Mitsubishi Electric MELSEC-LD77MS2 User Manual page 559

(2) The following table shows the items that must be set to use the near-point dog
signal (DOG) as speed-position switching signals.
Setting item
Speed-position
Cd.45 switching device
selection
(Note): The setting is not required for "
".
valid
Refer to Section 5.7 "List of control data" for information on the setting details.
(3) The following table shows the items that must be set to use "
position switching command
Setting item
Speed-position
switching device
Cd.45
selection
(Note): The setting is not required for "
".
valid
Refer to Section 5.7 "List of control data" for information on the setting details.
Changing the position control movement amount
In "speed-position switching control (INC mode)", the position control movement
amount can be changed during the speed control section.
(1) The position control movement amount can be changed during the speed
control section of speed-position switching control (INC mode).
A movement amount change request will be ignored unless issued during the
speed control section of the speed-position switching control (INC mode).
(2) The "new movement amount" is stored in "
movement amount change register
control.
When the speed-position switching signal is turned ON, the movement amount
for position control is stored in "
amount change register
(3) The movement amount is stored in the "
positioning movement amount
control changes to position control by the input of a speed-position switching
signal from an external device.
Setting
Setting details
value
Use the near-point dog signal
1 for switching from speed
control to position control
External command function selection
Pr.42
" as speed-position switching signals.
Setting
Setting details
value
Use the "
Speed-position
Cd.46
switching command
2
switching from speed control
to position control
External command function selection
Pr.42
" by the sequence program during speed
Speed-position switching control movement
Cd.23
".
Md.29
" of the axis monitor area from the point where the
9 - 99
Chapter 9 Major Positioning Control
Buffer memory address
LD77MS2
LD77MS4
1566+100n
" and "
Cd.8
Cd.46
Buffer memory address
LD77MS2
LD77MS4
" for
1566+100n
" and "
Cd.8
Speed-position switching control
Cd.23
Speed-position switching control
LD77MS16
4366+100n
External command
Speed-
LD77MS16
4366+100n
External command