3 - 2
Chapter 3 Specifications and Functions
3.1 Performance specifications
Model
Item
LD77MS2 LD77MS4 LD77MS16
Number of control axes
2 axes
4 axes
16 axes
Operation cycle
0.88ms/1.77ms
Interpolation function
2-axis linear interpolation,
2-axis circular interpolation
2-, 3-, or 4-axis linear interpolation,
2-axis circular interpolation
Control method
PTP (Point To Point) control, path control (both linear and arc can be set), speed control,
speed-position switching control, position-speed switching control, speed-torque control
Control unit
mm, inch, degree, PLS
Positioning data
600 data/axis
(Can be set with GX Works2 or sequence program.)
Execution data backup function
Parameters, positioning data, and block start data can be saved on flash ROM.
(battery-less backup)
Positioning
Positioning system
PTP control:
Incremental system/absolute system
Speed-position switching control: Incremental system/absolute system
Position-speed switching control: Incremental system
Path control:
Incremental system/absolute system
Positioning range
In absolute system
• –214748364.8 to 214748364.7 (µm)
• –21474.83648 to 21474.83647 (inch)
• 0 to 359.99999 (degree)
• –2147483648 to 2147483647 (PLS)
In incremental system
• –214748364.8 to 214748364.7 (µm)
• –21474.83648 to 21474.83647 (inch)
• –21474.83648 to 21474.83647 (degree)
• –2147483648 to 2147483647 (PLS)
In speed-position switching control (INC mode) / position-speed switching control
• 0 to 214748364.7 (µm)
• 0 to 21474.83647 (inch)
• 0 to 21474.83647 (degree)
• 0 to 2147483647 (PLS)
In speed-position switching control (ABS mode)
(Note-1)
• 0 to 359.99999 (degree)
Speed command
0.01 to 20000000.00 (mm/min)
0.001 to 2000000.000 (inch/min)
0.001 to 2000000.000 (degree/min)
(Note-2)
1 to 1000000000 (PLS/s)
Acceleration/
deceleration process
Trapezoidal acceleration/deceleration, S-curve acceleration/deceleration
Acceleration/
deceleration time
1 to 8388608 (ms)
Four patterns can be set for each of acceleration time and deceleration time
Sudden stop
deceleration time
1 to 8388608 (ms)
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 ...
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