1. Product Overview
SGDC-30AJAY16 is a customized 3.0kW three-phase AC servo amplifier manufactured by YASKAWA Japan, based on standard SGDC-30AJA platform with factory exclusive Y16 customized option specification. The suffix Y16 stands for custom-defined digital I/O terminal assignment, special encoder interface definition and exclusive internal function parameters different from standard SGDC-30AJA version. This servo driver matches Yaskawa 3kW permanent magnet synchronous servo motor for high-precision positioning, speed and tension control in special automation equipment, CNC machine tools and automated production lines.
2. Electrical Specification Parameters
2.1 Power Rating Parameter
Rated matched output power: 3.0kW (4.02HP)
Main input power: Three-phase AC 200V~230V, 50Hz/60Hz; internal DC bus operating voltage range: 280VDC~330VDC
Rated input current: 15.7A
Three-phase AC output voltage: 0~230VAC; Max continuous output current: 26A
Cooling mode: Natural air cooling via built-in aluminum heat sink without built-in cooling fan under rated load condition
2.2 Ambient Environment Specification
Operating ambient temperature: 0℃ ~ +55℃; Storage temperature: -20℃ ~ +70℃
Relative humidity: ≤90% RH, non-condensing; No corrosive gas, flammable dust and liquid splash in installation environment
Vibration resistance: 10~55Hz, acceleration below 0.5G during operation
2.3 Control Core Parameter
Three standard control modes: Position control, Speed control, Torque control, switchable via internal function parameters
Command receiving mode: Pulse series command input (for position), ±10VDC analog signal input (speed/torque)
Encoder compatibility: Standard incremental encoder interface; Y16 option changes partial encoder pin definition per factory custom requirement
Auto-tuning function: Built-in full automatic motor parameter identification to detect motor resistance, inductance and encoder offset automatically
3. Safety Precautions
Disconnect main input power and wait minimum 15 minutes for internal high-voltage capacitor complete discharge before opening drive housing for wiring modification or maintenance to avoid electric shock hazard. Never power on before finishing full motor wiring and mechanical locking; unexpected motor rotation may cause personal injury and equipment damage. Do not modify internal circuit components arbitrarily; unauthorized disassembly will void product warranty and lead to permanent hardware damage. Stop operation immediately once abnormal overheating, smoke or abnormal noise occurs, cut off input power first then execute troubleshooting.
4. Installation Instruction
Mount the servo drive vertically on rigid metal mounting plate; reserve ventilation clearance: over 50mm empty space on upper and lower sides of the unit, more than 30mm gap on left and right sides for heat dissipation. Keep away from heat source and direct sunlight; fix mounting screws firmly to prevent looseness caused by equipment running vibration. Separate power cable and control signal cable during wiring layout to reduce electromagnetic interference: power circuit uses thick power wire, encoder and control I/O signal uses shielded twisted pair cable; reliably connect drive PE grounding terminal to equipment common grounding bus.
5. Wiring & Commissioning Guide
Check all terminal wiring sequence strictly complying with terminal marking before power-on; wrong phase connection will damage internal power module directly. Cut off external control power before plugging/unplugging control connector to avoid impulse current damaging control board circuit. After wiring inspection complete, power on the driver and execute motor auto-tuning first before formal load operation. Y16 customized I/O definition and special function parameters are not listed in standard SGDC-30AJA parameter manual, users must refer to factory attached supplementary parameter document for related setting. Real-time monitoring data including bus voltage, output current, operating temperature and fault code can be checked via front panel digital display or upper computer debugging software.
6. Fault Code & Troubleshooting
Overcurrent alarm: Mainly caused by motor coil short circuit, motor cable breakdown or internal power module damage; check motor wiring insulation status after power off.
Overvoltage alarm: Caused by grid surge voltage or fast mechanical braking without matching external regenerative resistor; configure proper braking resistance according to load inertia.
Overheat alarm: Result from blocked heat sink dust or long-time overload running; clean radiator and reduce actual load value.
Encoder communication error: Inspect encoder cable breakage, loose connector and customized Y16 pin wiring; re-plug connector or replace damaged cable after fault elimination.
After removing abnormal factors, reset fault by power cycle or panel reset key; if identical fault repeats continuously, stop equipment operation and send driver for professional maintenance.
7. Daily Maintenance Specification
Clean accumulated dust on heat sink every 3~6 months based on site dust concentration to avoid heat dissipation blockage. Retighten loose terminal screws periodically to prevent poor contact heating failure. For long-term idle storage, place driver in dry sealed room-temperature environment; if storage period exceeds 12 months, perform 30 minutes no-load power-on test before formal assembly and commissioning.
8. Typical Application Scope
Applied for customized special automation equipment, precision packaging machinery, small CNC processing equipment, semiconductor automation fixture and multi-axis synchronous transmission mechanism requiring Y16 custom I/O logic definition.
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