Please refer to the document: SDI-12: A Serial Digital Interface Standard for Microprocessor-Based Sensors, Version 1.3, July 18, 2005, prepared by the SDI-12 Support Group (Technical Committee), for a complete description of the SDI-12 protocol. (http://www.sdi-12.org/).
Note:
In all the following SDI-12 commands discussed, 'a' = the SDI-12 device address assigned the WLTS.
The following commands are supported.