Omega OME-A822PG User Manual

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1.4 Applications z Signal analysis z FFT & frequency analysis z Transient analysis z Production testing z Process control z Vibration anal

2. Hardware Configuration 2.1 Board Layout OME-A-822PGL/PGH VR1/2/3/4/5/6/7 ISA BUS ISA BUS CN2 CN1 JP5 SW1 CN

2.2 I/O Base Address Setting The OME-A-822PGL/PGH occupies 16 consecutive locations in I/O address space. The base address is set by DIP switch SW

The PC I/O port map is given below. ADDRESS Device ADDRESS DEVICE 000-1FF PC reserved 320-32F XT Hard Disk 200-20F Game/control 378-37F Parall

2.3.2 JP2 : D/A Int/Ext Ref Voltage Selection If JP2 is set to internal reference, then JP1 should be set to -5V or -10V internal

2.3.4 JP4 : A/D Trigger Source Selection EXTTRG INTTRG Internal Trigger (default) EXTTRG INTTRGExternal Trigger The OME-A-822PGL/PGH supp

2.3.6 JP6 : User Timer/Counter Clock Input Selection Internal 2M Clock (default) INTCLK EXTCLK External Clock INTCLKEXTCLK The OME-A-822PGL/

2.3.7 JP7 : DMA DACK Selection, JP8 : DMA DRQ Selection JP8 DACK2 61 5 JP7 DRQ 2 61 5 NO DMA JP8 JP7 1 5 2 6DRQ 1 52 6D

2.4 I/O Register Address The OME-A-822PGL/PGH occupies 16 consecutive PC I/O addresses. The following table lists the registers and their locations.

2.4.1 8254 Counter The 8254 Programmable timer/counter has 4 registers from Base+0 through Base+3. For detailed programming information on the 8254

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2.4.3 D/A Output Latch Register (WRITE) Base+4 : Channel 1 D/A Low Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 D7 D

2.4.4 D/I Input Buffer Register (READ) Base+6 : D/I Input Buffer Low Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 D

2.4.6 A/D Gain Control Register (WRITE) Base+9 : A/D Gain Control Register Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 X X X

OME-A-822PGH GAIN CONTROL CODE TABLE BI/UN Settling Time GAIN Input Range GAIN3 GAIN2 GAIN1 GAIN0 BI 23 us 1 +/- 5V 0 0 0 0 BI 28 us 10 +/

2.4.8 A/D Mode Control Register (WRITE) Base+B : A/D Mode Control Register Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 X X X

The software driver provides three data transfer methods, polling, interrupt and DMA. The polling subroutine, A-822_AD_PollingVar() or A-822_AD_Pollin

2.4.10 D/O Output Latch Register (WRITE) Base+D : D/O Output Latch Low Byte Data Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

2.5 Digital I/O The OME-A-822PGL/PGH provides 16 digital input channels and 16 digital output channels. All levels are TTL compatible. The connectio

2.6 8254 Timer/Counter The 8254 Programmable timer/counter has 4 registers from Base+0 through Base+3. For detailed programming information about the

2.7 A/D Conversion This section explains how to perform A/D conversions. The A/D conversion can be triggered 3 ways, by software trigger, by pacer t

OME-A-822PGH/PGL Enhanced Multi-Function Card Hardware Manual OME-A-822PGL/PGH Hardware Manual ---- 1

2.7.1 A/D conversion flow Before using the A/D converter, the user should configure the following hardware settings: 1. select single-ended or diff

2.7.2 A/D Conversion Trigger Modes OME-A-822PGL/PGH supports three trigger modes. 1 : Software Trigger : Write any value to the A/D software trig

2.7.4 Using software trigger and polling transfer If the user needs to control the A/D converter without the A-822 software driver, software trigg

2.8 D/A Conversion The OME-A-822PGL/PGH provides two 12 bit D/A converters. Before using the D/A converter function, you should address the followin

2.9 Analog Input Signal Connection The OME-A-822 can measure signals in the single-ended or differential mode. In the differential mode each chan

Figure 1-A Figure 1-B If the source is grounded, a second ground connection on the card could result in a ground loop. OME-A-822PGL/PGH

Figure 2 Figure 3 OME-A-822PGL/PGH Hardware Manual ---- 34

Figure 4 R is a shunt resistor. A 250Ω shunt resistor converts 4-20mA to 1-5Vdc. Signal Shielding z The signal shielding is the s

2.10 Using OME-DB-8225 CJC Output The OME-DB-8225 daughter board contains built-in cold junction compensation (CJC) circuitry that provides a 10m

3. Connector The OME-A-822PGL/PGH provides three connectors. Connector 1, CN1 contains the 16 digital inputs. Connector 2, CN2, contains the 16 di

Tables of Contents 1. Introduction_________________________________________________________ 4 1.1 General Description ______________________

SINGLE-ENDED SIGNAL MODE CN3 : Analog input, Analog output and Timer/Counter Pin Assignment. Pin Number Description Pin Number Description 1 An

DIFFERENTIAL SIGNALS CN3 : Analog input, Analog output and Timer/Counter Pin Assignment. Pin Number Description Pin Number Description 1 Analog

3.2 Daughter Board The OME-A-822PGL/PGH can be connected with many different daughter boards. The daughter boards are described below: 3.2.1 OME-D

4. Calibration The OME-A-822PGL/PGH is factory calibrated for optimum performance. Recalibration is suggested for high vibration environments. The

4.2 D/A Calibration 1. Run the A82XDIAG.EXE program 2. Press the “Right Arrow Key” to select “CALIBRATION”. 3. Press the “Down Arrow Key” to selec

4.3 A/D Calibration 1. Run the A82XDIAG.EXE 2. Press “Right Arrow Key” to select “CALIBRATION” 3. Press the “Down Arrow Key” to select “C. A/D RE

5. Diagnostic Utility 5.1 Introduction The A82XDIAG.EXE diagnostic utility is a menu-driven program which allows complete testing of the OME-A-8

Although you can continue by pressing any key, it is recommended that the jumper situation be corrected since many operations in the A82XDIA utilit

5.2 Running The Diagnostic Utility The initial screen of A82XDIAG is shown below. There are five main menus in the initial screen. They are Setup

5.2.1 Setup The Setup menu allows the user to setup the board configuration. There are six functions in this muen, Card type, Base Addresss, DMA no,

2.4.9 A/D Software Trigger Control Register _________________________________________ 23 2.4.10 D/O Output Latch Register ________________________

DMA no and IRQ no selection screen OME-A-822PGL/PGH Hardware Manual ---- 48

5.2.2 CALIBRATION The CALIBRATION menu contains ten submenu items: they are, D/A Reference voltage, D/A Channel 0 gain, D/A channel 1 gain, A/D Gain

5.2.3 FUNCTION TEST The FUNCTION TEST main menu contains seven submenus: they are D/A TEST, Digital I/O, A/D MULTIPLEX, A/D use IRQ, A/D use DMA, A/

<D/A TEST > Test Screen z Assume D/A output range 0 to 5V z Send D/A output to both channels simultaneously z Press <p> pause screen

<Digital I/O> Test Screen z Connect CN1 to CN2 z 16 bit up counter is sent to 16 channel DO z 16 channel DO is connected to 16 channel DI

<A/D Multiplexer> Test Screen z Assume 16 channel single-ended, bipolar, gain=1, analog input signals z Input range from -5V to +5V z Co

<A/D use IRQ> Test Screen z Assume single-ended, bipolar, gain=1 z Use <PgUp> key to select the next channel z Use <PgDn> key

<A/D use DMA> Test Screen z Assume single-ended, bipolar, gain=1 z Use <PgUp> key to select the next channel z Use <PgDn> key

<DA GAIN> Test Screen z Assume single-ended, bipolar, gain=1, A/D channel 0 connected to D/A channel 0 z Use <Up>/<Down> key to

<Timer 0> Test Screen z Assume JP6 set to internal 2M clock z If the counter0 is functioning normally, the value will increment automatical

1. Introduction 1.1 General Description The OME-A-822PGL/PGH is a high performance, multifunction analog, digital I/O board for PC AT compatible

5.2.4 SPECIAL TEST The SPECIAL TEST menu contains four submenu items: they are D/A Volt Set, DIO Bit Pattern, IRQ Clock Test and DMA Clock Test. The

5.2.5 Help The Help menu will display the software version as shown below. OME-A-822PGL/PGH Hardware Manual ---- 59

WARRANTY/DISCLAIMEROMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for aperiod of 13 months from date of

M4031/0104Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course!Shop online at www.omega.comTEMPERATUREThermocouple

1.3 Specifications 1.3.1 Power Consumption : z +5V @960 mA maximum, OME-A-822PGL/PGH z Operating temperature : -20°C to 60°C 1.3.2 Analog

1.3.4 DA Converter z Channels : 2 independent z type : 12 bit multiplying , Analog device AD-7541 z Linearity : +/- 1/2 bit z Output range : 0 t

1.3.7 Programmable Timer/Counter z Type : 82C54 -8 programmable timer/counter z Counters : Counter1 and counter2 are cascaded as a 32 bit pacer ti