BK5150 - Beckhoff EtherCAT Bus Couplers
Beckhoff BK5150 EtherCAT Bus Couplers provide reliable fieldbus integration with scalable communication for modern industrial automation systems.
| Brand | Beckhoff |
| Product Type | EtherCAT Bus Couplers |
| Product | BK5150 |
BK5150 Beckhoff EtherCAT Bus Couplers Technical Specifications
| Specification | Value |
|---|---|
| Number of Bus Terminals | 64 (255 with K-bus extension) |
| Max. number of bytes fieldbus | 16 Tx/Rx PDOs |
| Data transfer rates | automatic detection up to 1 Mbaud |
| Bus interface | open style connector, 5-pin |
| Data transfer medium | screened, twisted copper cable, 2 x signal, 1 x ground (recommended) |
| Power supply | 24 V DC (-15%/+20%) |
| Recommended fuse | ≤ 10 A |
| Current supply K-bus | 1750 mA |
| Weight | approx. 100 g |
| Operating temperature | -25...+60°C |
| Storage temperature | -40...+85°C |
| Relative humidity | 95%, no condensation |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 GcIECEx: Ex ec IIC T4 Gc |
| Housing - Design form | compact terminal housing with signal LEDs |
| Housing - Material | polycarbonate |
| Housing - Dimensions (W x H x D) | 44 mm x 100 mm x 68 mm |
| Housing - Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Housing - Side by side mounting by means of | double slot and key connection |
| Housing - Marking | labeling of the BZxxxx series |
| Housing - Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Housing - Connection cross-section | s*: 0.08...2.5 mm²,st*: 0.08...2.5 mm²,f*: 0.14...1.5 mm² |
| Housing - Stripping length | 8...9 mm |
| Housing - Current load power contacts | Imax: 10 A |
| Number of PDOs (CANopen) | 16 Tx/Rx PDOs |
| Additional CANopen features | life, node guarding, emergency object, variable mapping, store/restore |
| PDO modes | synchron, cyclic, event driven, polling |
| Serial interface | configuration interface |
| Diagnostics LED | 2 x power supply, 2 x K-bus, 2 x fieldbus |
The Beckhoff BK5150 Bus Coupler is engineered for stable and flexible communication in automation networks. It supports up to 64 Bus Terminals, expandable to 255 with K-bus extension, while offering 16 Tx/Rx PDOs with advanced features such as node guarding, variable mapping, and emergency object handling. With automatic baud rate detection up to 1 Mbaud and a 5-pin open style connector, it ensures secure and efficient data exchange using shielded twisted copper cables.
The BK5150 runs on a 24 V DC supply with protection through recommended ≤10 A fusing, and provides a 1750 mA K-bus current for I/O handling. With 500 V electrical isolation, it safeguards supply voltage and fieldbus communication. Compact at 44 x 100 x 68 mm and weighing only 100 g, the coupler includes diagnostic LEDs for power, K-bus, and fieldbus status, enabling easier troubleshooting. It meets global standards with CE, UL, ATEX, and IECEx certifications, and performs reliably across ambient conditions from -25°C to +60°C.
Applications of the BK5150 Bus Coupler include process automation, robotics, conveyor systems, packaging machinery, and distributed control systems. Junior engineers value its straightforward configuration via KS2000 and clear LED indicators, while senior professionals rely on its stability, PDO management, and robust safety certifications. Maintenance teams appreciate its rugged polycarbonate housing and IP20 protection rating, ensuring long-term performance in industrial environments. For scalable, safe, and dependable EtherCAT Bus Couplers, the Beckhoff BK5150 remains a trusted choice. Request a call back today to get expert guidance for your automation setup.
