For your information
- 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 Varispeed VS-626M5 device series
For improving quality, we have several test stands for Yaskawa Drives.
Our current brochure about Industrypart GmbH can be found in the download area.
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 converter unit of the Yaskawa MRX series for 200-volt systems. This unit converts the three-phase mains voltage into a stable DC link voltage and is used to supply power to servo and spindle drives. The robust design, proven electronics and high serviceability make it the ideal choice for precise, durable CNC systems.
Device category/Role
- Converter Unit (power supply module)
- MRX series, 200-V class
- compact, forced-air cooled, modular design
Model designation
- CIMR = Converter Inverter Module, Yaskawa designation
- MRX = MRX series (successor to the MR5 series)
- N = Power supply / Converter Unit
- 2022 = Power rating (≈ 27 kW class)
Technical Data
| Feature | Value |
|---|
| Input voltage | AC 3-phase 200–220 V 50 Hz / 200–230 V 60 Hz |
| Input current | 77 A (50 % ED) / 91 A (100 % ED) |
| Output voltage | DC 270–325 V |
| Output current | 97 A (50 % ED) / 115 A (100 % ED) |
| Rated output power | approx. 27 kW |
| Cooling | Forced ventilation |
| Weight | 10.5 kg |
| Manufacturer | Yaskawa Electric Corporation – Made in Japan |
| Serial number | Example: N232289-5-002 / N1306 |
| Software version | PRG: 0017 |
Connections & Interfaces
- L1/L2/L3: Mains connection 3-phase 200–230 V AC
- DC+ / DC–: DC link output to the servo amplifiers
- CN connections: Control, signal and diagnostic interfaces
- Earthing (PE): large-area, low-resistance, central ground point
- Fan connection: integrated forced ventilation with thermal protection
- LED/Display: Display of operating and alarm states
Control board / Assemblies
| Type | Designation on board | Model designation | Quantity |
|---|
| Control board | – | JUSP-ACPCALB-N5-V | 1 |
| Profibus communication board | 1PCB | JUSP-ACPCCLB-N5-V or DF0300118-B0 | 1 |
| Communication board | 1PCB | YPHT31291-1B | 1 |
| Power board | 3PCB | MRXN2015 or MRXN2022 | 1 |
| Power section | – | Power section integrated | 1 |
Alarms & Troubleshooting
| Code | Bezeichnung | Typischer Befund | Prüfung | Abhilfe |
|---|
| 16 | Overcurrent (Short-circuit current) | Short circuit or defective IGBT module | U/V/W insulation test | Repair or replace power section |
| 17 | Earth fault | Insulation fault motor or cable | Check motor cable | Replace defective cables or motor |
| 48 | Regeneration Error | Error in the regeneration branch | Check connection P–D | Check/replace resistor |
| 52 | Regeneration Overcurrent | Overcurrent in regenerative feedback | Check resistor circuit | Replace regeneration unit |
| 64 | Overvoltage | DC link voltage above limit | Measure input voltage | Correct mains voltage |
| 65 | Undervoltage | Voltage drop on the DC link | Check power supply | Check supply line, stabilize mains |
| 66 | Initial Charge Error | Charging circuit not active | Check precharge branch | Replace capacitor or relay |
| 67 | Control Low Voltage | Control supply too low | Check auxiliary voltage | Repair control board |
| 81 | Overspeed | Speed too high | Check feedback | Adjust encoder / parameters |
| 84 | Low-Speed Winding Error | Error in winding changeover | Check motor | Check motor connections |
| 85 | Overspeed (C-axis) | Speed exceeded | Check drive parameters | Adjust setpoints |
| 96 | Tune-Up Incomplete | Autotuning incomplete | Check encoder | Repeat autotuning |
| 113 | Overload Momentary | Momentary overload | Check current profile | Reduce load |
| 114 | Overload Continuous | Permanent overload | Check environment & cooling | Clean fan, adjust load profile |
| 115 | DB Overload | Braking resistor overloaded | Check temperature | Replace resistor or fan |
| 117 | Internal Overtemperature | Internal temperature > 60 °C | Check air paths | Improve cooling |
| 130 | Position Deviation | Target/actual value deviation too large | Check feedback | Adjust encoder, cable, controller |
Typical applications
- CNC machining centers
- Tool and spindle drives in precision machines
- Servo systems with a common DC link
- Automated production cells with regenerative function
Service notes
- Check fan regularly for function and contamination
- Replace capacitors preventively every 8–10 years
- Regularly log mains voltage and temperature
- Do not perform insulation measurement when installed
- Consistently implement low-resistance earthing
- Back up parameters and software version
Repair description
- Input check: Visual inspection, measurement of input and DC link voltage, check for short circuit in the power section
- Disassembly & cleaning: Removal of the device, cleaning of heat sinks, circuit boards and fan, renewal of thermal paste
- Analysis: Checking the power board, control board and capacitors for wear or thermal stress, functional testing of the IGBT module
- Repair: Replacement of defective components, re-soldering of critical connections, renewal of fan and electrolytic capacitors
- Testing & load test: Test run under load, monitoring of current consumption, DC link voltage, temperature, alarm output
- Endurance test & completion: Continuous operation under realistic load for several hours, creation of test protocol, final acceptance and labeling for reinstallation