6ES7193-7CA00-0AA0

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The watchdog module has two fundamental functions:

• Monitoring of the ET 200iSP remote I/O station for hardware failures (hardware lifebeat); external, applicative failure monitoring is also possible via an I/O address area of the module
• Intrinsically-safe power supply for external actuator switch-off

The watchdog module must be plugged onto a terminal module (order separately). The first slot directly next to the interface module is provided for the watchdog module. You can use the same terminal modules for the watchdog module as for the electronics modules.