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Chapter 5 Data Used for Positioning Control
Storage item
Storage details
Md.39
In speed limit flag
If the speed exceeds the "
Pr.8
Speed limit value
" ("
Pr.31
JOG speed limit value
" at
JOG operation control) due to a speed change or override, the speed limit
functions, and the in speed limit flag turns ON.
When the speed drops to less than "
Pr.8
Speed limit value
" ("
Pr.31
JOG speed limit
value
" at JOG operation control), or when the axis stops, the in speed limit flag
turns OFF.
Refresh cycle: Immediate
Md.40
In speed change processing
flag
The speed change process flag turns ON when the speed is changed during
positioning control.
After the speed change process is completed or when deceleration starts with the
stop signal during the speed change process, the in speed change process flag
turns OFF.
Refresh cycle: Immediate
Md.41
Special start repetition counter
This area stores the remaining number of repetitions during "repetitions" specific
to special starting.
The count is decremented by one (-1) at the loop end.
The control comes out of the loop when the count reaches "0".
This area stores "0" within an infinite loop.
Refresh cycle: Immediate
Md.42
Control system repetition
counter
This area stores the remaining number of repetitions during "repetitions" specific
to control system.
The count is decremented by one (-1) at the loop start.
The loop is terminated with the positioning data of the control method "LEND",
after the counter becomes "0".
Refresh cycle: Immediate
Md.43
Start data pointer being
executed
This area stores a point No. (1 to 50) attached to the start data currently being
executed.
This area stores "0" after completion of a positioning operation.
Refresh cycle: Immediate
Md.44
Positioning data No. being
executed
This area stores a positioning data No. attached to the positioning data currently
being executed.
This area stores "0" when the JOG/inching operation is executed.
Refresh cycle: Immediate
Md.45
Block No. being executed
When the operation is controlled by "block start data", this area stores a block
number (7000 to 7004) attached to the block currently being executed.
At other times, this area stores "0".
Refresh cycle: At start
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: ......