Loop inputs Updting
Hi friends!
I'm getting crazy almos here with a problem that is certainly simple to solve:
The main VI has an inditator to show the operator value to the process. In the background there is a running process control state machine. To make it simple, lets things say there are 3 States: calculation, waiting for response and action. The entire structure should work like this:
#1 in the State of computing read the value of process and determine the desired output
#2 in the State of release, that the output is applied to the process
#3 in the State waiting for answer that the machine waits until the output applied previously to affect the process
The indicator is updated permanently, it relates a VI acquisition in the outermost loop. The problem is that the value used during the calculation step is still related to this indicator. So, as I could debug, right after the computer leaves the Calculatoin State, data acquisition equipment deliver a new reading of the procedure, a TI keep it permanently. In this way, when the machine returns to the State of computing, several cycles of outer loop, the value of avaiable in the tunnel we a former that happened just after leaving the State of computing, not the last of them acquiring hardwre read.
It is important that acquiring VI remains in the outer loop, in order to get the update indicator. The number of States and their features is also quite imutable. It seems to me that all my problems would be charging if the case structure used in the state machine could use hust the last value source of the materials.
I'm ugly, I'm sorry for the text of los, but someone have an idea of what could be the gift in this case?
Thank you very much
Leo
Tags: NI Software
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IgorS. wrote:
Hello experts,
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