Customizable Counter Unit Operation; Operation Flowchart - Omron Sysmac CS1 Operation Manual

Customizable Counter Unit Operation

8-1

Customizable Counter Unit Operation

8-1-1 Operation Flowchart

Set error flags and
activate indicators.
ERROR or ALARM?
ERROR
(lit)
110
This section explains the internal processing of the Customizable Counter Unit
The overall flow of Customizable Counter Unit operation is as shown in the fol-
lowing flowchart.
Power application
Initialization of I/O, Work, AR, other
memory areas, timers (preset) and
CPU Unit communications.
Check hardware and
Program Memory.
No
ALARM
(flashing)
Execute user's program.
Check cycle time setting.
Wait until minimum cycle
time expires.
Compute cycle time and preset
cycle monitoring time.
Refresh contact I/O, special I/O,
and then CPU Unit communica-
tions.
Peripheral servicing
Note The cycle time and scan time are the same.
Check OK?
Yes
No
End of program?
Yes
No
Minimum
cycle time?
Yes
Section 8-1
Initialization
Overseeing
processes
Program
execution
Cycle time
processing
I/O refresh
in Unit
Peripheral
servicing