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14 DEDICATED INSTRUCTIONS
[Functions]
PLC program
PINIT instruction
Complete device
Complete state display
device
[Errors]
(1) This dedicated instruction is used to return the setting data set in the QD75 buffer
memory and flash ROM to their factory-set data (initial values).
Basic parameters (
Detailed parameters (
OPR basic parameters (
OPR detailed parameters (
Servo parameters ( Pr.100 to Pr.161 )
Positioning data (No.1 to 600)
Block start data (No.7000 to 7004)
(2) The PINIT instruction completion can be confirmed using the complete devices
((D)+0) and ((D)+1).
(a) Complete device ((D)+0)
This device is turned ON by the END processing of the scan for which PINIT
instruction is completed, and turned OFF by the next END processing.
(b) Complete state display device ((D)+1)
This device is turned ON and OFF according to the state in which PINIT
instruction is completed.
• When completed normally
• When completed abnormally : This device is turned ON by the END
END
END
processing
processing
ON
OFF
OFF
OFF
(1) When a dedicated instruction is completed abnormally, the error complete signal
((D)+1) is turned ON, and the error code is stored in the complete status ((S)+1).
Check and take measures against the error referring to section 15.2 List of error
codes.
Setting data
Pr.1
to
Pr.10
)
Pr.11
to
Pr.42
, Pr.200 , Pr.201)
Pr.43
to
Pr.48
)
Pr.49
to
Pr.57
: Kept unchanged at OFF.
processing of the scan for which PINIT
instruction is completed, and turned OFF by
the next END processing. (same ON/OFF
operation as complete device).
PINIT instruction
execution completion
14 - 16
)
END
processing
ON
When
completed
ON
abnormally
When
completed normally
1 scan
MELSEC-Q
END
processing
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