125
Specifications Appendix A
DC Inputs (ZEN-8E1DR Not Isolated)
Note Can be selected using the input filter settings.
DC Inputs (ZEN-8E1DT: Photocoupler Isolated)
Note Can be selected using the input filter settings.
Output Specifications
Relay Output Type (CPU Unit/Expansion I/O Units)
Item Specifications Circuit drawing
Input voltage 12 to 24 VDC +20%, –10%
Input impedance 6.5 k
Ω
Input current 3.7 mA, Typical (24 VDC)
ON voltage 8 VDC min.
OFF voltage 5 VDC max.
ON response time 15 ms or 50 ms (See note.)
OFF response time
Item Specifications Circuit drawing
Input voltage 12 to 24 VDC +20%, –15%
Input impedance 6.5 k
Ω
Input current 3.7 mA, Typical (24 VDC)
ON voltage 8 VDC min.
OFF voltage 5 VDC max.
ON response time 15 ms or 50 ms (See note.)
OFF response time
Item Specifications Circuit drawing
Max. switching
capacity
250 VAC/8 A (cos
φ = 1)
24 VDC/5 A
The total for all outputs must be as follows
for each Unit:
10-point CPU Unit: 20 A max.
Communications-type CPU Units: 15 A max.
20-point CPU Unit: 40 A max.
Expansion I/O Unit: 20 A max.
Each circuit is made up of an
independent common circuit.
Min. switching
capacity
5 VDC, 10 mA
Relay
dura-
bility
Electrical Resistive load: 50,000 times
Inductive load: 50,000 times (cos
φ = 0.4)
Mechanical 10 million times
ON response time 15 ms max.
OFF response time 5 ms max.
12 to
24 VDC
IN
IN
COM
±
6.2 kΩ 1.8 kΩ
Internal
circuit
12 to
24 VDC
Internal
circuit
IN
IN
COM
6.2 kΩ 1.8 kΩ
L
Q0 to Q3/
OUT0 to OUT3
Q4/Q6
COM
Q5/Q7
L
L
Internal
circuit
20-point
I/O
models
only
Z211-E1-03.book Page 125 Friday, November 21, 2008 10:38 AM
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