This document is the operator's manual for the Varispeed-656DC5 Slim-type PWM Transistor Converter, which provides specifications, main circuit wiring, input wiring, description of external terminals, digital operator usage, parameter setting and reference, notes on PWM converter application, parameter lists, and error displays and countermeasures.
This manual provides safety instructions, installation guidelines, wiring diagrams, and parameter settings for the Yaskawa VS-656DC5 slim‑type PWM transistor converter. It includes detailed descriptions of external terminals, protection functions, and troubleshooting procedures.
The document also lists technical specifications, environmental limits, and error‑display details, helping technicians correctly configure and maintain the converter in industrial power‑conversion applications.
| Rated Output | 250‑1320 kW |
|---|---|
| Rated Output Current | 380‑1520 A |
| Rated Input Current | 400‑1600 A |
| Rated Output Voltage | 660 V DC / 860 V DC |
| Input Power Voltage/Frequency | AC 380‑460 V / 50‑60 Hz (400 V class) |
| Voltage Tolerance | +10 % / ‑15 % |
| Frequency Tolerance | ±3 Hz (phase‑shift free) |
| Control Format | Sine‑wave PWM type |
| Input Power Factor | ≥ 0.95 |
| Overload Capacity | 1 min at 150 % of rated current |
Ensure the unit is undamaged, all covers and shields are in place, power is OFF, the grounding terminal is connected, and the rated voltage matches the AC source. Wiring should be performed by a qualified electrician.
An instantaneous overcurrent protection trips when the input current reaches about 200 % of the rated value, and a fuse trips if an open‑circuit condition occurs.
The converter can be used indoors with ambient temperatures from –10 °C to +45 °C, humidity up to 90 % RH (no condensation), and vibration up to 1 G below 20 Hz.