Actuator Circuit With Feedback Circuit, Control Function = Pole-Changing Starter - Siemens SIMOCODE pro Manual
Fail-safe digital modules
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- System manual (694 pages) ,
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Typical circuit diagrams
9.4 DM-F PROFIsafe, actuator circuits
9.4.6
Actuator circuit with feedback circuit, control function = pole-changing starter
Figure 9-29
Q1: Incoming supply contactor
Q2: Line contactor, fast
Q3: Line contactor, slow
Note
Protective circuit required to suppress surge voltages!
90
Circuit diagram of an actuator circuit with feedback circuit, control function =
pole-changing 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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