Compact coupler eases Ethernet links
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Hayes Control Systems product story
Edited by the Engineeringtalk editorial team
Nov 28, 2007
The highly efficient BK1250 acts as a bridge between Beckhoff's original Bus Terminal I/O line and high speed EtherCAT terminals for optimum interoperability.
To provide industrial Ethernet I/O users even greater application flexibility, Beckhoff Automation has announced the new BK1250 "Compact" coupler.
The highly efficient BK1250 acts as a bridge between Beckhoff's original Bus Terminal I/O line and high speed EtherCAT terminals for optimum interoperability.
This "bus coupler in a bus terminal housing" converts EtherCAT's E-bus signal so that data can also be passed over "original" Beckhoff I/O terminals (K-bus) - all on the same I/O node.
The combined 300-plus terminal variants within the Beckhoff Bus Terminal and EtherCAT I/O systems can now be integrated more easily and cost-effectively, without having to separate I/O types on different nodes.
Bus Terminal I/O and EtherCAT I/O appear to be nearly identical from the outside and in terms of mechanical configuration.
The differences are in the internal circuitry and signal processing.
EtherCAT terminals are specially designed for the highest industrial Ethernet performance and most flexible topology options.
The real-time EtherCAT protocol delivers previously unreachable fieldbus performance - processing 1000 distributed I/O in 30us or 100 axes in 100us using twisted pair or fibre optic cable.
EtherCAT also delivers almost unlimited network size (65,000-plus devices) and a variety of flexible and time-saving cabling topology options.
An approved IEC specification, EtherCAT technology is open by design.
No expensive, proprietary fieldbus cards are required, making EtherCAT as cost effective as it is high tech.
The EtherCAT system takes full advantage of low cost, commercial off-the-shelf (COTS) Ethernet components and uses standard CAT 5e cables.
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