Using the loop diagram from the Loop diagram calculate the m

Using the loop diagram from the Loop diagram calculate the maximum error for the loop assuming an Intrinsically safe circuit with the errors and at the conditions as per the table below:

Device

Error

Reading

Level Transmitter

± 2 %

Full Scale

60%

Flow transmitter

± 2 %

Reading

40 %

IS Barrier

± 0.25 %

Full Scale

AI card

± 0.05 %

Full Scale

AO card

± 0.05 %

Full Scale

Valve Positioner

± 3 %

Reading

Valve Actuator

± 2 %

Full Scale

65%

a) Expand and complete the above table.

b) Calculate the error for the Input(s)

c) Calculate the error for the Output.

d) Calculate the error for the total loop.

Solution

https://www.acromag.com/sites/default/files/Acromag_Intro_TwoWire_Transmitters_4_20mA_Current_Loop_904A.pdf

http://www.datataker.com/Datalogger_Manual/Measuring%204-20mA%20Current%20Loops.htm

https://www.scribd.com/doc/274379442/LOOP-DIAGRAM