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Data Acquisition - Analog Front End (AFE)

Overview of WM8234GEFL/V

The WM8234GEFL/V module is an analog front end (AFE) or data acquisition (DAQ) module designed by Woodmarshal. It is a single channel high-accuracy device with an operating temperature range of -40°C to +85°C.

The WM8234GEFL/V module integrates two analog-to-digital converters, an on-board current/voltage booster, and the necessary instrumentation amplifier (IA) and filter sections. It is best suited for power system and energy monitoring applications..

Application Field

The WM8234GEFL/V module is mostly used for current/voltage monitoring applications. Its built-in IA amplifier and filter sections make it an ideal choice for precision power system monitoring. Its wide temperature range makes it well suited for use in harsh environmental conditions.

The WM8234GEFL/V module can also be used for bridge or differential measurements. Its high accuracy and resolution make it an ideal choice for applications where a high degree of accuracy is required.

Working Principle

The WM8234GEFL/V module works by converting the input current or voltage into a digital signal. The module\'s IA amplifier and filter sections isolate and amplify the input signal, which is then converted to a digital signal by the two on-board ADC converters. The digital signal is then sent to the device\'s output buffer, where it can be read and used by the external system.

The module\'s output buffer is connected to a microcontroller or PC via a serial interface. The microcontroller or PC can then read the output buffer and use the data as input for further processing.

The module\'s built-in current/voltage booster allows it to handle input voltages up to 20V. This makes the module suitable for use in industrial and domestic settings, where large input voltages are common.

The WM8234GEFL/V module also features a built-in watchdog timer. This timer can be used to monitor and detect any unwanted changes in the input signal. The module also features a low-pass filter that can be used to filter out unwanted high-frequency noise from the input signal.

Conclusion

The WM8234GEFL/V module is a high-accuracy and high-resolution analog front end (AFE) or data acquisition (DAQ) module. It is ideal for precision power system monitoring applications and is suitable for use in harsh environmental conditions. Its built-in IA amplifier, filter sections, and current/voltage booster make it well suited for bridge or differential measurements. Its wide temperature range and built-in watchdog timer make it a reliable and versatile device.

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