SMC Networks IT Series Instruction Manual page 13

6. Carefully return the transmitter to the enclosure installing it over the two standoffs. Tighten the
retaining screws into the standoffs.
P1
1 High Alarm Relay NC
2 High Alarm Relay NO
3 High Alarm Relay COM
4 Low Alarm Relay NC
5 Low Alarm Relay NO
6 Low Alarm Relay COM
7 Trouble Relay NC*
8 Trouble Relay NO*
9 Trouble Relay COM
10 Digital Input SW+
11 Digital Input SW-
*Trouble relay is fail safe so it is energized for normal operation. Functions
are labeled for normal operation.
7. Establish the module address according to section 3.5.
Model 5100-02-IT Combustible Gas Sensor Module
F P2
UNCTION
1
2
3
4
5
6
7
8
9
10
Table 3-1
Sensor Module External Interfaces
NOTE
The warm-up period is 3 minutes from power on.
Page: 11
F
UNCTION
Power
Signal
Ground
N/A
N/A
4-20 mA output -
4-20 mA output +
RS-485 Ground
RS-485 (-) (B)
RS-485 (+) (A)