8 - 2
MELSEC-Q
8 OPR CONTROL
8.1 Outline of OPR control
8.1.1 Two types of OPR control
In "OPR control" a position is established as the starting point (or "OP") when carrying out
positioning control, and positioning is carried out toward that starting point.
It is used to return a machine system at any position other than the OP to the OP when the
QD75 issues a "OPR request" with the power turned ON or others, or after a positioning
stop.
In the QD75, the two types of controls shown below are defined as "OPR control", following
the flow of the OPR work.
These two types of OPR control can be executed by setting the "OPR parameters", setting
"Positioning start No. 9001" and "Positioning start No. 9002" prepared beforehand in the
QD75 to "
Cd.3
Positioning start No.", and turning ON the positioning start signal.
The ZP.PSTRT start numbers of the dedicated instruction can also be set to 9001 or 9002
to execute the OPR control. (For details, refer to CHAPTER 14 "DEDICATED
INSTRUCTIONS".)
(1) Establish a positioning control OP
– "Machine OPR" (positioning start No. 9001)
(2) Carry out positioning toward the OP
– "Fast OPR" (positioning start No. 9002).
The "machine OPR" in (1) above must always be carried out before executing the "fast
OPR" in (2).
REMARK
OPR request
The "OPR request flag" (
Md.31
Status: b3) must be turned ON in the QD75, and a
machine OPR must be executed in the following cases.
•
When the power is turned ON
•
At the ON OFF of the drive unit READY signal (
Md.30
External input/output signal:
b2).
•
At the OFF ON of the PLC READY signal [Y0]
The address information stored in the QD75 cannot be guaranteed while the "OPR
request flag" is ON.
The "OPR request flag" turns OFF and the "OPR complete flag" (
Md.31
Status: b4)
turns ON if the machine OPR is executed and is completed normally.
Содержание Melsec-Q QD75D1
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Страница 60: ...2 12 MELSEC Q 2 SYSTEM CONFIGURATION MEMO ...
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Страница 436: ...9 120 MELSEC Q 9 MAJOR POSITIONING CONTROL MEMO ...
Страница 464: ...10 28 MELSEC Q 10 HIGH LEVEL POSITIONING CONTROL MEMO ...
Страница 638: ...14 24 MELSEC Q 14 DEDICATED INSTRUCTIONS MEMO ...
Страница 647: ...15 9 MELSEC Q 15 TROUBLESHOOTING MEMO ...
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Страница 693: ...Appendix 7 MELSEC Q APPENDICES Axis address mm inch degree pulse Axis address mm inch degree pulse ...
Страница 699: ...Appendix 13 MELSEC Q APPENDICES Initial value Axis 1 Axis 2 Axis 3 Axis 4 Remarks 0 0 0 1 1 0 0 0 0 0 0 300 11 0 0 ...
Страница 836: ...Appendix 150 MELSEC Q APPENDICES Appendix 14 External dimension drawing 1 QD75P1N Unit mm 23 4 27 4 98 90 46 ...
Страница 837: ...Appendix 151 MELSEC Q APPENDICES 2 QD75P2N Unit mm 23 27 4 90 4 98 46 3 QD75P4N 23 27 4 90 4 98 46 Unit mm ...
Страница 838: ...Appendix 152 MELSEC Q APPENDICES 4 QD75D1N 12 90 23 27 4 Unit mm 98 4 46 5 QD75D2N 90 23 27 4 12 98 4 46 Unit mm ...
Страница 839: ...Appendix 153 MELSEC Q APPENDICES 6 QD75D4N 90 23 27 4 12 98 4 46 Unit mm ...
Страница 840: ...Appendix 154 MELSEC Q APPENDICES 7 QD75P1 QD75P2 QD75P4 27 4 23 98 90 4 46 unit mm ...
Страница 841: ...Appendix 155 MELSEC Q APPENDICES 8 QD75D1 QD75D2 QD75D4 27 4 23 90 12 98 4 46 unit mm ...
Страница 842: ...Appendix 156 MELSEC Q APPENDICES MEMO ...
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