■ Output Specifications (CPU Units and Expansion I/O Units)
Units with Relay Outputs
Item
Specifications
Circuit drawing
Maximum switching capacity 250 VAC/8 A (resistive load: cosφ = 1)
24 VDC/5 A (resistive load)
Use the following values for the total of all outputs.
CPU Units with 10 I/O points:20 A max.
Q0 to Q3/OUT0 to OUT3
L
(15 A max. for Communications-type CPU Units)
CPU Units with 20 I/O points:40 A max.
Expansion I/O Units:
20 A max.
Q4/Q6
L
Minimum switching capacity 5 VDC/10 mA (resistive load)
COM
Relay life
Electrical
Resistive load: 50,000 times (cosφ = 1)
Models with
20 I/O points
only
Inductive load: 50,000 times (cosφ = 0.4)
Mechanical
10 million times
L
ON response time
OFF response time
15 ms max.
Q5/Q7
5 ms max.
The life under the worst conditions, of the output contacts used in
ZEN relay outputs is given in the above table. Guidelines for the
normal life of the relays are shown in the diagram on the right.
Life-test Curve (Reference Value)
Usage: 360 times/hour
1,000
250-VAC resistive load
24-VDC resistive load/
250-VAC inductive load
24-VDC inductive load
(t = 7 ms)
Note: The switching capacity, switching durability, and applicable
load area when actually using the relay depend on the type of
load, environmental conditions, and switching conditions.
Therefore, be sure to confirm these conditions for the actual
machine before use.
500
300
100
50
30
10
0
2
4
6
8
10
Contact current (A)
Units with Transistor Outputs
Item
Specifications
Circuit drawing
Maximum switching capacity 24 VDC +20%, 500 mA
Each circuit is configured with an independent common
circuit
Q0 to Q3/OUT0 to OUT3
390 Ω
Leakage current
Residual voltage
ON response time
OFF response time
0.1 mA max.
1.5 V max.
1 ms max.
1 ms max.
L
28.8 VDC max.
L
1 kΩ
COM
Internal
circuit
+
28.8 VDC max.
L
Models with
20 I/O points
only
Q4/Q6
L
Q5/Q7
Programmable Relay ZEN V2 Units
11
OMRON [ OMRON ELECTRONICS LLC ]
