Univex 5100-02-IT, IT Series instruction manual Table Sensor Module External Interfaces, Page

Model 5100-02-IT Combustible Gas Sensor Module

6.Carefully return the transmitter to the enclosure installing it over the two standoffs. Tighten the retaining screws into the standoffs.

P1	FUNCTION	P2		FUNCTION
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 output +
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.

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