Beckhoff BK3150 PROFIBUS Bus Coupler 12 Mbaud for PLC Automation

Description

The Beckhoff BK3150 is a compact PROFIBUS DP Bus Coupler designed to link Beckhoff modular Bus Terminals (KLxxxx series) to high-speed PROFIBUS fieldbus networks. It acts as an intelligent slave interface, converting incoming fieldbus telegrams into internal K-bus communication logic for real-time digital and analog signal exchange.

Featuring automatic baud rate detection up to 12 Mbaud and a space-saving housing, the BK3150 extends Beckhoff I/O capabilities in a cost-effective format. In Bangladeshi industrial facilities—such as textile spinning plants, garment processing units, chemical factories, and packaging operations—the BK3150 allows automation engineers to integrate cost-effective Beckhoff I/O blocks into legacy Siemens S7 or PROFIBUS PLC networks without replacing main control infrastructures.

Key Features

• Auto-Baud Rate Detection: Automatically detects fieldbus transmission speeds up to 12 Mbaud for seamless network integration.
• Rotary Address Switches: Includes two physical address selection switches for fast hardware assignment of PROFIBUS station addresses.
• High Terminal Capacity: Connects up to 64 individual Bus Terminals locally and up to 255 terminals using K-bus extension modules.
• Standard D-Sub 9-Pin Interface: Standard 9-pin sub-D female connector allows direct attachment of PROFIBUS bus plugs (e.g., ZS1031-3000 or ZB3100).
• Compact Modular Housing: Space-saving design mounts directly onto standard 35 mm DIN rails inside dense control enclosures.
• Diagnostic Status LEDs: Clear visual LEDs indicate power supply status, fieldbus communication state, and internal K-bus errors.

Technical Advantages

• High Efficiency: Low board power consumption reduces internal panel heat buildup and minimizes auxiliary power draw.
• Durable Construction: Built to withstand continuous industrial duty, electrical noise, and mechanical vibration.
• Safety Protection: Galvanic isolation between PROFIBUS DP interface circuits and field-side electronics protects against line surges.
• Energy Saving: Optimized hardware architecture lowers standby power draw across active I/O nodes.
• Easy Maintenance: Rotary hardware addressing and tool-free DIN-rail mounting simplify field replacement and maintenance.

Applications

• Residential: Not applicable (designed exclusively for industrial and commercial control systems).
• Commercial: Commercial building management, HVAC network integration, and automated sorting machinery.
• Industrial: Automated packaging machinery, conveyor systems, material handling lines, and process control stations.
• Factory: Textile spinning and weaving machines, garment automated processing, printing machinery, and plastic extrusion.
• Office: Commercial facility management and automated access control setups.
• Project Installation: Control panel building, PLC I/O expansion, legacy PROFIBUS machine retrofits, and factory fieldbus upgrades across Bangladesh.

Why Choose This Product?

• Reliability: Built by Beckhoff Automation in Germany, ensuring long operational service life and robust fieldbus stability.
• Performance: Supports 12 Mbaud communication for fast data exchange between master PLCs and remote I/O points.
• Cost Effectiveness: Compact “compact-line” housing provides a lower-cost entry point for expanding fieldbus I/O nodes.
• After-Sales Value: Proven standard fieldbus module supported across Bangladesh with ready availability on loopshop.com.bd.

Technical Specification Table

Features List

✓ PROFIBUS DP bus coupler with automatic baud rate detection up to 12 Mbaud

✓ Supports up to 64 local Bus Terminals (up to 255 with K-bus extension)

✓ Rotary switches for quick hardware station address assignment

✓ Standard 9-pin D-sub female connector for PROFIBUS bus plugs

✓ Compact 35 mm DIN-rail mount housing with diagnostic LEDs

Benefits For Customers

• Reduces Electricity Cost: Efficient 24V DC power management keeps control panel heat and energy usage minimal.
• Improves Operational Reliability: High noise immunity and galvanic isolation protect master controllers from fieldbus transients.
• Saves Maintenance Cost: Auto-baud detection and clear diagnostic LEDs shorten setup time and simplify troubleshooting.
• Suitable for Bangladesh Environment: Operates dependably across panel ambient temperatures up to 55°C in BD factory environments.

Installation & Maintenance Guide

Installation Requirements:

1. Snap the BK3150 coupler vertically onto a grounded 35 mm DIN rail (EN 60715) inside an IP54-rated control enclosure.
2. Connect 24V DC power to the supply terminals, observing correct polarity.
3. Plug a standard 9-pin D-sub PROFIBUS cable connector (such as ZS1031-3000 or ZB3100) into the front socket and tighten retaining screws.
4. Set the rotary switches to the assigned PROFIBUS node address before powering up the system.

Maintenance Tips:

1. Ensure the PROFIBUS line termination resistor is switched ON at the physically last node of the network cable.
2. Keep ventilation slots clean and free of dust or oil mist using low-pressure dry compressed air.
3. Check D-sub retaining screws and terminal connections periodically to prevent loose contacts.

Safety Instructions:

1. Always turn off the 24V DC main power supply before attaching, removing, or swapping bus terminals or network plugs.
2. Confirm the 35 mm DIN rail is securely connected to the main control panel protective earth (PE) ground busbar.
3. Installation, field wiring, and system commissioning must be performed by qualified control engineers or trained technicians.

Frequently Asked Questions (FAQ)

Q: What is the price of Beckhoff BK3150 PROFIBUS Bus Coupler in Bangladesh?

A: The price of the Beckhoff BK3150 in Bangladesh depends on import conditions and current stock levels. Please check loopshop.com.bd or contact our customer support for live quotes and pricing.

Q: Where can I buy genuine Beckhoff BK3150 in Bangladesh?

A: You can purchase original Beckhoff BK3150 PROFIBUS bus couplers directly online from loopshop.com.bd with nationwide delivery across Bangladesh.

Q: What warranty does this product have?

A: Warranty coverage depends on store policy and product condition (new or surplus tested). Please contact loopshop.com.bd customer service for specific terms.

Q: Is the Beckhoff BK3150 suitable for the Bangladesh climate?

A: Yes, with a rated operating temperature up to 55°C and industrial-grade construction, it handles warm factory panel environments in BD reliably.

Q: How to install this product?

A: Mount the coupler on a standard 35 mm DIN rail, set the node address using the rotary switches, attach the 24V DC power supply and 9-pin D-sub PROFIBUS cable, and slide compatible KL terminals onto the right side.

Q: What is the maximum transmission speed supported by the BK3150?

A: The BK3150 supports PROFIBUS DP transmission speeds up to 12 Mbaud with automatic baud rate detection.

Q: How many bus terminals can be connected to the BK3150?

A: It supports up to 64 Bus Terminals directly, and up to 255 terminals when using K-bus extension modules.

Q: What type of network connector does the BK3150 use?

A: It uses a standard female 9-pin D-sub connector compatible with PROFIBUS connectors such as ZS1031-3000 or ZB3100.

Q: Which terminal series works with the BK3150 coupler?

A: The BK3150 is designed for Beckhoff’s classic K-bus Bus Terminal series (KLxxxx digital/analog terminals).

Q: How do I assign the PROFIBUS station address on the BK3150?

A: Station addresses are set manually using the two physical rotary switches located on the front of the coupler housing.