Siemens SINAMICS G120 Parts list manual

Answers for industry.
SINAMICS
SINAMICS G120
Frequency inverter
with Control Units CU240E-2 CU240E-2 DP
CU240E-2 F CU240E-2 DP-F
Function Manual Safety Integrated · 07/2010

Safety Integrated Function Manual,
SINAMICS G120
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SINAMICS
SINAMICS G120
Safety Integrated Function Manual,
SINAMICS G120
Function Manual
07/2010 Edition, Firmware V4.3.2
07/2010, FW 4.3.2
A5E03052391B AA
Introduction 1
Description
2
Activation
3
Commissioning
4
Servicing and maintenance
5
Alarms, faults and system
messages
6
System properties
7
Appendix
A

Legal information
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
with a safety alert symbol, indicates that minor personal injury can result if proper precautions are not taken.
CAUTION
without a safety alert symbol, indicates that property damage can result if proper precautions are not taken.
NOTICE
indicates that an unintended result or situation can occur if the corresponding information is not taken into
account.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation for the specific task, in particular its warning notices and
safety instructions. Qualified personnel are those who, based on their training and experience, are capable of
identifying risks and avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be adhered to. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this
publication may be trademarks whose use by third parties for their own purposes could violate the rights of the
owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
GERMANY
A5E03052391B AA
Ⓟ 06/2010
Copyright © Siemens AG 2010.
Technical data subject to change

Safety Integrated Function Manual, SINAMICS G120
Function Manual, 07/2010, FW 4.3.2, A5E03052391B AA 5
Table of contents
1 Introduction................................................................................................................................................ 9
1.1 About this manual ..........................................................................................................................9
1.2 Guide through this manual...........................................................................................................10
1.3 Overview of documentation .........................................................................................................10
1.4 Commissioning guidelines ...........................................................................................................12
1.5 Notation........................................................................................................................................14
2 Description............................................................................................................................................... 15
2.1 SINAMICS G120 safety functions................................................................................................16
2.2 Examples of how the safety functions can be applied.................................................................17
2.3 Preconditions and constraints......................................................................................................18
2.3.1 General conditions .......................................................................................................................18
2.3.2 Permissible and prohibited applications ......................................................................................18
2.3.3 Impermissible functions ...............................................................................................................19
2.4 Safe Torque Off, STO ..................................................................................................................20
2.5 Safe Stop 1, SS1 .........................................................................................................................21
2.5.1 Basic principle of operation..........................................................................................................21
2.5.2 Dynamic response of SS1 ...........................................................................................................21
2.6 Safely Limited Speed, SLS ..........................................................................................................24
2.6.1 Basic principle of operation..........................................................................................................24
2.6.2 Selecting SLS when the motor is switched on.............................................................................24
2.6.3 Switching on the motor when SLS is active.................................................................................27
2.6.4 Switching between monitoring thresholds ...................................................................................28
2.7 Interrupting safety functions.........................................................................................................31
2.7.1 Selecting STO when SS1 is active ..............................................................................................31
2.7.2 Selecting STO when SLS is active ..............................................................................................32
2.7.3 Selecting SS1 when SLS is active...............................................................................................34
2.7.4 Switching off the motor when SS1 is active.................................................................................36
2.7.5 Switching off the motor when SLS is active.................................................................................37
2.7.6 Switching the motor on and off when SLS is active.....................................................................39
2.8 Password .....................................................................................................................................40
2.9 Checksum ....................................................................................................................................40
2.10 Forced dormant error detection ...................................................................................................40
3 Activation................................................................................................................................................. 43
3.1 Overview ......................................................................................................................................43
3.2 Activation via F-DI........................................................................................................................43
3.2.1 Fail-safe digital inputs ..................................................................................................................43
3.2.2 Connecting sensors directly.........................................................................................................44
3.2.2.1 Permitted sensors ........................................................................................................................44
3.2.2.2 Electromechanical sensor............................................................................................................45