WHAT IS THE DIFFERENCE BETWEEN PLC AND DCS
- 55 Answers
- 113298 Views
- ABB, Adani, Adani Power, GMR, IIUC, I also Faced
- E-Mail Answers
Answer Posted / d.arumuga selvan
The difference between PLC&DCS is that, PLC is a small scale control system which mainly deals with ON/OFF control of a single machine......... but dcs is a large scale control system which controls all over the industry units... simply i can say dcs is a network consists of many plc units...
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling
What is the difference between ff transmitter and non ff transmitter
what is a vortex flow meter,mass flow meter and electromagnetic flow meter.particular use of this.means in which condition particular meter is used.
1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?
What is the use of temperature compensation?
List three types Level Switches with their working principles
䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ
Q- What are the application in which PNP transistor is preferred over NPN ?
Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose
Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com
why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature
why we take %i0.0 as input for twido plc
What is PDS and PDMS ?
why we are using magnet for calibration of gas detector?
what is the procedure of belt scale calibration?
