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MELSEC-L Series Positioning Unit (Differential Output)

MELSEC-L Series Positioning Unit (Differential Output)

Positioning unit (differential output) for the standard model MELSEC-L series

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Part Number

Configured Part Number is shown.

LD75D4

MELSEC-L Series Positioning Unit (Differential Output) Specifications

MELSEC-L Series Positioning Unit (Differential Output) image

MELSEC-L Series Positioning Unit (Differential Output) image

Performance Specifications

Number of Control Axis4 axes
Interpolation Function2-axis, 3-axis, 4-axis linear interpolation
2-axis circular interpolation
3-axis helical interpolation
Control MethodPTP (point to point) control
Path control (linear, arc and helical)
Speed control
Speed/position switching control
Position/speed switching control
Single Control Unitmm, inch, degree, pulse
Positioning Data600 data/axis
BackupParameters, positioning data and block start data can be saved to the flash ROM (battery-less)
PositioningPositioning MethodPTP ControlIncrement/absolute
Speed/Position Switching ControlIncrement/absolute
Position/Speed Switching ControlIncrement
Path ControlIncrement/absolute
Positioning RangeAbsolute· -214,748,364.8 to 214,748,364.7 µm
· -21,474.83648 to 21,474.83647 inches
· 0 to359.99999 degrees
· -2,147,483,648 to 2,147,483,647 pulses
Increment· -214,748,364.8 to 214,748,364.7 µm
· -21,474.83648 to 21,474.83647 inches
· -21,474.83648 to 21,474.83647 degrees
· -2,147,483,648 to 2,147,483,647 pulses
Speed/Position Switching Control (INC Mode) / Position/Speed Switching Control· 0 to 214,748,364.7 µm
· 0 to 21,474.83647 inches
· 0 to 21,474.83647 degrees
· 0 to 2,147,483,647 pulses
Speed/Position Switching Control (ABS Mode)· 0 to 359.99999 degrees
Speed Command0.01 to 20,000,000.00 mm/min
0.001 to 2,000,000.000 inch/min
0.001 to 2,000,000.000 degree/min
1 to 4,000,000 pulse/s
Acceleration/Deceleration ProcessingTrapezoidal acceleration/deceleration, sigmoid acceleration/deceleration
Acceleration/Deceleration Time1 to 8,388,608 ms
Four patterns can be set for acceleration time and another 4 for deceleration time
Quick Stop and Deceleration Time1 to 8,388,608 ms
Starting Time1‑axis Linear Control1.5 ms
1‑axis Speed Control1.5 ms
2‑axis Linear Interpolation Control (Composite Speed)1.5 ms
2‑axis Linear Interpolation Control (Reference Axis Speed)1.5 ms
2‑axis Circular Interpolation Control2.0 ms
2‑axis Speed Control1.5 ms
3‑axis Linear Interpolation Control (Composite Speed)1.7 ms
3‑axis Linear Interpolation Control (Reference Axis Speed)1.7 ms
3‑axis Helical Interpolation Control2.6 ms
3‑axis Speed Control1.7 ms
4‑axis Linear Interpolation Control1.8 ms
4‑axis Speed Control1.8 ms
Factors for Extended Starting TimeIf any of the following conditions are met, the starting time is increased by the applicable time specified below.
· Sigmoid acceleration/deceleration selected: 0.1 ms
· Other axis operating: 0.5 ms
· Continuous positioning control: 0.3 ms
· Continuous path control: 0.3 ms
Pulse Output SystemDifferential output
Maximum Output Pulse4 M pulse/s
Maximum Connected Distance Between Servos10 m
External Wiring Connection Method-40-pin connector × 2, differential driver common terminal
Compatible ConnectorA6CON1, A6CON2, A6CON4 (sold separately)
Number of Occupied Input/Output32 points (I/O assignment: intelligent 32 points)
5 V DC Internal Current Consumption0.76 A
External DimensionsHeight (H)90 mm
Width (W)45 mm
Depth (D)95 mm
Weight0.18 kg
Part Number
LD75D4
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to Ship

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Basic Information

Number of Control Axis 4 Positioning data number 600 pieces of data Positioning data number(Data/Axis) 600 pieces of data
Number of Control Axis(Axis) 4 Interpolation function Available

Please check the type/dimensions/specifications of the part LD75D4 in the MELSEC-L Series Positioning Unit (Differential Output) series.

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