Answer Posted / rajesh.kon
always field(Process) instruments are communicated or
connected with PLC, DCS system.those PLC, DCS operating
current is 24 Vdc, so that instrument which are connected with
DCS, PLC system will be also using 24Vdc only.
| Is This Answer Correct ? | 5 Yes | 6 No |
Post New Answer View All Answers
What is frequency factor in massflow meter? When using frequency output?
Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor
what is maxdna ?. explain about the software details.
How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?
which type inter lock use in petrochemical refinery,and oil & gas?
Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem
how to calculate control valve bonnet size?? or how to select its material?
How to change dcs card in online. (Dsc is maxdna)
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail
How many interlocks at turbine? Plz explain briefly
What is the PLC configuration in Cement industry?
what is stroke check for field instument transmetter's & AOV's
Positioner usage.
Definition of reverse and acting controllers: