Siemens Industry, Inc. Owner's Manual 125-5093
Building Technologies 2015-10-14
Safety Features
The controller board stores the controller's address, applications, and point values. In
the event of a power failure or a reset, these values are retrieved from the controller's
permanent memory and are used by the controller unless overridden by a field panel. If
one of the following conditions occurs, the controller will activate safety features
present in its fail-safe mode.
Sensor failure.
Loss of power. Upon controller power loss, communication with the controller is
also lost. The controller will appear as failed (*F*) at the field panel.
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