5 DATA USED FOR POSITIONING CONTROL

MELSEC-Q

 

 

Storage item

 

Storage details

 

 

 

 

 

 

 

 

This area stores the remaining number of repetitions during "repetitions" specific

 

 

 

 

to special starting.

 

Md.41

Special start repetition

 

The count is decremented by one (-1) at the loop end.

 

 

counter

 

 

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.

 

Md.42

Control system repetition

 

The count is decremented by one (-1) at the loop end.

 

 

counter

 

 

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

 

Md.43

Start data pointer being

 

executed.

 

 

executed

 

 

This area stores "0" after completion of a positioning operation.

 

 

 

 

 

 

 

 

This area stores a positioning data No. attached to the positioning data currently

 

Md.44

Positioning data No. being

 

 

executed

 

being executed.

 

 

 

 

 

 

 

 

 

 

 

 

When the operation is controlled by "block start data", this area stores a block

 

Md.45

Block No. being executed

 

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

 

Md.46

Last executed positioning

 

 

executed last time.

 

 

data No.

 

 

The value is retained until a new positioning operation is executed.

 

Positioning data being

The addresses shown to the right store details of the positioning data currently

Md.47

 

 

being executed (positioning data No. given by

 

).

 

executed

Md.44

 

 

"1" is stored when the constant speed status or acceleration status switches to the deceleration status during position control whose operation pattern is "Positioning

Md.48 Deceleration start flag

complete".

"0" is stored at the next operation start or manual pulse generator operation enable.

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Image 196
Mitsubishi Electronics QD75P, QD75D user manual Positioning data No. being, Last executed positioning, Executed last time