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3:Installation
XPress-Pro 92000 SW User Guide
10
Alarms for Power and Port Failure
1. There are two pins on the terminal block are used for power failure detection. It
provides the normally closed output when the power source is active. Use this as a
dry contact application to send a signal for power failure detection.
Note:
The relay output is normal open position when there is no power to the switch. Please do not connect
any power source to this terminal to prevent the shortage to your power supply.