Omega Engineering OME-A8111 manual Analog Input Signal Connection, Signal Shielding

Page 27

2.9Analog Input Signal Connection

FIG 1: Connecting analog input configuration

OME-A-8111

A/D CH0

A/D CHn

Es

AGND

Signal Shielding

zSignal shielding connections are shown in Fig1.

zUse single-point connection to frame ground (not AGND or DGND)

Vin

OME-A-8111

AGND

DGND

Frame Ground

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

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Image 27

Contents User’sGuide Czech Republic CanadaMexico BeneluxOME-A-8111 Table of Contents Calibration General Description Features3 A/D Converter SpecificationsPower Consumption Analog InputsDA Converter Digital I/OInterrupt Channel Programmable Timer/Counter Product Check ListApplications Board Layout Hardware ConfigurationDefault base address is I/O Base Address Setting1 JP1 D/A Internal Reference Voltage Selection Jumper SettingAddress Read Write I/O Register Address2 A/D Input Buffer Register 8254 Counter4 D/I Input Buffer Register 3 D/A Output Latch Register6 A/D Gain Control Register Clear Interrupt Request7 A/D Multiplex Control Register SI2 SI1 SI0 8 A/D Mode Control Register9 A/D Software Trigger Control Register 10 D/O Output Latch Register CN3 Digital I/OCounter 8254 Timer/CounterSec A/D Conversion2 A/D Conversion Trigger Modes If switching from one channel to the next secPacer Trigger Mode 1 A/D conversion flow3 A/D Transfer Modes Using software trigger and polling transferD/A Conversion Signal Shielding Analog Input Signal ConnectionCN1 Analog input/Analog output/Connect Pin Assignment Pin AssignmentCN3 Analog input/Analog output/Connect Pin Assignment CN2 Analog input/Analog output/Connect Pin AssignmentOME-DB-16R Daughter BoardOME-CA-4002 OME-DB-16PCalibration VR Description CalibrationDI/O Testing D/A Calibration StepsA/D Calibration Steps WARRANTY/DISCLAIMER Temperature