ledbelly2142

It works, I found an error in my typing, missing a ")" in the first line, so the "if" argument was never true.

The "testchannelmax" and "testchannelmin" does not have historical data from "tempchannel".

Is it possible to plot historical min/max with "tempchannel"?

I must be doing something wrong, my test channels are not adding any values.

test channels are device type: Test, I/O type A to D, Timing = 0, no conversions.

No errors on the sequence.

Thank you, it works.

I like this thread, I would like to do something similar.

What if I wanted to get the max and min values for a day (24 hr period) and log it in a test channel?

Would it be the following for max if I ran the sequence at 00:00 every day?

private mx = max(tempchannel)
getTime(max(tempchannel[systime(), systime() - 86400]))
testchannelmax.addvalue(mx)

or should the mx be a global variable

globel mx = max(tempchannel)
getTime(max(tempchannel)[systime(), systime()-86400]))
testchannelmax.addvalue(mx)

Could I make a test channel and put the sequence in the Event of the "tempchannel" channel?

How could I look at the min and max values for each day historically with existing "tempchannel" data?

I hope I'm making sense. I would like to take an existing temperature channel, and look at (graph) historical min and max for each day, as well as month.

Thanks in advance!

Does it matter if the channel timing is run by a sequence?  

If my channel groups are run by sequences, with timing set to "0", will the while statement still work?

while(1)
   if (systime() - channel.time[] > 320)
      device.mydevice.initComm()
      delay(30)
    endif
delay(30)
endwhile



If not, I could pull one channels (in the channel group) back into main and set the timing (I am doing this now because I know it works).