Actuator Circuit With Feedback Circuit, Control Function = Dahlander Starter - Siemens SIMOCODE pro Manual
Fail-safe digital modules
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- System manual (694 pages) ,
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Typical circuit diagrams
9.3 DM-F LOCAL, actuator circuits
9.3.4
Actuator circuit with feedback circuit, control function = Dahlander starter
Figure 9-17
*) Supply of feedback circuit from T3 for applications without cross-circuit detection
Q1: Incoming supply contactor
Q2: Line contactor, slow
Q3: Line contactor, fast
Q4: Star contactor
Note
Protective circuit required to suppress surge voltages!
78
Circuit diagram of an actuator circuit with feedback circuit, control function = Dahlander
starter, with incoming supply contactor, maximum safety integrity level
SIL 3 / performance level PL e
SIMOCODE pro - Fail-Safe Digital Modules
Manual, 11/2017, NEB631679702000/RS-AA/002
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