Key Technical Parameters Parameter Specification Order No. 2617520000 Type UR20-4AI-I-HART-16-DIAG Version Remote I/O module, IP20, Analog signals, Input, 4-channel, HART® Dimensions & Weight Parameter Specification Width 11.5 mm (0.453 inch) Height 120 mm (4.724 inch) Depth 76 mm (2.992 inch) Net weight 88 g Electrical Specifications (Inputs) Parameter Specification Number of analog inputs 4 Input signal type Current I (0…20 mA, 4…20 mA) Sensor connection 2-wire, 3-wire, 4-wire Internal resistance 250 Ω Resolution 16 Bit Accuracy 0.1% FSR Conversion time 1 ms Sensor supply Yes (loop-powered) Reverse polarity protection Yes Galvanic isolation 500 V DC between the current paths HART® Communication Parameter Specification HART master capability Yes (integrated modem per channel) HART operating modes Point-to-point (P2P), Multidrop (up to 5 devices) Power Supply Parameter Specification Supply voltage 24 V DC (+20% / -15%) via the system bus Current consumption (Isys, typ.) 8 mA Current consumption (IIN) 27 mA + sensor feed System & Fieldbus Parameter Specification Interface u-remote system bus System bus transmission rate Max. 48 Mbit/s Fieldbus protocol support PROFINET IRT, EtherCAT, EtherNet/IP, Modbus/TCP, PROFIBUS DP-V1 Connection Data Parameter Specification Connection type PUSH IN Wire cross-section (solid) 0.14…1.5 mm² (AWG 26…16) Wire cross-section (stranded) 0.14…1.5 mm² (AWG 26…16) Environmental & Compliance Parameter Specification Operating temperature -20°C … +60°C Storage temperature -40°C … +85°C Protection class IP20 Mounting rail TS 35 Flammability rating UL 94 V-0 RoHS status Compliant with exemption cULus certificate no. E141197