what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

0 Answers  

---

What is meant by calibration

5 Answers  

---

if i change range of flow transmitter in th field then does it need to change range in dcs?

3 Answers  

---

How to work DCS? how to get the signal from Field Instruemtns to PIB to Console?

2 Answers   Alstom, Invensys,

---

Someone please do mail me some instrumentation questions for Hindustan Petroleum test to avinalexander@gmail.com .Really would be gateful if someone could help me

3 Answers   HPCL, Immersion, IOCL,

---

What is the Differance between Graphics And SCADA Graphics? SCADA Graphics have less access?

3 Answers   Honeywell, Thermax,

---

If we increase D what will be the controller action?

2 Answers  

---

How to gennerate earth leakage monitoring alarm for solenoid valves in control system?

2 Answers  

---

if field commnictor 475 does not communicate with transmitter what will you do ?

4 Answers   Samsung,

---

What are the key components of control loop?

1 Answers  

---

it is possible to check the fail safe condition in pressure transmitter. if possible how?

0 Answers  

---

what is disadvantage of field bus (ff)type of instrument

1 Answers  

---