8.5
VdS Fire Applications
The relays are assigned as follows:
Relay A:
Relay B:
Relay C:
Relay D:
The input pins are assigned as follows:
Pins 2 to 16:
Pin 1:
An additional external relay with a voltage rating that matches the voltage of the FASCIE equipment is
required:
For 12V equipment:
For 24V equipment:
The fire alarm signaling shall be connected as illustrated below:
page 52
ATE fault (normally closed)
NAK (normally closed)
Fire ATE fault (normally closed)
Fire Alarm Receiving Equipment (ARE) ack (normally closed)
User definable
Fire
relay item = OMRON G2R-1-T 12VDC
relay item = OMRON G2R-1-T 24VDC
IRIS-4 Technical Reference Manual.docx 12/01/2023
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