Measurement-computing CIO-DAS800 Manuel d'utilisateur

CIO-DAS800 User's Guide Revision 2 October, 2000

Status & ID / Counter ControlBASE + 7Read Counter 2 / Load Counter 2BASE + 6Read Counter 1 / Load Counter 1BASE + 5Read Counter 0/ Load Counter 0

4.8 SINGLE-ENDED ANALOG INPUTSThe board accepts single-ended inputs only. Each input has two wires connected to the CIO-DAS800; achannel high (CH# HI)

Figure 1-1. Counter/Timer Functional DiagramFigure 1-1 shows the 82C54 functions, I/O pins and how these are connected on the CIO-DAS800.The CIO-DAS80

5 REGISTER MAPTables 4-1 and 4-2 contain the write and read functions of the board’s registers. Table 4-3 defines thefunctions of each bit.Note that t

Table 4-2. Register Map - Read FunctionsID Reg (ID1,0 = 0/0)ID0ID1ID2ID3ID4ID5ID6ID7CS1/0 = 1/1Status Register 2 ITECASCDTENDTIEOCINTEGTENHCENCS1/0=0/

Table 4-3. Bit Definitions* Asterisk indicates that HCEN is required (as a final step) to makethis bit functional. Digital Output bits. WOP4:1Digital

Table 4-4. Coding for Base + 02 Register Functions ID Register Not defined11 Status Register #2 Scan Limits Reg01 Status Register #2 Conversion Contro

6 SPECIFICATIONS Power consumption+5V quiescent 450 mA typical, 600 mA maxAnalog input sectionA/D converter type AD674A, Successive Approximation Res

Counter sectionCounter type 82C54Configuration 3 down-counters , 16 bit resolutionCounter 0 - independent user counterSource: external, user connector

EC Declaration of ConformityWe, Measurement Computing Corp., declare under sole responsibility that the product:DescriptionPart NumberAnalog input boa

(C) Copyright 2000 Measurement Computing Corp.HM CIO-DAS800.lwpiiYour new Measurement Computing product comes with a fantastic extra — Management comm

Measurement Computing Corporation 10 Commerce Way Suite 1008 Norton, Massachusetts 02766 (508) 946-5100 Fax: (508) 946-9500 E-mail: [email protected]

TABLE OF CONTENTS136 SPECIFICATIONS ...95 REGISTER MAP...

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1 INTRODUCTIONThe primary function of the board is to accept up to eight analog voltages and convert them to digitalequivalents for transmission to an

Weights 200h and 100h are active, totalling a 300h base address. Table 2-1 lists PC I/O addresses andtheir uses. Figure 2-1. Base Address SwitchesTab

Table 2-2 lists typical interrupt assignments. Table 2-2. Typical IRQ AssignmentsNote: IRQ8-15 are AT onlyLPTIRQ7UNASSIGNEDIRQ15FLOPPY DISKIRQ6HARD D

3 CONNECTOR DIAGRAMThe CIO-DAS800 analog connector is a 37-pin, D-type connector accessible from the rear of the PCthrough the expansion backplate (Fi

4 OPERATIONAL ASPECTS - CIO-DAS800 VS. CIO-DAS08 4.1 CONVERSION TRIGGERA trigger is the event that begins an acquisition/transfer cycle. There a