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MELSEC-Q
5 DATA USED FOR POSITIONING CONTROL
Storage item Storage details
Md.36
Special start data instruction
code setting value
•
The " instruction code" used with special start and indicated by the start data
pointer currently being executed is stored.
Md.37
Special start data instruction
parameter setting value
The " instruction parameter" used with special start and indicated by the start data
pointer currently being executed is stored.
The stored value differs according to the value set for
Md.36
.
Md.38
Start positioning data No.
setting value
•
The "positioning data No." indicated by the start data pointer currently being
executed is stored.
Md.39
In speed limit flag
•
If the speed exceeds the "
Pr.8
Speed limit value" 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", or when the axis
stops, the in speed limit flag turns OFF.
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.