Sutron Corporation X-Link Operations & Maintenance Manual, Rev 1.63 5/24/2016 pg. 73
Maximum (the highest sample collected)
Number of samples collected
Details can only be enabled if averaging (see page 70) is taking place; otherwise,
the number of samples would be 1, and the minimum and maximum would be
equal to the final result. Details are useful for diagnostics and for capturing the
minimum and maximum values.
7.1.3.
Processing Settings
7.1.3.1.
Slope
See Offset below.
7.1.3.2.
Offset
Every measurement is computed by taking the sensor reading, multiplying it by
slope and adding offset to it.
Measurement result = (sensor output)*slope + offset
Slope defaults to 1.0 and offset defaults to 0.0, meaning they will not affect
measurement result by default.
Traditionally, when using an analog sensor, slope and offset are required to
convert the voltage output by the sensor into desired units. The required slope
and offset are provided by the sensor manufacturer.
X-Link supports more complex equation processing (see
Equations
below).
Slope and offset are applied
after
equations.
The reading before slope and offset are applied is referred to as the
raw
reading.
For example, if an analog sensor were to provide a voltage of 2 volts, and the
user had set up the
Slope
as 5 and
Offset
as 1, the final reading would be 11 (2*5
+ 1). The
raw
reading would be 2. If
Details
is enabled, the raw reading is
displayed on the command line by typing MEAS or LAST.
X-Link offers easy ways to change the current reading of the measurement by
modifying just the offset or both the slope and offset via the calibration
functions.
7.1.3.3.
Use Equation
See Equation below for examples.
7.1.3.4.
Equation
Data collected from sensors to be processed by an equation. If the reading
provided by the sensor needs more than just an offset and a slope applied,
equations provide that functionality.
Equations are supported only by the first eight measurements
. Equations may
only be entered using the command line interface or via LinkComm.
