Section 4
Evaluation
23
FT702LT/D Flat Front Wind Sensor Manual
4 EVALUATION
4.1 Evaluation Pack
To help users carry out a test bench assessment of the FT702LT/D FT Technologies sells an Evaluation Pack.
The Evaluation Pack includes the FT055 cable to connect the sensor to an external power supply. The cable is
also fitted with a USB connector to connect the wind sensor directly to a computer so that its settings can be
checked and configured. There are also colour coded wires allowing the current loops to be measured with a
multimeter or oscilloscope. (See Figure 21)
The pack also includes the FT702LT/D Set-
Up and Test Program for changing a sensor’s settings (see section
5).
4.2 Wiring Diagrams
The FT702LT/D can be easily tested by connecting a DC ammeter in series with each current loop. A positive
supply must be provided to one of the current loop wires. The other wire must then be connected through an
ammeter to ground. This is because the FT702LT/D current loops
sink
current, they do not source it. Figure 21
shows how the Evaluation Pack can be quickly set up to evaluate the current loops.
Figure 21: Evaluation Pack Current Loop Set Up
