Beckhoff EL1809 – Overview The Beckhoff EL1809 is a 16-channel digital input terminal for 24 V DC sensors, designed for compact and efficient signal acquisition in EtherCAT systems. It transmits binary control signals directly to the controller, featuring fast response times and clear LED indication for each input channel, making it ideal for space-constrained industrial automation panels. Key Features 16 digital inputs, 24 V DC Input filter time of 3.0 ms LED indicators for each channel Compact 12 mm housing width Electrical isolation between signal and E-bus (500 V) Power supplied via EtherCAT system bus IP20 protection rating DIN-rail mountable module Technical Specifications Part Number: EL1809 Number of Inputs: 16 Nominal Input Voltage: 24 V DC (-15 % / +20 %) Input Current: Approx. 2.4 mA per channel at 24 V DC Input Filter: 3.0 ms Electrical Isolation: 500 V (E-bus / signal) Signal Type: Single-ended, 0 = low (< 5 V DC), 1 = high (> 11 V DC) Input Impedance: Approx. 10 kΩ Bus Interface: EtherCAT Current Consumption (E-bus): 90 mA typical Housing Width: 12 mm Protection Rating: IP20 Mounting: 35 mm DIN-rail Operating Temperature: -25 °C … +60 °C Storage Temperature: -40 °C … +85 °C Manufacturer: Beckhoff Automation Weight: 0.10 – 0.23 kg (0.22 – 0.50 lb) Packed Dimensions: 12 × 7 × 6 cm (4.7 × 2.8 × 2.4 in) Applications High-density digital input acquisition in industrial automation Monitoring of sensors, switches, and push-buttons Machine and process control systems with EtherCAT I/O Compact control cabinets with limited space Building and energy automation requiring fast signal capture Why Choose Beckhoff EL1809 Doubled input capacity in the same slim 12 mm housing Fast signal response with integrated 3 ms input filter Clear visual feedback via LED per channel Fully compatible with EtherCAT I/O systems Space-saving and reliable for modern automation networks Order Now The Beckhoff EL1809 16-Channel Digital Input Terminal is available for order and ships worldwide.
