Omron ZEN V2 - Page 22

22 Programmable Relay ZEN V2 Units
Example Calculation of Ladder Program Execution Time
6. Weekly Timer Operation (Only for Standard LCD-type, Economy-type, and Communications-
type CPU Units)
7. Calendar Timer Operation (Only for Standard LCD-type, Economy-type, and
Communications-type CPU Units)
Weekly timer
mode
Operation
NNormal
operation
Typical Timer Operation Between Tuesday and Friday every week, the
weekly timer bit turns ON from 08:15 until
17:30.
Timer Operation Extending Past Midnight Between Tuesday and Friday every week, the
weekly timer bit turns ON from 23:00 until 05:00
the following day.
D Multiple-
day
operation
The weekly timer bit turns ON from Tuesday
08:15 until Friday 17:30 every week.
PPulse-
output
operation
Every week, from Tuesday through Friday, the
weekly timer bit turns ON for 15 minutes and
thirty seconds from 08:15.
[Q0
[Q1
TT0
[Q2
00
01
02
03
04
I0 I1 I2
Q0
I3
I4
@0 P0 T0
Ladder program execution time =
*5: P0
*4: @0
*3: T0 (output)
*2: Q (outputs) for 3 points
*1: For 5 lines
(30 × 5) + (4 × 3) + 15 + 4 + 7 = 188 (µs)
Mon
24:00
17:30
8:15
0:00
Weekly timer bit
Stop time
Start time
Tues Wed
Date setting
Thurs Fri Sat Sun
Time setting
Mon
24:00
23:00
5:00
0:00
Start time
Stop time
Tues Wed
Date setting
Thurs Fri Sat Sun
Weekly timer bit
Time setting
Mon
24:00
17:30
8:15
0:00
Stop time
Start time
Tues Wed
Date setting
Thurs Fri Sat Sun
Weekly timer bit
Time setting
Mon
24:00
8:15
0:00
Start time
Tues Wed
Date setting
Thurs Fri Sat Sun
Weekly timer bit
Time setting
Operation time setting:
15 minutes, 30 seconds
The calendar timer bit is ON between 1 A
p
ril and 31 Au
g
ust.
Jan 1
Start date
End date
Dec 31
Calendar timer bit
Sep 1
Apr 1