6 - 71
MELSEC-Q
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
[2] Types of stop processes
The operation can be stopped with deceleration stop, sudden stop or immediate
stop.
(1) Deceleration stop 1
The operation stops with "deceleration time 0 to 3" (
Pr.10
,
Pr.28
,
Pr.29
,
Pr.30
).
Which time from "deceleration time 0 to 3" to use for control is set in positioning
data ( Da.4 ).
(2) Sudden stop
The operation stops with "
Pr.36
Sudden stop deceleration time".
(3) Servo OFF or free run (The operation stops with dynamic brake or
electromagnetic brake.)
The operation does not decelerate.
The QD75 immediately stops the command, but the operation will coast for the
droop pulses accumulated in the servo amplifier deviation counter.
Actual deceleration time
Set deceleration time
Positioning speed
Actual sudden stop
deceleration time
Pr. 36 Sudden stop
deceleration time
Coast for the droop pulses accumulated
in the servo amplifier deviation counter.
Positioning speed
Positioning speed
Fig. 6.15 Types of stop processes
REMARK
1 "Deceleration stop" and "sudden stop" are selected with the details parameter 2
"stop group 1 to 3 sudden stop selection". (The default setting is "deceleration
stop".
)
Summary of Contents for QD75M1
Page 17: ...MEMO...
Page 71: ...3 20 MELSEC Q 3 SPECIFICATIONS AND FUNCTIONS MEMO...
Page 87: ...4 16 MELSEC Q 4 INSTALLATION WIRING AND MAINTENANCE OF THE PRODUCT MEMO...
Page 98: ...5 11 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
Page 104: ...5 17 MELSEC Q 5 DATA USED FOR POSITIONING CONTROL MEMO...
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Page 328: ...7 7 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 332: ...7 11 MELSEC Q 7 MEMORY CONFIGURATION AND DATA PROCESS MEMO...
Page 339: ...MEMO...
Page 529: ...11 36 MELSEC Q 11 MANUAL CONTROL MEMO...
Page 621: ...12 92 MELSEC Q 12 CONTROL SUB FUNCTIONS MEMO...
Page 647: ...14 18 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO...
Page 755: ...Appendix 2 MELSEC Q APPENDICES MEMO...
Page 758: ...Appendix 5 MELSEC Q APPENDICES Axis address mm inch degree PLS Axis address mm inch degree PLS...
Page 879: ...Index 14 MEMO...