Paperless recorders put nuclear data on file
A
Yokogawa product story
Edited by the Engineeringtalk editorial team
Oct 4, 2005
Engineers at British Energy's Hunterston B nuclear power station have standardised on Yokogawa's DX range of paperless recorders as their main control-room recording instruments.
Engineers at British Energy's Hunterston B nuclear power station have standardised on Yokogawa's DX range of paperless recorders as their main control-room recording instruments.
The station now has 50 units: a mixture of the six-channel DX106 and 30-channel DX230 versions.
The engineering team selected the Yokogawa recorders after an extensive study into alternatives for traditional paper recorders.
"Basically, we were looking for a zero maintenance solution", says a Hunterston systems engineer, "which meant going down the paperless route and also avoiding things like touch screens, which can be easily damaged".
The Yokogawa recorders have certainly met this requirement, with not a single failure in the three years since the first unit was installed.
In their typical control-room use, each unit can store up to one year's worth of data on 100Mbyte ZIP disks.
In addition to their conventional recorder applications, some of the small DX106 instruments have also found use as compact data loggers, where the units are housed in metal carrying cases and taken out into plant areas for field troubleshooting.
A test trolley has also been built for one of the larger DX230 units so that it can fulfil the same purpose.
Their ease of reprogramming makes it very straightforward to customise them for different applications.
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