Sutron Corporation Satlink Operations & Maintenance Manual, Rev 8.04.2 11/3/2016 pg. 78
9.3.3.6.
SDI-12 Command Utility
The SDI-12 command utility dialog is used to send SDI-12 commands to sensors connected to
Satlink. It can also be used to quickly find what sensors are connected to the SDI-12 bus.
To send a command to an SDI-12 device connected to Satlink, enter the
Address
and
Command
fields, and then press the
Send
button. Be sure to check
SDI-12 over RS-485
, if you need to send
the command over the RS-485 bus. The results of the command are shown in the SDI-12 history
window.
To have Satlink look for any and all sensors on the SDI-12 bus, press the
Find Devices
button.
Information regarding what sensors are found is displayed in the SDI-12 history window.
Press the
Clear
button to clear the SDI-12 history window.
9.3.4.
Measure Type: Analog
Analog measurements involve reading a voltage or current provided by a sensor. Analog sensors
come with instructions that provide information on how to translate the output voltage into
desired units. Translating the analog sensor output into environmental units can be done via
slope and offset for simple sensors, and via equations for non-linear sensors.
9.3.4.1.
Analog Type
This setting directs the input channel to which the sensor should be connected and the type of
analog measurement to make. These options are available
0-5V A
0-5V B
Diff C
Diff D
Diff E
4-20 mA