High-speed interface has precise synchronisation
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Trio Motion Technology product story
Edited by the Engineeringtalk editorial team
Mar 26, 2002
Trio Motion Technology will be launching a new Sercos communications interface board at the Drives and Controls show at the NEC in Birmingham.
Trio Motion Technology will be launching a new Sercos communications interface board at the Drives and Controls show at the NEC in Birmingham.
A further extension of Trio's novel daughterboard concept, the new Sercos interface uses the Sercon 816 ASIC to provide fast and precise communications using 32bit digital technology.
Operating at speeds up to 16MHz, the board enhances communications between compatible Trio motion co-ordinators and digital drives, significantly improving motor performance and positional accuracy.
Specifically designed for drive control applications, the Sercos interface can transmit cyclic data at high speeds with precise synchronisation.
Sercos has the advantage of being an open standard, which allows drive and controller users to avoid being "locked in" to proprietary systems.
In conjunction with the Trio MC 206 motion co-ordinator cycle times down to 250us can be achieved for eight axes.
Also working at the same speed, the new Trio MC 224 motion co-ordinator, due to be launched at the Drives and Controls show, will control up to 24 axes per co-ordinator using the new interface.
Sercos uses economical fibre-optic cable to ensure reliable, noise-free data transmission between Coordinators and drives in a ring system.
Fibre optics eliminate expensive cabling and T-branch connectors whilst providing quick and easy connection between Coordinators and drives.
On an eight-axis system, for instance, 192 solder or screw terminations would be reduced to 18 fibre optic connections, most of which would be pre-assembled by the supplier.
Trio's Motion Perfect software has features which enable users to install and set up control networks quickly without the need for an in-depth knowledge of the Sercos standard.
New drives can be configured rapidly by simply connecting into the fibre optic ring and following Motion Perfect's on-screen prompts.
As a result, OEMs have a powerful new tool in their development kit.
The Sercos interface board, together with Trio's advanced motion co-ordinators and class-leading software, permits OEMs to develop high-precision machines with reduced product development times and potentially lower manufacturing costs.
Once machines have been supplied and commissioned, drive replacement becomes a fast and simple exercise as the co-ordinator can configure each drive automatically after power-up.
This feature may result in the saving of considerable time and staff costs, as well as significantly improving the overall productivity of the system.
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