Product Description:

The IP2401-B318 module produced by Beckhoff belongs to the IP Compact Box Units series and functions as a field-mounted digital I/O station for industrial automation. By converting discrete sensor inputs and actuator outputs into network telegrams, it allows control hardware to be placed close to the machine and reduces cabinet wiring. The unit reports signal states and switches loads directly on the production line while staying coordinated with the central controller. This arrangement suits conveyors, assembly stations, and similar equipment where decentralized I/O shortens cable runs and keeps device connections close to the process.

Each input draws 6 mA from the 24 VDC supply and uses a 3.0 ms input filter to suppress contact bounce. The module provides 8 inputs and 8 outputs, and each output can source up to 0.5 A while maintaining inverse-polarity protection. Internal isolation between the control and fieldbus sections separates logic from power lines, and a 20 mA load-voltage bias helps keep the signal state stable when long sensor cables are used. The sensor supply feeds external transducers, and short-circuit current limiting lets the output stages tolerate brief faults without causing unnecessary disturbance to the rest of the station.

A 4-Pin power and data header mates with an M8 screw-in signal connection, so tools are unnecessary during service. Communication runs on the PROFIBUS network through a tee-connector, and the process image transfers 8-bit data in each direction for deterministic cyclic exchange. The connection layout supports direct installation near sensors and actuators, which helps keep branch wiring short and organized. Because signal handling and load switching are combined in one compact housing, the module can serve as a local interface point for distributed machine sections.