LevelOne IES-0823 - Manual (Page 11)

IES-0823 User Manual Page 11
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.
Power Input Assignment
Power3
12VDC ,3A DC Jack
Power2
＋ 1.5A@24VDC(9-32VDC)
Terminal Block
－ Power Ground
Power1
＋ 1.5A@24VDC(9-32VDC)
－ Power Ground
Earth Ground
Relay Output Rating 30 VDC, 1A
Relay Alarm Assignment
FAULT
*Warning signal disable for following:
The relay contact closes if Power1 and Power2 are
both failed but Power3 on.
The relay contact closes if Power3 is failed but
Power1 and Power2 are both on.
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.