Answer Posted / b_saravanakumar
DCS is distributed control system and it is used to control
a plant (ex: power plant). DCS will have its own database
where in PLC doesnt have. Also scanning time for DCS is less
than 100mSec.
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?
Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?
can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know
How to Calibrate Temperature Switch in field
what are the use of belew gear in general ??
What is the cascade control
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
Explain the burnout feature.
How signals can be taken through modbus?
what is output of FOUNDATION FIELD BUS transmitter
the output of the common trasmitter protocol in qatar gas are the following
why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V
whats the abbreviation of IOP? is it instrument of power or input open problem?
what is compensation? temprature & pressure
I wnat to practice more online type questions .so will you show them me to take a practice test?