stop the program

Hello

I have a programworking of labview as follows

the labview program will wait you until the threshold is detected as if the voltage is greater than 5 volts

then it will send an sms message using a modem gsm per VISA

the threshold voltage can last for hours and I don't want that a message be sent while the program is always looking for amplifiers

I need the prgram to run all the time that I need to watch the House through labview

So what program I can do

I think its simple, but I can't reach it

looking for your help

To detect the transition that you want to look for the case where the current value of the comparison to the threshold is in a State, and the previous comparison is in the other State.

You should have a wait in the case of False function (or a single outside the structure to deal with values inside each case). Without it, the loop runs as fast as possible to consume all of the CPU resources available at least in a carrot.

Is there a reason that you have three written rather than the concatenation of all the channels and just do an entry?  Normally, opening and closing the serial port inside a loop are not a good idea.  You indicated that the system may be inactive for hours between messages, so it may be OK here.  What happens if the serial port configuration fails because another program is using it or the GSM device is unresponsive?  You do not any management mistakes.  A remote system running for long times should have robust error management.

Lynn

Tags: NI Software

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