422
9.2.16
3-axis speed control
In "3-axis speed control" ("[Da.2] Control system" = Forward run: speed 3, Reverse run: speed 3), control is carried out
in the 3-axis direction in which the positioning data has been set by continuously outputting pulses for the speed set in
"[Da.8] Command speed" until the input of a stop command.
The two types of 3-axis speed control are "Forward run: speed 3" in which the control starts in the forward run
direction, and "Reverse run: speed 3" in which control starts in the reverse run direction.
(Refer to
Page 359, Section 9.1.6 for the combination of the reference axis with the interpolation axis.)
(1) Operation chart
The following chart shows the operation timing for 3-axis (axes 1, 2, and 3) speed control with axis 1 as the
reference axis.
The "in speed control" flag ([Md.31] Status: b0) is turned ON during speed control.
The "positioning complete signal" is not turned ON.
t
V
BUSY signal
[XC,XD,XE]
OFF
ON
Positioning start signal
[Y10]
OFF
ON
Positioning complete signal
[X14,X15,X16]
OFF
Axis stop signal
(stop command)
(Either Y4,Y5 or Y6)
OFF
ON
Does not turn ON even
when control is stopped
by stop command.
Status: b0
OFF
ON
Md.31
In speed control flag
Da. 8
Referense axis (axis 1)
t
V
Da. 8
Interpolation axis (axis 2)
t
V
Command speed
Da. 8
Interpolation axis (axis 3)
Command speed
Command speed
Содержание MELSEC-L LD75D
Страница 1: ...MELSEC L LD75P LD75D Positioning Module User s Manual LD75P1 LD75P2 LD75P4 LD75D1 LD75D2 LD75D4 ...
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Страница 11: ...9 Memo ...
Страница 47: ...45 CHAPTER 2 SYSTEM CONFIGURATION 2 2 1 General Image of System 1 When connected to a CPU module ...
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Страница 267: ...265 CHAPTER 6 PROGRAM USED FOR POSITIONING CONTROL 6 6 4 Positioning Program Examples ...
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Страница 271: ...269 CHAPTER 6 PROGRAM USED FOR POSITIONING CONTROL 6 6 4 Positioning Program Examples ...
Страница 272: ...270 Z ABRST1 instruction execution ...
Страница 273: ...271 CHAPTER 6 PROGRAM USED FOR POSITIONING CONTROL 6 6 4 Positioning Program Examples ...
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Страница 685: ...683 APPENDICES A Appendix 1 Function Update Appendix 1 1 Function comparison Memo ...
Страница 738: ...736 Memo ...
Страница 806: ...804 5 LD75D2 Unit mm 6 LD75D4 Unit mm 45 4 90 4 95 4 45 45 DIN rail center 45 4 90 4 95 4 45 45 DIN rail center ...
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