Mitsubishi Electric QJ71E71-100 User Manual page 273

• Completion of the ERRCLR instruction can be checked with Completion device (D1)+0 and (D1)+1.
• Completion device
(D1)+0:
• Completion device
(D1)+1:
[Operation while the ERRCLR instruction is being executed]
Program
ERRCLR instruction
Completion device
Completion device + 1
• The ZP.ERRCLR instruction is executed on the rising edge (OFF ON) of the clear command.
(4) Errors
• If a dedicated instruction ends with an error, Completion device (D1)+1 turns on, and the error code is stored
in Completion status (S1)+1.
(5) Program example
The following shows a sample program that clears the open error code of the connection number 1 (when the I/O
signals of the E71 are X/Y00 to X/Y1F).
Turns on at the END process of the scan where the ERRCLR instruction is
completed and turns off at the next END process.
Turns on and off depending on the completion status of the ERRCLR
instruction.
• Normal completion:
• Abnormal end:
END
Scan Scan
process process
Executed
Clearing the error
CHAPTER 15 DEDICATED INSTRUCTIONS
Stays off and does not change.
Turns on at the END process of the scan where
the ERRCLR instruction is completed and turns off
at the next END process.
END END
Scan
process
Abnormally ended
Specify the open error code of
the connection No.1.
Specify the error code clear.
Execute the ERRCLR instruction.
Process upon completion
(Error information is cleared.)
Process upon abnormal end
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