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Beckhoff BK1120 EtherCAT Bus Coupler for Standard KL-Series Terminals
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Beckhoff BK1120 EtherCAT Bus Coupler for Standard KL-Series Terminals

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Availability & Commercial Pricing
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Surplus and high-value automation controllers are quoted dynamically based on exact condition and global express logistics. Receive formal pricing within 2 business hours.

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  • EtherCAT to K-Bus Integration: Connects high-speed EtherCAT 100BASE-TX networks directly to standard Beckhoff KL-series Bus Terminals.

  • Dual RJ45 Network Ports: Features two RJ45 sockets for flexible line topology and daisy-chaining multiple nodes.

  • Massive I/O Scalability: Supports up to 64 Bus Terminals natively, and up to 255 terminals using a K-bus extension.

  • 24V DC Power & K-Bus Supply: Operates on standard 24V DC power while supplying up to 1750 mA to the K-bus.

  • Compact DIN-Rail Enclosure: Space-saving IP20 polycarbonate housing mounts easily on standard 35 mm DIN rails.

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100% Genuine
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Express Dispatch
India, UAE & Global
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2-Hour RFQ
Plant Engineers Desk
Manufacturer / Brand Beckhoff
Part Number / MPN PLC-933
Category Classification PLC & Automation
Condition Status Used Clean
Testing & QA Inspection 100% Bench Tested, Visual Inspection & Power-On Verified
Packaging Type Anti-Static Industrial Sealed ESD Box / Factory Box
Dispatch Hubs Mumbai Central Hub (India) & Sharjah/Dubai Logistics Hub (UAE)

Additional Technical Attributes



  • Manufacturer / Brand: Beckhoff Automation




  • Model / Catalog Number: BK1120 (Series: EtherCAT Economy plus)




  • Product Type: EtherCAT Bus Coupler for KL-Series Bus Terminals




  • Bus Interface: 2 × RJ45 Sockets (In / Out Daisy Chain)




  • Transmission Rate & Medium: 100 Mbit/s over Ethernet/EtherCAT Cat.5 Cable (100BASE-TX)




  • Terminal Capacity: Up to 64 Bus Terminals (Expandable up to 255 Terminals with K-Bus Extension)




  • Fieldbus Data Capacity: 1024 Bytes Input / 1024 Bytes Output




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




  • K-Bus Current Supply: 1750 mA Max




  • Power Contacts Current Load: Max. 24V DC / Max. 10 A




  • Configuration Tools: KS2000 or EtherCAT (ADS)




  • Enclosure Protection Class: IP20 / Polycarbonate Compact Housing




  • Operating Temperature: -25°C to +60°C (-13°F to +140°F)




  • Dimensions (W x H x D): 51 mm × 100 mm × 69 mm (2.01 in × 3.94 in × 2.72 in)




  • Net Weight: Approx. 0.15 kg (0.33 lbs)




  • Mounting Type: 35 mm DIN Rail Mount (EN 60715)




  • Condition: Surplus / Used



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