OPTICAL SYSTEMS DESIGN
DOC ID: 10112303
OSD2600 OPERATOR MANUAL
PAGE 16
3.2.7
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
Power2
+
47~55VDC
Terminal
Block
-
Power Ground
Power1
+
47~55VDC
-
Power Ground
Earth Ground
Relay Output Rating
1A @ 250VAC
Relay Alarm Assignment
FAULT
*Warning signal disable for following:
The relay contact closes if Power1 and Power2 are both failed.
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 shorting your power supply.
Summary of Contents for 2600P series
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