Key Technical Parameters Parameter Specification Type UR20-16DO-P Version Remote I/O module, IP20, Digital signals, Output, 16-channel Outputs 16 digital outputs (P-switching) Actuator Connection 1-conductor (single-wire) Electrical Specifications Parameter Specification Supply Voltage 24 V DC (+20% / -15%) via the system bus Output Current per Channel Max. 500 mA Output Current per Module Max. 8,000 mA (8A) Max. Switching Frequency (Resistive Load) 1 kHz (min. 47 Ω load) Max. Switching Frequency (Lamp Load) 1 kHz (12 W) Max. Switching Frequency (Inductive Load) 0.2 Hz (DC13) Response Time (ON) Max. 100 µs Response Time (OFF) Max. 250 µs Short-Circuit Protection Yes (thermal cut-out, auto restart) Switch-Off Energy (Inductive) < 150 mJ per channel Leakage Current (when OFF) < 0.5 mA Module Diagnosis Yes (1 Bit diagnostic data) Individual Channel Diagnosis No Galvanic Isolation 500 V DC (channel to field/system bus) Mechanical Specifications Parameter Specification Dimensions (W x H x D) 11.5 mm x 120 mm x 76 mm Net Weight 83 g Mounting TS 35 rail Connection Technology PUSH IN Wire Cross-section (solid/fine-stranded) 0.14...1.5 mm² (AWG 26...16) Protection Class IP20 Environmental & Compliance Parameter Specification Operating Temperature -20°C to +60°C Storage Temperature -40°C to +85°C Air Humidity 10% to 95%, non-condensing Shock Resistance 15 g over 11 ms, half sinus wave (IEC 60068-2-27) Vibration Resistance 5 Hz ≤ f ≤ 8.4 Hz: 3.5 mm amplitude / 8.4 Hz ≤ f ≤ 150 Hz: 1 g acceleration Pollution Severity 2 Overvoltage Category II Flammability Rating UL 94 V-0 Certifications cULus (E141197), DNV/GL, ABS, Lloyds Register, CCC, CE, UKCA, ATEX, IECEx RoHS Status Compliant with exemption (Lead 7439-92-1) System & Communication Parameter Specification Process Data 2 Bytes System Bus Speed Max. 48 Mbit/s Current Consumption (Isys) 8 mA (typical) Current Consumption (IOUT) 20 mA + load Fieldbus Protocols PROFINET IRT/RT, EtherCAT, Modbus/TCP, EtherNet/IP, CANopen, CC-Link, and many more