Omron G9SP Series - Page 40

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Specifications for All Function Blocks Section 3-2
The discrepancy time will be reset when input 1 and input 2 are inactive, and
calculation will start when the status of input 1 and input 2 become discrepant.
Operation at Discrepancy
Error Detection
The following function block errors will be displayed if there is a discrepancy
error.
• Output Enable turns OFF.
• Discrepancy Error turns ON.
• Fault Present turns ON.
Resetting Discrepancy
Errors
All the following conditions are required to reset a discrepancy error.
Remove the cause of the error.
• Make the input active and then inactive again.
• Change the G9SP-series Controller's operating mode to IDLE Mode and
then back to RUN Mode.
Priority for Discrepancy
Errors and Normal Inputs
If a discrepancy error and normal input occur in the same cycle, the normal
input will be given priority, and there will be no discrepancy error.
Input 1
Input 2
Discrepancy
Error
Discrepancy Time
Discrepancy Time
Discrepancy
Timer
Start of operation
Input 1
Input 2
Discrepancy
Error
Discrepancy Time
Discrepancy
Timer