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MELSEC-A
9 MAIN POSITIONING CONTROL
Current feed value during speed/position changeover control
The following table shows the " Md.29 Current feed value" during speed/position
changeover control corresponding to the " Pr.22 Current feed value during speed
control" settings.
"
Pr.22 Current feed value during
speed control" setting
Md.29 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 changeover 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 changeover 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
Changeover time from speed control to position control
There is 1ms from the time the speed/position changeover signal is turned ON to
the time the speed/position changeover latch flag ( Md.40 Status: b1) turns ON.
Speed/position changeover signal
OFF
ON
OFF
ON
1ms
Speed/position changeover latch flag
Summary of Contents for A1SD75M1
Page 2: ......
Page 20: ...A 18 MEMO...
Page 22: ...MEMO...
Page 27: ...1 5 MELSEC A 1 PRODUCT OUTLINE MEMO...
Page 42: ...1 20 MELSEC A 1 PRODUCT OUTLINE MEMO...
Page 52: ...2 10 MELSEC A 2 SYSTEM CONFIGURATION MEMO...
Page 111: ...5 21 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 115: ...5 25 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 123: ...5 33 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 127: ...5 37 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 167: ...5 77 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 193: ...5 103 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 276: ...5 186 MELSEC A 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 332: ...7 18 MELSEC A 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 334: ...MEMO...
Page 422: ...9 64 MELSEC A 9 MAIN POSITIONING CONTROL MEMO...
Page 446: ...10 24 MELSEC A 10 ADVANCED POSITIONING CONTROL MEMO...
Page 472: ...11 26 MELSEC A 11 MANUAL CONTROL MEMO...
Page 576: ...12 104 MELSEC A 12 CONTROL AUXILIARY FUNCTIONS MEMO...
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