Mitsubishi MELSEC-Q Series User Manual page 243

14
DEDICATED INSTRUCTIONS
Sequence program
ZP.DSTRT instruction
Completion device
Completion status display device
(4) Error
(5) Precautions
1) Completion device ((D) +0)
Turns ON at END processing in the scan where the ZP.DSTRT
completed, and turns OFF at the next END processing.
2) Completion status display device ((D) +1)
Turns ON/OFF according to the status when the ZP.DSTRT
completed.
• Normal completion: Remains OFF.
• Error completion: Turns ON at END processing in the scan where the
ZP.DSTRT instruction is completed, and turns OFF at the next END
processing. (Same ON/OFF operation as a completion device.)
END processing END processing
ON
OFF
OFF
OFF
At error completion of the ZP.DSTRT
turns ON and the error code is stored in the completion status ((S) +1).
Refer to the error code list in Section 15.2.1, check the error and take corrective
action.
(a) When the positioning control is started with the ZP.DSTRT
positioning start signal (Y8 to YA) and the start complete signal (X8 to XA) do not
turn ON.
Check the positioning control operation status with the ZP.DSTRT
command and the BUSY signal (X8 to XA).
If the "Command speed" of ((S) +4, (S) +5) exceeds the speed limit value, an
operation is performed with the speed limit value. If the "Command speed" is
lower than the bias speed, an operation is performed with the bias speed.
(b) After the control has been started with the ZP.DSTRT
command is entered without completing positioning, the completion device (D)
turns ON for one scan and the ZP.DSTRT
Completion of the ZP.DSTRT
instruction execution
instruction, the error completion signal ((D) +1)
instruction execution ends.
14.4 ZP.DSTRT1, ZP.DSTRT2, ZP.DSTRT3
instruction is
instruction is
END processing END processing
ON
ON
Error completion
Normal
completion
One scan
instruction, the
start
instruction, if the stop
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