Signamax Connectivity Systems 065-7408x Series
www.signamax-us.com
www.signamax-eu.com
9
Alarms for Power Failure
Step 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.
The Terminal Block
PWR1
Power Input 1 (+24VDC)
GND
Power Ground
PWR2
Power Input 2 (+24VDC)
GND
Power Ground
Earth Ground
The relay opens if PWR1 or
PWR2 fails (1A)
Special 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.
