Siemens SIRIUS ACT 3SU1 - 16 Application examples; 16.1 Examples of EMERGENCY STOP shutdown applications

SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010
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Application examples
16
16.1
Examples of EMERGENCY STOP shutdown applications
16.1.1
Emergency stop shutdown to SIL 3 or PL e with a safety relay
Application
Two-channel emergency stop shutdown of a motor by a 3SK1 safety relay and power
contactors.
Configuration
Figure 16-1 Emergency stop shutdown to SIL 3 or PL e with a safety relay