Products Description
ABB UAA326A04 HIEE300024R4 ControI I/O Board in stock
ABB UAA326A04 HIEE300024R4 is an analog measurement interface board for ABB high-power converter and excitation control systems. It is used for sampling voltage, current and other analog signals of the main power loop, converting analog signals into digital data for the main control unit.

This board integrates signal conditioning, isolation and A/D conversion circuits, with high sampling accuracy and strong anti-interference capability. It is a dedicated spare part for older ABB converter cabinets, widely used in power plant excitation and medium voltage drive equipment maintenance.

Data Parameters
1. Brand: ABB.
2. Model: UAA326A04 HIEE300024R4.
3. Product Type: Analog Measurement & Sampling Board.
4. Application: ABB Excitation System / Medium Voltage Converter Control Cabinet.
5. Feature: Multi-channel analog sampling, built-in signal isolation circuit.
6. Characteristic: High precision A/D conversion, over-range signal protection.
7. Communication: Internal backplane interface for drive controller.
8. Signal Type: AC/DC voltage and current measurement signals.
9. Mounting: Plug-in installation inside converter rack.
10. Operating Temperature: -10℃ ~ +70℃.
Core Functions
1. Collect voltage and current signals from the power circuit of the converter.
2. Perform filtering, isolation and conditioning of raw measurement signals.
3. Convert analog measured values into digital signals for the main control board.
4. Detect over-limit sampling signals and upload fault alarm information.
5. Provide reliable feedback signals for closed-loop regulation of excitation or drive system.
Application Scenarios
1. Power plant synchronous generator ABB excitation control cabinet.
2. Metallurgy, mining medium voltage variable frequency drive system.
3. Industrial large thyristor rectifier and converter equipment.
4. ABB old converter and excitation rack overhaul and spare replacement.
5. Converter measurement sampling board spare parts inventory backup.
FAQ
1. Q: What is ABB UAA326A04 HIEE300024R4?
A: It is an analog signal measurement sampling board for ABB excitation and converter system.2. Q: Can it be used for other series of ABB drives?
A: It is a dedicated board, only applicable to the matching converter/excitation rack.3. Q: Is this a new production model?
A: It belongs to legacy spare, mainly supplied for on-site maintenance replacement.
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