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Not really, but seem logically yes. In the power station, we use analog and digital input to give alarm and tripping signal. Analog signal are used because the set point are easily adjusted i.e. you can set the low alarm at 10% of the fuel remaining or adjust to 15% if you think that the 10% is too low. Whereas digital signal is fixed and adjustment is quite limited. However, we do use the digital signal as an backup to the analog signal. (just in case the analog signal failed). For important signal, we do use double or triple redundancy backup..

[QUOTE="jarance, post: 41568, member: 21"] Not really, but seem logically yes. In the power station, we use analog and digital input to give alarm and tripping signal. Analog signal are used because the set point are easily adjusted i.e. you can set the low alarm at 10% of the fuel remaining or adjust to 15% if you think that the 10% is too low. Whereas digital signal is fixed and adjustment is quite limited. However, we do use the digital signal as an backup to the analog signal. (just in case the analog signal failed). For important signal, we do use double or triple redundancy backup.. [/QUOTE]

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