12 - 7
MELSEC-A
12 CONTROL AUXILIARY FUNCTIONS
(d) Setting the dwell time for a zero point return retry
With the zero point return retry function, the dwell time can be set for
reverse run operation started at detection of the upper/lower limit signal and
for a machine zero point return executed after a stop by near-point dog OFF
when a zero point return retry is made.
" Pr.58 Dwell time during zero point return retry" is made valid when the
operation stops in position "A" of the following figure. (The dwell times in
positions A and B are the same values.)
Machine zero point return
executed again
Near-point dog
Zero point
Stop by near-point
dog OFF
Stop by limit
signal detection
Reverse run operation
after limit signal detection
B
Zero point
Zero point return direction
Machine zero point
return start
A
Limit signal OFF
Pr.46
Fig. 12.4 Setting the dwell time during a zero point return retry
Содержание A1SD75M1
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Страница 673: ...Appendix 5 MELSEC A APPENDICES Axis address mm inch degree pulse Axis address mm inch degree pulse...
Страница 679: ...Appendix 11 MELSEC A APPENDICES Initial value Axis 1 Axis 2 Axis 3 Remarks 0 0 0 1 1 0 0 0 0 0 300 0 0 0...
Страница 683: ...Appendix 15 MELSEC A APPENDICES Initial value Axis 1 Axis 2 Axis 3 Remarks 0 0 1 0 0 50 80 0 0 980...
Страница 691: ...Appendix 23 MELSEC A APPENDICES Initial value Axis 1 Axis 2 Axis 3 Remarks 0 0 0 0 0 50 80 0 0 0 0 0 980 4000 0...
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