SSI A20829 - Connections Diagram; A20829

Single Gas Sensor Module (SGSM)
Operations Manual
Super Systems Inc.
Page 5 of 38
Page 5 of 51
Connections Diagram
The following diagrams show the connections for the two versions of the SGSM.
A20829
Figure 1 - Connections diagram for A20829
.
Wire Color
Red +VDC Power supply (24VDC @ 750 mA)**
Black -VDC
Green/Black Stripe +RS485 Communications signal
Red/Black Stripe -RS485 provided by modbus over serial
White/Black Stripe +O2 O2 input for lambda probe
Orange/Black Stripe
-O2 when used as H2/O2 sensor
Orange + mA Analog output #1
Blue - mA (4-20 mA)
Green + mA Analog Output #2
White - mA (4-20 mA)
Function