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Chapter 9 Major Positioning Control
Setting method for the current value changing 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.20] Feed current value" value is changed to "5000.0
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).)
Setting item
Setting
value
Setting details Buffer memory address
[Cd.3] Positioning start No. 9003 Set the start No. "9003" for the new current value. 4300+100n
[Cd.9] New current value 50000 Set the new "[Md.20] Feed current value".
4306+100n
4307+100n
(Note): Refer to Section 5.7 "List of control data" for details on the setting details.
(2) The following shows a start time chart.
9003
V
t
50000
Start of data No. 9003
Data No. during positioning execution
Address during positioning execution
Md.20 Feed current value
Cd.3 Positioning start No.
50000
Positioning start signal [Y10]
PLC READY signal [Y0]
READY signal [X0]
BUSY signal [X10]
Cd.9 New current value
Start complete signal
( Md.31 Status:b14)
Positioning complete signal
( Md.31 Status:b15)
Error detection signal
( Md.31 Status:b13)
Fig. 9.21 Changing to a new current value using the start No. (No. 9003) for a current value changing
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