B&B Electronics EIRM-EXTEND-8 - Manual - Manual (Page 16)

10
Manual Documentation Number: EIRM-EXTEND-8-1411m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
Top View
Alarms for Power Failure
Step 1: There are two pins on the terminal block 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 DC Jack
Power2
＋ 12-48VDC
Terminal
Block
－ Power Ground
Power1
＋ 12-48VDC
－ Power Ground
Earth Ground
Relay Output Rating 1A @ 24VDC
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.