30731823-001
In Stock
A/D Mux Board
This A/D Converter & Multiplexer card is used in the Basic Controller, Extended Controller, and Multifunction Controller. It accepts 16 analog inputs of 1 to 5 volts and converts them to 12-bit digital words for use by the CPU. Test points and potentiometers are present on the card edge to be used during calibration and adjustment.
Adjustments
| Location | Description |
| R1 | Low test V adjustment |
| TP1 | Low test V equal to 1.000 VDC referenced to A/D sense line |
| R2 | High test V adjustment |
| TP2 | High test V equal to 5.000 VDC referenced to A/D sense line |
| TP3 | Internal test for A/D converter, is equal to 5.000 VDC, referenced to common |
| R3 | Internal span voltage adjustment |
| TP4 | Internal span voltage for A/D converter, equal to 9.550 VDC, referenced to common |
| TP5 | A/D sense line, same as signal common |
| TP6 | Power supply common (PSC) |
| TP7 | Internal zero voltage converter, equal to 3.430 VDC, referenced to common |
| R4 | Internal zero voltage adjustment |
| R5 | Internal reference voltage adjustment |