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Expansion I/O Units
AC input
Expansion I/O Units
L
N
Circuit
Input
protector
devices
Output Circuit Wiring
CPU units with 10 I/O points
Relay output
CPU Units with 10 I/O points
Q0
Q1
Q2
CPU units with 20 I/O points
Relay output
CPU Units with 20 I/O points
Q0
Q1
Q2
Expansion units with 10 I/O points
Relay output
Expansion I/O Units
OUT0
OUT1
OUT2
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
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Q3
Switching capacity
250 VAC, 8 A (cos
= 1)
24 VDC, 5 A
Q3
Q4
Q5
Q6
Q7
Switching capacity
250 VAC, 8 A (cos
24 VDC, 5 A
OUT3
Switching capacity
250 VAC, 8 A (cos
= 1)
24 VDC, 5 A
DC input
Expansion I/O Units (DC input type)
24 VDC, 6.5 W
Input devices
Note: Expansion I/O Units can be connected
to either the positive (+) or negative (–) common terminal.
Transistor output
CPU Units with 10 I/O points
+
-
+
-
+
-
Q0
Q1
Q2
Transistor output
CPU Units with 20 I/O points
+
-
+
-
+
-
Q0
Q1
Q2
= 1)
Transistor output
Expansion I/O Units
OUT0
OUT1
OUT2
+
-
Q3
Switching capacity
24 VDC, 0.5 A
+
-
-
+
-
-
+
-
Q3
Q4 Q5
Q6
Q7
OUT3
Switching capacity
24 VDC, 0.5 A
ZEN
Programmable Relay
Switching capacity
24 VDC, 0.5 A
11
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