Manufacturer: BECKHOFF
Product No.: BK2010
Country of origin:Germany
Product Type: Bus Couplers
Payment: T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months
Designed to integrate modular I/O nodes with high-speed fiber-optic networks, the Beckhoff BK2010 establishes a reliable connection between the Lightbus fieldbus system and electronic Bus Terminals. This economy-class bus coupler processes up to 256 digital input and 256 digital output signals across up to 64 modular bus terminals. The unit features built-in electrical isolation rated at 500 Veff between the internal K-bus and the supply voltage, safeguarding the core control architecture from field-side electrical disturbances. Compact and dynamic, the device is engineered for DIN-rail mounting in space-constrained control cabinets.
| Parameter | Value / Rating |
|---|---|
| Manufacturer | Beckhoff Automation |
| Model Reference | BK2010 |
| Protocol System | Lightbus (Fiber-Optic) |
| Baud Rate | 2.5 MBaud |
| Supply Voltage | 24 V DC (+/- 10%) |
| Input Current | 85 mA typical, 300 mA maximum |
| K-Bus Output Current | 0.5 A maximum |
| Peripheral Capacity | 256 digital inputs / 256 digital outputs (32 input / 32 output bytes) |
| Power Contacts Rating | 24 V DC/AC, maximum 10 A load current |
| Isolation Voltage | 500 Veff (K-bus logic to supply voltage) |
| Configuration Interface | KS2000 compatibility |
| Ingress Protection | IP20 |
| Operating Temperature | 0 degC to +55 degC |
| Storage Temperature | -25 degC to +85 degC |
| Relative Humidity | 95% non-condensing |
| Unit Weight | 130 g |
| Shipping Weight (Calculated) | 0.35 kg (including standard protective box) |
| Country of Origin | Germany |
The BK2010 is the Economy variant of the standard BK2000 Lightbus Coupler. It is critical to note that the BK2010 provides a maximum of 0.5 A on the internal K-bus. If your physical I/O configuration (total energy demand of connected KL terminal modules) exceeds 0.5 A, you must integrate a KB1112 or similar auxiliary power supply terminal, or upgrade to the standard BK2000 to avoid system drops. Parameterization can be verified and modified using the KS2000 serial configuration interface.
Because Lightbus utilizes fiber-optic links (polymer optical fibers), signal attenuation can occur if bend radiuses are too sharp. Always maintain a minimum bending radius of 30 mm for standard fiber optic lines during cabinet installation. Additionally, keep optical connector faceplates clean; airborne dust in industrial spaces can settle on the transmitter and receiver optics, leading to communication errors or complete link degradation.
Ensure that the 24 V DC system supply is routed through appropriate line filtering if deployed alongside high-frequency AC variable speed drives. Grounding of the DIN rail is paramount: the coupler's integrated mounting foot establishes a ground reference path. Verify the rail is clean, unpainted, and properly bonded to the system protective earth star point.
Disconnect all system-side and field-side electrical sources before mounting or servicing this module. Failure to de-energize can damage sensitive optoelectronics and lead to uncontrolled machine states.
Mount the BK2010 vertically on a standard 35 mm symmetric DIN rail (EN 50022), engaging the metallic locking slide.
Connect the fiber-optic Lightbus cables. Pay close attention to standard optical TX (transmit) and RX (receive) direction indicators on the connector faceplate.
Wire the 24 V DC system power supply to terminals 1 and 5 (positive) and terminals 2 and 6 (negative) to power the internal electronics and bus logic.
Connect field-side power contacts (up to 24 V DC/AC) at terminals 3 and 7 (positive) and terminals 4 and 8 (negative) to establish power routing across the terminal bus.
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| Country of origin |
Germany
|
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