Answer / amit gathiya

YOU NEED A CURRENT TRANSDUCER AT YOUR MCC WHICH CAN GIVE YOU
THE 4-20mA SIGNAL WITH 0 TO 70Amps. proportionally.
USE LESS THAN & GREATER THAN BLOCK LOGIC FOR OPEN & CLOSE
THE VALVE.

Answer / rahul nayak

U dont need any plc logic for such application since u can
do this project with the help of simple transducer which
will gives the mA o/p with respect to ur Amps. & just i/p
converter which will help u to open ur positioner valve.

what is cascade system ?

1 Answers   RSP, Thermax,

---

why we use only 4-20 ma signal as AI and not 0-20 ma?

2 Answers   Honeywell, Oil and Gas Jobs,

---

What are the cable come out from the paddle type flow sensor.and how is further connections

1 Answers  

---

It is desired to reduce effect of 50Hz pick up in a thermocouple measurement. If a third order LP filter is used for this, what should be its cut off frequency, if gain should be 0.001 at 50Hz.

1 Answers   Honeywell,

---

WHAT IS DIFFERANCE BETWEEN INSTRUMENT AND EQUIPMENT

1 Answers   Lupin,

---

which is type of thermocouple is used to measure 1000deg?

9 Answers  

---

define COMPENSATION??

4 Answers   Bosch,

---

what is cascade controller ?

6 Answers  

---

if I did short to both AO connections, channel will burn or what? m sure in AI it will damage to channel. But what will happens in AO?

1 Answers  

---

how can we calibrate RADAR LEVEL transmitter 0% to 100%

3 Answers   Chevron Phillips, Honeywell,

---

What is Cryogenic?

2 Answers  

---

what is rtd

4 Answers   Petrofac,

---