Navigation:  Tutorials > Measurement tutorials > Voltage/current/digital output sensors > DEWESoft 7.0  data acquisition, processing, analyzing and storage software Channel setup

This example uses a simple channel setup with two channels - the first one is the voltage input and the second one is the current input.

 

First, let's scale the voltage input. From the specification we see that the maximum range is 10 SCCM (10 standard cubic centimeters per minute). The voltage output has 0 V for 0 SCCM and 5 V for 10 SCCM. For the current output, 4 mA is 0 SCCM and 20 mA equals 10 SCCM.

 

In the setup for the measurement of voltage, the user should define the units of measurement in SCCM and then sets the Scaling: 5 V equals 10 SCCM . That's all.

 

For current input, we first need to set the Shunt type. The shunt is not recognized automatically by the module, so we need to enter the shunt resistance. In this case, a standard Shunt 1 with 50 Ohm is used, but a custom shunt could also be used. We only need to know the exact shunt resistance. Note that the input of the module changes from V to mA .

Then we enter the units of measurement (SCCM) and the Scaling. It is very convenient to use two point scaling, where we enter the current limits: 4 mA equals 0 SCCM and 20 mA equals 10 SCCM .