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5 DATA USED FOR POSITIONING CONTROL
Storage item
Md.41
Special start repetition
counter
Md.42
Control system repetition
counter
Md.43
Start data pointer being
executed
Md.44
Positioning data No. being
executed
Md.45
Block No. being executed
Md.46
Last executed positioning
data No.
Md.47
Positioning data being
executed
Md.48
Deceleration start flag
This area stores the remaining number of repetitions during "repetitions" specific
to special starting.
The count is decremented by one (-1) at the loop end.
The control comes out of the loop when the count reaches "0".
This area stores "0" within an infinite loop.
This area stores the remaining number of repetitions during "repetitions" specific
to control system.
The count is decremented by one (-1) at the loop end.
The control comes out of the loop when the count reaches "0".
This area stores "0" within an infinite loop.
This area stores a point No. (1 to 50) attached to the start data currently being
executed.
This area stores "0" after completion of a positioning operation.
This area stores a positioning data No. attached to the positioning data currently
being executed.
When the operation is controlled by "block start data", this area stores a block
number (7000 to 7004) attached to the block currently being executed.
At other times, this area stores "0".
This area stores the positioning data No. attached to the positioning data that was
executed last time.
The value is retained until a new positioning operation is executed.
The addresses shown to the right store details of the positioning data currently
being executed (positioning data No. given by
"1" is stored when the constant speed status or acceleration status switches to the
deceleration status during position control whose operation pattern is "Positioning
complete".
"0" is stored at the next operation start or manual pulse generator operation
enable.
5 - 108
Storage details
Md.44
).
MELSEC-Q
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Troubleshooting
