
Remote I/O Modules
ELECTRICAL CONNECTIONS
• If an external power supply 24 VDC is used for inputs, the "0" VDC must be connected to
the common "–".
ICSI16D1 120 VAC
I/O REMOTE UNIT ABB Procontic CS 31
Unit error
Bus error
TEST
0
1
2
3
4
5
6
7
0 1 2 3
1
3 24
4
56
7
Input
8 9 10 11
12
13 14 15
Cut wire
Shield
Bus # 1
Bus # 2
Ground
I
Common -
Common -
A
B
C
D
E
F
G
H
L
M
N
O
P
Q
R
Common +
Common +
Common +
Common +
Common +
Power
Supply
230 VAC
120 VAC
Common +
Technical Characteristics:
Power su
l
24 VDC 230 or 120 VAC 50 or 60 Hz
Number of in
uts
er unit 16 16
Power su
l
isolation no
es
1500 VAC
In
uts o
to-isolated no no
Su
l
out
ut re
ulated 24 VDC
± 5 %
- 100 m
Si
nal level of the in
ut
nominal value 24 VDC 24 VDC
Si
nal level of the in
ut :
0 - OFF si
nal
3 to +5V
3 to +5V
1 - ON si
nal +15 to +30V +15 to +30V
O
en circuit detection*
es
es
In
ut current for 24 VDC 6 m
6 m
In
ut dela
8 ms 8 ms
Maximum
ower consum
tion 0.2
10 V
Maximum
ower dissi
ation 4.5 W 8 W
* A 20 to 30 kOhm resistor must be mounted in parallel of each input captor to get open
circuit detection for that channel. With an inductive captor, the minimal current is 1 mA.
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