9 - 91
MELSEC-Q
9 MAJOR POSITIONING CONTROL
Current feed value during speed-position switching control (INC mode)
The following table shows the "
Md.20
Current feed value" during speed-position
switching control (INC mode) corresponding to the "
Pr.21
Current feed value
during speed control" settings.
" Pr.21 Current feed value during
speed control" setting
Md.20 Current feed value
0: Do not update current feed value
The current feed value at control start is maintained during
speed control, and updated from the switching to position
control.
1: Update current feed value
The current feed value is updated during speed control
and position control.
2: Zero clear current feed value
The current feed value is cleared (set to "0") at control
start, and updated from the switching to position control.
t
0
Updated from 0
t
Speed
t
Position control
Maintained
Updated
Speed control
Speed
Position control
Speed control
Speed
Position control
Speed control
Updated
(a) Current feed value not updated
(b) Current feed value updated
(c) Current feed value zero cleared
Switching time from speed control to position control
There is 1ms from the time the speed-position switching signal is turned ON to the
time the speed-position switching latch flag (
Md.31
Status: b1) turns ON.
Speed-position switching signal
OFF
ON
OFF
ON
1ms
Speed-position switching latch flag
Summary of Contents for Melsec-Q QD75D1
Page 1: ......
Page 2: ......
Page 22: ...A 20 MEMO ...
Page 24: ...MEMO ...
Page 41: ...1 17 MELSEC Q 1 PRODUCT OUTLINE MEMO ...
Page 48: ...1 24 MELSEC Q 1 PRODUCT OUTLINE MEMO ...
Page 60: ...2 12 MELSEC Q 2 SYSTEM CONFIGURATION MEMO ...
Page 137: ...5 33 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 232: ...5 128 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 252: ...6 20 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL ...
Page 253: ...6 21 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL ...
Page 278: ...6 46 MELSEC Q 6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL MEMO ...
Page 292: ...MEMO ...
Page 436: ...9 120 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 464: ...10 28 MELSEC Q 10 HIGH LEVEL POSITIONING CONTROL MEMO ...
Page 638: ...14 24 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 647: ...15 9 MELSEC Q 15 TROUBLESHOOTING MEMO ...
Page 686: ...15 48 MELSEC Q 15 TROUBLESHOOTING MEMO ...
Page 839: ...Appendix 153 MELSEC Q APPENDICES 6 QD75D4N 90 23 27 4 12 98 4 46 Unit mm ...
Page 840: ...Appendix 154 MELSEC Q APPENDICES 7 QD75P1 QD75P2 QD75P4 27 4 23 98 90 4 46 unit mm ...
Page 841: ...Appendix 155 MELSEC Q APPENDICES 8 QD75D1 QD75D2 QD75D4 27 4 23 90 12 98 4 46 unit mm ...
Page 842: ...Appendix 156 MELSEC Q APPENDICES MEMO ...
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