Omron ZEN Quick Guide

3 Handling the Equipment ZEN Programmable Logic Module
OMRON ELECTRONICS, S.A. Page 10
3.9. Adjusting LCD Screen Contrast
Use the following procedure to adjust the LCD contrast when it is difficult to
view the screens.
Press the OK key to view the current
contrast setting. This will be displayed in
the form of a bar graph (5 levels).
A blank level shows that this setting has
not been reached.
Press the OK key again to a flashing cursor
to vary the contrast. The contrast setting
can be changed using the Up/Down or
Right/Left keys.
Pressing the OK key once again requests
confirmation of the new setting. If pressed,
it will be confirmed. Pressing the ESC key
will exit the Contrast Menu with no
changes being made.
Press the OK key to display the current
backlight time.
Press the OK key again to a flashing
cursor to change this time.
Use the Up/Down keys to select
activation time.
Press the OK key to confirm the
settings. Press again to complete
the settings.

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