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291
SECTION 8
Defining the Origin
This section provides information on the various operations used to determine the origin, including origin searches, origin
returns, presetting the present position, calculating phase Z margins, and using the absolute encoder.
8-1
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
292
8-2
Origin Search Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
293
8-2-1
Origin Search Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
293
8-2-2
Origin Search Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
294
8-2-3
Data Settings Required for Origin Search . . . . . . . . . . . . . . . . . . . .
295
8-2-4
Origin Search Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
305
8-2-5
Starting Origin Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
314
8-2-6
Origin Search Preset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
315
8-3
Present Position Preset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
317
8-3-1
Outline of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
317
8-3-2
Data Settings for Present Position Preset . . . . . . . . . . . . . . . . . . . . .
317
8-4
Origin Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
319
8-4-1
Origin Return Data Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
319
8-5
Phase Z Margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
324
8-5-1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
324
8-5-2
Calculating the Phase Z Margin (Example) . . . . . . . . . . . . . . . . . . .
324
8-5-3
Phase Z Margin for Specific Operation Patterns . . . . . . . . . . . . . . .
325
8-6
Absolute Encoder Origin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
326
8-6-1
Absolute Encoder Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
326
8-6-2
Absolute Encoder Operating Procedure . . . . . . . . . . . . . . . . . . . . . .
327
8-6-3
PCU Data Settings for Using Absolute Encoders. . . . . . . . . . . . . . .
329
8-6-4
Absolute Encoder Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
331
8-6-5
Absolute Encoder's Origin (Zero Point) Position Offset Setting . . .
332
8-6-6
Establishing the Origin Using an Absolute Encoder . . . . . . . . . . . .
334
Summary of Contents for CJ1W-NC271 - 12-2009
Page 2: ......
Page 4: ...iv ...
Page 6: ...vi ...
Page 22: ...xxii ...
Page 58: ...30 Starting Operation Section 2 2 ...
Page 244: ...216 Axis Operating Input Memory Areas Section 4 8 ...
Page 264: ...236 Transferring Servo Parameters Section 5 3 ...
Page 396: ...368 Linear Interpolation Section 9 7 ...
Page 648: ...620 List of Error Codes Appendix D ...
Page 674: ...646 Additional Functions for the CJ1W NCF71 MA Appendix F ...
Page 684: ...656 Index ...
Page 686: ...658 Revision History ...