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High Precision Industrial Control Module UR20-BASIC-4AI-U-12

UR20-BASIC-4AI-U-12 is a compact 4-channel single-ended analog voltage remote I/O module belonging to Weidmüller u-remote UR20 series. It adopts DIN rail modular design, 12-bit high-resolution signal acquisition, supports multiple standard voltage signal inputs, and realizes seamless data transmission between field analog sensors and PLC/DCS controllers via mainstream industrial fieldbus protocols.

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Technical Specifications 1. Electrical Parameters Model: UR20-BASIC-4AI-U-12 Order Number: 1394390000 Number of Channels: 4 single-ended analog voltage input channels Resolution: 12 Bit Supported Voltage Input Ranges: ±5 V, ±10 V, 0…5 V, 0…10 V, 1…5 V, 2…10 V Internal Input Resistance: 100 kΩ (Voltage Mode) Conversion Time: 1 ms per channel Measurement Accuracy: ±0.1 % FSR Power Supply: 24 V DC (18～30 V DC) Reverse Polarity Protection: Supported Sensor Wiring Mode: 2-wire / 3-wire connection per channel Channel Indicator: Independent status LED for each AI channel 2. Communication & Compatibility Supported Fieldbus Protocols: PROFINET RT/IRT, EtherCAT, Modbus TCP, EtherNet/IP, PROFIBUS DP Hot Swap: Module supports hot plug replacement without system power off 3. Mechanical Parameters Mounting: Standard 35 mm DIN rail mounting Protection Class: IP20 (cabinet indoor installation) Module Dimension: W11.5 mm × H120 mm × D76 mm Net Weight: Approx. 103 g Terminal Type: Screw terminal, applicable wire cross-section: 0.5～2.5 mm² 4. Environmental Specifications Operating Temperature: -20 ℃ ～ +60 ℃ Storage & Transport Temperature: -40 ℃ ～ +85 ℃ Ambient Humidity: 10%～95% RH, non-condensing Pollution Degree: 2, Overvoltage Category: II Flame Retardant Grade: UL94 V-0 Certifications: CE, cULus, RoHS Compliant