B8501
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The Danaher B8501 is part of the Quadraline Regenerative Drives series and features a compact design measuring 10.5x5.93x2.50 inches and weighing 5 pounds. This advanced digital brushless servo drive offers 5 amps continuous, 10 amps peak motor output current, and supports incremental encoder inputs with a maximum rate of 2MHz.
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Product Description:
The B8501 is a control drive manufactured by Danaher from quadraline regenerative drives series. It has compatibility with both brushed and brushless servo motors and employs DSP technology to deliver closed-loop servo control. The B85 control drive supports advanced servo tuning without external controllers and provides built-in protection against short circuits.
The B8501 regenerative control drive’s input voltage range is 90 to 253 VAC and operates at 50 or 60 Hz frequency with auto-switching support. It consumes 1150VA power at 115VAC and 2300VA power at 230VAC. The B85 control drive includes analog and step-direction command input options. The analog input supports 0–10VDC ±10VDC and signal impedance of 10K ohm. The B8501 control drive has single-ended analog input 12-bit resolution and uses a linear potentiometer for absolute position feedback that operates on a regulated 5V signal supply. The B8501 control drive supports load-mounted linear pots for position feedback. The command input determines the actuator's target position while the drive adjusts motor motion to minimize signal difference. The B8501 control drive’s communication port RS232C supports 9600 baud rate and uses 8 bits data with one stop bit and no parity. Its communication is half-duplex with a simple three-wire connection.
The B8501 regenerative control drive offer output on 0–5V signals centered at 2.5V to show velocity and position error in real time. The encoder input is differential and quadrature type with 2MHz max rate and the inputs are optically isolated which require 20mA at 12VDC. The B85 control drive has a dimension of 10.5 x 5.93 x 2.5 inches and weighs 5 pounds. It can withstand temperatures up to 75°C and humidity 90%. Its windings are protected with a 155°C thermostat limit. The B85 control drive provides 5 amps continuous and 10 amps peak current.
Frequently Asked Questions about B8501:
Q: What is the maximum current output of the B8501 control drive?
A: The B8501 control drive provides 5 amps continuous and 10 amps peak current, supporting high-torque applications for both brushed and brushless motors.
Q: Why does the B8501 use a linear potentiometer for position feedback?
A: A linear potentiometer provides absolute position feedback with high accuracy, ensuring precise control over actuator positions. This is particularly important in applications requiring high positional precision.
Q: What type of communication port does the B8501 have?
A: The B8501 control drive features an RS232C communication port supporting 9600 baud rate, ensuring reliable data exchange and control with other devices over a simple three-wire connection.
Q: Why is the B8501’s encoder input optically isolated?
A: The optically isolated encoder input helps reduce electrical noise interference, improving the reliability and accuracy of data transmission from the motor to the drive.
Q: How does the B8501 control drive handle varying input voltages?
A: The B8501 supports an input voltage range of 90 to 253 VAC, making it suitable for global applications with different voltage requirements. It also operates at 50/60Hz frequency with auto-switching.
