8 - 6
Chapter 8 OPR Control
8.2 Machine OPR
8.2.1 Outline of the machine OPR operation
Machine OPR operation
In a machine OPR, OP is established.
None of the address information stored in the Simple Motion module, PLC CPU, or
servo amplifier is used at this time. The position mechanically established after the
machine OPR is regarded as the "OP" to be the starting point for positioning
control.
M
OP
Near-point dog
Machine OPR
Fig. 8.3 Example of a machine OPR
The method for establishing an "OP" by a machine OPR differs according to the
method set in "
Pr.43
OPR method
".
The following shows the operation when starting a machine OPR.
When "
Pr.43
OPR method
" is set to other than "Driver OPR method"
1)
The "machine OPR" is started.
2)
The operation starts according to the speed and direction set in the OPR parameters
(
Pr.43
to
Pr.57
).
3)
The "OP" is established by the method set in "
Pr.43
OPR method
", and the machine
stops. (Refer to Sections 8.2.2 to 8.2.7)
4)
If "a" is set as "
Pr.45
OP address
", "a" will be stored as the current position in the
"
Md.20
Current feed value
" and "
Md.21
Machine feed value
" which are monitoring the
position.
5)
The machine OPR is completed.
POINT
Use the OPR retry function when the OP is not always in the same direction from
the workpiece operation area (when the OP is not set near the upper or lower limit
of the machine).
The machine OPR may not complete unless the OPR retry function is used.
Summary of Contents for MELSEC-L Series
Page 2: ......
Page 30: ...MEMO ...
Page 70: ...2 10 Chapter 2 System Configuration MEMO ...
Page 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
Page 103: ...3 33 Chapter 3 Specifications and Functions MEMO ...
Page 107: ...3 37 Chapter 3 Specifications and Functions MEMO ...
Page 111: ...3 41 Chapter 3 Specifications and Functions MEMO ...
Page 115: ...3 45 Chapter 3 Specifications and Functions MEMO ...
Page 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Page 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
Page 342: ...5 202 Chapter 5 Data Used for Positioning Control MEMO ...
Page 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
Page 440: ...MEMO ...
Page 485: ...9 25 Chapter 9 Major Positioning Control MEMO ...
Page 594: ...9 134 Chapter 9 Major Positioning Control MEMO ...
Page 624: ...10 30 Chapter 10 High Level Positioning Control MEMO ...
Page 656: ...11 32 Chapter 11 Manual Control MEMO ...
Page 690: ...12 34 Chapter 12 Expansion Control MEMO ...
Page 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
Page 866: ...14 68 Chapter 14 Common Functions MEMO ...
Page 884: ...15 18 Chapter 15 Dedicated Instructions MEMO ...
Page 899: ...16 15 Chapter 16 Troubleshooting MEMO ...
Page 1036: ...Appendix 88 Appendices MEMO ...
Page 1039: ......