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CHAPTER 12 CONTROL SUB FUNCTIONS
12
12.
3 F
unct
ions
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r Compens
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ing t
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12.3.4
Output timing selection of near pass control
The function "output timing selection of near pass control" allows the user to select the timing to output the difference
(
l) between the actual and the set positioning end addresses in continuous path control, in which the difference (
l) is
output during the execution of the next positioning data.
The details shown below explain about the function "output timing selection of near pass control".
• Control details
• Control precautions
• Setting method
(1) Control details
There are two options for an output timing of near pass control: "At constant speed" and "At deceleration".
• At constant speed: The distance
l is output when the next positioning data is executed in constant speed.
• At deceleration: The distance
l is output when the next positioning speed decelerates from V1 to V2.
When "At constant speed" is selected in a condition where the specified speed of positioning data No.1 and No.2
are "V1 > V2", the distance
l is output when the next positioning data is executed in constant speed; therefore,
the positioning execution time is extended.
When "At deceleration" is selected, the positioning execution time is not extended and remains the same as it
was set.
Summary of Contents for MELSEC-L LD75D
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Page 267: ...265 CHAPTER 6 PROGRAM USED FOR POSITIONING CONTROL 6 6 4 Positioning Program Examples ...
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Page 685: ...683 APPENDICES A Appendix 1 Function Update Appendix 1 1 Function comparison Memo ...
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