Technical Specifications Supply voltage: 24 V DC; Analog I/O: 4–20mA; Digital input and relay output; Communication: Modbus RTU interface; Operating temperature: -40 °C to +85 °C.
Functional Features Analog signal isolation; digital status acquisition; relay alarm output; serial communication conversion.
Application Scenarios Replacement spare interface board for genset governor, power plant control cabinet maintenance.
Performance Parameters Analog measurement accuracy: ±0.15% FS.
Material Composition Multi-layer PCB; opto-isolators; relay components; serial communication transceiver.
Structural Characteristics PCB assembly with multi-channel terminal connectors for field signals.
Working Principle Isolates and converts analog and digital field signals, transfers data between main governor controller and external communication devices.
Installation Requirements Install inside governor cabinet; connect all field wiring terminals; verify communication after replacement.
Usage Notes Protect PCB from static discharge; check terminal tightness periodically.
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