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EL6695-1001 Beckhoff

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The EL6695-1001 is an EtherCAT terminal from the EL EtherCAT Terminals series by Beckhoff. It measures 100 mm tall, 24 mm wide, and 68 mm deep, and features two 100 Mbit/s RJ45 secondary ports with a maximum cable length of 100 meters. The terminal operates with a primary supply from the E-bus and a secondary supply of 24 VDC, supporting distributed clocks and IP20 protection class.

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Product Description:

The EL6695-1001 is a bridge terminal manufactured by Beckhoff for the EL EtherCAT Terminals series. Designed to interconnect a primary EtherCAT segment on the E-bus with a secondary EtherCAT network, the module exchanges cyclic process data in both directions while keeping deterministic timing. This arrangement allows separate control sections to share real-time data without protocol conversion or a separate gateway. Its integrated distributed clocks feature enables synchronized motion or I/O updates across controllers located on separate machine frames, so packaging lines, conveyor sections, or robot cells can share position and status information.

The housing dimensions suit cabinet installation and allow the terminal to fit neatly beside standard Beckhoff I/O slices. The terminal has a panel width of 24 mm, a height of 100 mm, and a depth of 68 mm. The enclosure carries an IP20 protection class, so it is intended for dry, protected control cabinets. On the data side, the device transfers up to 3 kbyte each direction per cycle between the two EtherCAT domains, providing capacity for several hundred digital channels or multiple synchronized drive telegrams. Power for the primary side is supplied through the E-bus backplane at 400 mA, while the secondary side requires 24 V DC at 80 mA.

The terminal supports a minimum EtherCAT cycle time of 50 µs, allowing fast updates when the controller requires tightly timed communication. Two secondary network connectors are implemented as 2 × 100 Mbit/s RJ45 ports, so the extension segment can be daisy-chained or arranged in a ring. The 24 V input tolerates a -15 %/+20 % voltage window, which helps maintain operation during normal supply variation in distributed panels. For remote installations, the copper link remains stable up to a 100 m cable length, allowing the terminal to serve machine sections that are physically separated within a production line.

Depth
68 mm
Distributed clocks
Yes
Height
100 mm
Max Cable Length
100 m
Max Cyclic Data
3 kbyte each direction
Min Ethercat Cycle
50 µs
Primary Current
400 mA
Primary Supply
E-bus
Protection Class
IP20
Secondary Current
80 mA
Secondary Ports
2 x 100 Mbit/s RJ45
Secondary Supply
24 VDC
Voltage Tolerance
-15%/+20%
Width
24 mm

Frequently Asked Questions about EL6695-1001:

Q: What is the minimum EtherCAT cycle time supported by the EL6695-1001?

A: The EL6695-1001 supports a minimum EtherCAT cycle time of 50 microseconds.

Q: What is the maximum cyclic data transfer capacity of the EL6695-1001?

A: A maximum of 3 kbyte of cyclic data can be transferred in each direction with this terminal.

Q: How many and what type of secondary ports are available on the EL6695-1001?

A: The EL6695-1001 offers two secondary 100 Mbit/s RJ45 ports.

Q: How is the primary supply provided to the EL6695-1001 and what is its current consumption?

A: Primary supply for this model is provided via the E-bus, with a primary current consumption of 400 mA.

Q: What is the maximum cable length supported by the EL6695-1001?

A: The EL6695-1001 allows for a maximum cable length of 100 meters between devices.


Internal Product Review

  • ‘‘The Beckhoff EL6695-1001 is an EtherCAT terminal with 2 x 100 Mbit/s RJ45 secondary ports and distributed clocks support. With 3 kbyte of cyclic data in each direction and a minimum EtherCAT cycle of 50 µs, the terminal delivers fast, well-synchronized communication for demanding automation links. A compact layout and clean network integration make the unit a strong choice for high-performance EtherCAT architectures.’’

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