9 - 13
MELSEC-Q
9 MAJOR POSITIONING CONTROL
[When the speed cannot change over in P2]
When the relation of the speeds is P1 =
P4, P2 = P3, P1 < P2.
[When the movement amount is small during
automatic deceleration]
The movement amount required to carry out the
automatic deceleration cannot be secured, so the
machine immediately stops in a speed
≠
0 status.
P1
P2
P3
P4
Positioning address.
(b) Front-loading speed switching mode
1)
If the respective command speeds differ in the "positioning data
currently being executed" and the "positioning data to carry out
the next operation", the speed will change over to the speed set in
the "positioning data to carry out the next operation" at the end of
the "positioning data currently being executed".
2)
The parameters used in acceleration/deceleration to the
command speed set in the "positioning data to carry out the next
operation" are those of the positioning data to carry out
acceleration/deceleration.
Speed switching will not be carried out if the command speeds
are the same.
OFF
ON
OFF
ON
OFF
ON
OFF
ON
11
11
11
01
00
V
Dwell time
t
Da. 1 Operation pattern
Start complete signal
BUSY signal
Positioning complete signal
Positioning start signal
Positioning
[Y10, Y11, Y12, Y13]
[X10, X11, X12, X13]
Dwell time
[XC, XD, XE, XF]
[X14, X15, X16, X17]
Fig. 9.5 Operation for the front-loading speed switching mode
Summary of Contents for QD75MH1
Page 17: ...A 16 MEMO ...
Page 19: ...MEMO ...
Page 66: ...3 11 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO ...
Page 97: ...4 18 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO ...
Page 102: ...5 5 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 110: ...5 13 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 116: ...5 19 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 120: ...5 23 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 124: ...5 27 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 158: ...5 61 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 196: ...5 99 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 202: ...5 105 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 208: ...5 111 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 269: ...5 172 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 290: ...6 21 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 291: ...6 22 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 292: ...6 23 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 293: ...6 24 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 320: ...6 51 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 348: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 352: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 363: ...MEMO ...
Page 495: ...9 116 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 557: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO ...
Page 689: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 751: ...Appendix 2 MELSEC Q APPENDICES MEMO ...