Omron ZEN Operation Manual page 34

Features and Part Names
LCD-type CPU Units with 20 I/O Points
(with LCD and Operation Buttons)
Power supply
100 to 240 100 to
VAC, 50/60 240 VAC
Hz
24 VDC 24 VDC
Left Side
Battery Unit connector
(Remove the seal to
connect the Battery Unit.)
Inputs Outputs
Not 12 Relays 8 Yes
iso-
lated
Tran-
sistors
Power supply
terminals
20C1AR-A-V1
LCD
ZEN Support Software connector
(also used for Memory Cassette.)
Input Analog
filter inputs
No
Yes
Input terminals
I 6 I 7 I 8 I 9 I a I b
Operation
buttons
Q4 Q5 Q6 Q7
Output terminals
Section 1-2
Calen- Model num-
dar/time ber
Yes ZEN-20C1AR-
A-V1
ZEN-20C1DR-
D-V1
ZEN-20C1DT-
D-V1
Right Side
Expansion Unit
connector cover.
Remove this cover to
connect Expansion Unit.
11