13 - 8
Chapter 13 Control Sub Functions
13.2.2 OP shift function
When a machine OPR is carried out, the OP is normally established using the near-
point dog, stopper, and zero signal. However, by using the OP shift function, the
machine can be moved a designated movement amount from the position where the
zero signal was detected. A mechanically established OP can then be interpreted at
that point.
The details shown below explain about the "OP shift function".
[1] Control details
[2] Setting range for the OP shift amount
[3] Movement speed during OP shift
[4] Precautions during control
[5] Setting the OP shift function
[1] Control details
The following drawing shows the operation of the OP shift function.
Machine OPR start
Pr.53 OP shift amount
Speed selected by the" Pr. 56
Speed designation during
OP shift"
Pr.47 Creep speed
Pr. 44 OPR direction
Near-point dog
Pr. 46 OPR speed
Zero signal
Fig. 13.4 OP shift operation
Summary of Contents for MELSEC-Q QD77MS
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Page 458: ...9 25 Chapter 9 Major Positioning Control MEMO...
Page 593: ...10 30 Chapter 10 High Level Positioning Control MEMO...
Page 625: ...11 32 Chapter 11 Manual Control MEMO...
Page 659: ...12 34 Chapter 12 Expansion Control MEMO...
Page 767: ...13 108 Chapter 13 Control Sub Functions MEMO...
Page 813: ...14 46 Chapter 14 Common Functions MEMO...
Page 831: ...15 18 Chapter 15 Dedicated Instructions MEMO...
Page 846: ...16 15 Chapter 16 Troubleshooting MEMO...
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