Mitsubishi Electric MELSEC-Q QD75M User Manual page 650

14 DEDICATED INSTRUCTIONS
PLC program
PSTRT instruction
Complete device
Complete state display
device
[Errors]
[Precautions]
END END
processing processing
ON
OFF
OFF
OFF
(1) When an PSTRT
((D)+1) is turned ON, and the error code is stored in the complete status ((S)+1).
Check and take a measure against the error referring to Section 15.2 "List of error
codes".
(1) If the positioning is started by the PSTRT
(Y10 to Y13) will not turn ON.
Confirm the operation during the positioning control using the PSTRT
instruction and busy signals (XC to XF).
(2) If the stop instruction is input before completion of the positioning which has been
started by the PSTRT
to complete execution of the PSTRT
(3) The following dedicated instructions cannot be executed simultaneously for the
same axis.
(Can be executed simultaneously for different axes.)
• Positioning start instructions (PSTRT1 to PSTRT4)
• Teaching instructions (TEACH1 to TEACH4)
(4) The PSTRT instruction can only be executed when the QD75 READY signal
(X0) is turned ON.
Even if the PSTRT
READY signal is turned OFF, the PSTRT
processed.)
Before executing the PSTRT
and turn ON the QD75 READY signal (X0).
(5) When the remote I/O station
I/O module) is used, the dedicated instruction (PSTRT ) is unusable.
: For details of the remote I/O station, refer to Q Corresponding MELSECNET/H
Network System Reference Manual (Remote I/O Network).
PSTRT instruction
execution completion
instruction is completed abnormally, the error complete signal
instruction, the completion device (D) turns the 1-scan ON
instruction.
instruction execution request is given when the QD75
instruction, turn ON the PLC READY signal (Y0),
(Q Corresponding MELSECNET/H network remote
14 - 5
END
processing
ON
When
completed
ON
abnormally
When
completed normally
1 scan
instruction, the positioning start signals
instruction will not be executed. (not
MELSEC-Q
END
processing
start