Omron ZEN Quick Manual page 33

7 Programming Functions
7.7. Displaying Messages (Display Bits (D))
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Example 1
Monitors operating system
status
Settings details
7.7.1. Settings in the Ladder Program
OMRON ELECTRONICS, S.A.
Note.
1. Press the ALT key to switch comparative data 2 between the
Timer/Counter and the constant.
2. The specification of the time unit can be determined with the type of
Timer/Holding Timer comparison:
a) When a constant has been set as data2, the time unit adjusts
automatically to the set unit in data1.
b) When the time unit is different for both data, it adjusts automatically.
A series of predefined messages, such as the date and the time, timer/counter
present values, analog converted values, etc. can be displayed on the LCD
screen. Multiple message displays can also be shown on the same screen.
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Example 2
Shows the date and time when the
error occurred
Settings details
The message viewer is written in the ladder program edit screen. The settings
are carried out in the parameter settings screen.
Run condition
Display No.
ZEN Programmable Logic Module
Display function
D0 to D7
Page 33