Digital I/O Test - Hach Anatel PAT700 User Manual

Diagnostics

8.4.2 Digital I/O test

The digital I/O test icon allows you to test digital I/O communication. See Figure 106.
Before you perform the digital I/O test, make sure I/O wiring is properly connected.
1. Connect the digital inputs to a system that is capable of sending a digital signal
2. Configure one digital input with a high signal and the other with a low signal.
3. Connect the digital outputs to a system that is capable of reading digital signals.
4. Press the start test icon.
Figure 106 Digital I/O test dialog box
Start test icon sends send a digital signal out the specified digital output port and reads
the signal on one of the digital input ports. If the read data matches the sent data, the test
passes.
Return icon returns you to the diagnostics dialog box.
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