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Beckhoff BK3120

SKU: BK3120
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$330.00
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Beckhoff BK3120 – Overview

The Beckhoff BK3120 is a bus coupler designed for PROFIBUS DP networks in automation systems. As part of the “Economy Plus” series, it supports up to 64 Bus Terminals (or up to 255 with K-Bus extension) and features automatic detection of baud rates up to 12 Mbaud. Ideal for connecting modular I/O terminals in distributed control environments.


Key Features

  • Supports PROFIBUS DP with automatic baud rate detection up to 12 Mbaud

  • Supports up to 64 Bus Terminals (expandable to 255 with K-Bus extension)

  • Data exchange capacity: 128 bytes input + 128 bytes output

  • 24 V DC supply for system and terminals

  • Power contacts forwarding up to 10 A for field devices

  • Electrical isolation for safe fieldbus interface

  • DIN-rail mountable and compact housing


Technical Specifications

  • Part Numbers:
    – BK3120
    – BK 3120

  • Network Protocol: PROFIBUS DP (supports DPV1 services)

  • Maximum Number of Bus Terminals: 64 (255 with extension)

  • Data Transfer Capacity: 128 bytes input + 128 bytes output

  • Baud Rate: Up to 12 Mbaud, automatically detected

  • Power Supply: 24 V DC (-15% / +20%)

  • Input Current: 70 mA + (total K-Bus current)/4, max 500 mA

  • Power Contacts Load: Up to 24 V DC / 10 A

  • Electrical Isolation: 500 V between power contact / supply voltage / fieldbus

  • Operating Temperature: -25 °C … +60 °C

  • Storage Temperature: -40 °C … +85 °C

  • Mounting: 35 mm DIN-rail

  • Protection Rating: IP20

  • Manufacturer: Beckhoff Automation

  • Weight: approx. 170 g

  • Dimensions (W × H × D): 51 × 100 × 69 mm


Applications

  • Modular I/O installations in industrial automation via PROFIBUS DP

  • Control panels and machine automation requiring distributed terminals

  • Systems where scalability and fieldbus performance are key

  • Integration of Beckhoff Bus Terminals in PROFIBUS networks


Why Choose Beckhoff BK3120

  • High scalability with support for up to 255 terminals

  • Automatic baud rate detection enhances flexibility during installation

  • Industry-standard PROFIBUS DP interface with robust electrical isolation

  • Compact, reliable coupler for distributed automation systems


Order Now

The Beckhoff BK3120 PROFIBUS Economy Plus Bus Coupler is available for order and ships worldwide.


New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Beckhoff BK3120 – Overview

The Beckhoff BK3120 is a bus coupler designed for PROFIBUS DP networks in automation systems. As part of the “Economy Plus” series, it supports up to 64 Bus Terminals (or up to 255 with K-Bus extension) and features automatic detection of baud rates up to 12 Mbaud. Ideal for connecting modular I/O terminals in distributed control environments.


Key Features

  • Supports PROFIBUS DP with automatic baud rate detection up to 12 Mbaud

  • Supports up to 64 Bus Terminals (expandable to 255 with K-Bus extension)

  • Data exchange capacity: 128 bytes input + 128 bytes output

  • 24 V DC supply for system and terminals

  • Power contacts forwarding up to 10 A for field devices

  • Electrical isolation for safe fieldbus interface

  • DIN-rail mountable and compact housing


Technical Specifications

  • Part Numbers:
    – BK3120
    – BK 3120

  • Network Protocol: PROFIBUS DP (supports DPV1 services)

  • Maximum Number of Bus Terminals: 64 (255 with extension)

  • Data Transfer Capacity: 128 bytes input + 128 bytes output

  • Baud Rate: Up to 12 Mbaud, automatically detected

  • Power Supply: 24 V DC (-15% / +20%)

  • Input Current: 70 mA + (total K-Bus current)/4, max 500 mA

  • Power Contacts Load: Up to 24 V DC / 10 A

  • Electrical Isolation: 500 V between power contact / supply voltage / fieldbus

  • Operating Temperature: -25 °C … +60 °C

  • Storage Temperature: -40 °C … +85 °C

  • Mounting: 35 mm DIN-rail

  • Protection Rating: IP20

  • Manufacturer: Beckhoff Automation

  • Weight: approx. 170 g

  • Dimensions (W × H × D): 51 × 100 × 69 mm


Applications

  • Modular I/O installations in industrial automation via PROFIBUS DP

  • Control panels and machine automation requiring distributed terminals

  • Systems where scalability and fieldbus performance are key

  • Integration of Beckhoff Bus Terminals in PROFIBUS networks


Why Choose Beckhoff BK3120

  • High scalability with support for up to 255 terminals

  • Automatic baud rate detection enhances flexibility during installation

  • Industry-standard PROFIBUS DP interface with robust electrical isolation

  • Compact, reliable coupler for distributed automation systems


Order Now

The Beckhoff BK3120 PROFIBUS Economy Plus Bus Coupler is available for order and ships worldwide.


Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Beckhoff BK3120

Beckhoff BK3120

$330.00
Add to wishlist
Beckhoff BK3120

Beckhoff BK3120

Your Price:
$330.00
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