What are difference between automatic and manual control system?

5 Answers  

---

What is the difference between HMI,SCADA and MMI,not abbrevation?

7 Answers   HCL,

---

in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?

1 Answers   Jindal, UltraTech,

---

WHAT IS THE VALUE OF MICRON

2 Answers  

---

relation between level and differential pressure.

3 Answers  

---

---

How to zero trim the level transmitter by using foundation fieldbus communicator.

2 Answers   Emerson,

---

Draw block digram for well head from well to shipping pump?

0 Answers  

---

Why mixer nd grinder Is example of constant torque load not variable torque load ???

0 Answers  

---

how i can copy paste the program of smart transmitter to another smart one with hart communicator?

2 Answers   KOC,

---

any questions on motor and energy conversions machines?

0 Answers   ABB,

---

dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

0 Answers   CPL,

---

hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

0 Answers  

---