MSB780(X) - User’s Guide
8.16 Setting parameters via SDI-12
Various parameters can be set via SDI-12 interface.
Example of setting a new value for parameter HQFE:
0XHQFE2.3m!<cr>
0+2.300000m<cr><lf>
0XHQFEstore!<cr>
0+2.300000m<cr><lf>
The new value of parameter HQFE has been set to 2.3 m and stored to non-volatile memory.
List of parameters which can be set is in table 19.
Table 19: MSB780 SDI-12 commands
Parameters accessible via SDI-12
Parameter Short description Unit
HQFE
Set altitude for QFE corrected pressure
m, ft
HQNH
Altitude for QNH corrected pressure
m, ft
TQFE
Temperature for QFE corrected pressure
C, F, K
HHCP
Altitude for HCP corrected pressure
m, ft
DPMAX
Maximum permissible pressure difference
hpa, inHg
K1
Adjust coefficient gain for sensor 1
Q1
Adjust coefficient offset for sensor 1
K2
Adjust coefficient gain for sensor 2 (when installed)
Q2
Adjust coefficient offset for sensor 2 (when installed)
K3
Adjust coefficient gain for sensor 3 (when installed)
Q3
Adjust coefficient offset for sensor 3 (when installed)
8.17 Reading parameters via SDI-12
The parameters listed in table 19 can be read. For example to read the HQFE parameter:
0XHQFE?!<cr>
0+2.300000m<cr><lf>
9 Analog output
The analog output can work in voltage or current mode. The following ranges are available:
78
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