Model IR5500
14
8
MOD1-
Modbus1-
Modbus2- MOD2-
17
7
MOD1+
MOD2+
18
Normally
De-
energized
Normally
Energized
Normally
Energized
Normally
De-
energized
6
A2
Alarm NO
Alarm NC
Fault NO
Fault NO
FLT1
19
5
AC
Alarm C
Alarm C
Fault C
Fault C
FLTC
20
4
A1
Alarm NC
Alarm NO
Fault NC
Fault NC
FLT2
21
3
W2 L
Warn
LEL•m NO
Warn
LEL•m NC
Warn
ppm•m NC
Warn
ppm•m NO
W2 P
22
2
WC L
Warn
LEL•m C
Warn
LEL•m C
Warn
ppm•m C
Warn
ppm•m C
WC P
23
1
W1 L
Warn
LEL•m NC
Warn
LEL•m NO
Warn
ppm•m NO
Warn
ppm•m NC
W1 P
24
Table 3: Receiver Wiring Terminal Locations
3.6.1 Terminal
Block
Operation
To connect wiring to the terminal block, insert a screwdriver into the orange tab
and press down, opening the terminal (see Figure ). Insert the wire into the
terminal and release the orange tab, clamping the wire in the terminal. Check
the clamp by GENTLY tugging the wire to ensure it is locked in. Make sure that
the terminal clamps on to the wire, not the insulation.
9
10
11
12
13
14
15
16
+24V
COM
0-
20
mA L
COM
0-2
0mA P
COM
RST
COM