Drive Amplifier
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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
- The Yaskawa SGDB-02VN Servopack is a proven AC servo amplifier of the Σ series for small axis capacities. This version has a 200 V supply and an integrated MECHATROLINK interface. Robust, durable, and frequently used in machine tools, robotics, and automation.
- Device category: AC Servo Amplifier (Servopack)
- Series/Class: SGDB, 200 V class
- Design: compact unit with air cooling and slotted housing
Model Designation
- SGDB = Yaskawa Σ Series Servopack
- 02 = Power size 0.2 kW
- V = Supply 200 V (Region/Variant identification)
- N = Command Interface Type: MECHATROLINK
- (Option) = additional equipment such as 'P' for Duct Ventilation
Technical Data
| Feature | Value |
|---|
| Input Voltage | 3~ 200–230 V AC |
| Mains Frequency | 50/60 Hz |
| Input Current | 3.0 A |
| Output Voltage | 3~ 0–230 V AC |
| Output Current | 2.0 A |
| Output Power | 0.2 kW (0.27 HP) |
| Phases | 3 |
| Interface | MECHATROLINK |
| Cooling | Convection/Fan cooling |
| Protection Class | IP1X |
| Weight/Dimensions | n. a. |
Connections & Interfaces
- L1 / L2 / L3: Mains input 200–230 V
- U / V / W: Motor output (0.2 kW Sigma motors)
- CN1: Control signals (Inputs/Outputs, Alarms, Enables)
- CN2: Encoder connection (e.g., TRD-Y2048)
- MECHATROLINK Port: serial bus communication to CNC/Controller
- BR+ / BR–: Brake resistor
- PE: Grounding
- LED Display / 7-Segment: Operation and error codes
Control Board / Modules
| Type (EN) | Designation on Board | Model Designation | Quantity | Note |
|---|
| Control Board | SGDB-CANV | SGDB-CANV | 1 | MECHATROLINK control & signal processing |
| Power Section | n. a. | n. a. | 1 | IGBT module, power output stage |
Alarms & Troubleshooting
| Code | Description | Typical Finding | Check | Remedy |
|---|
| A.10 | Overcurrent / Overheating | Short circuit U/V/W, IGBT fault | Check insulation, temperature, IGBT | Repair power section |
| A.30 | Regeneration Error | RB open or transistor defective | Check RB resistor | Replace RB or transistor |
| A.32 | Regeneration Overload | RB power too low, many stops | Check RB load | Larger RB/Resistor |
| A.40 | Overvoltage | Mains > 230 V, inefficient regeneration | Measure mains | Correct supply |
| A.41 | Undervoltage | Voltage dip | Check mains load | Stabilize power supply |
| A.51 | Overspeed | Encoder/Phase sequence incorrect | Check encoder, U-V-W | Correct wiring |
| A.71 | Short-term Overload | Blockage, shock load | Mechanics, motor current | Reduce load |
| A.72 | Continuous Overload | Rated load exceeded | Current/Temperature | Adjust axis profile |
| A.81 | Encoder Backup Error | Absolute data lost | Battery/Cable | Replace battery, Reference |
| A.84 | Encoder Data Error | Signal error/Bearing damage | Encoder cable, Scope | Replace encoder |
| A.b3 | Current Detection Error | Current sensor defective | Sensor/Phases | Repair board |
Typical Applications
- CNC positioning and feed axes
- Pick-and-place systems
- Light robotics axes
- Assembly and testing automation
Service Notes
- Clean ventilation regularly
- Replace electronics (IGBT, capacitors) preventively after years
- Check plugs/terminals for tight fit
- Ensure professional grounding and shielding
- Back up parameters, document Mechatrolink configuration
- Do not perform Megger measurements across encoder/bus lines
Repair Description
- Input inspection: Visual check, insulation test, DC bus measurement, bus communication test
- Disassembly & Cleaning: Removal of dust, oil, chips; replacement of thermal pads
- Analysis: Control board SGDB-CANV (MECHATROLINK port, optocouplers, drivers), IGBT output stage, rectifier, capacitors
- Repair: Replacement of defective output stages, optocouplers, capacitors, resoldering of thermally stressed areas
- Testing & Load Test: Test with reference motor and communication test via MECHATROLINK, monitoring of current, temperature, and alarms
- Long-term Test & Completion: Continuous operation under rated load for several hours, creation of a test report