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This tutorial assumes that you have completed the exercises of tutorials 1 and 2 successfully. In this particular tutorial, we will focus on the order of rules and states in Process Controller. The subsequent tutorial will focus on interfacing pumps, valves and sensors with states in Process Controller.
What is a
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State?
The computer sends a digital signal to a stampbox that translates the signal into an analog signal that is utilized to control pumps and valves. A state is the signal that the computer is programmed to send for a given set of conditions over a duration of time.
Step One: Create Off State
In process controller software, click on the "Rules & States" tab and create an OFF state. This state is an important state in case you wish to shut down the experiment at any point.
