Mitsubishi Electric MELSEC-Q QD75M User Manual page 470

9 MAJOR POSITIONING CONTROL
Setting item
Cd.3
Positioning start No.
Cd .9
Current value changing
Refer to Section 5.7 "List of control data" for details on the setting details.
Positioning start signal
PLC READY signal
QD75 READY signal
Start complete signal
BUSY signal
Positioning complete signal
Error detection signal
Fig. 9.21 Changing to a new current value using the start No. (No. 9003) for a current value changing
Setting method for the current value changing function
The following shows an example of a PLC program and data setting to change the
current value to a new value with the positioning start signal. (The "
Current feed value is changed to "5000.0 µ m" in the example shown.)
(1) Set the following data.
(Set with the PLC program shown in (3), while referring to the start time chart
shown in (2).)
Setting
value
9003
50000
(2) The following shows a start time chart.
V
[Y10]
[Y0]
[X0]
[X10]
[XC]
[X14]
[X8]
Md.20 Current feed value
Cd.3 Positioning start No.
Cd.9 Current value changing
Setting details
Set the start No. "9003" for the new current value.
Md.20
Set the new " Current feed value".
Address during positioning execution
Data No. during positioning execution
9 - 109
MELSEC-Q
Md.20
Buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
1500 1600 1700 1800
1506 1606 1706 1806
1507 1607 1707 1807
Start of data No. 9003
t
50000
9003
50000