Explain No & Nc concept used in allen bradley plc?
What is sink and sourse module?How you will use No,Nc
concept in sink and sourse module?
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Answer Posted / shalini
If the module is source +ve signal is shared, it gets -ve
from outside.
If its sink type then -ve signal is shared, it gets +ve
from the external source
If senor is source type then card shud be of sink type.
If sensor is sink then I/O card shud be source type.
| Is This Answer Correct ? | 21 Yes | 3 No |
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