CIAS Elettronica S.r.l. Ed. 2.2
Installation Handbook page 36 to 43 ERMO 482
3.3 Connection to the Control Panel
On transmitter and receiver PCB are present 1 relays. These Relay is static with dry contacts
normally closed. By means of these contacts it’s possible to communicate to the control panel
the following conditions: Alarm, Tamper
3.3.1 Alarm contacts: Alarm, Tamper
The Alarm output is made by static Relays contacts with 100 mA 12 V max capability and total
internal resistance of 35 Ohm. The Tamper output is made of Microswitch contact and a Bulb
contact with 100 mA max capability. The outputs are activated by the following reasons:
Alarm output: 1 – Intrusion Alarm on Receiver
2 – Channel Alarm on Receiver
Tamper output: 1 – Opening of microwave head, Tx or Rx
2 – Changing head position (Bulb contact), Tx or Rx
For high risk protection it’s necessary a Periodic Test for the equipements. By means for
these control panel will be able to detect tamper action. For the Test function activation it
wich have Ermo-Test strument; it’s possible to test the microwave barrier, temporary switching-
off the transmitter.
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