EL1814 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
MPN: EL1814-0000
The Beckhoff EL1814 is part of the EL EtherCAT Terminals series and features 16 terminal points with a direct plug-in or push-in connection method. It has four inputs using 3-wire technology, a nominal input voltage of 24 V DC, and a housing width of 12 mm. The protection class is IP20, and it is designed for mounting on a 35 mm rail.
Internal Product Review
The Beckhoff EL1814 is an EtherCAT input terminal with 4 inputs at 24 V DC. Direct plug-in/push-in connection and a 10 µs input filter support fast, clean signal acquisition in control cabinets. IP20 protection and through-connected power contacts make this terminal a strong choice for efficient EtherCAT I/O expansion.
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Product Description:
The EL1814 digital input terminal is produced by Beckhoff within the EL EtherCAT Terminals series. Designed for decentralized control cabinets, the slice accepts sensor signals and transfers them to the EtherCAT bus. Field wiring is implemented with a direct plug-in push-in method that supports 3-wire connections for sensor power, signal, and common. The electronics are fed via the through-connected power contacts, and a 0 V reference on the same backplane establishes the ground for all channels. Because the installation position is variable, the module can be placed horizontally or vertically inside the enclosure without derating, allowing flexible panel layouts in industrial automation.
The digital front end is rated for a nominal logic level of 24 V DC, making it compatible with most industrial PNP proximity switches. Each of the 4 input channels passes through a hardware debounce stage with a 10 µs filter constant, which suppresses contact bounce while preserving fast edge detection. Signal conditioning follows the requirements of EN 61131-2 Type 1/3, so Type 1 sourcing and Type 3 sinking sensors can be mixed on the terminal. Despite this functionality, the slice occupies only 12 mm of DIN rail width, conserving cabinet space in high-density I/O nodes. The process data are sampled synchronously by the EtherCAT controller, ensuring deterministic acquisition at cycle times down to microseconds.
The circuit board and contacts are enclosed to IP20, so toolless insertion is confined to dry control cabinets. The housing snaps onto a 35 mm DIN rail. Field wiring is distributed over 16 push-in terminal points that seat solid or ferruled leads without screw tightening. In the EtherCAT domain, the module contributes 4 input bits to the controller’s process image, allowing one-to-one mapping between channel status and PLC variables.
