Micromod MOD: Remote I/O Modules for use with 2020N Remote I/O Interface Module - Manual (Page 19)

Remote I/O Modules
ELECTRICAL CONNECTIONS
3.6.1 ICSI 08 D1 - 8 Non-Isolated 24Vdc Inputs
Binary non isolated input unit with 8 input channels for 24 VDC. The unit has to be mounted
on a plug-in base ECZ.
Description:
Eight yellow input status led's «0» to «7»
1
«TEST» push-button .......... 2
Red error led ...................... 3
List of error codes .............. 4
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.
• If an external power supply 24 VDC is used for inputs, the "0" VDC must be connected to
the common "–".
Caution: 24 VDC must never be connected to common "+".
3 2 4
I/O REMOTE UNIT
ICSI08D1 120 VAC
Unit error
Bus error TEST
0
1
2
3
4
5
6
7
0 1 2 3
1
4 5 6 7
Input
8 9 10 11 12 13 14 15
Cut Wire
ABB Procontic CS 31
Shield
Bus # 1
Bus # 2
Common +
Common -
Common -
A
B
C
D
E
F
G
H
Common +
Common +
Common +
Common +
Common +
Power
Supply
230 VAC
120 VAC
15