Interested to Buy Any Domain ? << Click Here >> for more details...
deference between DCS and PLC including date processing and
architacture.
- 11 Answers
- 20142 Views
- Jindal, Shell, I also Faced
- E-Mail Answers
Answer Posted / yogesh
1.PLC USED FRO REPALCING RELAY LOGIC. FEW YEAR AGO, THE
MAJOR DIFFERENCE BETWEEN PLC AND DCS WAS SCANNING TIME. BUT
IN TODAY TECHNOLOGY PLC SCANNING TIME HAS REDUCED.
2. WHEN YOU USE PLC , YOU NEED SCADA SYSTEM. BUT FOR DCS
SYSTEM YOU NEED NOT TO BUY OTHER SCADA SOFTWARE.
| Is This Answer Correct ? | 12 Yes | 0 No |
Post New Answer View All Answers
What is 1:1 redundancy ?
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 ?
Explain types of valves?
what is the calibration procedure for magnetic flow meter @ onsite
List three types Level Gauges with their working principles
How r the calculation of process line mpm.
What is 3 selection available when configure the burnout protection for controller
How to Calibrate Temperature Switch in field
What is defferent betwen ESP &PCP PUMP .HOW IT IS WORK?
What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?
HI friends.I am Surya a BTech in Electronics and Instrumentation Engineering.I am going to appear Relince Industries Ltd all India writen test very soon. so plz help me by sendind the probable questions about my subject.My mail ID is surya.barik@gmail.com.
HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?
how do we commission inergen system?
In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.
Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...
