Mitsubishi Electric MELSEC-Q QD75M - Page 28

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MELSEC-Q
1 PRODUCT OUTLINE
(3) Fixed-feed control
This performs positioning for the specified increment of travel. The fixed-feed
control includes 1-axis control and 2-axis control through linear interpolation
using the specified two axes.
Stop position
[1-axis fixed-feed control]
Positioning direction
V
Start
t
ON
OFF
Start
command
Operation timing
Travel along axis 2
Reverse
direction
Stop position
Movement direction for
a positive movement amount
Positioning
direction
Travel along
axis 1
[2-axis fixed-feed control]
Forward directionReverse direction
Forward
direction
Forward
direction
Reverse
direction
Movement direction for
a negative movement amount
(4) Speed control
After command is executed, control continues with the command speed until the
stop command is input.
V
t
ON
ON
ON
OFF
OFF
OFF
Positioning start
signal
BUSY signal
Axis stop signal
(By the PLC
program creation)