General Engineering Information for SINAMICS
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
255/528
In the following diagram the operation principles of both safety functions are shown.
Wiring and operating principles of the Safety Integrated Basic Functions Safe Torque Off and Safe Stop 1
On the various types of SINAMICS components the inputs of the safety functions have different terminal markings.
These are shown in the following table:
Component 1st switch-off signal path 2nd switch-off signal path
CU320-2 Control Unit X122.1..4 / X132.1..4 (on the CU320-2)
digital inputs 0 to 7
(see Motor Modules / Power Modules)
S120 Single Motor Modules Booksize
(also S120 Cabinet Modules of type
Booksize Cabinet Kit)
(see CU320-2) X21.3 and X21.4 (on the Motor Module)
S120 Double Motor Modules Booksize (see CU320-2) X21.3 and X21.4 (for motor connection X1)
X22.3 and X22.4 (for motor connection X2)
(on the Motor Module in each case)
S120 Single Motor Modules Chassis,
S120 Cabinet Modules (without Booksize
Cabinet Kits), G130, G150, S150
(see CU320-2) X41.1 and X41.2 (on the CIM module)
S120 Single Motor Modules Chassis
Liquid-cooled
(see CU320-2) X9.7 and X9.8 (on the Motor Module)
S120 Power Modules Chassis with
CU310-2
X121.1...4 (on the CU310-2)
digital inputs 0 to 3
X9.7 and X9.8 (on the Power Module)
Further information about the terminals can be found in the relevant catalogs and equipment manuals.
Connections for the Safety Integrated Basic Functions STO and SS1 on various SINAMICS units
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