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“SHEF Fixed” is a special version of the SHEF format where numbers are fixed to seven
decimal points.
SSP Format
“SSP” is a binary format following the specifications of the Sutron Standard Protocol,
which is useful when transmitting to XConnect or Tempest master stations.
If you are interested in knowing more about the low-level details of the protocol, please
contact Sutron Customer Service.
Text Format
The Text format is an ASCII, human readable format intended to convey the current
status of the sensors, quality, and alarm state. It is similar in format to the “SHOW”
command, and is intended for alarm messages. It’s also the default format for SMS
Alarm messages when SMSAlarmsEnable are enabled. Sensor readings are separated by
<CRLF>, while fields in the sensor data are separated with a space.
An example of a Text format message:
RTU01 12:22<cr><lf>
STAGE 4.55 G H+R+<cr><lf>
RAIN 2.0 G OK<cr><lf>
The message begins with the station’s name (“RTU01”) and the current time in HH:MM
(12:22) format followed by a list of sensor readings containing the name of the sensor
(“STAGE”), the value (“4.55”), the quality (“G”), and the alarm status (“H+R+”).
In the above example "H+R+" indicates that STAGE is experiencing a high limit and
high rate of change alarm, while the “OK” status for RAIN indicates that it is within
expected limits.
Quality codes:
G: Good quality
B: Bad quality
U: Undefined quality
Alarm codes:
H: High limit exceeded
L: Low limit exceeded
R: High Rate of change
OK: Normal
A “+” after a code indicates that the sensor has just entered that state, while a “-“
after a code indicates that the sensor has just exited that state.
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