Siemens SINAMICS S120 Function Manual page 205

Overview of the safety function terminals for SINAMICS S120
The different power unit formats of SINAMICS S120 have different terminal designations for
the inputs of the safety functions. These are shown in the following table.
Table 5- 1
Module
Control Unit CU320-2
Single Motor Module
Booksize/Booksize Com-
pact
Single Motor Module/
Power Module Chassis
Double Motor Module
Booksize/Booksize Com-
pact
Power Module Blocksize
with CUA31/CUA32
Control Unit CU310-2
Power Module Chassis with
CU310-2
Power Module blocksize
with CU310-2
Controller Extension
SIMOTION CX32-2
Please note: On the CU310-2, you must use the EP terminal (DI 17) as a switch-off signal path.
1)
Use any free digital input (DI) as the 2nd switch-off signal path.
See the equipment manuals for additional information about the terminals.
Note
Function of the EP terminals
The EP terminals are only evaluated if the Safety Integrated Basic Functions are released
via onboard terminals.
Safety Integrated
Function Manual, 12/2018, 6SL3097-5AR00-0BP1
5.2 Control signals by way of terminals on the Control Unit and Motor / Power Module
Inputs for safety functions
1st switch-off signal path
(p9620[0])
X122.1....6/X132.1...6
DI 0...7/16/17/20/21
(see CU320-2)
(see CU320-2)
(see CU320-2)
(see CU320-2)
X120.3
X121.1...4
(see CU310-2)
(see CU310-2)
X122.1...6
DI 0...3/16/17
Control of the safety functions
2nd switch-off signal path (EP terminals)
–
X21.3 and X21.4
(on the Motor Module)
X41.1 and X41.2
X21.3 and X21.4 (motor connection X1)
X22.3 and X22.4 (motor connection X2)
(on the Motor Module)
X210.3 and X210.4 (on the
CUA31/CUA32)
X120.4 and X120.5
1)
X41.1 and X41.2
STO_A and STO_B
(for additional information, see Chapter
"STO via terminals of the Power Modules
Blocksize (CU310-2) (Page 209)")
–
203