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+34 Rank Up Rank Down
Mar 10, 2014
I once worked at a place that had a "button" button in MS Access, and no one dared press it because we didn't know what it would do.
+28 Rank Up Rank Down
Mar 10, 2014

Different companies SCADA system requirements vary.

In some plants they want the colour of a motor to turn green when running and red when stopped. It matches traffic lights.

Others want red when running, to show danger, and green when stopped to match the nice safe green signal on a UK pedestrian crossing.

So, anyone moving between companies (either operating the systems or programming them) needs to be careful of the colour coding.

It all falls apart when someone who is red/green colour blind comes in.
0 Rank Up Rank Down
Mar 8, 2014
More like 58% according to http://vuurr.com/split-testing-determine-sample-size
+4 Rank Up Rank Down
Mar 8, 2014
Dilbert REALLY needs to get some lessons from Wally - Dil tries too hard, thinks too much. No sense in being the nowhere man, man - just keep it low and slow - the only thing anxiety does is produce more of itself.....
+28 Rank Up Rank Down
Mar 8, 2014
I know how Dilbert feels.
I do control systems in power plants, and stationary facilities (paper mills & various types of process plants). Color is very important when showing the status of switchgear, motor controls, motors, etc. Power plants were first- and a red indicating light meant energized, running, danger. Green was the opposite. In the stationary plants, I don't know when, and probably due to green being the color of money and money is not being made if the equipment is stopped, some ignorant PHB-type decided to reverse the power plant standard i.e. Green is energized, running, danger and red is stopped.
Could possibly explain why so many drivers run red lights?
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