What is diffrent profibus & OFC Communication

1 Answers   Priya Cement,

---

In apron feeder how TPH is calculated?

0 Answers   Lafarge,

---

What is the role of Integral in pid control?

6 Answers  

---

which type signal come control valve

6 Answers  

---

what is the formulae to find the thermocouple output to temperature

5 Answers  

---

---

How does work A temperature valve or fv control valve in process plz brief me

0 Answers   Jindal,

---

why relays are used with plc?

4 Answers  

---

we have LPG spherical Tank and we want to install DP Xmtr for level measurement.below are the physical measurements Total height of tank is 1850 mtr but 0% level is 1000mm above bottom and 100% level is 450 below upper side.What is the LRV and URV and please mention the formula .The SG of LPG is 0.53 and Wet Leg method will be used.

7 Answers  

---

capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

---

can you suggest good traning institute in instrumentation ? (in automation, or designing)

5 Answers  

---

Thermocouples work as follow:

1 Answers   Dashen Brewery, Tata Power,

---

Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

---