Answer / akkkkki

devicenet is communication protocol for DCS

Example of dry contacts & wet contacts?

3 Answers  

---

A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

---

Why Boiler Drum level transmitter (TX) or level transmitter rang always put -600 to 0 other -900 to 0. Mines range why use….?

4 Answers   Uttam Sugar,

---

why cant we use mV instead of mA?

12 Answers   ABB, Power Grid, Qatar Gas, USW, Visa Steel,

---

how to tune the closed pid loop?

3 Answers  

---

How Many Slave Can be used in one slave ?

2 Answers  

---

what is pneumatic control system?

1 Answers   APL,

---

what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..

0 Answers   Accer, Reliance,

---

why we use 0.2 to 1.0 kg/cm2 output in control valve

4 Answers   GNFC,

---

Is there a particular problem if two proposals from the same observatory (originating with different partners) are submitted?

1 Answers  

---

How a oxygen sensor & analyzer work at boiler or furnace, whats the principle & science is beyond this,How O2 sensor sence & convert signal & move toward analyzer & analyzer show reading in percent?

2 Answers  

---

is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

0 Answers  

---