Typical circuit diagrams
9.3 DM-F LOCAL, actuator circuits
74
SIMOCODE pro - Fail-Safe Digital Modules
Manual, 11/2017, NEB631679702000/RS-AA/002
Actuator circuit with feedback circuit, control function = reversing starter
Figure 9-13 Circuit diagram of an actuator circuit with feedback circuit, control function = reversing
starter, with incoming supply contactor, maximum safety integrity level
SIL 3 / performance level PL e
*) Supply of feedback circuit from T3 for applications without cross-circuit detection
Q1: Incoming supply contactor
Q2: Motor contactor CW
Q3: Motor contactor CCW
Note
Protective circuit required to suppress surge voltages!
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