FAD-40 Technical Manual, Rev.2.1.0; February 2022
Page 18 of 55
4.4. A/D Status (Performance Test)
The scale performance test should be performed before you install the bus connection. The tests are linearity,
repeatability and eccentricity. You can follow the test at the virtual display and/or status tab which show the
measurement data, the instrument data and the software version. For convenience keys for Taring, Zeroing
and Clear are located in this tab.
Figure 5.7
– A/D Status
4.5. Setup of Digital I/O
FAD-40 instruments have 3 digital I/O channels. I/O1 is always an output, I/O2 and I/O3 can be configured for
input or output. The I/O connection diagram is shown in Figure 4.3
I/O1:
Select function and polarity
for I/O1 (output only)
I/O2:
Select function and polarity
for I/O2
I/O3:
Select function and polarity
for I/O3
Setpoint entries:
Enter setpoints.
Setpoint 1 for I/O1, setpoint 2 for I/O2
and setpoint 3 for I/O3.
Figure 5.7
– Digital I/O Setup
