Siemens SIMOCODE pro

Typical circuit diagrams
9.4 DM-F PROFIsafe, actuator circuits
SIMOCODE pro - Fail-Safe Digital Modules
Manual, 11/2017, NEB631679702000/RS-AA/002
85
Figure 9-24 Circuit diagram of an actuator circuit with feedback circuit, control function = reversing
starter, without incoming supply contactor, maximum safety integrity level
SIL 1 / performance level PL c
Q2: Motor contactor CW
Q3: Motor contactor CCW
Note
Protective circuit required to suppress surge voltages!