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Beckhoff EK1521 – Overview
The Beckhoff EK1521 is a 1-port EtherCAT fiber-optic junction designed for integration within EtherCAT Terminal segments. It enables data transmission via fiber optics using 100BASE-FX technology, supporting star and extended topologies. Compact and industrially robust, it allows fiber links up to 2,000 meters with minimal signal delay.
Key Features
-
Single SC-Duplex fiber-optic port (multi-mode)
-
Transmission range up to 2,000 meters
-
Data transfer rate of 100 Mbit/s (100BASE-FX)
-
Very low communication delay of approximately 1 µs
-
Compact 24 mm-wide housing for DIN-rail mounting
-
LED indicators for link and activity status
-
Plug-and-play installation with no configuration required
-
Suitable for star or daisy-chain EtherCAT topologies
Technical Specifications
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Part Number: EK1521
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EtherCAT Role: Fiber-optic junction within EtherCAT network
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Data Transmission: Multi-mode glass fiber (50/125 µm)
-
Max Distance Between Nodes: Up to 2,000 m (multi-mode)
-
Transfer Rate: 100 Mbit/s
-
Delay: Approx. 1 µs
-
Bus Interface: SC-Duplex fiber connector
-
Power Supply: 24 V DC (via E-bus)
-
Current Consumption (E-bus): Approx. 350 mA
-
Dimensions (W × H × D): 24 × 100 × 52 mm
-
Weight: Approx. 65 g
-
Protection Rating: IP20
-
Mounting: 35 mm DIN-rail
-
Operating Temperature: -25 °C … +60 °C
-
Storage Temperature: -40 °C … +85 °C
-
Certifications: CE, UL, ATEX, IECEx
-
Manufacturer: Beckhoff Automation
-
Weight (package): 0.10 – 0.23 kg (0.22 – 0.50 lb)
-
Packed Dimensions: 12 × 7 × 6 cm (4.7 × 2.8 × 2.4 in)
Applications
-
Fiber-optic extension for EtherCAT networks
-
Star or distributed network structures in industrial systems
-
Machine and process automation with long-distance communication
-
Use in EMC-sensitive or high-noise industrial environments
Why Choose Beckhoff EK1521
-
Enables long-distance EtherCAT communication up to 2 km
-
Compact, reliable, and easy to integrate
-
Minimal communication delay for high-speed automation
-
Ideal for modular, high-performance EtherCAT architectures
-
Proven industrial durability from Beckhoff Automation
Order Now
The Beckhoff EK1521 1-Port EtherCAT Fiber-Optic Junction is available for order and ships worldwide.
Description
Beckhoff EK1521 – Overview
The Beckhoff EK1521 is a 1-port EtherCAT fiber-optic junction designed for integration within EtherCAT Terminal segments. It enables data transmission via fiber optics using 100BASE-FX technology, supporting star and extended topologies. Compact and industrially robust, it allows fiber links up to 2,000 meters with minimal signal delay.
Key Features
-
Single SC-Duplex fiber-optic port (multi-mode)
-
Transmission range up to 2,000 meters
-
Data transfer rate of 100 Mbit/s (100BASE-FX)
-
Very low communication delay of approximately 1 µs
-
Compact 24 mm-wide housing for DIN-rail mounting
-
LED indicators for link and activity status
-
Plug-and-play installation with no configuration required
-
Suitable for star or daisy-chain EtherCAT topologies
Technical Specifications
-
Part Number: EK1521
-
EtherCAT Role: Fiber-optic junction within EtherCAT network
-
Data Transmission: Multi-mode glass fiber (50/125 µm)
-
Max Distance Between Nodes: Up to 2,000 m (multi-mode)
-
Transfer Rate: 100 Mbit/s
-
Delay: Approx. 1 µs
-
Bus Interface: SC-Duplex fiber connector
-
Power Supply: 24 V DC (via E-bus)
-
Current Consumption (E-bus): Approx. 350 mA
-
Dimensions (W × H × D): 24 × 100 × 52 mm
-
Weight: Approx. 65 g
-
Protection Rating: IP20
-
Mounting: 35 mm DIN-rail
-
Operating Temperature: -25 °C … +60 °C
-
Storage Temperature: -40 °C … +85 °C
-
Certifications: CE, UL, ATEX, IECEx
-
Manufacturer: Beckhoff Automation
-
Weight (package): 0.10 – 0.23 kg (0.22 – 0.50 lb)
-
Packed Dimensions: 12 × 7 × 6 cm (4.7 × 2.8 × 2.4 in)
Applications
-
Fiber-optic extension for EtherCAT networks
-
Star or distributed network structures in industrial systems
-
Machine and process automation with long-distance communication
-
Use in EMC-sensitive or high-noise industrial environments
Why Choose Beckhoff EK1521
-
Enables long-distance EtherCAT communication up to 2 km
-
Compact, reliable, and easy to integrate
-
Minimal communication delay for high-speed automation
-
Ideal for modular, high-performance EtherCAT architectures
-
Proven industrial durability from Beckhoff Automation
Order Now
The Beckhoff EK1521 1-Port EtherCAT Fiber-Optic Junction is available for order and ships worldwide.