Answer / Suresh Dutta Joshi

DCs (Digital Control Systems) panels often utilize various types of modules:

1. Input modules for sensing and feeding data into the system
2. Output modules for controlling and actuating devices based on received signals
3. Processor modules for performing calculations, logic operations, or communications between modules
4. Communication modules for exchanging information with other systems or networks
5. Power supply modules to provide power to the panel components
6. Timers, counters, and registers for specialized functions
7. Analog and digital I/O modules for handling different types of signals

Modules serve as building blocks in a DCS system, allowing for flexible configuration, expansion, and maintenance.

Condensation within a sight glass? Would you expect there to be more problems when using a sight glass if there is condensation on the inside or the outside of the glass, and why?

1 Answers  

---

what is difference b/w the solinoid volve and autodrain?

3 Answers  

---

What is the purpose of LO overhead tank in turbines.

1 Answers   ADMA OPCO,

---

Draw bode plot of any transfer function. Why is plotting bode necessary?

1 Answers   L&T, STS,

---

Explain Gas Turbine startup and shutdown sequences

1 Answers  

---

Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

2 Answers   Jindal,

---

The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?

1 Answers   Process Control Technologies,

---

What is Cryogenic?

2 Answers  

---

what will be the principle & application of dissoled oxygen analyzer at wast water treatment plant at oxidation basin & how it work?

1 Answers  

---

Why even multiple power supplu r used in instrumentation system?

2 Answers   Honeywell,

---

How many are the types of instrument cables in terms of No. of pair.

1 Answers   CCIE, Samsung,

---

How to work mass flow meter ?

1 Answers  

---