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

which type signal come control valve

6 Answers  

---

what is scale factor of proximitor & unit of the vibration.

0 Answers   ADMA OPCO,

---

please suggest me, how can i change the display setting in term of unit in place of % of Honeywell pressure transmitter ST3000S100?

2 Answers  

---

What is the purpose of MATLAB?

3 Answers  

---

plz exlain the dcs system of ABB sympony hamnony

1 Answers  

---

Hello Friends do you know this answer of this Question? Which color you would use when there is Somthing not correct or need to change In P&ID? i mean color that use for highlight that need to update in P&ID. Yellow Highlighter ? Red color ? Blue Color ? Appreciate for your answer. Thanks Blue Color

2 Answers  

---

i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

0 Answers  

---

what is Potential free contact? where it is used?

3 Answers   Engineers India Limited,

---

Yokogawa dcs normally where will change 4-20 MA to DC voltage( node or I/o cards?)

1 Answers  

---

If an Instrument has 550 ohm internal resistance and the cable used for that instrument is 0.5 ohm per meter resistance. If the voltage is 12volt.How much length cable can be used? Please tell me its Calculation formula.

5 Answers   MOL,

---

hay friends, i am in trouble to understand PID controller. several times i have study but it is not clear to me have you a simple way to understand.

1 Answers  

---

difference between null and deflecting instrument.

5 Answers   ONGC,

---