Measurement-computing CIO-DAS16/M1/16 Uživatelský manuál

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Strany 1 - User’s Guide

CIO-DAS16/M1/16High Speed Analog Inputs & Digital I/OUser’s GuideRevision 4November, 2000

Strany 2

3.5 DIGITAL I/O CONNECTORA second connector at the rear of the board contains signals from an 82C55. These 24 bits of digital I/O are availablefor o

Strany 3 - Table of Contents

such scheme would be low speed and therefore store data to disk, obviating the need to use DT-Connect to store dataon a memory board.Please see the da

Strany 4 - This page is blank

4 SOFTWARE There are three common methods for generating software for the CIO-DAS16/M1/16. These are: Writing customsoftware using our Universal

Strany 5 - 2 INSTALLATION

5 REGISTER MAP 5.1 DAS16/M1/16 REGISTER MAPTable 5-1. DAS16/M1/16 Register Descriptions8255 Control RegisterNone. No 8255 Read-backBASE+403h8255 Por

Strany 6 - 3 SIGNAL CONNECTIONS

READOn read, the 16-bit ADC value is presented in 'left-justified' format, with the most-significant ADC bit at position#15; the least s

Strany 7 - 3.2 ANALOG INPUTS

WRITEDO0DO1DO2DO3Not UsedNot UsedNot UsedNot Used01324567All of the four bits are latched TTL outputs.The WRITE to this register also clears external

Strany 8 - 3.3.4 FLOATING SIGNALS

INT4:1 - Interrupt selectionTable 5-2. Interrupt Coding151111140111Not Available1011120011111101100101Not Available1001Not Available000171110601105101

Strany 9 - Ground Loop Created Here

5.7 BURST LENGTH, EXTERNAL TRIGGER, CTR0/TRG0BASE ADDRESS +Ah Example, 30Ah, 778 DecimalREAD/WRITETRG0CTR0TRGSELTRGPOLBL0BL1BL2BL301234567BL3:0 - Bu

Strany 10 - 3.6 DT-CONNECT

RCG - Residual Counter Gate. 0 = disabled, 1 = enabled. The Residual Counter Gate gates Counter 0 'on' to allow thesoftware to count the re

Strany 11 - accessory

6.9.4 8254 CONTROL REGISTER BASE + Fh Example, 30Fh, 783 decimalWRITE ONLYD1D2D3D4D5D6D7D801324567The control register is used to set the operating Mo

Strany 12 - 4 SOFTWARE

LIFETIME WARRANTYEvery hardware product manufactured by Measurement Computing Corp. is warranted against defects inmaterials or workmanship for the li

Strany 13 - 5 REGISTER MAP

Table 5-5. 82C55 Registers Configure 82C55 None. No read back on 82C55BASE + 403Port C OutputPort C InputBASE + 402Port B OutputPort B InputBASE + 40

Strany 14

7 SPECIFICATIONS Analog input sectionA/D converter type Datel ADS-30356 SubrangingResolution 16 bitsProgrammable ranges ±5V, ±2.5V, ±1.25V, ±.625V,

Strany 15 - 5.5 STATUS REGISTER

Input High 2.0 volts min, 5.5 volts absolute maxInput Low 0.8 volts max, −0.5 volts absolute minInterrupts Programmable levels 2 to 7, 10 to12, 14, 15

Strany 16

EnvironmentalOperating temperature range 0 to 60°CStorage temperature range −40 to 100°CHumidity 0 to 90% non-condensingPower consumption+5V: Operatin

Strany 17

For your notes.20

Strany 18

EC Declaration of ConformityWe, Measurement Computing Corp., declare under sole responsibility that the product:DescriptionPart NumberHigh speed analo

Strany 19

Measurement Computing Corporation16 Commerce Boulevard,Middleboro, MA 02346(508) 946-5100Fax: (508) 946-9500E-mail: [email protected].

Strany 20 - 6 CALIBRATION AND TEST

Table of Contents177 SPECIFICATIONS ...166 CALIBRATION AND TEST ...

Strany 21 - 7 SPECIFICATIONS

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Strany 22

1 INTRODUCTIONCIO-DAS16/M1/16 sets the standard for high speed, 16-bit data acquisition boards for ISA bus compatible computers.The board provides 8

Strany 23

3 SIGNAL CONNECTIONS There are two connectors on the CIO-DAS16/M1/16. The 37-pin connector which extends through the mounting plateand extends o

Strany 24 - For your notes

3.2 ANALOG INPUTSConnect analog inputs to the board as shown in the following sections. Pay close attention to cabling and groundingof the shield. F

Strany 25 - EC Declaration of Conformity

3.3.3 GROUNDED SIGNAL SOURCEA grounded signal source is defined as having the signal low referenced to chassis ground. If an instrument has onlytwo po

Strany 26

3.3.5 AVOID GROUND LOOPSFigure 3-4 shows the wrong way to connect a shielded cable. It creates a ground loop. Any current flowing betweengrounds can i

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