Axis Fixed-Pitch Feed Control - Mitsubishi Electric MELSEC Q Series Programming Manual

6 POSITIONING CONTROL

6.10 1 Axis Fixed-Pitch Feed Control

Servo Positioning
instruction method
FEED-1
Incremental
[Control details]
Positioning direction
Current stop position
Reverse
direction
Travel direction
for negative sign
Positioning control for specified axis of specified travel value from the current stop
point.
Fixed-pitch feed control uses the FEED-1servo instruction.
Common
Number of
control axes
1
(1) Positioning control for the specified travel value from the current stop position "0"
is executed.
(2) The travel direction is set by the sign (+/ -) of the travel value, as follows:
• Positive travel value .............Positioning control to forward direction
• Negative travel value............Positioning control to reverse direction
Command speed
Forward
direction
Travel direction
for positive sign
Servo program start
Fig.6.23 1 axis fixed-pitch feed control
POINT
Do not set the travel value to "0" for fixed-pitch feed control.
If the travel value is set to "0", fixed-pitch feed completion without fixed-pitch feed.
Items set using MT Developer2
Arc
(Address increase direction)
(Address decrease direction)
Operation timing
V Fixed-pitch feed by FEED-1 instruction
Travel value
6 - 79
Parameter block Others
: Indicates setting data
(Note)
Speed
change
Valid
: Must be set
: Set if required
t