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OME-A8111 manual
1
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34
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34 pages, 977.11 Kb
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e-mail: info@omega.com
U
ser
’
s Guide
OME-A8111 ISA-BUS
Multi-Functional Board
Hardware Manual
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Contents
Main
Servicing North America:
USA:
Canada:
For immediate technical or application assistance:
USA and Canada:
OME-A-8111
Table of Contents
Page
1. Introduction
1.1 General Description
1.2 Features
1.3 Specifications
1.3.1 Power Consumption
1.3.2 Analog Inputs
1.3.3 A/D Converter
1.3.4 DA Converter
1.3.5 Digital I/O
1.3.6 Interrupt Channel
1.3.7 Programmable Timer/Counter
1.3.8 Applications
1.4 Product Check List
2. Hardware Configuration
2.1 Board Layout
BB ADS-774
2.2 I/O Base Address Setting
SW1 : BASE ADDRESS
2.3 Jumper Setting
2.3.1 JP1 : D/A Internal Reference Voltage Selection
2.4 I/O Register Address
2.4.1 The 8254 Counter
2.4.2 A/D Input Buffer Register
2.4.3 D/A Output Latch Register
NOTE: Send low 8 bits first, then send high 4 bits.
2.4.4 D/I Input Buffer Register
2.4.5 Clear Interrupt Request
2.4.6 A/D Gain Control Register
NOTE :
OME-A-8111 GAIN CONTROL CODE TABLE
2.4.7 A/D Multiplex Control Register
2.4.8 A/D Mode Control Register
2.4.9 A/D Software Trigger Control Register
2.4.10 D/O Output Latch Register
2.5 Digital I/O
2.6 8254 Timer/Counter
2.7 A/D Conversion
2.7.1 A/D conversion flow
2.7.2 A/D Conversion Trigger Modes
2.7.3 A/D Transfer Modes
2.7.4 Using software trigger and polling transfer
2.8 D/A Conversion
2.9 Analog Input Signal Connection
FIG 1: Connecting analog input configuration
Signal Shielding
Frame Ground
Vin
2.10 Pin Assignment
CN1/CN2/CN3 Pin Assignment
Page
2.11 Daughter Board
2.11.1 OME-CA-4002
2.11.2 OME-DB-16P
2.11.3 OME-DB-16R
2.11.4 OME-DB-37
3. Calibration
3.1 Calibration VR Description
CN1
VR2
VR4
3.2 D/A Calibration Steps
3.3 A/D Calibration Steps
3.4 DI/O Testing
WARRANTY/DISCLAIMER
RETURN REQUESTS/INQUIRIES
M4029/0104
Where Do I Find Everything I Need for Process Measurement and Control? OMEGAOf Course!
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TEMPERATURE
PRESSURE, STRAIN AND FORCE
FLOW/LEVEL
pH/CONDUCTIVITY