IP2301-B310-0000 Beckhoff
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The Beckhoff IP2301-B310-0000 is part of the IP Compact Box Units series and operates on a PROFIBUS fieldbus system. It features 4 digital inputs and 4 digital outputs, each with a maximum output current of 0.5 A per channel and short-circuit protection. The unit has a rated load voltage of 24 VDC and uses M8 connectors for signal and feed connections.
Internal Product Review
The IP2301-B310-0000 is a compact PROFIBUS box I/O module suited for distributed machine-level control. A 24 VDC rated load voltage and 3.0 ms input filter support stable signal handling in fast industrial cycles. Short-circuit-proof outputs make this unit a dependable choice for protected channel operation.
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Product Description:
The IP2301-B310-0000 is an I/O compact box unit built by Beckhoff within the IP Compact Box Units series. It serves as a decentralized block that brings discrete sensing and actuation directly onto machinery while maintaining communication with the higher-level controller through PROFIBUS. By combining protected field connections and integrated electronics in one housing, the product simplifies wiring and supports distributed automation architectures. Its compact format allows signals to be connected near sensors and actuators, reducing the amount of cabling routed back to the main control enclosure.
The module handles 4 digital inputs and 4 digital outputs, providing a balanced channel count for small motion or utility functions. Each input draws only 6 mA from the sensor side, and the module reports data to the controller through a process image containing four input bits and four output bits. Downstream devices connect through one 4-pin M8 socket, while the upstream feed uses one 4-pin M8 connector. Both interfaces use screw-in signal connections that resist loosening when exposed to machine vibration. The output drivers can source up to 0.5 A per channel at the field level, and the supply rails accept a 24 VDC load voltage for compatibility with standard control supplies. Each output is galvanically separated from the PROFIBUS side, helping preserve logic integrity when electrical disturbances occur in the field circuit.
An input filter of 3.0 ms suppresses contact bounce before each state is transmitted over PROFIBUS. The sensor supply has a load current draw of 20 mA per channel. Short-circuit-proof electronics protect the power stage by interrupting an affected channel while allowing bus communication to continue. Isolation between the control and fieldbus sections helps prevent ground loops between the 24 V field domain and the network interface. For reactive loads, the module limits fault energy with a 1.5 A current clamp. The protected connections and isolated signal paths support operation in distributed control layouts where local switching and dependable network communication are required.
