Mitsubishi A1SD75M1, User Manual

Page: 418 / 746

9 - 60
MELSEC-A
9 MAIN POSITIONING CONTROL
Setting method for the current value change function
The following shows an example of a sequence program and data setting to
change the current value to a new value with the positioning start signal. (The
" Md.29 Current feed value is changed to "5000.0
µ
m" in the example shown.)
(1) Set the following data.
(Set with the sequence program shown in (3), while referring to the start time
chart shown in (2).)
Buffer memory address
Setting item
Setting
value
Setting details
Axis 1 Axis 2 Axis 3
Cd.15
New current value
50000 Set the new " Md.29 Current feed value".
1154
1155 1204
1205 1254
1255
Cd.11
Positioning start
No.
9003
Set the start No. "9003" for the current value
change.
1150 1200 1250
* Refer to section "5.7 List of control data" for details on the setting details.
(2) The following shows a start time chart.
Positioning start signal
PLC READY signal
AD75 READY signal
Start complete signal
BUSY signal
Positioning complete signal
9003
V
t
Error detection signal
50000
Start of data No. 9003
Data No. during positioning execution
Address during positioning execution
Md.29 Current feed value
Cd.11 Positioning start No.
Cd.15 New current value
50000
[Y10]
[Y1D]
[X0]
[X1]
[X4]
[X7]
[XA]
Fig. 9.13 Current value change using the start No. (No. 9003) for a current value change