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iCanServer540R User's Guide
6. Tips for Using iCanServer540R
6.1. Alarm Input/Output
The Alarm In/RLY OUT Connector is used to connect the various sensing and alerting devices.
Examples of sensing devices are infrared sensors, motion sensors, heat/smoke sensors, magnetic
sensor, etc. Examples of alerting devices are loud speaker, flashing light, etc
1. Alarm Input(ALARM IN)
Connect the two wires of the sensors. The sensor type can be set in Administrative
Mode(Ref. 5.5 & 5.6). Output lines providing on-off switching are connected between
"In-" and "In+" pins. Figure 6-2 shows the input circuit of "Alarm In".
2. Alarm Output(RLY OUT)
Alarm output is configured as a relay circuit. Relay circuit is normal open and circuit is
closed upon alarm output. The relay is capable of switching 30V/2A electrical signal.
Figure 6-1. Alarm input circuit of iCanServer540R
Rev.1.0 (Nov. 2006)
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