Siemens SIMOCODE pro Manual page 77
Fail-safe digital modules
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Also See for SIMOCODE pro:
- System manual (694 pages) ,
- Function manual (344 pages) ,
- Programming and operating manual (286 pages)
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Figure 9-16
*) Supply of feedback circuit from T3 for applications without cross-circuit detection
Q2: Line contactor
Q3: Delta contactor
Q4: Star contactor
Note
Protective circuit required to suppress surge voltages!
SIMOCODE pro - Fail-Safe Digital Modules
Manual, 11/2017, NEB631679702000/RS-AA/002
Circuit diagram of an actuator circuit with feedback circuit, control function = star-delta
starter, without incoming supply contactor, maximum safety integrity level
SIL 1 / performance level PL c
Typical circuit diagrams
9.3 DM-F LOCAL, actuator circuits
77
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