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555: Difference between revisions
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There is a feedback loop that is formed between the indicator unit and the power supply unit. The power supply sends AC | There is a feedback loop that is formed between the indicator unit and the power supply unit. The power supply sends AC | ||
through the interconnection cable to the indicator unit, where it is connected to the primary of the filament transformer. | through the interconnection cable to the indicator unit, where it is connected to the primary of the filament transformer. | ||
A sample of the output of the filament transformer is sent back through the interconnection cable (part number 012-032) | A sample of the output of the filament transformer is sent back through the interconnection cable (part number [[012-032]]) | ||
from the indicator unit to the power supply unit. | from the indicator unit to the power supply unit. | ||
This performs two functions. | This performs two functions. | ||