Mitsubishi Electric MELSEC iQ-R-RD75P4 User Manual page 260

Setting the function from the CPU module
The following shows the data setting and a program example for changing the target position of the axis 1 by the command
sent from the CPU module. (In this example, the target position is changed to 300.0m and the command speed is changed
to 10000.00mm/min.)
• Set the following data.
Setting item
[Cd.27] Target position change
value (new address)
[Cd.28] Target position change
value (new speed)
[Cd.29] Target position change
request flag
For details on the settings, refer to the following.
Page 478 [Cd.27] Target position change value (new address)
Page 478 [Cd.28] Target position change value (new speed)
Page 478 [Cd.29] Target position change request flag
• The following shows the time chart of the target position change.
[Y10]
Positioning start signal
[Y0]
PLC READY signal
[X0]
RD75 READY signal
[X10]
Start complete signal
[XC]
BUSY signal
Positioning complete
[X14]
signal
[X8]
Error detection signal
Cd.27
Cd.28
Cd.29
• Add the following program to the control program, and write it to the CPU module.
Page 511 Target position change program
7 CONTROL SUB FUNCTIONS
258
7.5 Functions that Change Control Details
Setting Setting detail
value
3000 Set the new address.
1000000 Set the new speed.
1 Set 1: Change target position.
V
Target position change value
(new address)
Target position change value
(new speed)
Target position change request
flag
3000
1000000
0 1 0
Buffer memory address
Axis 1 Axis 2 Axis 3
1534 1634 1734
1535 1635 1735
1536 1636 1736
1537 1637 1737
1538 1638 1738
Dwell time
t
Axis 4
1834
1835
1836
1837
1838