PLCs, DCSs & Controllers


EtherCAT master synchronisation

October 2008 PLCs, DCSs & Controllers

The EL6692 EtherCAT bridge terminal achieves distributed clock calibration between EtherCAT masters.

The EtherCAT Industrial Ethernet system offers industry leading performance and highly flexible topology characteristics. In complex machines and systems with several EtherCAT masters, data may have to be exchanged between individual EtherCAT systems or the distributed clocks of different systems may have to be synchronised. An ideal solution for these applications, the new EL6692 bridge terminal for the Beckhoff EtherCAT terminal system implements these tasks directly in the I/O arrangement.

EtherCAT masters such as the TwinCAT automation software suite from Beckhoff can exchange data in realtime via network variables. The EL6692 EtherCAT bridge terminal optionally provides this functionality directly in the I/O system. In addition to normal data exchange, the EtherCAT bridge permits distributed clock synchronisation (exact calibration of distributed clocks) between several EtherCAT masters, for example, in exact drive synchronisation in spatially distributed machines.

In addition, the EtherCAT bridge terminal can integrate subordinate PCs – eg, Beckhoff Embedded PCs from the CX series – as EtherCAT slaves in an EtherCAT network. In this case, the bridge terminal of the CX system is coupled with the higher-level EtherCAT system.

The EL6692 bridge terminals have a separate power supply for both EtherCAT networks in order to prevent an interruption of data communication due to power loss in one of the systems.

The EtherCAT Terminal system is a modular I/O system consisting of high-performance, electronic terminal blocks. The EtherCAT protocol is maintained into the individual terminal permitting ultra-fast communication speeds. High-performance EtherCAT Terminals are available for all common digital and analog signal types encountered in the world of automation. Fieldbus devices, eg, for PROFIBUS, PROFINET, CANopen, DeviceNet, Interbus or Lightbus are integrated via local fieldbus master/slave terminals. Any standard Ethernet device can be integrated locally via switch terminals.



Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

Flexible EtherCAT communication interface for DALI-2
Beckhoff Automation Fieldbus & Industrial Networking
The EL6821 EtherCAT Terminal from Beckhoff allows up to 64 DALI/DALI-2 slaves and 64 DALI-2 input devices to be connected. The TwinCAT 3 System Manager makes it easy to configure and parameterise DALI devices flexibly.

Read more...
EtherCAT-based control technology for building automation
Beckhoff Automation Fieldbus & Industrial Networking
Modern non-residential buildings place many high demands on building automation. This can be optimally implemented with EtherCAT-based control technology from Beckhoff, which provides an efficient central automation architecture thanks to ultra-fast data communication.

Read more...
PC-based control for university studies
Beckhoff Automation Fieldbus & Industrial Networking
The IDEA box developed at Heilbronn University of Applied Sciences is designed to introduce students to the topic of Industry 4.0 in a simple and practical way. At the core of the corresponding demo case is PC-based control from Beckhoff.

Read more...
Megatech is expanding
PLCs, DCSs & Controllers
Megatech SA has been importing high quality industrial plant equipment and spare parts since 2016. Based in KwaZulu-Natal, the company specialises in electrical and mechanical equipment and instrumentation.

Read more...
High-performance motion control for teabag packaging machine
Beckhoff Automation Editor's Choice
Teepak relies on PC-based control and drive technology from Beckhoff to set new benchmarks for speed and precision in its teabag packaging machines.

Read more...
Complete system for transparent energy monitoring
Beckhoff Automation Editor's Choice Electrical Power & Protection
Transparent energy monitoring reduces both machine downtime and the necessity to oversize the corresponding components. Added to these advantages are simplified preventive maintenance, and increased production efficiency. The wide range of PC-based control technology from Beckhoff offers a solution that can be optimally adapted to individual applications.

Read more...
Powerful and versatile IIoT controller
ifm - South Africa PLCs, DCSs & Controllers
The IIoT controller from ifm is a powerful, communicative and flexible PLC solution in machine and plant digitalisation.

Read more...
Condition monitoring in a forging press retrofit
Beckhoff Automation System Integration & Control Systems Design
Significantly increased vibration on machines can result in many forms of negative impacts such as reduced system performance or damage to the machine and foundation. Using the example of retrofitting a forging press with a maximum press force of 2000 tons, Wölfel Engineering explains how efficiently the process was tailored and implemented with PC-based control and measurement technology from Beckhoff.

Read more...
Thermoforming machine automation
Beckhoff Automation Editor's Choice Motion Control & Drives
Hamer has joined forces with Beckhoff to develop a thermoforming machine for water-based cellulose pulp to produce fully recyclable and environmentally-friendly cellulose packaging.

Read more...
ACTOM Industry to upgrade drive and control system
ACTOM Electrical Machines PLCs, DCSs & Controllers
ACTOM Industry secured an important contract to upgrade the drive and control system of a man-winder at a gold mine in Ghana.

Read more...