Siemens SIMOCODE pro Manual page 61
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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(1)
Protective circuit
required to suppress
surge voltages!
Figure 9-1
SIMOCODE pro - Fail-Safe Digital Modules
Manual, 11/2017, NEB631679702000/RS-AA/002
Sensor circuit
S10 Emergency stop Q1 = Incoming supply contactor
S11 Start
Typical circuit diagram of a reversing starter with safety-related tripping via an
emergency stop control device, maximum level SIL 3 or PL e
Actuator circuit
Q2 = Motor contactor CW
Q3 = Motor contactor CCW
Typical circuit diagrams
9.1 Introduction
Local operation
S1 = CW rotation
S2 = Off
S3 = CCW rotation
61
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