What is inside the PLC panel? How does instruments
communicate to DCS computer via PLC? What is the type of
wiring in PLC connections?
Please answer...
Thanks
Answer Posted / janak joshi
plc panel consist of relay cards and in plc we program the
same address we use in dcs programming.we generate o/p from
relay card to rthe field
Is This Answer Correct ? | 1 Yes | 5 No |
Post New Answer View All Answers
Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?
HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?
Explain the burnout feature.
can any one explain in which term we are flow flow is it volumetric r is it mass? and y
Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com
What is the purpose of bypass valve across AS valve.
when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??
What is standard procedure of manual mapping in Radar type level transmitter?
How the sizing of the analog signal cable is calculate?
what is piezoelectric transducer?give an example in power plant n state its principle?
why we r opening HOT BYPASS valve during startup of a compressor?
What are the error values can accepted in flow transmitter calibration?could u give any formula for this?
What is rang ability?
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
How would you choose differential range?