EJ1809-0000 Beckhoff
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The EJ1809-0000 is a single module from the Beckhoff EJ EtherCAT Plugins series. It has two coding pins, supports coding positions 1 and 3, and measures 12 mm wide, 66 mm high, and 55 mm deep. This module is designed for mounting on a signal distribution board and includes pin contacts at the rear.
Internal Product Review
The EJ1809-0000 is a Beckhoff EJ EtherCAT plugin module built for signal distribution board mounting in modular control systems. A single-module form factor and rear pin contacts give the unit a clean interface and straightforward integration. Two coding pins at positions 1 and 3 provide dependable keying, a strong detail for error-resistant assembly.
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Product Description:
The EJ1809-0000 is a compact EtherCAT plug-in module created by Beckhoff for use in the EJ EtherCAT Plugins series. Delivered as a keyed I/O slice, it enables machine builders to pre-engineer pluggable control sections that connect directly to the electrical backbone of an automation system. By joining the high-speed EtherCAT fieldbus, the device supports orderly exchange of digital signals between decentralized sensors, actuators, and the main controller while saving space inside the control cabinet.
This plug-in module occupies a frontal width of 12 mm on the carrier board, stands 66 mm tall from its base plane, and extends 55 mm to the rear, allowing dense side-by-side mounting without obstructing airflow. Its single-module form factor means each unit contains one functional block and installs independently rather than as a multi-segment assembly. A pair of mechanically keyed guides with 2 coding pins helps prevent displacement and reduces the chance of inserting an incompatible module. These dimensions also help maintain consistent positioning on the carrier board during transport and repeated machine operation.
In addition to pin count, the coding element can be shifted to positions 1 and 3, providing two alternative key patterns for mixed racks while helping prevent cross-connection. The module is designed exclusively for a Signal Distribution Board, so field connectors remain on the front while rear solderless press-fit pin contacts mate with the board traces in one step. A minimum 4 mm clearance between the board surface and adjacent conductive parts is required to maintain dielectric spacing and to accommodate conformal coating where needed. These layout provisions help support stable installation and reliable communication during vibration or thermal cycling.
