S1 AMP 200V 3PH 1.5KW
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- We offer for this displayed device sale, exchange and repair services.
- Prices for Servo-/Spindle Drives Power Supplies are standard prices for standard repair
- Devices for sell or exchange, was preventively overhauled in our workshop.
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Detailed information about Yaskawa SGDB Servopacks
We offer serial repairs for this product series
- Repair of many electronic assemblies according to standardized repair procedures with documentation.
- A larger repair capacity is possible for the same or similar orders
- Target group: machine manufacturers, service companies and distributors
Access to years of experience, specialists and equipment.
Find out more about our series repairs
Overview
Proven AC servo amplifier from the first Sigma series by Yaskawa. Designed for precise drive control in CNC machines, industrial robots and automation systems. Robust design, long-lasting performance and maintenance-friendly construction characterize the SGDB-15VD.
Overview
- Device category: AC servo amplifier (Servopack)
- Series/Class: Sigma-I (SGDB)
- Design: Compact, forced-air cooled, robust, service-friendly
Model designation
- SGDB = Yaskawa Servo Drive, Series B (Sigma-I)
- 15 = Rated power 1.5 kW
- V = 200 V class
- D = Digital version with position/speed control
Technical Data
| Feature | Value |
|---|
| Input voltage | 3-ph 200–230 V AC ±10 % |
| Input current | approx. 12 A |
| Output voltage | 3-ph 0–230 V AC (PWM controlled) |
| Output current (rated) | 7.5 A |
| Power class | 1.5 kW |
| Control power supply | 24 V DC (control logic) |
| Regenerative brake | Internal, optional external resistor |
| Cooling | Forced ventilation (fan unit) |
| Protection class | IP20 (control cabinet mounting) |
| Weight/Dimension | approx. 6 kg / 140 × 250 × 200 mm |
Connections & Interfaces
- L1/L2/L3: Mains input 3-ph 200 V AC
- U/V/W: Motor outputs
- B1/B2: Connection for brake resistor
- CN1: Control and signal interface (servo on/off, alarm, reference signals)
- CN2: Encoder connection for feedback (Yaskawa incremental encoder)
- CN3: Serial interface (communication with CNC/host)
- LED display: Status and alarm codes
- PE: Protective earth connection
Control board / modules
- Control and power modules integrated on main board
- Power section with IGBT transistors for regulated PWM output
- Power supply section for logic, drivers and fan
- Feedback section for encoder signals
- Internal protection and monitoring logic
Alarms & Troubleshooting
| Code | Bezeichnung | Typischer Befund | Prüfung | Abhilfe |
|---|
| A.10 | Undervoltage | Mains voltage too low | Measure mains | Check supply, check mains filter |
| A.11 | Board error 1 | Control logic defective | Visual inspection, check 5 V | Replacement or repair |
| A.16 | Encoder error | Connection encoder–drive disturbed | Check CN2 | Replace cable or encoder |
| A.24 | Earth fault | U/V/W conductive to PE | Insulation measurement | Check cable/motor |
| A.30 | Regeneration error | Brake resistor overloaded | Measure resistance | Check value and connection |
| A.31 | Overspeed | Speed too high | Check tach feedback | Reduce setpoint |
| A.32 | Overcurrent | IGBT or motor short circuit | Check phases | Replace transistor module |
| A.33 | Overvoltage | Feedback in the mains | Measure DC link | Check mains quality |
| A.46 | Motor temperature too high | Thermal switch opened | Measure thermal signal | Check cooling |
| A.50 | Overload 1 | Permanent overcurrent load | Check motor current | Check mechanics, adjust parameters |
Typical applications
- CNC machining centers (X/Y/Z axes)
- Handling and robot axes
- Machine tools with 200 V servo motors (SGM, SGMP series)
- Automation drives in production lines
Service notes
- Clean fan and heat sink regularly
- Check and replace electrolytic capacitors after operating hours (5–7 years)
- Back up parameters via CN1, create backup before service
- Perform insulation test (Megger) only in the removed state
- Perform low-resistance grounding, observe EMC-compliant wiring
Repair description
- Input check: Visual inspection for soot, corrosion and solder joints; Measurement of the DC link voltage; Checking the fuses
- Disassembly & cleaning: Removal of the electronics, removal of dust, grease and chips; Cleaning the cooling fins and fan
- Analysis: Checking the IGBT modules, gate drivers, capacitors and control sections; Fault simulation via test interface
- Repair: Replacement of defective power transistors, capacitors and drivers; Rewelding of critical points
- Testing & load test: Functional test on the test bench with reference motor; Monitoring of current, temperature and ripple; Test run with external brake
- Endurance test & conclusion: Continuous operation over several hours under load, log temperature behavior; Final report and functional release