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?
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 |
Post New Answer View All Answers
What environmental controls?
how can we choose the controller of CNC bending machine?and how can we know the nomber of the machine axis?
What are the problems involved with queuing theory?
why we use log files in QTP?
what are 5 important point of TS?
What is the difference between productivity and productive system?
How capacitor bank can prove superior to synchronous condensers with respect to power factor correction?
Explain why are the major iron and steel industries in india located in eastern india?
what is the necessity of floating bearing?
What is difference between npn & pnp sensors?
what is a benifit to configure site to site vpn ?
what should be the material composition of transformet oil filtration machine to avoid metal contamination in filteredoil.
axial displacements of the turbine. What could be the causes?♪ ♪
QTP related question= What is input action parameters and what is output action parameters ?
what casues little rust pockets to pop through or off concrete cylinder blocks (home)?