Mitsubishi Electric MELSEC-L LD75D, User Manual

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(2) Restrictions
• The axis error "Continuous path control not possible" (error code: 516) will occur and the operation cannot
start if "continuous path control" is set in "[Da.1] Operation pattern". ("Continuous path control" cannot be set
in fixed-feed control.)
• If the movement amount of each axis exceeds "1073741824 (=2
30
)" when "0: Composite speed" is set in
"[Pr.20] Interpolation speed designation method", the error "Outside linear movement amount range" (error
code: 504) occurs at a positioning start and positioning cannot be started. (The maximum movement amount
that can be set in "[Da.6] Positioning address/movement amount" is "1073741824 (=2
30
)".)
• "Fixed-feed" cannot be set in "[Da.2] Control system" in the positioning data when "continuous path control"
has been set in "[Da.1] Operation pattern" of the immediately prior positioning data. (For example, if the
operation pattern of positioning data No. 1 is "continuous path control", fixed-feed control cannot be set in
positioning data No. 2.) The axis error "Continuous path control not possible" (error code: 516) will occur and
the machine will carry out a deceleration stop if this type of setting is carried out.
(3) Positioning data setting example (Reference axis is designated as axis 1.)
The following table shows setting examples when "3-axis fixed-feed control (fixed-feed 3)" is set in positioning
data No. 4 of axis 1. (The required values are also set in positioning data No. 1 of axis 2 and axis 3.)
Refer to

Page 152, Section 5.3 for information on the setting details.
Setting item
Axis 1
(reference axis)
setting
example
Axis 2
(interpolation
axis) setting
example
Axis 3
(interpolation
axis) setting
example
Setting details
Positioning
data No.1
[Da.1] Operation pattern
Positioning
complete
 
Set "Positioning complete" assuming that the next
positioning data will not be executed.
[Da.2] Control system Fixed-feed 3   Set 3-axis fixed-feed control.
[Da.3]
Acceleration time
No.
1  
Designate the value set in "[Pr.25] Acceleration time
1" as the acceleration time at start.
[Da.4]
Deceleration time
No.
0  
Designate the value set in "[Pr.10] Deceleration time
0" as the deceleration time at deceleration.
[Da.5]
Axis to be
interpolated
  
Setting not required. (Setting value will be ignored.)
When axis 1 is used as a reference axis, the
interpolation axes are axes 2 and 3.
[Da.6]
Positioning
address/movement
amount
10000.0

m 5000.0

m 6000.0

m
Set the movement amount. (Assuming "mm" is set in
"[Pr.1] Unit setting".)
[Da.7] Arc address
  
Setting not required. (Setting value will be ignored.)
[Da.8] Command speed 6000.00mm/min
 
Set the speed during movement.
[Da.9] Dwell time 500ms  
Set the time the machine dwells after the positioning
stop (pulse output stop) to the output of the
positioning complete signal.
[Da.10] M code 10  
Set this when other sub operation commands are
issued in combination with the No. 1 positioning
data.