Omron ZEN User Manual

3
Outline Section 1-1
Refer to page 38.
Future System Expandability
I/O capacity can be expanded to up to 24 inputs and 20 outputs by
connecting 3 Expansion I/O Units.
Refer to page 9 and 37.
Power Failure Countermeasures
EEPROM backs up the program and system settings data when no
power is supplied to the ZEN.
Use a Battery Unit (optional) to back up work bits, holding timers,
counters, and date/time data.
Refer to page 110.
Easy Saving and Copying of Programs
Use an optional Memory Cassette to easily save and copy programs.
Refer to page 111.
Q 4
I 6 I 7 I 8 I 9 I a I b
Q 6 Q 5 Q 7
20C1AR-A-V2
CPU Unit
Expansion I/O Units (up to 3)
12 inputs/8 outputs + (4 inputs/4 outputs)
× 3
Battery
Unit
Ladder program
data/settings.
Memory Cassette
Z211-E1-03.book Page 3 Friday, November 21, 2008 10:38 AM

Omron ZEN Specifications

General

Display	LCD
Mounting Type	DIN Rail
Operating Temperature	-10 to 55°C
Power Supply Voltage	100-240V AC
Output Type	Relay, Transistor
Number of Outputs	4-8
Programming Language	Ladder Logic