ControlDraw
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 29 - For Instrument Engineers (Web Page)



Instrument Engineers work on the measurement and often the actuation systems - which are essential for the control to work- and often they are actually the Control Engineers as well.
Instruments include those that measure process parameters, such as flows, levels, pressures etc and also those that can actually change the process, such as control valves. These are known as Effectors or Final Control Elements

Instruments are the devices that connect a process control system to the real world of physical equipment, and they are the bedrock of the systems, because you can only control what you can measure and only if you have Effectors.

Some engineering software integrate the production of the P&ID's with the Instrument specifications. Some even claim to be able to automatically configure the Process Automation system, such as popular DCS's. However beware - this is a long way short of completely programming such systems, it really only covers Basic Control


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