Mitsubishi MELSEC-Q QD77MS, User Manual

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Chapter 9 Major Positioning Control
[2] 1-axis linear control (INC linear 1)
Operation chart
In incremental system 1-axis linear control, positioning is carried out from the
current stop position (start point address) 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.
Reverese direction
Forward direction
Start point address
(current stop position)
Movement direction for
a negative movement amount Movement direction for
a positive movement amount
-3000 -2000 5000
Positioning control in the reverse direction (movement amount -7000)
Stop address after the positioning control
Start point address
(current stop position)
-1000 0 1000 2000 3000 4000 6000
Example
When the start point address is 5000, and the movement amount is -7000, positioning is carried out to
the -2000 position.