4-086-05-0628 Homag Machine Tool Parts Bk1250 Beckhoff Bus Coupling Coupler

1、K-bus Expansion Compatibility

As a bus coupler, it is stably compatible with Beckhoff's standard K-bus protocol and can achieve seamless connection with various K-bus terminal modules (such as digital input/output terminals, analog acquisition terminals, etc.), ensuring the consistency of data transmission during expansion.

2、Ethernet Interface Stability

Equipped with a 10/100 Mbps auto-negotiation Ethernet interface, it supports full-duplex communication mode and has the function of automatically negotiating network speed and duplex mode, which can reduce manual debugging steps during network connection and ensure continuous and stable communication with upper computers (such as industrial PCs, PLCs).

3、Standardized Installation Design

Adopting DIN rail mounting method, it meets the EN 50022 standard rail size requirements, and can be uniformly arranged with other industrial control equipment (such as relays, power modules) installed on DIN rails, improving the regularity of installation in the control cabinet and simplifying disassembly and maintenance operations.

4、Power Input Protection Mechanism

 Built-in overcurrent protection and overvoltage protection circuits. When the input power supply has current overload or abnormal voltage fluctuation (such as instantaneous high-voltage impact), it can automatically cut off or limit the power output to prevent damage to the internal circuit of the module and the connected I/O components due to power failure.

5、Clarity of Status Indication

The front of the module is equipped with multiple LED status indicators, corresponding to power status (Power), Ethernet communication status (Ethernet), K-bus communication status (K-bus) and fault alarm (Error) respectively. It can intuitively reflect the real-time operation of the module, facilitating staff to quickly locate faults (such as communication interruption, power abnormality).

6、Low-Power Operation Characteristic.

 Under normal working conditions, the module has low power consumption (typical value is about 2W), which can not only reduce the energy consumption of the overall system, but also reduce the heat generation of the module itself, extend the service life, and is especially suitable for industrial scenarios that run continuously for a long time.

1、Small and Medium-sized Industrial Automation Production Line Control

It is suitable for small and medium-sized production lines such as auto parts assembly lines, electronic component placement lines, and food packaging lines. By expanding K-bus terminal modules, it can realize centralized access and data collection of sensors (such as position sensors, temperature sensors) and actuators (such as air cylinders, small motors) in the production line. It cooperates with upper computers to complete control tasks such as equipment start-stop and process parameter monitoring, ensuring the continuous and stable operation of the production line.

2、Intelligent Warehousing and Logistics Equipment Control

It can be applied to warehousing and logistics equipment such as intelligent shelves, automatic sorters, and AGV (Automated Guided Vehicle) scheduling systems. As a core component for bus signal conversion and data transmission, it connects infrared detection sensors, code scanners, conveyor drive modules, etc. in the warehousing environment, realizing functions such as cargo position identification, sorting instruction issuance, and equipment operation status feedback, and improving the automation and intelligence level of the warehousing and logistics link.

3、Industrial Equipment Condition Monitoring and Data Acquisition Systems (SCADA/DCS Subsystems)

4、New Energy Equipment Auxiliary Control

It is suitable for new energy equipment such as photovoltaic inverter inspection systems and battery management subsystems of small energy storage power stations. It can be expanded to connect voltage and current detection modules and temperature inspection modules, collect key electrical parameters and ambient temperature data in real time during the operation of new energy equipment, and transmit them to the control unit through a stable communication link. It assists in realizing functions such as equipment power adjustment, overload protection, and abnormal working condition handling, ensuring the safety and efficiency of new energy equipment operation.

5、Control Scenarios in Low-Temperature and Industrial Interference Environments

With its wide operating temperature range of -25℃~+60℃ and electromagnetic interference resistance in line with EN 61000-6 series standards, it can be applied to special environments such as cold storage automation control (such as temperature monitoring and door control of food cold storage), machine tool workshops (equipment collaboration in high electromagnetic interference environments), and outdoor small industrial control cabinets (such as pump station control in municipal facilities). It can still maintain stable bus communication and I/O expansion capabilities under complex working conditions, meeting industrial control needs in harsh environments.

1、Beckhoff Module BK1250 is an EtherCAT/K-bus bus coupler specifically designed for distributed control scenarios in industrial automation. Its core positioning is to build a communication bridge between the EtherCAT master station and K-bus slave terminal modules, realizing signal conversion and data interaction between the two bus protocols, and providing a centralized management and standardized access solution for scattered I/O devices in industrial sites.

2、In terms of hardware architecture, the module adopts a compact housing design with an overall size of only 12mm×100mm×68mm and a weight of approximately 55g. It can be directly installed on a 35mm standard DIN rail (complying with EN 60715 standard), allowing flexible integration into industrial control cabinets with limited space. It also supports side-by-side layout with other industrial control components (such as power modules and relays) installed on DIN rails, adapting to the high-density equipment installation requirements inside control cabinets. The front of the module integrates multiple groups of LED status indicators, corresponding to power supply, Ethernet communication, K-bus communication, and fault alarm status respectively. These indicators can intuitively reflect the real-time operation status, facilitating on-site operation and maintenance personnel to quickly identify abnormalities (such as communication interruption and power failure) and troubleshoot problems.

3、In terms of function implementation, the BK1250 takes the EtherCAT protocol as the core communication link, supporting a data transmission rate of 100Mbit/s, which ensures high-speed data interaction with upper-level control equipment (such as industrial PCs and PLCs). At the same time, it is compatible with the full range of Beckhoff K-bus terminal modules through the K-bus interface, including digital input/output terminals, analog acquisition/output terminals, and special-function terminals (such as counter terminals and temperature measurement terminals). A single module can directly connect 64 K-bus terminal modules, and up to 255 modules can be connected through K-bus expansion, covering the access needs of most I/O signal types in industrial sites.

4、In terms of power supply and protection design, the module adopts a 24V DC wide-voltage input (voltage range: -15%~+20%) and has built-in overcurrent and overvoltage protection circuits, which can prevent damage to the module and downstream I/O equipment caused by abnormal fluctuations of the input power supply. Additionally, it features 500V electrical isolation (power contact/power voltage/Ethernet), combined with electromagnetic interference/radiation resistance compliant with EN 61000-6-2/EN 61000-6-4 standards, and vibration/shock resistance compliant with EN 60068-2-6/EN 60068-2-27 standards. It can operate stably in a wide temperature working environment of -25℃~+60℃ and industrial scenarios with high electromagnetic interference and frequent vibrations (such as machine tool workshops and chemical sites), meeting the reliability requirements of harsh industrial working conditions.

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