Measurement-computing CIO-DAS08-AOH Manual de usuario

CIO-DAS08-AOHCIO-DAS08-AOLCIO-DAS08-AOMAnalog Input &Digital I/O BoardRevision 5October, 2000

4 CALIBRATION AND TEST The CIO-DAS08-AOx is supplied with InstaCal software which also performs calibration and board testing.Every board is fully

5 SIGNAL CONNECTION Making correct signal connections is one of the most important aspects of applying a data acquisition board. Failure to prope

NOTE: When using the CIO-DAS08-PGx with the CIO-EXP16 or CIO-EXP32, the optional SIP resistor must beinstalled. The CIO-EXP16 and CIO-EXP32 (and Metr

6 CIO-DAS08-AOx ARCHITECTUREAll of the programmable functions of the CIO-DAS08-AOx are accessible through the control and data registers, which areexp

Table 6-2. Register Functions82C55 ControlNoneBASE + 15PORT C 82C55PORT C 82C55BASE + 14PORT B 82C55PORT B 82C55BASE + 13PORT A 82C55PORT A 82C55BASE

6.3 STATUS AND CONTROL REGISTERBASE ADDRESS + 2 (Read / Write) Read FunctionsMUX0MUX1MUX2IRQIP1IP2IP3EOC01234567READ = STATUSEOC = 1 the A/D is busy c

The register's Write layout is :BASE + 3 (Read / Write) Write FunctionsR0R1R2R3XXXXBIT 0BIT 1BIT 2BIT 3BIT 4BIT 5BIT 6BIT 7The register's Re

1110770 to 1.2581010550 to 2.541100330 to 521000110 to 101R0R1R2R3HEXDECRANGE VGAIN CONTROL CODES UNI-POLAR AOL6.4.3 GAIN/R

6.6 COUNTER CONTROL REGISTERBASE ADDRESS + 7 (Write Only)BCDM0M1M2RL0RL1SC0SC101234567WRITESC1 to SC0 are the counter select bits. They are binary-co

The primary purpose of the counter timer chip is to pace the A/D samples. The input of counter 2 is jumper selectable for acrystal controlled source

HM CIO-DAS08_AOx.lwp Your new Measurement Computing product comes with a fantastic extra — Management committed to your satisfaction! Thank you for

WRITEA write to this register loads the value written into DAC0’s register, but does not update the DAC output.READA read from this register updates b

6.10 82C55 CONTROL & DATA REGISTERSThe 24 bits of digital I/O is composed of one 82C55 parallel I/O chip which contains three data and one control

The 82C55 may be programmed to operate in Input/ Output (mode 0), Strobed Input/ Output (mode 1) or Bi-directional Bus(mode 2).NOTEInformation on prog

7 SPECIFICATIONS Power consumption+5V: 670 mA typical, 840 mA maxAnalog input sectionA/D converter type 574AJResolution 12 bitsNumber of channels 8 d

Analog Output:D/A converter type AD7237 dual DAC Resolution 12 bitsNumber of channels 2Output Ranges ±10V, ±5V, ±2.5V, ±1.67V, 0 to 10V, 0 to 5V, 0 to

Counter sectionCounter type 82C54Configuration 3 down counters, 16 bits eachCounter 0 - independent, user configurableSource: user connector (Counter

8 APPLICATION NOTES 8.1 VOLTAGE DIVIDERSIf you wish to measure a signal which varies over a range greater than the input range of an analog or digital

The CIO-TERMINAL has the circuitry on board to create custom voltage dividers. The CIO-TERMINAL is a 16" by 4"screw terminal board with two

This specification is illustrated graphically here and will be referred to as Cumulative Signal Range (CSR).Most manufactures of A/D boards specify th

8.7 LOW PASS FILTERSA low pass filter is placed on the signal wires between a signal source and an A/D board input. It greatly reduces frequenciesgre

258.7 LOW PASS FILTERS ...248.6 USE OF SINGLE-ENDED INPUTS ...248.5 GROUND

For Your Notes26

EC Declaration of ConformityWe, Measurement Computing Corp., declare under sole responsibility that the product:DescriptionPart NumberCIO-DAS08-AOxto

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

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1 INTRODUCTIONThe CIO-DAS08-AO family of boards, referred to as CIO-DAS08-AOx in this manual, has three members. Where specificaspects of a board are

3 HARDWARE INSTALLATION The CIO-DAS08-AOx has three banks of switches and three jumper blocks which must be set before installing the board in you

3.2 INTERRUPT LEVEL SELECTThe interrupt jumper need only be set if the software you are usingrequires it. If you do set the interrupt jumper, please

3.4 WAIT STATEA wait state may be enabled on the CIO-DAS08-AOx by selecting WAITSTATE ON at the jumper provided on the board. Enabling the wait state

3.6 D/A SIMULTANEOUS UPDATE JUMPERThe dual D/A converter can be updated simultaneously or individually. A jumper controls this feature.When the jumpe