Omega Engineering OME-A8111 manual D/A Calibration Steps, A/D Calibration Steps, DI/O Testing

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3.2 D/A Calibration Steps

1.Run A8111CAL.EXE

2.Connect D/A channel0,, pin 30 of CN1 to DVM

3.Adjust VR1 until DVM=5.0000V

4.Press “Enter" key

5.Adjust VR2 until DVM=0.0000V

3.3 A/D Calibration Steps

1.Press “Enter" key

2.Connot A/D Channel 0 to analog ground, CN1-Pin1 to CN1-Pin20.

3.Input stable DC 4.9988V to A/d channel 1, pin2 of CN1.

4.Connect DVM to TP1(-) & (+).

5.Adjust VR5 until DVM=0.0000V.

6.Press <Enter> Key.

7.Adjust VR4 until A/D data shows 4094 or 4095.

8.Press <Enter> Key

9.Adjust VR3 until A/D data shows 2047 or 2048.

10.Repeat step_3 to step_11 until:

A/D channel 0 input 4.9988VÎA/D reading 4094 or 4095. A/D channel 0 input 0 V ÎA/D reading 2047 or 2048.

11.Press <Enter> Key.

3.4DI/O Testing

12.Use 20-pin flat cable (OME-CA-2010, OME-CA-2020 Option) to link CN2 to CN3.

13.Press <Enter> Key.

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003)

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Contents User’sGuide Canada MexicoBenelux Czech RepublicOME-A-8111 Table of Contents Calibration Features General DescriptionSpecifications Power ConsumptionAnalog Inputs 3 A/D ConverterInterrupt Channel DA ConverterDigital I/O Applications Programmable Timer/CounterProduct Check List Hardware Configuration Board LayoutI/O Base Address Setting Default base address isJumper Setting 1 JP1 D/A Internal Reference Voltage SelectionI/O Register Address Address Read Write8254 Counter 2 A/D Input Buffer Register3 D/A Output Latch Register 4 D/I Input Buffer RegisterClear Interrupt Request 6 A/D Gain Control Register7 A/D Multiplex Control Register 8 A/D Mode Control Register SI2 SI1 SI09 A/D Software Trigger Control Register 10 D/O Output Latch Register Digital I/O CN38254 Timer/Counter CounterA/D Conversion SecIf switching from one channel to the next sec Pacer Trigger Mode1 A/D conversion flow 2 A/D Conversion Trigger ModesUsing software trigger and polling transfer 3 A/D Transfer ModesD/A Conversion Analog Input Signal Connection Signal ShieldingPin Assignment CN1 Analog input/Analog output/Connect Pin AssignmentCN2 Analog input/Analog output/Connect Pin Assignment CN3 Analog input/Analog output/Connect Pin AssignmentDaughter Board OME-CA-4002OME-DB-16P OME-DB-16RCalibration Calibration VR DescriptionA/D Calibration Steps DI/O TestingD/A Calibration Steps WARRANTY/DISCLAIMER Temperature