BK5200 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The BK5200 is a communications adapter from Beckhoff and part of the BK EtherCAT Bus Couplers series. It supports 256 analog and 512 digital I/O peripheral signals, with a maximum fieldbus data of 512 bytes in and out. This device is rated for a nominal supply voltage of 24 V DC and mounts on a 35 mm DIN rail.
Internal Product Review
The BK5200 is a Beckhoff bus coupler communications adapter that supports up to 64 Bus Terminals and 512 B in / 512 B out of fieldbus data. From a controls standpoint, capacity for 512 digital I/O and 256 analog I/O makes integration efficient across mixed-signal assemblies. With 24 V DC operation and IP20 protection, this unit is a strong choice for clean cabinet installations.
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Product Description:
The BK5200 is a bus coupler produced by Beckhoff in the BK EtherCAT Bus Couplers series. Designed for mounting beside modular terminals, it serves as a communication adapter on DeviceNet networks while linking the local K-bus to the control system. By translating process data between the fieldbus and the terminal segment, the unit allows compact I/O stations to be integrated into centralized PLC architectures for machine control and building automation. This arrangement lets a terminal stack exchange control and status data through a single coupler, which helps keep distributed I/O sections compact.
The coupler supports up to 512 I/O digital channels, allowing high-density signal acquisition for discrete sensors and actuators. It also supports 256 I/O analog channels, so mixed-signal systems can share the same backplane without additional couplers. Network throughput matches DeviceNet data rates of 125 / 250 / 500 kbaud, and telegrams are regenerated for distribution on the local bus. Internal electronics are powered from a 24 V DC supply that also energizes the terminal bus, and the design withstands transient line peaks with a dielectric strength of 500 V between logic and field power. That channel capacity suits stations that combine switches, sensors, analog transmitters, and output devices in one node.
The K-bus can supply 1750 mA, which allows extensive terminal stacks before an auxiliary feed is required, and up to 64 bus terminals can be mounted beside the head module. Separate power contacts can carry up to 10 A, which allows output terminals to operate loads such as solenoid valves or relays without external distribution blocks. Fieldbus process images reach 512 B In / 512 B Out, and the enclosure meets IP20 protection. The unit is intended for use in environments with up to 95% relative humidity, and installation uses a 35 mm DIN rail, a 5-pin open plug, and a maximum input current draw of 500 mA. The separation between logic functions and load-side distribution helps organize wiring in compact control cabinets.
