Sequoia LISST-ABS, Руководство пользователя

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2.2 SDI-12 Operations
SDI-12 Connections
The LISST-ABS is compatible with SDI-12 protocol version 1.3.
This section is divided into two parts, Connecting to your
datalogger and SDI-12 command summary.
SDI-12 only requires three wires. Power, Ground and Data.
Appendix A includes detailed descriptions of the use of the
individual pins of the 8-pin connector on the LISST-ABS.
However, in most case you will be using a cable provided by
Sequoia for connecting to your SDI-12 compatible datalogger.
To make the connections easier we have provided different
cable terminations designed specifically for different connection
requirements. For example we provide a termination with only
the three individual wires that are labeled and can be easily
connected to the datalogger. The mating connector makes it
easy to remove the long cable without disconnecting the wires
from the datalogger. You can also easily switch between the
datalogger and the USB cable if needed.
The wires are labeled and color coded. Connect the Black wire
to Ground. Connect the Red wire to +12V. Connect the Green
wire to SDI-12 Data.
The LISST-ABS is shipped pre-configured with an SDI-12
instrument address of 0.
The available SDI-12 commands are described below.
Following the command descriptions are some suggested best
practices for using the LISST-ABS with SDI-12.