Step correlation data function
Hi all:
I am currently working on a project that looks like a loading system with a syringe push of pressure. I have a pressure sensor that indicates the pressure in the system. I want to have a step function that increases in increments of 10 mmHg of 10 to 180 mmHg. Basically, what needs to happen, is that the pump should come on when the system pressure is lower than that produced by the step function. Thus, for example, the program will begin and the system pressure will be 0 mmHg. The first step of the step function would be to 10 mm Hg, then it is compared to the acquired data to 0 mmHg initially and the pump turns on. When the system pressure reaches 10 mmHg, the pump stops and a second to be ~ 60 delay, then the next step would be 20 mmHg. The pump would turn out until the system reaches 20 mmHg, then another ~ 60 second delay would occur. That would be up to a pressure of 180 mmHg system. Any suggestions for learn how to generate such a work and compare the value of the function at pressure absorbed by the DAQ card value?
Thank you in advance!
Hi brjohns!
To create the ramp stairs ups, you can use a structure of housing and a local variable. You can use an equal? function to determine if the current pressure of the transducer corresponds to the desired level (or not). If both are equal, within the real deal, you can configure your 60-second pause, then add 20 to the level desired to continue the ramp-up to the next step. In the case of false, you would do just that the pump is always open to continue the rise. The following screenshot shows an example of how this might look like.
Tags: NI Software
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