1. Product Overview
SGDC-30AJA-Y16 is a 3.0kW customized AC servo amplifier manufactured by YASKAWA Japan, developed on standard SGDC-30AJA base platform, Y16 represents factory customized specification for digital I/O pin definition, exclusive encoder terminal assignment and dedicated internal parameter setting different from standard general model. This servo driver is designed to mate with matched 3kW Yaskawa permanent magnet synchronous servo motor for high precision positioning, speed and torque control on special automation equipment, customized CNC and precision automated production lines.
2. Electrical Rating Specifications
2.1 Main Power Parameters
Rated matched output power: 3.0kW (4.02HP)
Main input power: Three-phase AC 200~230V, 50/60Hz; internal DC bus working voltage range: 280VDC~330VDC, rated DC input current 15.7A
Output specification: Three-phase adjustable AC 0~230V, maximum continuous output current 26A
Cooling method: Natural air cooling with built-in aluminum radiator, no built-in cooling fan under rated load operation
2.2 Environmental Specifications
Operating ambient temperature: 0℃ ~ +55℃; storage temperature: -20℃ ~ +70℃
Working humidity: ≤90%RH without condensation; installation site free of corrosive gas, flammable dust and liquid splash
Anti-vibration: 10~55Hz vibration frequency, permissible acceleration ≤0.5G during running
2.3 Core Control Specification
Three optional control modes: Position control, speed control, torque control, switchable by internal function parameter setting
Command receiving mode: Pulse train input for position instruction, ±10VDC analog voltage input for speed/torque instruction
Encoder interface: Incremental encoder compatible; Y16 custom version modifies partial encoder connector pin definition as factory exclusive requirement
Built-in auto motor tuning: Automatically identify motor winding resistance, inductance and encoder offset to optimize servo gain and mechanical stability
3. Customized Y16 Special Instruction
The Y16 suffix denotes non-standard customization: partial digital input/output terminal function allocation is revised, several reserved exclusive function parameters are not listed in original SGDC-30AJA standard manual. Users need to follow factory-supplied supplementary parameter document for terminal wiring and parameter commissioning; standard wiring diagram cannot fully apply to this customized model.
4. Installation Requirements
Mount the servo drive vertically on rigid metal mounting plate. Keep ventilation gap: above and below ≥50mm clearance, left and right side ≥30mm gap for heat dissipation. Keep away from heat source and direct sunlight, fasten mounting screws tightly to avoid looseness from equipment vibration. Separate power wiring and control signal wiring during layout to reduce electromagnetic interference; power circuit uses thick power cable, encoder and control I/O adopt shielded twisted-pair cable; reliably connect PE protective ground terminal to equipment common grounding bus.
5. Wiring & Commissioning Guide
Cut off total input power and wait more than 15 minutes for internal high-voltage capacitor full discharge before opening housing for wiring or maintenance to prevent electric shock hazard. Complete all motor, encoder and control wiring and double-check terminal definition per Y16 custom specification before power-on. After power supply is switched on, run full auto-tuning first before formal loaded operation. Real-time operating data including DC bus voltage, output current, operating temperature and fault alarm code can be checked via front digital display or Yaskawa upper computer debugging software.
6. Fault Diagnosis & Troubleshooting
Overcurrent alarm: Caused by motor winding short-circuit, damaged motor cable or internal power module failure; cut off power to check wiring insulation condition.
Overvoltage alarm: Triggered by grid surge voltage or high-speed mechanical braking without matching external regenerative braking resistor; configure proper braking resistance according to load inertia.
Overheat alarm: Result from radiator dust clogging or long-term overloaded operation; clean heat sink and reduce actual operating load.
Encoder error alarm: Inspect broken encoder cable, loose connector and Y16 customized pin wiring; re-plug connector or replace damaged cable after troubleshooting.
After eliminating fault cause, reset alarm by power cycle or panel reset key; stop equipment and arrange professional repair if repeated same fault occurs continuously.
7. Regular Maintenance Rules
Clean accumulated dust on radiator every 3~6 months based on on-site dust density to avoid heat dissipation failure; retighten loose terminal screws periodically to prevent poor contact overheating. For long-term idle storage, place unit in dry sealed environment; if storage period exceeds 12 months, perform 30 minutes no-load power-on test before assembly and commissioning.
8. Typical Application Range
Custom automation fixture equipment, precision packaging machinery, special small CNC processing equipment, semiconductor automated equipment and multi-axis synchronous transmission equipment requiring Y16 customized I/O logic definition.
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