Creating Ladder Programs - Omron ZEN Operation Manual

Creating Ladder Programs

!Caution
3-3

Creating Ladder Programs

Example Program
SW1 SW2
Ry
52
If the power supply is turned OFF for an extended period of time
(2 days or more at 25°C), the date and time will return to the
default setting (00/1/1; 00:00 (SA)). This may cause programs
using calendar timers or weekly timers to malfunction. Therefore,
mount a Battery Unit for the system if the power supply is
expected to be interrupted for an extended time. (Refer to
page 96.)
Note
Ry
1. The year can be set between 2000 and
2099.
2. If Summertime is set, "S" will appear at
the top right of the time setting screen
during the Summertime period. (Refer to
page 93.)
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This section explains how to write ladder pro-
grams for LCD-type CPU Units, based on a
simple circuit example.
Refer to the ZEN-SOFT01-V3 ZEN Support
Software Operation Manual (W386) for infor-
mation on programming LED-type CPU
Units.
Section 3-3
"S" displayed during
Summertime period