User guide

Remote I/O Modules
ELECTRICAL CONNECTIONS
Electrical Connection
• The internal 24 VDC (100 mA) power supply is only available for the 230 VAC/120 VAC
versions. This power is used to power the inputs.
• In case of the 24 VDC version, the 0 V of the second external power supply has to be
connected to the common "–".
ICSK20F1 120 VAC
I/O REMOTE UNIT ABB Procontic CS 31
Unit error
Bus error
TEST
0
1
2
3
4
5
6
7
OUT
1 2 3
6
4
3
5
45 678 9 10 11
Cut wire
0
1
2
IN
Shield
Bus # 1
Bus # 2
M
A
B
Com mon M- Q
N
O
P
R
S
T
Common +
Common –
C
D
E
F
G
H
I
J
K
L
Lo a d
Loa d
Loa d
Loa d
Lo ad
Q
Loa d
Load
Load
L1
N
PE
Co mmo n R- T
=/~
=/~
30