Omron ZEN Communications Manual

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Preface
OMRON products are manufactured for use according to proper procedures by a qualified operator and
only for the purposes described in this manual.
The ZEN is a compact and highly functional controller that can be used to easily automate small-scale
applications. Its development has drawn on OMRON's advanced control technology and expertise in
manufacturing various types of controllers.
Version 2 of the ZEN includes Economy-type CPU Units and Communications-type CPU Units. Twin timer
operation and operation between days for weekly timers have been added. Pulse output operation and 8-
digit counters with high-speed counting have also been added, and Expansion I/O Units have been
downsized to half the width.
This manual describes the communications functions of Communications-type CPU Units. When using a
Communications-type CPU Unit, read this manual and be sure to use the communications functions
correctly. Keep the manual close at hand so that you can refer to it whenever necessary.
● Intended Audience
This manual is intended for the following readers.
• Persons in charge of introducing FA devices
• Persons who design FA systems
• Persons who install or connect FA devices
• Persons who manage working FA installations
Persons who use this product must have sufficient knowledge of electrical systems (i.e., an electrical
engineer or the equivalent).

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