What is the SCAN time of a DCS/PLC? What is the typical
value for scan time of DCS and PLC?

Answer Posted / purushotham

scan time , name it self indicates time required to scan the process of operation.
time taken to finish operation (reading inputs,logic(process) and execution (output) of results).

Is This Answer Correct ?    11 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

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

1761


Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?

1430


how to calculate range of level transmitter?

1781


HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.

1817


What are the type of bonnets in the control valves?

1428






What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus

5314


please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com

1370


If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

1637


what is the current pay package for an instrumentation engineer having 2 years of experience in cryogenic technology???????

4281


In power plant to measure vibration of a turbine we install sensors. Before install this sensor we have to set gap voltage. What is meant by gap voltage and its use?

1621


what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2076


If P will increase then what will happen with PID?

5228


field bus transmitter calibration procedure tell me

1354


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

1895


what is easiest way to read STL language in PLC?

2664