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
• 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
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
L
M
N
O
P
Q
R
Common +
Common +
Common +
Common +
Common +
Power
Supply
230 VAC
120 VAC
Common +
Technical Characteristics:
Power supply
24 VDC
230 or 120 VAC 50 or 60 Hz
Number of inputs per unit
16
16
Power supply isolation
no
yes (1500 VAC)
Inputs opto-isolated no
no
Supply output regulated 24 VDC (± 5 %)
-
100 mA
Signal level of the input, nominal value
24 VDC
24 VDC
Signal level of the input :
0 - OFF signal
–3 to +5V
–3 to +5V
1 - ON signal
+15 to +30V
+15 to +30V
Open circuit detection*
yes
yes
Input current for 24 VDC
6 mA
6 mA
Input delay
8 ms
8 ms
Maximum power consumption
0.2 A
10 VA
Maximum power dissipation
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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