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