Beckhoff PROFIBUS Compact Bus Coupler BK3150
$ 875
Part No: BK3150
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Supports up to 255 terminals with K-bus extension
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Automatic baud rate detection up to 12 Mbaud
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Compact housing with industrial protection (IP20)
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Electrically isolated and EMC compliant
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Ideal for industrial PROFIBUS applications
Beckhoff PROFIBUS Compact Bus Coupler BK3150
The Beckhoff BK3150 is a compact PROFIBUS Bus Coupler designed to interface up to 64 Bus Terminals, and up to 255 terminals with a K-bus extension. It provides automatic baud rate detection up to 12 Mbaud and integrates easily into industrial automation systems. Housed in a space-saving design, it supports high data throughput and robust electrical isolation. A D-sub 9-pin socket is available for reliable fieldbus connection, ensuring seamless data exchange and operational safety in harsh environments.
| Feature | Specification |
|---|---|
| Supported Terminals | 64 (255 with K-bus extension) |
| Max. Fieldbus Data | 128 bytes input, 128 bytes output |
| Baud Rate Detection | Automatic up to 12 Mbaud |
| Bus Interface | 1 × D-sub 9-pin socket |
| Transfer Medium | Shielded copper cable, 2 × 0.25 mm² |
| Power Supply | 24 V DC (±15–20%) |
| Input Current | 70 mA + (K-bus current)/4, max 500 mA |
| K-bus Current Supply | 1750 mA |
| Power Contact Rating | 24 V DC / 10 A (max.) |
| Electrical Isolation | 500 V |
| Weight | Approx. 100 g |
| Operating Temp. | -25 to +60 °C |
| Storage Temp. | -40 to +85 °C |
| Humidity | 95%, non-condensing |
| Vibration/Shock Resistance | EN 60068-2-6 / EN 60068-2-27 compliant |
| EMC Compliance | EN 61000-6-2 / EN 61000-6-4 |
| Protection Rating | IP20 |
| Approvals | CE, CCC, UL, ATEX, IECEx |
| EX Marking (ATEX/IECEx) | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Mounting Position | Variable |
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