present on all power con-
nections as well as on any connected cables and terminals. This is also the case
even if the motor is at standstill.
• Ensure that the connection boxes are closed and screwed down before applying
the supply voltage.
• Ensure that all required covers are mounted before applying the supply voltage.
2.8.2 Regenerative operation of drives
Moving the output element (e.g. coasting) generates a voltage at the live components
of the motor connection. Observe the following information to avoid electric shock:
• Do not touch open live components (e.g. male contacts of the plug connector, ter-
minals).
• Secure all open live components with a touch guard.
• Secure the output shaft against rotation when working without touch guard.
2.8.3 Disconnecting and connecting plug-in connections while voltage is applied
An electric arc may occur when plug-in connections are disconnected or connected
while voltage is applied (e.g. connection between drive and control). Observe the fol-
lowing to avoid risk of injury, risk of electric shock and damage to property:
• Ensure that the product is de-energized before disconnecting and connecting the
plug-in connections.
25963872/EN – 04/2020

2Safety notes
Warning notes on the motor
Operating Instructions – CM3C63 – 100
12
2.8.4 Electrical connection
The connection must be a permanently secure electrical connection (no protruding
wire ends). Use the corresponding cable end equipment. Establish a safe PE connec-
tion. When the motor is connected, the distances to non-insulated and live parts must
not be shorter than the minimum values according to IEC60664 and national regula-
tions. With low voltage, the distances should be no shorter than the following values,
in compliance with IEC60664:
Nominal voltage VNDistance
≤ 500V 3mm
≤ 690V 5.5mm
The terminal box must be free from foreign objects, dirt and humidity. Unused cable
entry openings and the connection box itself must be sealed so that they are dust- and
water-proof.
2.9 Warning notes on the motor
Observe the warning safety notes specified on the motor. The following safety notes
can be found on the motor:
Safety note Meaning
Do not unplug the plug connector while it is energized.
–
17123852
–
–
For motors with BK.. brake:
Adhere to the specified polarity of the power supply of the
BK.. brake. Check the polarity when replacing the brake.
Warning of hot surfaces.
The attached safety notes can become dirty or illegible over time. Always make sure
that safety and operating notes are legible. Replace damaged labels.
2.10 Startup/operation
Make sure the connection boxes are closed and screwed before connecting the sup-
ply voltage.
Depending on the degree of protection, products may have live, uninsulated, and
sometimes moving or rotating parts, as well as hot surfaces during operation.
When the device is switched on, dangerous voltages are present on all power connec-
tions as well as on any connected cables and terminals. This can also be the case if
the motor is at standstill.
25963872/EN – 04/2020

2
Safety notes
Inspection/maintenance
Operating Instructions – CM3C63 – 100 13
Risk of burns due to arcing: Do not disconnect power connections during operation.
Do not connect power connections during operation.
Mechanical blocking or internal protective functions of the product can cause a motor
standstill. Eliminating the cause of the problem or performing a reset may result in the
drive restarting automatically. If, for safety reasons, this is not permitted for the drive-
controlled machine, first disconnect the product from the supply system and then start
troubleshooting.
Risk of burns: The surface temperature of the product can exceed 60°C during opera-
tion. Do not touch the product during operation. Let the product cool down before
touching it.
2.11 Inspection/maintenance
Use only genuine spare parts in accordance with the valid spare parts list.
25963872/EN – 04/2020

3Motor structure
Basic structure
Operating Instructions – CM3C63 – 100
14
3 Motor structure
3.1 Basic structure
The following figures are schematic representations. Motor size and design may
cause deviations.
3.1.1 Structure of the CM3C.. motor without brake
INFORMATION
The following figures are merely examples. The actual gear units may deviate from
the figures depending on the design and size.
The following figure shows an overview of the motor components:
[1]
[4]
[3]
[2]
[6]
[5]
28956583947
[1] Output shaft with key [4] Housing
[2] Flange [5] Power plug connector
[3] Lifting eyebolt [6] Signal plug connector
25963872/EN – 04/2020

3
Motor structure
Nameplate and type designation
Operating Instructions – CM3C63 – 100 15
3.2 Nameplate and type designation
3.2.1 CM3C.. motor nameplate
The following figure shows the 1st nameplate of a CM3C.. motor:
[1]
[7]
[6]
[5]
[4]
[3]
[2]
[1]
[7]
[8] [8]
[6]
[5]
[4]
[3]
[2]
9007229924815243
Line Information
[1] • Type designation
[2] • Serial number
[3] • Standstill torque
• Variable torque
• Rated speed
• Mounting position
[4] • Dynamic limit torque of the servomotor
• Maximum permitted speed
• Degree of protection according to IEC 60034-5
[5] • Standstill current
• No-load voltage at the open terminals of the motor at rated speed
• Mass
[6] • Maximum permitted current
• Ambient temperature
• Thermal class
[7] • System voltage, voltage of the supplying inverter
• Braking torque
• TENV (Totally Enclosed Non-Ventilated)
[8] • Brake voltage
25963872/EN – 04/2020

3Motor structure
Nameplate and type designation
Operating Instructions – CM3C63 – 100
16
The following figure shows the 2nd nameplate of a CM3C.. motor:
[1]
[2]
30670076683
Line Information
[1] • Type designation
[2] • Serial number
The following table lists all the markings that can be provided on a nameplate or at-
tached to the motor, and an explanation of what they mean.
CE mark to state compliance with European guidelines, such as the Low
Voltage Directive.
02
FS logo with 2-digit number for identification of installed functional safety
motor options
UR logo to confirm that UL (Underwriters Laboratory) is informed about the
registered components; register number by UL: E189357
CSA mark to confirm the market conformity of the Canadian Standard As-
sociation (CSA)
EAC mark (EurAsian Conformity)
Confirms compliance with the technical regulations of the economic and
customs union of Russia, Belarus, Kazakhstan, Armenia.
UA.TR mark to confirm compliance with the technical regulations of the
country Ukraine.
25963872/EN – 04/2020

3
Motor structure
Nameplate and type designation
Operating Instructions – CM3C63 – 100 17
Motors and accessories may fall within the scope of the country-specific
application of the WEEE Directive. Dispose of the product and of it's ac-
cessories according to the national regulations of your country.
Digital Services
Product label with QR code. The QR code can be scanned. You will be re-
directed to the digital services of SEW‑EURODRIVE. There, you have ac-
cess to product-specific data, documents and further services.
3.2.2 Serial number
The following table lists the structure of a serial number:
Example: 01. 7718569609. 0001.19
01. Sales organization
77185696 Order number (8 digits)
09. Order item (2 digits)
0001 Quantity (4 digits)
19 End digits of the year of manufacture (2 digits)
3.2.3 Type designation
This table shows an example type designation:
CM3C80L-60A-K/PK/RH1M/SMB
CM3C Product family
80L Size and length of the motor
60A Rated speed and system voltage
KShaft design
/PK Temperature sensor
/RH1M Encoder
/SMB Plug connector
25963872/EN – 04/2020

3Motor structure
Designs and options
Operating Instructions – CM3C63 – 100
18
3.3 Designs and options
3.3.1 Synchronous servomotors
Designation
CM3C.. CM3C.. series (medium inertia)
63, 71, 80, 100 Sizes
S, M, L Lengths
-20, -30, -45, -60 Rated speeds:
-20 = 2000 min-1
-30 = 3000 min-1
-45 = 4500 min-1
-60 = 6000 min-1
A A = 400V
-N, -K, -P, -E Shaft design:
-N = Shaft without key
-K = Shaft with key
-P= Shaft with pinion shaft end
-E = Shaft with push-in pinion
3.3.2 Mechanical attachments
Designation Option
/BK Permanent magnet brake
/BZ1), /BZ.D1)2) Spring-loaded brake with increased working capacity
/HR3) Manual brake release, re-engaging
1) Also available in design for functional safety.
2) BZ.D for direct DC voltage.
3) Available for /BZ and /BZ.D only.
3.3.3 Temperature sensor/temperature detection
Designation Option
/PK PT1000 temperature sensor
3.3.4 Encoders
Designation Option
/RH1M Resolver (standard)
/AK0H1) Absolute encoder, HIPERFACE® interface (multi-turn) and sin/
cos interface
/EK1H Single-turn HIPERFACE® encoder, cone shaft, high resolution
25963872/EN – 04/2020

3
Motor structure
Designs and options
Operating Instructions – CM3C63 – 100 19
Designation Option
/AK1H1) Absolute encoder, HIPERFACE® interface (multi-turn) and sin/
cos interface (high-resolution)
1) Also available in design for functional safety.
3.3.5 Connection options
Designation Option
/SM1 M23 motor plug connector, socket on motor side only, plug-
gable motor and encoder cables
/SMB M40 motor plug connector, socket on motor side only, plug-
gable motor and encoder cables
/SB1 M23 brakemotor plug connector, socket on motor side only,
pluggable motor and encoder cables
/SBB M40 brakemotor plug connector, socket on motor side only,
pluggable motor and encoder cables (standard)
/KK Terminal box for CM3C63 –100, pluggable motor and en-
coder cable
25963872/EN – 04/2020

3Motor structure
Functional safety
Operating Instructions – CM3C63 – 100
20
3.4 Functional safety
Motors from SEW‑EURODRIVE are optionally available with functionally safe motor
options. These are designed for implementing safety functions.
SEW‑EURODRIVE labels a functionally safe motor option at the drive with an FS logo
and a 2-digit number on the motor nameplate. The number is a code that indicates
which components in the drive are safety-related. This allows for unique identification
of an available functionally safe motor option via the motor nameplate.
FS logo Available functionally safe motor option
Decentralized in-
verters
Safety brake Safety encoder
01
X
02
X
04
X
07
X X
11
X X
If the FS logo, e.g. with the code "FS 11" is present on the motor nameplate, the com-
bination of safety encoder and safety brake is available at the motor. If an FS logo is
available, adhere to the information specified in the corresponding documentation.
If the drive bears the FS logo on the nameplate, adhere to the information in the fol-
lowing documentation:
• Addendum to the operating instructions "Safety Encoders and Safety Brakes –
CM3C.. Servomotor – Functional Safety" – Functional Safety"
In the addendum to the operating instructions "Safety Encoders and Safety Brakes –
CM3C.. Servomotor – Functional Safety" the characteristic safety values for determi-
ning the safety level of systems and machines are specified in chapter "Characteristic
safety values".
25963872/EN – 04/2020