14
Terminal
Number
Gas Detector Wiring Field Wiring
Function Colour Receiver /
Transmitter
1 - - - +24VDC SUPPLY
2 +24V Red Rec & Transmitter -
3 - - - 0V - Supply
4 0V Black Rec & Transmitter -
5 - - - 4-20mA Output
6 4-20mA White Receiver Only -
7 RS485 A Orange Receiver Only -
8 RS485 B Blue Receiver Only -
9 - - - Modbus Drain
10 - - - Modbus A
11 - - - Modbus B
12 - - - -
Earth
Terminal
Earth Green /
Yellow
Rec & Transmitter Earth / Barrier
Earth
INSTALLATION (CONT)
Searchpoint Excel Cross-Duct