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Industrial Grade Analog Input Module WDS2 RS232/TTY

The Weidmüller WDS2 RS232/TTY is an interface converter from the WAVE series designed for serial communication in industrial automation environments. It converts digital RS232/TTY serial signals into a wire-based signal format, allowing transmission over long cable distances up to 1000 meters using twisted-pair wiring.

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Key Technical Parameters Type WDS2 RS232/TTY Version Interface converter, RS232, TTY Product Status Obsolete (End of Life: 2023-12-30) Communication Bi-directional Transmission channels Full duplex Transmission rate 19.2 kBit/s Transmission distance Max. 1000 m (twisted pair) Bit distortion < 1.5% Bit delay ≤ 3 μs Load ≤ 500 Ω Galvanic isolation 3-way isolator Insulation voltage 2 kV DC / 1 min. Impulse withstand voltage 4 kV Configuration DIP switch (DTE/DCE switchable) Status indication LED green: supply voltage, TxD, RxD Supply Voltage & Power Parameter Value/Description Supply voltage 24 V DC ± 20 % Power consumption ca. 0.8 W Current-carrying capacity ≤ 2 A Interface Connections Parameter Interface 1 (RS232/TTY) Interface 2 (Output) Connection type SUB-D9 (male plug) Screw connection Assignment DTE/DCE switchable via DIP switch - Shield connection - KLBÜ 4-6/Z1 Dimensions & Weight Parameter Value/Description Width 22.5 mm Height 112.4 mm Length (Depth) 92.4 mm Net weight 149 g Temperature Ranges Parameter Value/Description Operating temperature 0 °C ... 55 °C Storage temperature -20 °C ... 85 °C Connection Data (Screw terminals) Parameter Value/Description Connection type Screw connection Stripping length 7 mm Tightening torque, min. 0.4 Nm Tightening torque, max. 0.5 Nm Clamping range 0.5 ... 2.5 mm² Insulation & Standards Parameter Value/Description EMC standards EN 55011, EN 61000-6-2, EN 61000-6-4 Rated voltage (adjacent circuits) 300 V Rated voltage (circuits to PE) 150 V Pollution severity 2 Overvoltage category III Protection degree IP20