Specifications
1
2
3
4
5
6
7
8
9
10
25
Modicon
™
Momentum
™
automation platform
Discrete I/O bases
Wiring diagrams for discrete I/O bases
170 ADM 850 10 170 ADM 390 30 / 170 ADM 390 31
Example of external wiring of:
v 4-wire sensor
v 2-wire actuator
v 3-wire actuator with wiring check
v 2-wire sensor actived by output
Example of external wiring of 3 or 4 sensor/3-wire/actuator
Group of channels Group of channels
Internal wiring Internal wiring
(1) Fast-blow fuse: c 12 V: 630 mA, c 24 V: 315 mA, c 48 V: 200 mA.
(2) Fast-blow fuse.
(1) For 4-wire sensor
(2) For 3-wire actuator
170 ARM 370 30 170 ADM 690 51
Example of external wiring of 4-wire sensor/3-wire actuator Example of external wiring of 4-wire sensor/2 and 3-wire actuators
Group of channels Group of channels
Internal wiring Internal wiring
–+
1M-1L+
16 2M-2L+
1
2
3
123 45678910 11 12 13 14 15 16
M-L+
123 45678910 11 12 13 14 15 16
In –PE
+
P
4M
In
–
PE
10M
P
(1)
(2)
(2)
(2)
4
5
6
10…60 V
10…60 V
I1 I10 I14
O4 O10 O14
Return
2-wire
actuator
3-wire
actuator
315 mA
max. 4 A
max. 10 A
4-wire
sensor
Sensor
actived by
output
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
4 A max.
fast-blow
fuse
8 A max.
slow-blow
fuse
8 A max.
slow-blow
fuse
PEPEPE
16
N
–
–
1L
IN
PE
2N1N
1
2
3
4
L+
+
12
1L +2L1
1N
M
IN
PE
–
8 A max.
slow-blow
fuse
4 A max.
fast-blow
fuse
a 120 V
N
4-wire sensor 3-wire actuator
Return
2L1
2N
PE
1L11N1N
2
3
4
5
6
1234 56 78910NCN2N L1
81N 1N1N
LN
1
INLNPE OutNPE
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
Return
a 115 V
a 20…132 V
a 115 V
315 mA
fast-blow
fuse
8 A max.
slow-blow
fuse
4 A max.
fast-blow
fuse
3-wire actuator
Description:
page 12
Specications:
pages 13 to 18
References:
page 19
Dimensions, mounting:
page 20
Wiring diagrams (continued)