Connect wire pairs for contact closure
DO NOT APPLY VOLTAGE
to the input contact terminals or the system maybe damaged.
•
The contact terminals may be removed and accept wire sizes 16~26 AWG.
•
Fully seat the terminal block back into the connector before operating the system..
Input
The input acts as a dry contact sensor, it will sense a relay or contact closure without any external
power source. No voltage should be applied to the input terminals as they provide the necessary
wetting voltage.
•
Check to ensure the resistance on the copper pairs being used does not exceed 100 Ohms.
Output
•
The output is a normally open relay.
•
Ensure the output relays maximum load of 60 watts or 62.5VA is not being exceeded.
•
Disconnect all power to load wiring prior to installation or maintenance.
Connect power
The system accepts a 24-48VDC or 125VDC local power source depending on the model. The power
inputs are identified on the top of the device, near the alarm terminals and are labeled PWR 1 and PWR 2.
Either or all of them may be used to the power the device.
Connect the leads of the power source to the screw down terminals on top of the DIN device. For ease of
installation, the terminal block may be removed by pulling it straight out. If removed, seat the terminal
block firmly into the connector before applying power. Once power is applied the power LED will turn on.
Note:
The power terminals are not polarity sensitive. The positive or negative lead of the power source
may be connected to either terminal of the power connectors.
"
Detail of Power Terminals
PWR 1
PWR 2
NO
-
+
-
+
COM
NC
ALARM
RLH Industries, Inc. • Tel. 866-DO-FIBER • Fax 714 532-1885 • www.fiberopticlink.com
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