Measurement-computing PC104-DAS16JR/12 Uživatelský manuál

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Strany 1 - User’s Manual

PC104-DAS16Jr/12& PC104-DAS16Jr/16User’s ManualRevision 4August, 2001

Strany 2 - HM PC104-DAS16Jr_##.lwp

If compatibility with the CIO-DAS16 series connector is desired, you can convert to acompatible 37D connector using the C40-37F-# or C40-37M-# cables.

Strany 3 - Table of Contents

The BP40-37 Adapter connector accepts female 37-pin, D-type connectors, such asthose on the C37FF-2, 2 foot cable with connectors (Figure 2-3). If fr

Strany 4 - This page is blank

2.3 SINGLE-ENDEDA single-ended input is two wires connected to the board, a channel high (CH# HIGH)and a Low Level Ground (LLGND). The LLGND signal m

Strany 5 - 1 INSTALLATION

A floating differential hookup is handy when the signal source is floating with respectto ground, such as a battery, 4-20 mA transmitter or and the le

Strany 6 - 1.3 BASE ADDRESS

2.5 DIFFERENTIAL INPUTA differential signal has three wires from the signal source. The signals are Signal Figure 2-6. Differential ConnectionsHigh (

Strany 7 - 1.4 DMA LEVEL SELECT

3 REGISTER ARCHITECTURE3.1 CONTROL & DATA REGISTERSThe PC104-DAS16Jr/xx is controlled and monitored by writing to and reading from16 consecutive 8

Strany 8 - 1.7 INSTALLING THE BOARD

Table 3-2. Register SummaryPacer Clock Control (8254)None. No read back on 8254.BASE + 15CTR 2 Data - A/D PacerCTR 2 Data- A/D Pacer ClockBASE + 14CTR

Strany 9 - 2 SIGNAL CONNECTIONS

WRITEWriting any data to the register causes an immediate A/D conversion.3.2.2 16-BIT BOARDSA/D15LSBA/D14A/D13A/D12A/D11A/D10A/D9A/D801234567A read/wr

Strany 10 - 30 CH7 HI

WRITEThe channel scan limits desired are written as one byte. The high channel numberscan limit is in the most significant 4 bits. The low channel s

Strany 11 - 2.2 ANALOG INPUTS

3.5 STATUS REGISTERBASE ADDRESS + 8CH1CH2CH4CH8INTMUXU/BEOC01234567A read mostly, one-function-write register.READEOC = 1, the A/D converter is busy.

Strany 12 - 2.4 FLOATING DIFFERENTIAL

MEGA-FIFO, the CIO prefix to data acquisition board model numbers, the PCM prefix to dataacquisition board model numbers, PCM-DAS08, PCM-D24C3, PCM-DA

Strany 13

3.6 DMA, INTERRUPT & TRIGGER CONTROLBASE ADDRESS + 9TS0TS1DMADon’tCareIR1IR2IR4INTE01234567A read and write register.READINTE = 1, Interrupts are

Strany 14 - 2.5 DIFFERENTIAL INPUT

3.7 PACER CLOCK CONTROL REGISTERBASE ADDRESS + 10TRIG0CTR0XXXXXX01234567WRITE onlyCTR0 = 1. When CTR0 = 1, an on-board 100 kHz clock signal is ANDed

Strany 15 - 3 REGISTER ARCHITECTURE

3.8 ANALOG INPUT RANGE REGISTERBASE ADDRESS + 11G0G1Uni/BipRangeXXXX01234567Table 3-4. Input Range Codes PC104-DAS16Jr/1270 to 1.25V111060 to 2.5V0110

Strany 16 - 3.2.1 12-BIT BOARDS

8254 COUNTER 1 DATABASE ADDRESS + 13 30Dh, 781 decimalD1D2D3D4D5D6D7D8012345678254 COUNTER 2 DATABASE ADDRESS + 14 30Eh, 782 decimalD1D2D3D4D5D6D7D8

Strany 17 - 3.2.2 16-BIT BOARDS

Therefore the maximum sampling rate of the PC104-DAS16Jr/xx is dependent on thecomputer.3.11 DIGITAL INPUT & OUTPUTThere are four bits of output o

Strany 18

4 SPECIFICATIONS Power consumption+5VDC quiescentPC104-DAS16Jr/12 140 mA typical, 230 mA maxPC104-DAS16Jr/16 145 mA typical, 205 mA max+ 5VDC Ope

Strany 19 - 3.5 STATUS REGISTER

A/D conversion timePC104-DAS16Jr/12 3.3 µsPC104-DAS16Jr/16 10 µsThroughputPC104-DAS16Jr/12 150 kHzPC104-DAS16Jr/16 100 kHzAccuracyPC104-DAS16Jr/12 0.0

Strany 20

Counter sectionCounter type 82C54Configuration 3 down-counters, 16 bits eachCounter 0 - Independent user counterSource: Programmable (external or 100

Strany 21

For your notes.24

Strany 22

For your notes.25

Strany 23 - 3.10 ANALOG INPUTS

Table of Contents214 SPECIFICATIONS ...203.11 DIGITAL INPUT & OUTPUT ...

Strany 24

For your notes.26

Strany 25 - 4 SPECIFICATIONS

EC Declaration of ConformityWe, Measurement Computing Corporation., declare under sole responsibility that theproduct:DescriptionPart NumberAnalog inp

Strany 26 - Digital I/O section

Measurement Computing Corporation16 Commerce Boulevard,Middleboro, Massachusetts 02346(508) 946-5100Fax: (508) 946-9500E-mail: info@measurementcomputi

Strany 27 - Environmental

This page is blank.

Strany 28 - For your notes

1 INSTALLATION1.1 SOFTWAREBefore you open your computer and install the board, install and run InstaCal™, theinstallation, calibration and test utilit

Strany 29

Figure 1-2. PC104-DAS16Jr/16 Switch and Jumper Locations1.3 BASE ADDRESSThe base address switches are set at the factoryto address 300h (768 decimal)

Strany 30

1.4 DMA LEVEL SELECTIf using an XT PC there are only two DMA levels available and level 3 is probablyused by the hard disk controller. Set the DMA le

Strany 31 - EC Declaration of Conformity

Older software may require the 1 MHz setting for this jumper. Use the 10MHz settingfor any new software development to get better resolution setting

Strany 32

2 SIGNAL CONNECTIONS2.1 CONNECTOR DIAGRAMThe PC104-DAS16Jr/xx analog connector is a 40-pin in-line header connector (Figure2-1). This connector accep

Příbuzné modely PC104-DAS16JR/16

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