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Chapter 5 Data Used for Positioning Control
Storage item Storage details
Md.39
In speed limit flag
•
If the speed exceeds the "
Pr.8
Speed limit value" (" Pr.31 JOG speed limit value"
at JOG operation control) due to a speed change or override, the speed limit
functions, and the in speed limit flag turns ON.
•
When the speed drops to less than "
Pr.8
Speed limit value" (" Pr.31 JOG speed
limit value
" at JOG operation control), or when the axis stops, the in speed limit flag
turns OFF.
Refresh cycle: Immediate
Md.40
In speed change processing
flag
•
The speed change process flag turns ON when the speed is changed during
positioning control.
•
After the speed change process is completed or when deceleration starts with the
stop signal during the speed change process, the in speed change process flag
turns OFF.
Refresh cycle: Immediate
Md.41
Special start repetition
counter
•
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.
Refresh cycle: Immediate
Md.42
Control system repetition
counter
•
This area stores the remaining number of repetitions during "repetitions" specific
to control system.
•
The count is decremented by one (-1) at the loop start.
•
The loop is terminated with the positioning data of the control method "LEND",
after the counter be comes "0".
Refresh cycle: Immediate
Md.43
Start data pointer being
executed
•
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.
Refresh cycle: Immediate
Md.44
Positioning data No. being
executed
•
This area stores a positioning data No. attached to the positioning data currently
being executed.
•
This area stores "0" when the JOG/inching operation is executed.
Refresh cycle: Immediate
Md.45
Block No. 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".
Refresh cycle: At start
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