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ABB UUFD203A101｜Power Supply Module｜
Function
Analog input: 2-4 channels (± 10V/4-20mA)
Analog output: 4 channels (voltage/current optional)
Digital input: 8 channels
Digital output: 8 channels (including relays)
Communication: Ethernet, RS-232, support for Modbus, etc
Power supply: 24VDC ± 10%, can provide 24V/0.5A externally
Purpose: Excitation current control, signal conditioning, and interface with DCS/PLC
Parameter
Working temperature: -20 ° C~+60 ° C
Protection: IP20
Certification: CE, UL
Size/Weight: Approximately 170 × 50 × 180mm/approximately 0.14kg
Application
Power Station/Plant: Generator Excitation System, Turbine Speed Control Signal Interface
DCS: ABB Freelance, AC 800M, 800xA I/O Expansion
Industrial transmission: frequency converter/soft start control, closed-loop process control
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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