1. Product Overview & Model Definition

• Code explanation:

  SGDM = Sigma-II servo drive platform; 20 = Matched rated motor power 2.0kW; A = Single/Three-phase AC200~230V power input; DA = Dual command type supporting pulse position instruction & ±10VDC analog speed/torque signal, three control modes switchable by parameter setting.

• Compatible motors: SGMAH-20A, SGMPH-20A, SGMGH-20A series 2.0kW Sigma-II servo motors equipped with standard 20-bit serial incremental encoder, rated speed 3000rpm.

2. Main Electrical Specifications

• Input Power: Single or 3-phase AC 200~230V, 50/60Hz, rated input current 13.2A

• Rated Output: 3-phase AC 0~230V, output frequency 0~300Hz; continuous rated output current 15.8A, 300% short-time overload capacity for startup shock load

• Cooling: Natural air cooling; Protection grade IP10; Net weight approx 3.15kg

• Encoder Port CN2: Compatible with 20-bit serial incremental encoder and optional battery-backed absolute serial encoder.

3. Interfaces & Core Functions

Interface Layout

• CN1 (Control terminal): Receives differential/open-collector pulse position command(max 500kpps input frequency, programmable electronic gear ratio) and ±10VDC analog signal for speed/torque control; multi-channel DI/DO for servo enable, fault reset, limit input and alarm output signal.

• CN2: Dedicated encoder feedback port to build full closed-loop position control.

• CN3: RS232 debugging port for SigmaWin software connection, supporting parameter modification, auto-gain tuning and real-time operating status monitoring.

Key Advantages

1. Freely switch Position / Speed / Torque three control modes via internal parameters to match different automation working conditions.

2. Built-in automatic motor parameter identification and adaptive gain auto-tuning, greatly shortening on-site commissioning cycle.

3. Multi-stage mechanical resonance suppression filter to eliminate equipment vibration and improve positioning precision.

4. Complete multi-protection system: overcurrent, overvoltage, undervoltage, overload, overspeed, encoder loss, overheat protection; front LED displays fault code for rapid troubleshooting.

4. Ambient Conditions & Application

• Working ambient temperature: 0℃~+55℃; storage temperature: -20℃~+85℃; ambient humidity ≤90%RH without condensation, avoid corrosive gas and heavy dust environment.

• Typical Applications: CNC feed axes, automated packaging machinery, PCB processing equipment, precision rotary indexing tables, automated assembly production lines and medium-load precision conveying equipment.