BK7300

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The BK7300 is a compact EtherCAT Bus Coupler with a supply voltage of 24 V DC and IP20 protection class. Designed by Beckhoff as part of the BK EtherCAT Bus Couplers series, it supports up to 64 bus terminals and 256 digital input/output signals. The coupler features a D-Sub RS 485 bus connection.

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Product Description:

The Beckhoff BK7300 EtherCAT Bus Coupler is a device used to connect and control other equipment in an EtherCAT network for various industrial processes. This bus coupler is designed to run on a 24 V DC supply voltage, with a current consumption of 70 mA + total K-bus current / 4mA, to provide high power output. The K-bus supply current is adjustable and offers a maximum current of 1750 mA, thus sufficient for powering connected devices. It is controlled by a PC software called KS2000 or a controller to enable integration of the coupler with different systems. It has up to 64 bus terminals and up to 256 digital peripheral signals, 128 analogue peripheral signals and can perform intricate automation operations.

The baud rate of the BK7300 is an essential factor for improving the speed of communication within the system. Ranging from 150 baud to 38,400 baud, this feature allows users to select the appropriate speed for the specific application. Lower baud rates are suitable for simple, slower communication, while higher rates are ideal for systems requiring faster data transfer. This flexibility ensures that the BK7300 can be adapted to various industrial setups, while balancing speed with reliability to meet specific needs.

The integration of RTU and ASCII provides flexibility and improved communication protocols. RTU is used for binary data transfer and is free from major errors, whereas ASCII is suitable for more user-friendly formats, as data needs to be further processed or directly comprehensible by a human. This means that the BK7300 can work in various systems that need both protocols, whether for real-time control or data storage. This makes it suitable for use in industrial automation systems.

Analogue Peripheral Signals
128 inputs/outputs
Baud Rate
150 baud to 38,400 baud
Bus Connection
D-Sub RS 485; 9-pin
Configuration Facility
Via KS2000 software or controller
Digital Peripheral Signals
256 inputs/outputs
Input Current
70 mA + (total K-bus current)/4; 500 mA max.
K-bus Supply Current
Up to 1750 mA max.
Number Of Bus Terminals
64
Operating Temperature
0C to +55C
Power Contacts Current Drawn
10 A max.
Power-on Surge
2.5 x steady operating current
Protection Class
IP20
Protocol
RTU and ASCII
Supply Voltage
24 V DC
Voltage Of Power Contact
24 V DC/AC max.

Frequently Asked Questions about BK7300:

Q: What is the supply voltage of this BK7300 bus coupler?

A: The supply voltage of this BK7300 bus coupler is 24 VDC.

Q: What is the input current of this BK7300 bus coupler?

A: The input current of this BK7300 bus coupler is 70 mA + (total K-bus current)/4; 500 mA max..

Q: What is the K-bus supply current of this BK7300 bus coupler?

A: The K-bus supply current of this BK7300 bus coupler is up to 1750 mA max.

Q: What is the power on surge of this BK7300 bus coupler?

A: The power on surge of this BK7300 bus coupler is 2.5 x steady operating current.

Q: What is the standard IP rating of this BK7300 bus coupler?

A: The standard IP rating of this BK7300 bus coupler is IP20.


Internal Product Review

  • ‘‘The BK7300 bus coupler stands out for its versatility and ease of integration in automation systems. Its support for numerous digital and analog signals provides significant expansion potential, making it perfect for applications requiring high I/O capacity. ’’

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