Products, Inc Computer Hardware User Manual

2.4.9 A/D Software Trigger Control Register _________________________________________ 23
2.4.10 D/O Output Latch Register __________________________________________________ 24
2.5 Digital I/O __________________________________________________________ 25
2.6 8254 Timer/Counter __________________________________________________ 26
2.7 A/D Conversion ______________________________________________________ 27
2.7.1 A/D conversion flow________________________________________________________ 28
2.7.2 A/D Conversion Trigger Modes _______________________________________________ 29
2.7.3 A/D Transfer Modes________________________________________________________ 29
2.7.4 Using software trigger and polling transfer ______________________________________ 30
2.8 D/A Conversion ______________________________________________________ 31
2.9 Analog Input Signal Connection _________________________________________ 32
2.10 Using OME-DB-8225 CJC Output ______________________________________ 36
3. Connector _________________________________________________________ 37
3.1 CN1/CN2/CN3 Pin Assignment _________________________________________ 37
3.2 Daughter Board________________________________________________________ 40
3.2.1 OME-DB-8225 ____________________________________________________________ 40
3.2.2 OME-DB-37 ______________________________________________________________ 40
3.2.3 OME-DB-16P_____________________________________________________________ 40
3.2.4 OME-DB-16R_____________________________________________________________ 40
4. Calibration___________________________________________________________ 41
4.1 Description of Variable Resistors ________________________________________ 41
4.2 D/A Calibration______________________________________________________ 42
4.3 A/D Calibration______________________________________________________ 43
5. Diagnostic Utility____________________________________________________ 44
5.1 Introduction_________________________________________________________ 44
5.2 Running The Diagnostic Utility _________________________________________ 46
5.2.1 Setup ____________________________________________________________________ 47
5.2.2 CALIBRATION ___________________________________________________________ 49
5.2.3 FUNCTION TEST _________________________________________________________ 50
5.2.4 SPECIAL TEST ___________________________________________________________ 58
5.2.5 Help ____________________________________________________________________ 59
OME-A-822PGL/PGH Hardware Manual ---- 3