Omega OME-A822PG manual Tables of Contents, Introduction

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Tables of Contents

1.Introduction_________________________________________________________ 4

1.1

General Description __________________________________________________ 4

1.2Features _____________________________________________________________ 4

1.3Specifications _________________________________________________________ 5

1.3.1Power Consumption : ________________________________________________________ 5

1.3.2Analog Inputs ______________________________________________________________ 5

1.3.3A/D Converter _____________________________________________________________ 5

1.3.4DA Converter ______________________________________________________________ 6

1.3.5Digital I/O_________________________________________________________________ 6

1.3.6Interrupt Channel ___________________________________________________________ 6

1.3.7Programmable Timer/Counter _________________________________________________ 7

1.3.8Direct Memory Access Channel (DMA) _________________________________________ 7

1.4Applications __________________________________________________________ 8

1.5Product Check List ____________________________________________________ 8

2.Hardware Configuration ______________________________________________ 9

2.1Board Layout_________________________________________________________ 9

2.2I/O Base Address Setting ______________________________________________ 10

2.3Jumper Settings______________________________________________________ 11

2.3.1JP1 : D/A Internal Reference Voltage Selection___________________________________ 11

2.3.2JP2 : D/A Int/Ext Ref Voltage Selection ________________________________________ 12

2.3.3JP3 : Single-ended/Differential Selection________________________________________ 12

2.3.4JP4 : A/D Trigger Source Selection ____________________________________________ 13

2.3.5JP5 : Interrupt Level Selection ________________________________________________ 13

2.3.6JP6 : User Timer/Counter Clock Input Selection __________________________________ 14

2.3.7

JP7 : DMA DACK Selection,

JP8 : DMA DRQ Selection _____________________ 15

2.4I/O Register Address__________________________________________________ 16

2.4.18254 Counter _____________________________________________________________ 17

2.4.2A/D Input Buffer Register ___________________________________________________ 17

2.4.3D/A Output Latch Register ___________________________________________________ 18

2.4.4D/I Input Buffer Register ____________________________________________________ 19

2.4.5Clear Interrupt Request______________________________________________________ 19

2.4.6A/D Gain Control Register ___________________________________________________ 20

2.4.7A/D Multiplex Control Register _______________________________________________ 21

2.4.8A/D Mode Control Register __________________________________________________ 22

OME-A-822PGL/PGH Hardware Manual ---- 2

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Contents User’sGuide Canada MexicoBenelux Czech RepublicOME-A-822PGH/PGL Tables of Contents IntroductionConnector Features General DescriptionSpecifications Power ConsumptionAnalog Inputs 3 A/D ConverterDigital I/O DA ConverterInterrupt Channel Programmable Timer/Counter Direct Memory Access Channel DMAApplications Product Check ListHardware Configuration Board LayoutI/O Base Address Setting Default base address isJumper Settings 1 JP1 D/A Internal Reference Voltage Selection2 JP2 D/A Int/Ext Ref Voltage Selection 3 JP3 Single-ended/Differential Selection4 JP4 A/D Trigger Source Selection 5 JP5 Interrupt Level Selection6 JP6 User Timer/Counter Clock Input Selection 7 JP7 DMA Dack Selection JP8 DMA DRQ Selection DRQ JP7 Dack JP8 DMAI/O Register Address Address Read Write2 A/D Input Buffer Register 1 8254 CounterConversion is completed, the Ready bit will clear to zero 3 D/A Output Latch Register 4 D/I Input Buffer Register Clear Interrupt Request6 A/D Gain Control Register GAIN3 GAIN2 GAIN1 GAIN0OME-A-822PGH Gain Control Code Table 7 A/D Multiplex Control Register8 A/D Mode Control Register 9 A/D Software Trigger Control Register 10 D/O Output Latch Register Digital I/O CN28254 Timer/Counter CounterA/D Conversion 1 A/D conversion flow Polling, interrupt and DMA2 A/D Conversion Trigger Modes 3 A/D Transfer ModesDelay the settling time refer to Sec .4.6 and Sec Using software trigger and polling transferRefer to Sec D/A Conversion Analog Input Signal Connection OME-A-822PGL/PGH Hardware Manual OME-A-822PGL/PGH Hardware Manual Signal Shielding Use a single connection to frame ground not A.GND or D.GNDUsing OME-DB-8225 CJC Output CN1 Digital Input Pin Assignment CN1/CN2/CN3 Pin AssignmentCN2 Digital Output Pin Assignment SINGLE-ENDED Signal Mode Differential Signals Daughter Board OME-DB-8225OME-DB-37 OME-DB-16PCalibration Description of Variable ResistorsD/A Calibration A/D Calibration Diagnostic Utility IntroductionOME-A-822PGL/PGH Hardware Manual Running The Diagnostic Utility Setup Base address selection screenDMA 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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