Answer / vaseekaran ganeshan

PROFIBUS (PA & DP)
MODBUS
FIBRE OPTIC COMMUNICATION
ETHERNET
OPC
HART COMMUNICATION.

Answer / karthik

MODBUS TCP/IP
MODBUS RTU
Profibus DP
Profibus PA
Profisafe
HART
Foundation Fieldbus
DH (AB)
MPI (Siemens)
PPI (Siemens)

Answer / afsar mumtaz

1-profibus (process field bus )PA and DP
2-FF
3-profinet
4-MOD bus
5-HART
6-ethernet
7-smart link

What is shriking and swell effect for a boiler ?

1 Answers  

---

What is the use of single seated valve?

0 Answers  

---

can we create an interrupt in plc through scada?

0 Answers   Glensol, TATA,

---

what is the path to communicate from profi to ofc.what is the means of communication.what is multi cire cable in ofc.

1 Answers  

---

what are the three main programming languages in plc

12 Answers  

---

How to calibrate radar type level transmitter for interface level? Total liquid(liq.1 and liq.2), level both the liq individually? For. Both the liquid levels how the signal will go from transmitter to dcs? How to calibrate. Single radar 9:26:55 AM for 2 different liquids in a tank?

0 Answers   Almeer Technical Services,

---

In control engg. : Differences b/w 1st order & 2nd order system, graphically & theoretically ?

0 Answers  

---

What is 3 selection available when configure the burnout protection for controller

0 Answers   EI Electrotechnical Institute,

---

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

2 Answers  

---

Any can guide for QA/QC Inspector in oil & gas region, the procedures, formats standards, design criteria, i search in all enginees but i can't found wat i need?????????

4 Answers   Aramco, Asian Paints,

---

why we cant transmit the dc current easily

1 Answers  

---

why need 3 element system in power plant? if it is not there then what l happen?

5 Answers  

---