Hach ANATEL PAT700, Руководство оператора

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PAT700 Total Organic Carbon Analyzer – Diagnostics Page 115
Anatel
Operator Manual
Digital I/O test
The digital I/O test icon allows you to test digital I/O communication. See Figure 8-6 . 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 8-6 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.
4-20 mA output test
The 4-20 mA output test icon allows you to test the 4-20 mA outputs. See Figure 8-7 . To
perform the test, you must connect a digital multimeter to the appropriate output to measure
the voltage.
1) Connect a digital multimeter to one of the 4-20 mA outputs.
2) Press the corresponding output icon to start the test.