Answer / jignesh patel(abb)

field bus is a digital communication link between field
instruments and process control system like DCS,now a days
field bus is widely used for transmitting of signals
The type of field bus is...
1.Modbus
2.Profibus
3.Foundation fieldbus
4.CAN
5.Profinet
6.Ethernet.

Answer / patrik

field bus is the latest technology used in the process
industry for transmission of signals.it eliminates the heavy
wiring used in the traditional 4-20 mA transmission.it also
enables the manufacturers to use the latest SMART devices
avilable in the market .

Answer / faiyaz ahmad

Field bus is communication protocol which is used to communicate between the transmitter and controller like PLC and DCS Transmitting and receiving the signal through a Field bus protocol.

what is the difference between active & reactive power?

0 Answers  

---

how many mmwc are eual to 1kg/sq.cm & can we calculate mmwc into tph?

2 Answers  

---

What is the difference between radar and ultrasonic level transmitter? Which method is best and more accurate?

8 Answers  

---

how we can check level probe and controller

2 Answers  

---

how pressure transmitter work, what is its principal to measure and how its generate signal. for pressure transmitterinstallation which precautions must be taken ??

0 Answers  

---

what is the difference between DELTA-V & FOUNDATION FIELD BUS

4 Answers  

---

Why we use 250 ohm resister in series hart communicator?

3 Answers   Thermax,

---

any body tell me ,contol valve has how many cheractristic? explain it.

6 Answers   L&T,

---

why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

0 Answers   Hospira,

---

Can we use mov instead of esdv Explain the reason

1 Answers   KOC,

---

can a control valve works without positioner?why need tunning of c/v?

4 Answers  

---

What pressure transmitter.

1 Answers  

---