11
Features and Models Section 1-2
CPU Units with 20 I/O Points
Note Refer to Input Specifications on page 123 for input specifications.
Shape Power
supply
Inputs Outputs Analog
inputs
Model number
With display
and operation
buttons
Standard
LCD type
100 to
240 VAC,
50/60 Hz
12
inputs
Relays 8
outputs
No ZEN-20C1AR-A-V2
12 to
24 VDC
Yes ZEN-20C1DR-D-V2
12 to
24 VDC
Tran-
sistors
Yes ZEN-20C1DT-D-V2
Economy
type
(Expansion
I/O Units
cannot be
connected)
100 to
240 VAC,
50/60 Hz
Relays No ZEN-20C3AR-A-V2
12 to
24 VDC
Yes ZEN-20C3DR-D-V2
LED type
Without display
100 to
240 VAC,
50/60 Hz
No ZEN-20C2AR-A-V2
12 to
24 VDC
Yes ZEN-20C2DR-D-V2
12 to
24 VDC
Tran-
sistors
Yes ZEN-20C2DT-D-V2
Q
4
I
6
I
7
I
8
I
9
I
a
I
b
Q
6
Q
5
Q
7
20C1AR-A-V2
I
6
I
7
I
8
I
9
I
a
I
b
20C2AR-A-V2
Q
4
Q
6
Q
5
Q
7
Z211-E1-03.book Page 11 Friday, November 21, 2008 10:38 AM
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