beautypg.com

Melsec-q, 5 data used for positioning control – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 194

background image

5 - 106

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.