User guide
48237-EN/13
Momentum automation platform 0
Discrete I/O Bases
170 ADM 390 10 170 ADM 390 30
Example of external wiring of 2-wire sensor/actuator Example of external wiring of 3 or 4 sensor/3-wire/actuator
Group of channels Group of channels
Internal wiring Internal wiring
(1) For 4-wire sensor
(2) For 3-wire actuator
170 ADM 690 51 170 ARM 370 30
Example of external wiring of 4-wire sensor/2 and 3-wire actuators Example of external wiring of 4-wire sensor/3-wire actuator
Group of channels Group of channels
Internal wiring Internal wiring
3L+
12345678910 1213 1516M–L+
1411
I6
O6
M–M–
1
2
3
9 12 1L+ 2L+18
56 k
56 k
24 V
24 V
2-wire actuator
(connected
directly
to sensor)
O
ption
Return
200 mA
fast-blow
fuse
4Amax.
fast-blow
fuse
4Amax.
fast-blow
fuse
4Amax.
fast-blow
fuse
PE
12345678910 1L+M–M–1L+M–L+
IN
L
-PE
2N1N
1
2
3
1L+ 9 10 161L+ 2L1
1N
M–
2N
L
-PE
24 V
L
N
(2)(1)
Option
3-wire sensor 2-wire actuator
Return
315 mA
fast-blow
fuse
4Amax.
fast-blow
fuse
8Amax.
slow-blow
fuse
8Amax.
slow-blow
fuse
2L1
2N
PE
1L11N1N
2
3
4
5
6
1 2 345678910 NC N2N L1
1N 1N1N
+-
1
INL- PE Out - PE
2
-wire sensor
4-wire sensor
2-wire actuator
Fuse 1
(2,5 A slow-blow)
Fuse 2
(2,5 A slow-blow)
Return
Return
Retu
rn
a 115 V
a 20…132
V
a 115
V
315 mA
fast-blow
fuse
8Amax.
slow-blow
fuse
4Amax.
fast-blow
fuse
3-wire actuator
PEPEPE
1 6 10 N
–
–
1L
IN
PE
2N1N
1
2
3
4
L+
+
19 2 13 161L+ 2L1
1N
M
IN
PE
–
8Amax.
slow-blow
fuse
4Amax.
fast-blow
fuse
a 120 V
Return
N
4-wire sensor 3-wire actuator
Connections (continued)