Emerson M22 Carbon Monoxide Alarm User Manual


 
15
MAN-0076 Rev 05 Millennium II
December 07, 2012
Net Safety Monitoring Inc
2.1.5 Sensor and Transmitter terminals
Warning Before wiring, ensure power to the unit is switched off. Connect the sensor wires to the sensor
terminals of the transmitter and connect the transmitter’s power and output terminals to the wiring leading to the Power
source/panel. Refer to the configuration tables below for sensor as well as transmitter power and output terminal
designations.
Table 1: Sensor and Transmitter Terminals
Sensor Terminals
Sensor
Wires
Transmitter Sensor Board
Terminal designation
White
+Vdc(from transmitter)
Red
SigA
Blue
SigB
Black
Com
Green
Earth Ground
Figure 9: Sensor wiring and terminal connections
Transmitter Power Terminals
Transmitter terminal
designation
Function
RST
Remote Reset
+Vdc(10.5-32)
Power(+)
COM
Power(-)
4-20(CH1)
Current loop output
ISO(CH1)
+Vdc isolated 4-20 power
4-20(CH2)
Current loop output
ISO(CH2)
+Vdc isolated 4-20 power