AD202MR_Foxboro_PRODUCT_吉林易择科技技术发展有限公司

Model Number AD202MR Function Type Single-Channel RTD Input Isolator/Converter Input Signal RTD (e.g., Pt100). Supports 2-wire, 3-wire, or 4-wire connection (dependent on exact model configuration). Output Signal 4-20 mA analog current output, linearly proportional to the temperature. Number of Channels 1 Isolation Input/Output/Power Supply triple-way isolation (typically 1500 VAC). This prevents ground loops and noise. Power Supply Requires an external power source, typically 24 VDC. Accuracy High typical accuracy, e.g., ±0.1% of span. Load Capacity The 4-20 mA output can typically drive a load up to 600 Ω. RTD Types Configurable for various types (e.g., Pt100, Pt500, Ni120) with adjustable temperature spans. Operating Temperature -20°C to +70°C (standard industrial range). Mounting Standard 35mm DIN rail mounting. Certifications Typically carries CE, ATEX (for hazardous areas), FM, IECEx certifications.

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DESCRIBE

The Foxboro AD202MR is a single-channel analog signal isolator and converter designed for DIN-rail mounting in industrial control panels. Its primary function is to interface directly with RTD (Resistance Temperature Detector) temperature sensors. It converts the RTD's resistance signal into a standardized 4-20 mA output signal, while providing complete electrical isolation between the input, output, and power supply. This ensures accurate and reliable temperature data is delivered to the control system (such as a Foxboro I/A Series DCS or a PLC).

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