2.6 Power Failure Relay Output
The device provides a relay output to report power failure event to a remote alarm monitoring system. The replay output is provided with two contacts labeled PF+ and PF- in the terminal block interface.
Use the provided 2P terminal plug for signal wiring and plug into the PF+/ - contacts. The function is designed as :
Power is normal | PF+ contact is shorted with PF- contact. |
Power failure | PF+ contact is disconnected with PF- contact. |
Note: Be sure the voltage applied on PF+/- contacts is within the specification of 30VDC/1A max. or 120VAC/0.5A max.