Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

1 Answers   EIT,

---

How can measure flow in oil line?which type of transmitter is generally used?

1 Answers  

---

What is difference between differential pressure & delta pressure?

0 Answers  

---

What is the reason for not giving very High Proportional Gain Kp in PID Controller?

2 Answers   ABB,

---

Why do we floating DC in DC system.

0 Answers  

---

what is AWG?

2 Answers   NTPC,

---

what is the use of conrol cable..?

1 Answers  

---

how to calibrate the interface leveltrol

1 Answers   Lanco,

---

can any one tell leakage class in control valve depend on which parameter and there is any specific table or chart for selection of valve leakage class

2 Answers  

---

In closed loop control there are several “blocks” used to show the interactions between the process and the control system. These blocks are referred to as the “process” and the “controller.” Describe the relationship between these two blocks when creating a well tuned control loop.

1 Answers  

---

ABB DCS (AC 800 M)redundency take howmany milliseconds to switch from master controller to slave?should be less than DCS scanning time?

2 Answers   SCS,

---

If you calibrate a pneumatic pressure transmitter, how many adjustments are normally necessary or mandatory?

1 Answers  

---