BK3150-0900
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The Beckhoff BK3150-0900 is a part of the BK EtherCAT Bus Couplers series, designed with a D-sub 9-pin socket shielded bus interface. This coupler supports automatic data transfer rates up to 12 Mbaud and handles up to 64 bus terminals or 255 with a K-bus extension. It operates on a 24 V DC power supply.
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Product Description:
The BK3150-0900 Bus Coupler created by Beckhoff acting as a bridge between a fieldbus such as EtherCAT, PROFIBUS and I/O modules in industrial automation systems. The module comes under the series of BK EtherCAT Bus Couplers.
The BK3150-0900 EtherCAT coupler supports up to 128 analog I/O points which are useful for interfacing with sensors and actuators that use analog signals. Its communication with the fieldbus (likely PROFIBUS or a similar bus in a hybrid system) uses a 9 pin D sub connector with shielding for signal integrity and noise immunity. It is designed to be configured using Beckhoff’s KS2000 software or directly through a connected PLC or controller. Its own supply current depends on the K-bus load which consumes a base current and scales with the number of terminals that sum out at 320 mA. The coupler has a total of 500 volts of dielectric strength, which makes its internal isolation able to withstand up to 500 V between different voltage domains. It is resistant to interference and does not emit disruptive signals as it complies EN 61000-6-2 and EN 61000-6-4 standards. It is capable of managing up to 256 digital I/O points which are used for reading discrete sensors or controlling relays and lights.
The BK3150-0900 EtherCAT coupler is a lightweight design and it doesn’t require a fixed mounting orientation which is great for space constrained panels. The module automatically detects the communication speed and supports high speed protocols like PROFIBUS DP up to 12 Mbaud. It is featured with 64 bus terminals and up to 255 with extension hardware. Its internal galvanic isolation ensures no unwanted current paths between power, signal and communication.
Frequently Asked Questions about BK3150-0900:
Q: Why is galvanic isolation important in the BK3150-0900 EtherCAT Bus Coupler?
A: Galvanic isolation protects the system from voltage spikes and ground loops. It ensures stable communication between fieldbus and I/O modules in noisy environments.
Q: How does the automatic baud rate detection improve the BK3150-0900 setup?
A: Automatic detection simplifies integration with various fieldbus networks. It eliminates manual configuration, reducing setup time and potential communication errors.
Q: Why does the BK3150-0900 support up to 255 terminals with extension hardware?
A: This allows for flexible system expansion in large-scale applications. It enables users to scale without changing the base module.
Q: What role does the 9-pin D-sub connector play in BK3150-0900 communication?
A: The shielded 9-pin D-sub connector ensures noise-resistant communication. It provides stable data transfer in industrial electromagnetic environments.
Q: How does the 500 V dielectric strength enhance reliability in the BK3150-0900?
A: It prevents electrical breakdown between system components. This ensures long-term durability in high-voltage or fluctuating environments.
