Actuator Circuit With Feedback Circuit, Control Function = Star-Delta 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
9.3.3
Actuator circuit with feedback circuit, control function = star-delta starter
Figure 9-15
*) Supply of feedback circuit from T3 for applications without cross-circuit detection
Q1: Incoming supply contactor
Q2: Line contactor
Q3: Delta contactor
Q4: Star contactor
Note
Protective circuit required to suppress surge voltages!
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Circuit diagram of an actuator circuit with feedback circuit, control function = star-delta
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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