Name some of the common protocol use in automation.

Answer Posted / karthik

MODBUS TCP/IP
MODBUS RTU
Profibus DP
Profibus PA
Profisafe
HART
Foundation Fieldbus
DH (AB)
MPI (Siemens)
PPI (Siemens)

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

State some of balance principle’ advantages?

651


why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2202


DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

1458


Hi,can anyone help me out with PhD programs related to Instrumentation field?I have a degree in electronic Instrumentation?

1476


What are the uses of orifice plates?

617






draw shematic diagram of c/v positioner(smart type)?

1757


what is cems analyzer explain with principle and drawing ?

1871


I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration  So is there any causes biside this or  any  permissives ?

1396


can you provide me full detail about instrumentation in ONGC??

1750


How to calculate P,I&D value in PID controller ?

1621


How to calibrate the flow transmitter

1042


Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

1437


What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?

734


OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10289


how can use ram

1482