9 - 103
MELSEC-Q
9 MAJOR POSITIONING CONTROL
Position-speed switching signal setting
The following table shows the items that must be set to use the external command
signals (CHG) as position-speed switching signals.
Buffer memory address
Setting item
Setting
value
Setting details
Axis 1 Axis 2 Axis 3 Axis 4
Pr.42
External
command
function
selection
2
Set the "2: speed-position and
position-speed switching
requests".
62 212 362 512
Cd.8
External
command
valid
1
Set "1: Validate external
command".
1505 1605 1705 1805
Refer to Sections 5.2 "List of parameters" and Section 5.7 "List of control data" for information on the
setting details.
Changing the speed control command speed
In "position-speed switching control", the speed control command speed can be
changed during the position control.
(1) The speed control command speed can be changed during the position control
of position-speed switching control.
A command speed change request will be ignored unless issued during the
position control of the position-speed switching control.
(2) The "new command speed" is stored in "
Cd.25
Position-speed switching
control speed change register" by the PLC program during position control.
This value then becomes the speed control command speed when the
position-speed switching signal turns ON.
Stop signal
t
Speed change
enable
Position-speed switching
signal
ON
OFF
Position
control
Speed
control
Position control start
Position-speed switching control start
0
V2
OFF
Position-speed switching
latch flag
Status: b5
ON
V3
V2 becomes the speed control command speed.
Setting after the position-speed
switching signal ON is ignored.
Position-speed
switching control
speed change register
Md.31
ON
Cd.25
OFF
Fig. 9.20 Speed control speed change timing
Summary of Contents for MELSEC-Q QD75M
Page 1: ...MELSEC Q QD75M Positioning Module User s Manual Details QD75M1 QD75M2 QD75M4 ...
Page 17: ...MEMO ...
Page 64: ...3 11 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO ...
Page 91: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO ...
Page 108: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 112: ...5 21 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 116: ...5 25 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 138: ...5 47 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 182: ...5 91 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 188: ...5 97 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 194: ...5 103 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 253: ...5 162 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO ...
Page 274: ...6 21 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 275: ...6 22 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 276: ...6 23 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 277: ...6 24 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
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Page 305: ...6 52 MELSEC Q 6 PLC PROGRAM USED FOR POSITIONING CONTROL ...
Page 332: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 336: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO ...
Page 347: ...MEMO ...
Page 477: ...9 116 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Page 539: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO ...
Page 663: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Page 771: ...Appendix 2 MELSEC Q APPENDICES MEMO ...
Page 845: ...Appendix 76 MELSEC Q APPENDICES MEMO ...
Page 855: ...Index 10 X X0 QD75 READY 3 15 X1 Synchronization flag 3 15 Z Zero speed Pr 130 5 74 ...