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Siemens AG
Entry type: Application example Entry ID: 109485642, Entry date: 09/19/2016
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Emergency stop shutdown to SIL 1 or PL c with a 3SK2 safety relay

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  • Associated product(s)
Single-channel emergency stop shutdown of a motor by a 3SK2 safety relay and power contactor.

Emergency stop shutdown to SIL 1 or PL c with a 3SK2 safety relay

Operating principle

The 3SK2 safety relay monitors the emergency stop command device. When the emergency stop command device is actuated, the safety relay opens the enabling circuits and switches the power contactor off in a safety-related way. If the emergency stop command device is unlatched and the feedback circuit is closed, the Start button can be used to switch on again.

 Registrierung notwendig  Project for Safety ES (1,6 KB)

 Registrierung notwendig  Wiring diagrams (163,7 KB)

 Registrierung notwendig  Project for Safety Evaluation Tool (7,5 KB)

 

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