how to connect the HART protocal with control valves

1 Answers  

---

I am a electronics and instrumentation fresher trying for a job in IT sector. what do need to prepare for the interview?

2 Answers  

---

what is sinking and sourcing....

2 Answers  

---

if my flow is 20000 m3/h than which range of DPT i have to use????

0 Answers  

---

Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?

0 Answers  

---

What is Fieldbus?

3 Answers   NSL,

---

What is difference between ESD and PLC please Explain me clearly.

0 Answers  

---

is motorized valve closed when power shutoff?

0 Answers   Unilever,

---

give eg of how I/P is used in control loops

0 Answers   CEPC,

---

KAlman filter code for two dimension?

0 Answers   Tisco,

---

generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

1 Answers  

---

why level transmitter input is given 4to20ma

2 Answers   Sabic,

---