Omron CJ - INSTRUCTIONS Reference Manual page 1070

3. Instructions
Flags
Name
Error Flag
Carry Flag
Related Auxiliary Area Words and Bits
Name
FAL Error Flag
Executed FAL Number Flags
Error Log Area
Error code
FPD Teaching Bit
Function
FPD(269) performs time monitoring and logic diagnosis.
The next block is diagnosed at the following point.
Next instruction block
Note *The logic diagnosis block begins with the first LD (not LD TR) or LD NOT instruction after FPD(269) and
ends with the first OUT (not OUT TR) or other right-hand instruction.
1032
Label
ER • ON if C is not within the specified range of 0000 to 01FF or 8000 to 81FF.
• ON if T is not within the specified range of 0000 to 270F.
• OFF in all other cases.
CY • ON if the diagnostic output is still OFF after the monitoring time has elapsed.
• OFF in all other cases.
Address
A402.15 ON when a non-fatal (FAL) error is registered in time monitoring.
A360.01 to When a non-fatal (FAL) error is registered in time monitoring, the corresponding flag will be turned ON.
A391.15 Flags A36001 to A39115 correspond to FAL numbers 0001 to 01FF.
A100 to A199 The Error Log Area contains the error codes and time/date of occurrence for the most recent 20 errors,
including errors generated by FPD(269).
A400 When an error occurs its error code is stored in A400. The error codes for FAL numbers 0001 to 01FF
are 4101 to 42FF, respectively.
If two or more errors occur simultaneously, the error code of the most serious error will be stored in
A400.
A598.00 Turn this bit ON when you want the monitoring time to be set automatically (teaching function) when
FPD(269) is executed.
Time monitoring function:
Starts timing when execution condition A goes ON.
Generates a non-fatal error if output B isn't turned
ON within the monitoring time.
Execution
condition A
Logic diagnosis block*
Logic diagnosis
execution condition C
Logic diagnosis function
Determines which input in C prevents
output B from going ON.
Operation
Operation
T
R
Error-processing
block (optional)
Diagnostic output B
CS/CJ/NSJ Series Instructions Reference Manual (W474)