Boolean and door - false logic where T + T = F?
Hello
I did a VI who somehow gives me an invalid output of an and gate? where T + T = F
The door controls execution of a while and loop. The local variable is written on one are all loop on "full implementation" of a VI express sigexp
I thought dataflow in this door would mean that the output should update every time that the inputs to the and the door have been updated?
Excerpt from VI:
Any guy of pointers?
See you soon,.
Paul
What sensors look like if you put a breakpoint on the wire just before the machine stop?
or what happens if you put a structure to sequence around the local variable and AND operator, then the local variable does not play until the PDM code finishes?
You should know that you shouldn't stop your consumer loop using a local variable at all. This above race condition occurs each time because the real value is not get read in until the next iteration after you press stop, how have no new incoming data. If you close your reference queue after the loop of producer, your consumer loop will throw an error and you can trigger stop the loop in this way.
Never use the size of the queue of zero to stop the loop either because then you'll never be able to use the timeout feature. If it ever expires, it stops the loop.
Here's what happens:
- Local var Stop false reads in the loop of consumption
- Dequeue wait given coming function
- The user presses Stop
- Producer enqueues loop last data value and stops
- Consumer loop removes the last data value, displays a real
- AND the operation with the value False that remained in the local variable datawire-> set to False to stop
- Next iteration of loop of consumer
- Var local Stop reads true loop consumers within the same second as the end of the previous loop iteration
- Dequeue function sitting for-ev-er because no new data will be
Tags: NI Software
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