Answer / anusree

i) Cyclic Execution
ii) Event driven Execution

Answer / shiva

There are two main types of PLC execution modes.
1) Cyclic execution mode.
2) Intrrupt and clock driven execution modes.

Answer / abdus sattar mollah

1.Continuos.
2.Periodic.
3.Eventual.

Answer / vijayaprakash

1) cold execution
2)hot execution

HELLO FRIENDS PLZ EXPLAINE ME WHAT IS ORIFICE?AND HOW WE ARE USING IT IN INSTRUMENTATION

5 Answers   Wartsila,

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What is the formula To convert Degree centigrade to foranhight.

5 Answers  

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A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer

0 Answers  

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How can you add value to this Industry if offered the job?

0 Answers   SNS,

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what is RPI and NUT in controlnet networx. what happen if we are increase the NUT of controlnet networx?

1 Answers   Schneider,

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Which instrument used to calibrate the pressure switch?

8 Answers  

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In RTU Panel we are having several Analogue & Digital Inputs /Outputs. We are recently facing some problems over Analog inputs , which are not updating properly (But Digital Input are updating normally) Can any one tell me from where the problem is creating , we have checked PLC CPU card, Analog Input card & we reconfigured ,But still the issue is there. Issue : 1. Sometimes Analog values are updating & sometimes not. 2. Analog values are not updating normally , showing some wrong Values 3. Total dead (0 value) Analog values are Level & flow measurement from the field instruments. (But in field the instruments are working normally & Displaying the values normally in local display unit) This problem we are facing in our Water Plant. If any one experienced this same problem or having any ideas related to our issue PLS send your valuable Answers/Replies...

6 Answers   L&T,

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How to calculate the flow rate in Vortex flow meter?What is K factor?Can you give me an example calculation to understand the same as better?

1 Answers   npcc, Zadco,

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WHAT IS SMART SENSOR AND DIFFERENT B/W SMART SENSOR AND SENSOR??? PLS GIVE ME ANSWER AS SOON AS POSSIBLE.....

1 Answers  

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how to know power plant process with corresbonding laws&thoeries

1 Answers   Bhel,

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Explain about the leakage class of the control valves

0 Answers   CCIE,

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Hi Friends i am going to write BARC written test by this month 20th (20-5-2008). So please if any body knows the details about this or having previous question papers pls mail me to kkumarei@gmail.com. For Suggestions give one message to 9962122264

0 Answers   PDIL,

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