Answer / samir & manoj

BRAIN its specially designed for YOKOGAWA instruments, By
it you can only communicate with YOKOGAWA instruments, HART
is universal protocol, it can communicate with mostly
brands of instruments. As HART having multiple licence with
many downloaded softwares.

How do understand by hart protocol?

4 Answers   BW Instrumentation Electrical,

---

What is actuator what is motorized control valve?

5 Answers   Emco,

---

WHY WE NOT USE 2-20mA,1-20mA,3-20mA or 10-50mA SIGNAL? INSTEAD OF 4-20mA.

6 Answers   Hindustan Unilever Limited, Yashmun Engineers,

---

I want to measure level under vaccum by using DP Tx and vaccum vary between -500 to -670 mmHg and process fluid is accetic anhydride if consider process fluid density 1 kg/cm2. how to calibrate Tx ? consider level is 0 to 100 Cm.

1 Answers   CCC,

---

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

4 Answers   Samsung,

---

---

pt range is -45 psi to 45 psi.friends can you give answer with calculation and with linerity scale like 0%,25%,50%,75%& 100%?

1 Answers   WB,

---

How to calibrate the control valve.

1 Answers  

---

What is the formula to convert mv to temperature in k type thermocouple?pls simply elaborate? I got one ans.it is Temp=mv×25°+atmospheric temp,but here what is 25°,i confusef ,so pls????

2 Answers   HPCL,

---

why 1 to 5 vdc is used for output measurment

4 Answers  

---

What are the Components of Siemens S7 300 Series PLC system ?

1 Answers   Siemens,

---

Difference b/w SCADA & DCS

8 Answers   Siemens,

---

What standards are used for earthing of field instruments?

1 Answers  

---