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Chapter 9 Major Positioning Control
Current feed value during 1-axis speed control
The following table shows the "
Md.20
Current feed value
" during 1-axis speed
control corresponding to the "
Pr.21
Current feed value during speed control
" settings.
"
Pr.21
Current feed value during speed control
"
setting
Md.20
Current feed value
0: Do not update current feed value
The current feed value at speed control start
is maintained.
1: Update current feed value
The current feed value is updated.
2: Zero clear current feed value
The current feed value is fixed at 0.
V
t
In speed control
Current feed value during speed control start is maintained
(a) Current feed value not updated
t
Current feed value is updated
(b) Current feed value updated
(c) Current feed value zero cleared
t
0
In speed control
In speed control
V
V
Restrictions
(1) Set "Positioning complete" in "
Da.1
Operation pattern
". The error "Continuous
path control not possible" (error code: 516) will occur and the operation cannot
start if "continuous positioning control" or "continuous path control" is set in
"
Da.1
Operation pattern
".
("Continuous positioning control" and "continuous path control" cannot be set
in speed control.)
(2) Set the WITH mode in "
Pr.18
M code ON signal output timing
" when using an M
code. The M code will not be output, and the M code ON signal will not turn
ON if the AFTER mode is set.
(3) The error "No command speed" (error code: 503) will occur if the current
speed (-1) is set in "
Da.8
Command speed
".
(4) The software stroke limit check is not carried out if the control unit is set to
"degree".
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
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Страница 70: ...2 10 Chapter 2 System Configuration MEMO ...
Страница 83: ...3 13 Chapter 3 Specifications and Functions MEMO ...
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Страница 115: ...3 45 Chapter 3 Specifications and Functions MEMO ...
Страница 140: ...4 22 Chapter 4 Installation Wiring and Maintenance of the Product MEMO ...
Страница 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
Страница 342: ...5 202 Chapter 5 Data Used for Positioning Control MEMO ...
Страница 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
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Страница 485: ...9 25 Chapter 9 Major Positioning Control MEMO ...
Страница 594: ...9 134 Chapter 9 Major Positioning Control MEMO ...
Страница 624: ...10 30 Chapter 10 High Level Positioning Control MEMO ...
Страница 656: ...11 32 Chapter 11 Manual Control MEMO ...
Страница 690: ...12 34 Chapter 12 Expansion Control MEMO ...
Страница 798: ...13 108 Chapter 13 Control Sub Functions MEMO ...
Страница 866: ...14 68 Chapter 14 Common Functions MEMO ...
Страница 884: ...15 18 Chapter 15 Dedicated Instructions MEMO ...
Страница 899: ...16 15 Chapter 16 Troubleshooting MEMO ...
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