4 icsi 16 d1: 16 non-isolated 24vdc inputs, Remote i/o modules electrical connections – Micromod MOD: Remote I/O Modules for use with 2020N Remote I/O Interface Module User Manual
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Remote I/O Modules
ELECTRICAL CONNECTIONS
3.6.4 ICSI 16 D1: 16 Non-Isolated 24Vdc Inputs
Binary non isolated input unit with 16 input channels for 24 VDC. The unit has to be mounted
on a plug-in base ECZ.
Description:
Sixteen yellow input status
led's «0» to «15»................ 1
«TEST» push-button .......... 2
Red error led ...................... 3
List of error codes .............. 4
ICSI16D1 24 VDC
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
2
4
4
5
6
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
Common + (not to be used)
L
M
N
O
P
Q
R
Common + (not to be used)
Common + (not to be used)
Common + (not to be used)
Common + (not to be used)
Common + (not to be used)
Caution: 24 VDC must never be connected to common "+".
Electrical Connection:
• Common “+” terminals are connected together.
• Common “+” terminals must not be used when the unit’s power supply is 24 VDC.
• Common “+” terminals may be used to supply the inputs with 24 VDC when the unit’s
power supply is 120/230 VAC.
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