Answer / nirmalyabasu

If the power is comming through the i/p or o/p device to
the io card then that i/o card is called sinking i/o card.
And if the power is transfered from io card to the i/p and
o/p devices then the i/o card is called sourceing io card

Answer / mun

sinking and sourcing is regards the current flow
so if the power from the card is called sourcing
if the power from out side the card coming to it called
sinking

How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.

0 Answers   Heisco,

---

I want to measure flow by using DP Tx and range is 0 to 1200 Kg/cm2 ?

2 Answers  

---

why we are using -24 vdc in plc?

1 Answers   CGL,

---

what is PID n give me brief info. about P&I&D.

2 Answers  

---

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

---

in the construction field why hook up s.s.tubing for transmitter using upto 6mtrs of closed loop, but y not open loop nomore restriction

5 Answers   Sabic,

---

HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

0 Answers   Chevron,

---

What is Vena contracta?

3 Answers   CCIE,

---

If the on Of the DO module is off in the System cabinet, then what is the Procedure to check weather the Module is working or not.

2 Answers   Honeywell,

---

what is the difference between plc & DCS?

5 Answers   Cheminova, NGIL, Siemens,

---

how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

0 Answers   KNPC,

---

1 How to calculate dp transmitter steam and water? 2 impulse line for liquid steam and gas

1 Answers   Sitara Chemical Industries,

---