C200H-OC221 Omron, C200H-OC221 Datasheet - Page 21

• Manufacturer Part Number: C200H-OC221
• Description: I/O Module
• Manufacturer: Omron

Specifications of C200H-OC221

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• No. Of Outputs: 8
• No. Of Digital Outputs: 8
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PC Operation Flowchart
How Does a PC Work?
Sets error flag and
lights indicator
Error or alarm?
Error
Alarm
No
resets System counters
Input Unit data to IR area
Checks hardware and
Resets watchdog timer
Clears data areas and
IR data to Output Units
Resets watchdog timer
Resets watchdog timer
Proceses remote I/O
Services peripherals
program memory
Power application
End of program?
Checks I/O Units
Check OK?
Yes
Yes
No
Resets watchdog timer
and program counter
Executes program
End of program?
Yes
Instruction
execution
No
Initial
processing
on power
application
Output
refresh-
ing
Remote
proces-
sing
Servic-
ing
periph-
eral
devices
Common
processes
Input
refreshing
Section
PC
cycle
time
1-3
7