Answer / praveen

0 milliamp is dead zero and 4 milliamp is live zero

Answer / shibli nomani

Live0-At 0 input ,output has some value e.g at 0 tx has 4mA.
Dead0-At 0 input, output has Also zero.

dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

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