Answer / bravo

Cascade control is having two controllers,one as primary and the other as secondary to increase the effective and accuracy of your control system

N:B the output of the primary controller is the setpoint of the secondary

why use to 250 ohm for hart protocol and why hart communicator not communicate without 250 ohm 

4 Answers   OMV,

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what is the input of digital counter during the the calibration time?

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how to calibrate Necleuonic level transmitter.?

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Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

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how many types of viberation transmitter and how to calibrate and where use of vibration transmitter

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in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

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what is function of PLC, and how is it work , explain with difination

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why 4-20 mA signal is preferred over a 0-10V signal

17 Answers   Sofcon,

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basic connection and principle of axial shift sensor n differential sensors in tubine describes n draw......

0 Answers  

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