defination of plc? why we use plc? application of plc? advantage of plc?

4 Answers  

---

can you suggest good traning institute in instrumentation ? (in automation, or designing)

5 Answers  

---

How can we calibrate the level interface for Fisher® FIELDVUE® DLC3000?if use water to calibrate and our liquid SG are 0.75 and 1 ,Displacer height=14" and How much should be set SG in trasmitter during calibrate,for URV and LRV how shold be set

1 Answers  

---

Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

---

Air pressure in a pressure vessel can rise or fall at up to 2.5kpa/s.The pressure is sampled every 0.5 seconds.If range of the the pressure indication is 0 to 1500 kPa, what is the max value of the error due to sampling in % of Span

2 Answers  

---

I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

---

What is the difference between a double acting and single acting positioner? what type of valves use single acting positioners?

1 Answers   AquaTech, NamPower, Samson Resources,

---

If fire would be inside the plant which fire detector is to detected the fire.

0 Answers   KOC,

---

How DP Transmitter can be calibrated for crud application in floating roof tank?

2 Answers  

---

in the flow caluclation k value how to caluclate.mass flow & volum flow.

1 Answers  

---

which types of oxygen analyzer describe with drawing ?

2 Answers  

---

What is input and output of plc & dcs

2 Answers  

---