Mitsubishi Electric MELSEC-Q Series - Page 267

6 - 80
6 POSITIONING CONTROL
[Cautions]
(1) The feed current value is changed to "0" at the start.
When fixed-pitch feed control is executed in the absolute position system, the feed
current value that is restored when the control circuit power supply of the servo
amplifier or the Multiple CPU system power supply is turned ON again, may be
different from the feed current value before the power supply was turned ON
again.
[Program]
Program for repetition 1 axis fixed-pitch feed control is shown as the following
conditions.
(1) System configuration
Fixed-pitch feed control of Axis 4.
Positioning start command (PX000)
Positioning end command (PX001)
Q172D
CPU
Q172D
LX
QX41 QY41PQ61P Q03UD
CPU
Motion CPU control module
AMP
M
Axis
1
AMP
M
Axis
2
AMP
M
Axis
4
AMP
M
Axis
3
(2) Fixed-pitch feed control conditions
(a) Positioning conditions are shown below.
Item Setting
Servo program No. No.300
Control axis Axis 4
Control speed 10000
Travel value 80000
(b) Fixed-pitch feed control start command ....... PX000 Leading edge
(OFF
ON)
(c) Fixed-pitch feed control end command ....…. PX001 Leading edge
(OFF
ON)