Control Details - Mitsubishi Electric MELSEC Q Series User Manual

8 POSITIONING CONTROL

8.2.2 Control details

(1) ABS linear 1
In absolute system 1-axis linear control, positioning is executed from the start
point address (current stop position) to the end point address (address set in
" Positioning address/movement amount") by using addresses established
Da.6
by OPR.
Example
The start point address is 1000, and the end point address is 8000.
Start point address
(Current stop position)
0 1000
Positioning control (Movement amount 7000)
(2) INC linear 1
In incremental system 1-axis linear control, positioning is executed from the start
point address (current stop position) to a position at the end of the movement
amount set in "
Da.6
addresses established by OPR are used. The movement direction is depended
by a sign of movement amount.
Reverese
direction
Negative movement amount
Example
The start point address is 5000, and the movement amount is -7000.
Address after positioning control
-3000 -2000 -1000
Positioning control in the reverse direction
(Movement amount -7000)
Positioning address/movement amount" by using
0 1000 2000 3000
8 - 7
MELSEC-Q
End point address
(Positioning address)
8000
Start point address
(Current stop position)
Positive movement amount
Start point address
(Current stop position)
4000 5000 6000
Forward
direction