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2 SPECIFICATIONS
2.1 Performance Specifications of the RD77MS
2
SPECIFICATIONS
This chapter describes the performance specifications of the RD77MS and the RD77GF.
2.1
Performance Specifications of the RD77MS
This section lists the performance specifications of the RD77MS.
Item
RD77MS2
RD77MS4
RD77MS8
RD77MS16
Number of controlled axes
2 axes
4 axes
8 axes
16 axes
Operation cycle
0.444 ms/0.888 ms/1.777 ms/3.555 ms
Interpolation function
2-axis linear
interpolation, 2-axis
circular interpolation
2-, 3-, or 4-axis linear interpolation, 2-axis circular interpolation, 3-axis
helical interpolation
Control method
PTP (Point To Point) control, path control (linear, arc, and helix can be set), speed control, speed-
position switching control, position-speed switching control, speed-torque control
Control unit
mm, inch, degree, pulse
Positioning data
600 data/axis (The 101st data to the 600th data can be set only with the engineering tool.)
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 (
m)
• -21474.83648 to 21474.83647 (inch)
• 0 to 359.99999 (degree)
• -2147483648 to 2147483647 (pulse)
In incremental system
• -214748364.8 to 214748364.7 (
m)
• -21474.83648 to 21474.83647 (inch)
• -21474.83648 to 21474.83647 (degree)
• -2147483648 to 2147483647 (pulse)
In speed-position switching control (INC mode)/position-speed switching control
• 0 to 214748364.7 (
m)
• 0 to 21474.83647 (inch)
• 0 to 21474.83647 (degree)
• 0 to 2147483647 (pulse)
In speed-position switching control (ABS mode)
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)
1 to 1000000000 (pulse/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.)
Rapid stop deceleration time
1 to 8388608 (ms)
Содержание MELSEC iQ-RD77GF16
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