Speed Change - Mitsubishi Electric FATEC MELSEC iQ-R Training Manual

6.6.7

Speed change

This program is designed to change the speed in three stages during positioning and
temporarily stop the positioning operation.
The speed can be changed to the speed selected on the demonstration machine operation
panel during standby point positioning, point selection positioning, address indirect
specification positioning, continuous positioning (1), continuous positioning (2), teaching/
teaching playback and fixed-feed/fixed-feed stepping operation.
(1) Control data
[Cd.14] New speed value
*1. The speed is set to the speed selected on the demonstration machine operation panel.
POINT
When the speed is changed, the module FB "M+RD77_ChangeSpeed" writes the value selected
on the demonstration machine operation panel in "[Cd.14] New speed value."
(2) Program example
[1] Speed change condition item
Speed change
command input
Buffer memory address
Item
Condition item
M20
M21
M22
M23
Axis 1
4314 0.00, 500.00, 1000.00, 2000.00
4315
Speed change (2000 mm/min)
Speed change (1000 mm/min)
Speed change (500 mm/min)
Temporary stop (0 mm/min)
6-36
Setting range
(mm/min)
*1
Axis 1