IL2302-B110 Beckhoff
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The Beckhoff IL2302-B110 is part of the IL Coupler Box Units series and supports a control voltage of 24 VDC. It provides 4 digital inputs and 4 digital outputs with an IP65/66/67 protection class. The module supports EtherCAT protocol via two M12 D-coded fieldbus ports and allows a maximum control current of 0.5 A.
Internal Product Review
The IL2302-B110 is a Beckhoff IL Coupler Box Unit for EtherCAT (Direct Mode) with built-in 4 DI / 4 DO. IP65/66/67 protection and 100 Mbaud communication make the coupler especially well suited for distributed machine I/O in demanding installations.
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Product Description:
The IL2302-B110 is a decentralized I/O coupler box produced by Beckhoff as part of the IL Coupler Box Units series. Designed for industrial automation networks, the unit acts as the local interface between field sensors and actuators and an EtherCAT trunk. It integrates discrete inputs and outputs within an IP-rated housing so machines can extend real-time bus communication directly into cabinets, tooling fixtures, or moving assemblies while maintaining deterministic control.
Primary communication occurs on the EtherCAT line at a baud rate of 100 Mbaud, allowing cyclic process data to travel over copper cabling without additional switches. The box includes 4 DI / 4 DO on board, so small machines can be wired without extra terminals, and all electronics are supplied from a 24 VDC control circuit through the 4-pin M8 power feed. Up to 512 B in / 512 B out of process data are exchanged each cycle using EtherCAT (Direct Mode), accessed through two M12 D-coded sockets that support line or ring topologies. Process and auxiliary connections use bolted M12 connectors, and an IP-Link extension interface is available on the rear for additional modular segments. Two M3 mounting holes simplify panel or arm installation.
Beyond the embedded channels, the device can forward traffic for a distributed mix of 624 DI / 624 DO and up to 128 AI / 128 AO through downstream IP-Link modules, while the internal electronics draw no more than 0.5 A from the local supply. A maximum cable length of 100 m between coupler boxes supports large conveyor or gantry layouts without repeaters. The fully cast housing meets IP65/66/67, so it resists dust ingress and washdown exposure in demanding machine areas. Data is carried over 4 x 2 twisted pair Cat 5 copper, and the shielded D-coded connectors help preserve stable communication when the M12 bolts are tightened.
