which type signal in & out in dcs

Answer Posted / rajendra singh

In DCS 4 TYPES OF SIGNAL IS USED

1) AI - ANALOG INPUT THIS FEED BACK SIGNAL FORM (4 - 20 mA)
2) AO - ANALOG OUTPUT COMMAND GIVEN FROM DCS (4 - 20 mA)
3) DI - DIGITAL INPUT (FEED BACK 0 OR 1, HIGH OR LOW)
4) DO - DIGITAL OUTPUT (PICK UP THE RELAY 0 OR 1, HIGH OR
LOW COMMAND GIVEN FROM DCS)

Is This Answer Correct ?    34 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is loop1 and loop2 in MTS LT?

3306


I am having a Phoenix digital to modbus converter. The o/p of the same is connected to flow computer FB407. But the digital signals are updated only after one minute in the flow computer. what may be the cause of delay in communication? Flow computer is having a scanning period of less than 1 sec.

1469


how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

1579


Draw a group of instruments interlocked to a Pump & Motor?

657


what is sliding spool valves?

1827






What is the diffrence between digital signal processing and discrete signal processing?

1588


hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

1658


components of control circuit belongs to control valve

1240


List three types Level Switches with their working principles

1626


What is three element in drum level?

930


my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

1823


How to calibration a control valve?

703


how to convert cubic metre per hour to newton cubic metre per hour

1585


Why do you want to work here

1826


Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

1487