what is the difference between plc & DCS?

Answer Posted / deepak

These are the major differences
1. scanning time of a PLC is depend upon the length and size of the program. In DCS scanning time is constant.
2. DCS can handle large number of IOs

Is This Answer Correct ?    6 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

1467


why using negative supply for bentley nevada vibration system ?

1716


How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

5427


What is frequency factor in massflow meter? When using frequency output?

1326


How to Calibrate Flow Switch in field

767






how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

2017


what is interface level and how it is calibrate?

1770


What is the use of double seated valve?

739


what is function of switch, and how is it work, explain with difination

1802


How to measure the dust in chimney(spm)?

3622


what deference between panel earth and systemearth

1772


Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

10406


why fuse block is not used for AI signal?

1402


what are the different types of Protocols? & their applications.

28499


How do you identify between actual alarm and false alarm in a Temperature Transmitter in SCADA based Control System

672