Hello All Readers
I would appreciate some guidance on how to set up dEX for the following measurement

Background: measuring the voltage from a wind turbine output which, is vague,....comes and goes at random according to the wind. Obviously, don't want to be sampling with the DT80 while the turbine is not outputting a voltage

Voltage input to DT80 is 0-10VDC

Would like to trigger a measurement when a voltage, greater than zero, appears at the input of the DT80 (channel 1), and then stop measuring when the voltage falls to zero again.

I am using the dEX utility to program the device, and am fine with setting up the channel definition......just no sure of the triggering setup for the above

Thanks and best regards
ray

I am new to DT80, been a Campbell man for years though.

I would assume that you could do this with an alarm, have the DT80 check for voltage and if it reads something set an alarm high. When the alarm is high, log the data

Cheers

Grant

Hi ray,

Sorry for late respond, I totally missed your enquiry until Grant brought it up (Thanks Grant).

There are many ways to achieve selective logging.
One method has been described by Grant using LOGON or LOGOFF command which is being triggered through alarm (Thanks again Grant).

There are two other methods:

• The second one is almost similar to the first method, instead of using LOGON or LOGOFF, we may use Halt or Go on schedule (HA - halt schedule A; GA - go schedule A).
• The third method is porting to another schedule which run manually. Example (this example is written in native language, it is quite easy to convert it into dEX): .... RA1S 1V(=1CV,W) IF(1CV>0){XB}

RBX LOGONB
1CV("Voltage"
....

Best regards,
Rudy Gunawan