BDS4A-203J-0014-202B83
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The Kollmorgen BDS4A-203J-0014-202B83 is part of the BDS Industrial Servo Drives and operates with digital control. This drive supports a 3-phase system, works with 310 VDC and 230 VAC inputs, and utilizes encoder feedback devices. It operates efficiently at a frequency of 50/60 Hz.
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Product Description:
Kollmorgen made the BDS4A-203J-0014-202B83 Sinewave Servo Amplifier a high-performance motion control system that makes servo drive work accurately and efficiently. The modular design makes it easier to repair and takes the stress out of maintenance. The link interface has two-part plug connectors that make it easy to connect to PSR4/5 and other equipment that works with it.
The BDS4A-203J-0014-202B83 servo amplifier accepts two distinct input voltages: 310 VDC (4.5 AMPS) and 230 VAC (3 AMPS). The servo amplifier uses resolver-based feedback that includes a 7.0 kHz excitation signal generated within the BDS4 and transmitted to the resolver. The resolver feedback system processes sine and cosine signals that allow exact location determination. The R/D converter generates an analog velocity signal to close servo loops and a digital position word for electronic commutation. The velocity loop is designed as a PID gain servo loop that sends the current command to the inner current loops. The three internal current loops govern the motor's phases and ensure stable operation. After receiving position data from the R/D converter, the CPU processes velocity errors. The torque angle approach boosts motor performance and optimizes current distribution. Proportional and integral current loops regulate each phase that preserves precision.
The 10 kHz pulse width modulation (PWM) frequency utilized by BDS4A-203J-0014-202B83 sinewave servo amplifier results in a 20 kHz motor current ripple that is optimized for efficiency and noise reduction. Front-accessible adjustments facilitate calibration and system optimization. Fault diagnostics includes real-time fault monitoring, which illuminates a red LED light when a problem is detected. The control and power sections are separated by optical coupling of the PWM signals. To guarantee high-frequency operation, the output power stage uses in-gate bipolar transistors (IGBTs).
Frequently Asked Questions about BDS4A-203J-0014-202B83:
Q: Why does BDS4A-203J-0014-202B83 use a resolver-based feedback system?
A: BDS4A uses resolver-based feedback for precise position tracking and accurate velocity control. This ensures stable servo loop performance in demanding motion control applications.
Q: Does BDS4A-203J-0014-202B83 have optically coupled PWM signals for isolation?
A: Yes, BDS4A-203J-0014-202B83 features optically coupled PWM signals that separate the control and power sections. This enhances electrical isolation and ensures safe signal transmission.
Q: Do the three inner current loops improve motor control?
A: Yes, three inner current loops regulate each motor phase independently. This optimizes torque output and maintains motor stability under varying load conditions.
Q: How does the torque angle technique enhance motor performance?
A: The torque angle technique optimizes current distribution in each phase. This maximizes efficiency and ensures smoother operation with reduced electrical losses.
Q: Why does BDS4A-203J-0014-202B83 use a 10 kHz PWM frequency?
A: A 10 kHz PWM frequency reduces motor current ripple to 20 kHz. This minimizes audible noise and improves energy efficiency in servo applications.
