Melsec-q, 9 major positioning control – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

Page 348

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MELSEC-Q

9 MAJOR POSITIONING CONTROL

Operation chart

In incremental system 3-axis fixed-feed control, the addresses (

Md.20

Current

feed value) of the current stop position (start addresses) of every axes are set to
"0". Linear interpolation positioning is then carried out from that position to a

position at the end of the movement amount set in " Da.6 Positioning

address/movement amount". The movement direction is determined by the sign of
the movement amount.

Designated movement
amount

Designated movement
amount

Md.20

Designated movement amount

" Current feed value" of each axis
is set to "0" at the positioning start.

(0,0,0)

(0,0,0)

(0,0,0)

Y axis

X axis

Z axis

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