Sutron Corporation X-Link Operations & Maintenance Manual, Rev 1.63 5/24/2016 pg. 101
Wind Direction Setup
Value
Wind Type
Wind Dir Analog
Analog Type
0-5V A
Warmup
0 sec
Averaging Time
00:00:10
Sampling Interval
1.0 sec
Use Equation
On
Equation
X/VREF*355 {converts to degrees}
Some settings have been excluded from the table above. Settings such as
Measurement Interval
and
Time
are left to the user to decide. Also
Wind
Averaging
can be set to Vector or Scalar depending on the user’s needs.
8.2.
Thermistor
This section describes how to physically connect the thermistor and how to
configure the setup in X-Link.
The sensor used in this example is a PS103J2 thermistor. This sensor is a 10k ohm
type and has two leads, so completion resistor (0.1% or better) must be added.
This completion resistor will help X-Link calculate the resistance of the
thermistor by measuring the voltage generated by two resistances (a known and
unknown).
Since our thermistor is a 10k Ohm type, we will use a 10kohm completion
resistor. The equation
10000*X / (VREF-X)
Where the 10000 is our completion resistor in ohms
and X is the voltage reading.
will give us the resistance of the thermistor, which can then be placed into the
Steinhart-Hart equation to calculate temperature. In X-Link, the Steinhart
equation already converts the retuned value from Kelvin to Celsius.
To wire it up, connect like so (The lead numbers are not marked with numbers;
this is just a reference.)
Completion Resistor
X-Link Connections
Lead 1
Vref
Lead 2
Analog 0-5V (A or B, same as thermistor).
Thermistor
Lead 1
Analog 0-5V (either A or B)
Lead 2
AGND
Thermistor Setup
Value
Active
On
Label
TEMP
