Sichuan Chengbang Haoran Measurement and Control Technology Co., Ltd.
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ET4200-DW excitation driver

Case Presentation

ET4200-DW Excitation Driver—Product Background

Overview:

ET4200-DW driver is an intelligent instrument dedicated to the drive and control of our company's DW series eddy current dynamometer. The meter inputs the control quantity through keyboard, 0-5V voltage, CAN communication, etc., measures the output current through the current transformer, and adjusts the output current in real time through the internal closed-loop control algorithm calculation to achieve the purpose of controlling the output torque of the dynamometer.

Functions and features:

main feature
(1) Built-in intelligent SCR rectifier module
(2) Support keyboard, 0-5V voltage and CAN communication input position setting
(3) 0-5V voltage range can be adjusted by keyboard setting parameters
(4) Digital calibration of current sensor and direct display of excitation current value on the main screen
(5) Digital adjustment of PID closed-loop control coefficients
(6) Remote/local undisturbed switching
(7) Color TFT liquid crystal display, keyboard operation, good human-computer interaction

ET4200-DW excitation driver—physical photo

ET4200-DW Excitation Driver-Main Application

Applied to loading control of various eddy current dynamometers.

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