Programmable Relay ZEN 11
Expansion I/O Units
AC input DC input
■ Output Circuit Wiring
CPU units with 10 I/O points
Relay output Transistor output
CPU units with 20 I/O points
Relay output Transistor output
Expansion units with 10 I/O points
Relay output Transistor output
Note: Units with Relay Outputs
All four relay output circuits in both CPU Units with 10 I/O points and Expansion I/O Units have independent contacts. CPU Units with 20 I/
O points have 4 independent contacts (Q0 to Q3) and the remaining four (Q4 to Q7) have 2 points/common. There are no restrictions for
polarity.
Note: Transistor Output Type
All four transistor output circuits in both CPU Units with 10 I/O points and Expansion I/O Units have independent contacts. CPU Units with
20 I/O points have 4 independent contacts (Q0 to Q3) and the remaining four (Q4 to Q7) have 2 points/common. The terminals have polarity,
but the power supply and load connections can be swapped
Expansion I/O Units
Circuit
protector
L
N
Input
devices
Expansion I/O Units (DC input type)
Note: Expansion I/O Units can be connected
to either the positive (+) or negative (–) common terminal.
24 VDC, 6.5 W
Input devices
Q
0
Q
1
Q
2
Q
3
Load
Load
Load
Load
CPU Units with 10 I/O points
Switching capacity
250 VAC, 8 A (cos = 1)
24 VDC, 5 A
Load
Load
Load
Load
Load
CPU Units with 10 I/O points
Switching capacity
Q
0
+
-
+
-
+
-
+
-
Q
1
Q
2
Q
3
24 VDC, 0.5 A
Load
Load
Load
Load
Load
Load
Load
Load
Q
0
Q
1
Q
2
Q
3
Q
4
Q
5
Q
6
Q
7
CPU Units with 20 I/O points
Switching capacity
250 VAC, 8 A (cos = 1)
24 VDC, 5 A
Load
Load
Load
Load
Load
Load
Load
Load
CPU Units with 20 I/O points
Switching capacity
+
-
+
-
+
-
+
-
+
--
+
--
Q
0
Q
1
Q
2
Q
3
Q
4
Q
5
Q
6
Q
7
24 VDC, 0.5 A
Load
Load
Load
Load
OUT
0
OUT
1
OUT
2
OUT
3
Expansion I/O Units
Switching capacity
250 VAC, 8 A (cos = 1)
24 VDC, 5 A
Load
Load
Load
Load
Expansion I/O Units
Switching capacity
OUT
0
OUT
1
OUT
2
OUT
3
24 VDC, 0.5 A
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