SGDA-04AP
June 02, 2026

SGDA-04AP

SGDA-04AP is 400W single-phase AC200V digital pulse-position control servo drive of Yaskawa Sigma-I series. Suffix definition: AP: 200V input + pulse position control version (differ from 100V BP/BS series; BP=100V position control, BS=100V analog speed/torque only). Matching motor: SGM-04 series 400W 200V Yaskawa AC servo motor; original production discontinued, available only for maintenance replacement of legacy automation equipment.

Description

1. Product Overview

SGDA-04AP is 400W single-phase AC200V digital pulse-position control servo drive of Yaskawa Sigma-I series.
Suffix definition:
  • AP: 200V input + pulse position control version (differ from 100V BP/BS series; BP=100V position control, BS=100V analog speed/torque only).

    Matching motor: SGM-04 series 400W 200V Yaskawa AC servo motor; original production discontinued, available only for maintenance replacement of legacy automation equipment.

2. Electrical Ratings

Input Power

  • Main power input: Single-phase AC 200~230V, 50/60Hz, rated input current: 6.0A

  • Control power shares main power supply (no separate auxiliary control power terminal)

Output Parameters

  • Rated output power: 400W (0.53HP)

  • Continuous rated output current: 2.6Arms; peak overload current:7.8A (300% short-time overload capability)

  • Max three-phase output voltage: AC 0~230V

3. Control Interface Core Feature (Digital Pulse Position Control)

  1. CN1 control terminal accepts differential line-driver / open-collector pulse position command (step/direction or CW/CCW pulse input); core function for high-precision positioning, cannot be replaced directly with BS analog model.

  2. 3 control modes switchable via internal parameters: Position control(default), Speed control(±10VDC analog command), Torque control(±10VDC analog command).

  3. Standard built-in digital I/O terminals: Servo ON enable, external fault reset, forward/reverse JOG input, zero-speed detection output, alarm relay dry-contact output, positioning completion signal output.

  4. Onboard RS232 serial port for SigmaWin software parameter upload/download and real-time running status monitoring; no standard fieldbus interface.

  5. Compatible with 2048P/R incremental encoder and battery-backed absolute encoder feedback.

4. Complete Protection Functions

Overvoltage(OV), Overcurrent(OC), Continuous overload(OL), Overheat(OH), Encoder cable breakage, Regenerative surge, Power source abnormality protection; fault code displayed on front LED digital indicator with independent alarm relay output.

5. Environmental & Mechanical Specifications

  • Protection grade: IP20, cabinet indoor installation only (prevent water splash, oil mist and conductive dust)

  • Operating ambient temperature: 0℃ ~ +55℃ (non-condensing); storage temperature: -20℃ ~ +85℃

  • Allowable humidity:10%~90%RH without dew formation

  • Cooling method: Natural air convection cooling, no built-in cooling fan; DIN rail or screw fixed mounting

  • Overall dimension: W75 × D130 × H160 mm; net weight: approx 1.15kg; CE & UL certified

6. Core Functional Features

  1. Built-in auto inertia identification & auto gain tuning for speed/position loop optimization to shorten on-site commissioning time.

  2. Front-panel independent JOG inching function for manual forward/reverse motor test without external controller connection.

  3. Integrated dynamic brake circuit for rapid emergency stop during power failure or E-stop signal to avoid mechanical overtravel.

  4. Internal memory stores historical fault codes for quick equipment troubleshooting.

7. Application & Replacement Notes

  1. Cannot directly interchange with SGDA-04BS (BS=analog only without pulse position input); wrong replacement leads to positioning failure of machine tools and feeding equipment.

  2. Typical applications: Precision indexing equipment, automated feeding axes, small CNC auxiliary axis, packaging positioning machinery, pick-and-place automation equipment.


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