Answer / abbbbbb

PLC can perform every task as DCS or vice versa. The name
DCS or PLC depends on the system supplier as per
requirement of the customer

Answer / abdus sattar mollah

The answer is:
WHAT IS THE DIFFERENCE BETWEEN 'CELL' AND 'TISSUE'?
HERE:CELL===PLC
AND
TISSUE====DCS

Answer / p.naresh

plc means program logic control quicklyrespons.and
pertiqrlly usingmeachine or production. DCS;means
distubushion control system this usiong for
scade&eithaernet&controlsystems.all plant using.

Answer / satishpatel-bilimora

plc is a progrramable logic controllers & dcs is a
distributed control systems. plc is a on/off controller.it
controls the only machine on or off. dcs controls the many
plc at the time.

Answer / kamal jeet

programming logic control & digital logic control

what is the procedure of belt scale calibration?

0 Answers  

what do you mean by cathodic protection?

1 Answers   Saipem,

can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know

0 Answers  

when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

1.In which princeple DP transmeter works? 2.Why UPS system is use for DCS? 3.How drum lvel controller works? 4.What is the difference between glob valve and gate valve? 5.How axial shift probe work & in which princeple it works?

1 Answers   Luberef, Qatar Gas, Reliance,

hi i want sov loop cheak from consol to field the operater given status to sov still no change, but MR room to sov ok so whats a problem and alreasy cheak all conection ok ?

2 Answers  

what is mean by TDC-3000

5 Answers   ADCO,

What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

3 Answers   APPSC,

How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

0 Answers  

why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?

0 Answers   NATPET,

what is metal of piston ring

0 Answers   MahaGenco,

What is the compensation of thermocouple

2 Answers   Samsung,