Omega OME-A822PG manual Connector

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2.4.9A/D Software Trigger Control Register _________________________________________ 23

2.4.10D/O Output Latch Register __________________________________________________ 24

2.5Digital I/O __________________________________________________________ 25

2.68254 Timer/Counter __________________________________________________ 26

2.7A/D Conversion ______________________________________________________ 27

2.7.1A/D conversion flow________________________________________________________ 28

2.7.2A/D Conversion Trigger Modes _______________________________________________ 29

2.7.3A/D Transfer Modes ________________________________________________________ 29

2.7.4Using software trigger and polling transfer ______________________________________ 30

2.8D/A Conversion ______________________________________________________ 31

2.9Analog Input Signal Connection _________________________________________ 32

2.10Using OME-DB-8225 CJC Output ______________________________________ 36

3.Connector _________________________________________________________ 37

3.1CN1/CN2/CN3 Pin Assignment _________________________________________ 37

3.2Daughter Board________________________________________________________ 40

3.2.1OME-DB-8225 ____________________________________________________________ 40

3.2.2OME-DB-37 ______________________________________________________________ 40

3.2.3OME-DB-16P _____________________________________________________________ 40

3.2.4OME-DB-16R_____________________________________________________________ 40

4.Calibration___________________________________________________________ 41

4.1Description of Variable Resistors ________________________________________ 41

4.2D/A Calibration ______________________________________________________ 42

4.3A/D Calibration ______________________________________________________ 43

5.Diagnostic Utility____________________________________________________ 44

5.1Introduction_________________________________________________________ 44

5.2Running The Diagnostic Utility _________________________________________ 46

5.2.1Setup ____________________________________________________________________ 47

5.2.2CALIBRATION ___________________________________________________________ 49

5.2.3FUNCTION TEST _________________________________________________________ 50

5.2.4SPECIAL TEST ___________________________________________________________ 58

5.2.5Help ____________________________________________________________________ 59

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Contents User’sGuide Mexico CanadaBenelux Czech RepublicOME-A-822PGH/PGL Introduction Tables of ContentsConnector General Description FeaturesPower Consumption SpecificationsAnalog Inputs 3 A/D ConverterInterrupt Channel DA ConverterDigital I/O Direct Memory Access Channel DMA Programmable Timer/CounterProduct Check List ApplicationsBoard Layout Hardware ConfigurationDefault base address is I/O Base Address Setting1 JP1 D/A Internal Reference Voltage Selection Jumper Settings3 JP3 Single-ended/Differential Selection 2 JP2 D/A Int/Ext Ref Voltage Selection5 JP5 Interrupt Level Selection 4 JP4 A/D Trigger Source Selection6 JP6 User Timer/Counter Clock Input Selection DRQ JP7 Dack JP8 DMA 7 JP7 DMA Dack Selection JP8 DMA DRQ SelectionAddress Read Write I/O Register AddressConversion is completed, the Ready bit will clear to zero 1 8254 Counter2 A/D Input Buffer Register 3 D/A Output Latch Register Clear Interrupt Request 4 D/I Input Buffer RegisterGAIN3 GAIN2 GAIN1 GAIN0 6 A/D Gain Control Register7 A/D Multiplex Control Register OME-A-822PGH Gain Control Code Table8 A/D Mode Control Register 9 A/D Software Trigger Control Register 10 D/O Output Latch Register CN2 Digital I/OCounter 8254 Timer/CounterA/D Conversion Polling, interrupt and DMA 1 A/D conversion flow3 A/D Transfer Modes 2 A/D Conversion Trigger ModesRefer to Sec Using software trigger and polling transferDelay the settling time refer to Sec .4.6 and Sec D/A Conversion Analog Input Signal Connection OME-A-822PGL/PGH Hardware Manual OME-A-822PGL/PGH Hardware Manual Use a single connection to frame ground not A.GND or D.GND Signal ShieldingUsing OME-DB-8225 CJC Output CN2 Digital Output Pin Assignment CN1/CN2/CN3 Pin AssignmentCN1 Digital Input Pin Assignment SINGLE-ENDED Signal Mode Differential Signals OME-DB-8225 Daughter BoardOME-DB-37 OME-DB-16PDescription of Variable Resistors CalibrationD/A Calibration A/D Calibration Introduction Diagnostic UtilityOME-A-822PGL/PGH Hardware Manual Running The Diagnostic Utility Base address selection screen SetupDMA no and IRQ no selection screen Calibration Function Test Test Test Screen Digital I/O Test Screen Multiplexer Test Screen Use IRQ Test Screen Use DMA Test Screen DA Gain Test Screen Timer 0 Test Screen Special Test Help WARRANTY/DISCLAIMER Temperature
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