Sutron Corporation Satlink Operations & Maintenance Manual, Rev 8.04.2 11/3/2016 pg. 132
14.2.3.
Sampling Too Short
This happens when the sensor response time is longer than the sampling interval. SDI-12
readings are a good example: if a sensor requires 10 seconds to produce a reading, and the
sampling interval is 10 seconds, this error gets set.
14.2.4.
Averaging Too Short
The averaging interval is either shorter than the sampling interval or than the sensor reply time.
14.2.5.
Bad Setup
This error is recorded to indicate one of the following:
The equation processor reported an error (could be a divide by 0 or syntax error)
A meta measurement referenced an inappropriate measurement
The SDI-12 Command was set to an invalid value
The SDI-12 sensor did not provide enough data values in the result (check
SDI-12 Param
)
14.2.6.
Bad Wind Setup
Satlink requires that two measurements to be set up for wind: a speed and a direction and that
the two measurements have an identical schedule.
See section Measure Type: Wind.
14.3.
System Errors
14.3.1.
Recording Off
If recording is turned off, Satlink is not collecting data. That is why this condition is considered an
error. This error persists until recording is turned on.
14.3.2.
Time Not Set
This error is noted when Satlink does not have valid time. This error can only be fixed by allowing
the system to sync its time via GPS.
Satlink has an RTC (real time clock) backed by an internal battery. The clock is set at the factory.
The RTC keeps ticking even if the main battery is removed. This means that Satlink should not
forget the correct time when it loses power. The battery lifetime is more than five years.
14.3.3.
Battery Low
Satlink considers any battery voltage below 9.00 V to be an error in an effort to indicate that the
battery needs to be changed. SL3 will not make any measurements or transmissions when the
voltage is below this value. The value can be changed via the “Cutoff System Low” command.
The only way to fix this error is to provide a supply of more than the cutoff voltage.
14.3.4.
Transmission Failures
A variety of issues can cause problems with transmissions:
Two or more consecutive transmissions failing cause an error.
If more than 25 percent of total transmissions fail, an error is flagged.
