CIO-DAS08/JR & CIO-DAS08/JR-AO
Contents
1. 5 4 3 2 1 0 EOC X X X X ChAdd2 ChAdd1 ChAdd0 EOC 1 the A D is busy converting and data should not be read EOC 0 the A D is not busy and data may be read ChAdd 2 to ChAdd 0 is the current analog input multiplexer channel The current channel is a binary coded number between 0 and 7 WRITE CONTROL 7 6 5 4 3 2 1 0 X X X X X ChAdd2 ChAdd1 ChAddO ChAdd 2 to ChAdd 0 Set the current channel address by writing a binary coded number between 0 and 7 to these three bits 6 4 DIGITAL I O CONTROL REGISTER BASE ADDRESS 3 This address contains two registers one for output and one for input The output register is latched and holds the last value written to it The input register is not latched Each time the register is read the current state of the inputs is passed through this port into the computer WRITE Set digital output port all bits READ Read digital input port all bits and update both D A channels simultaneously with the last values written to D A output registers 7 6 5 4 3 2 1 0 D7 D6 D5 D4 D3 D2 D1 DO 6 5 D A CONTROL REGISTERS CIO DAS08 JR AO ONLY Each D A is controlled by a pair of 8 bit write only registers These registers contain the high nibble and the low byte of the D A 12 bit control word The value written2. 6 1 REGISTER LAYOUT aac uc eae a ws caret awe dew aie RA aw gadonge a aoe 6 2 A D REGISTERS A seee ee trae ence ee tied a cee ta ed EEE 6 3 STATUS AND CONTROL REGISTER vrun eriak ke cee eee 6 4 DIGITAL I O CONTROL REGISTER 2 2 enn enn ene 6 5 D A CONTROL REGISTERS CIO DASOS JR AO ONLY 0 0 0 e eee eee eee 7 SPECIFICATIONS 230005 A RE EAE a ES This page is blank 1 INTRODUCTION The CIO DAS08 JR combines analog inputs with digital input and output capability The CIO DAS08 JR AO adds analog output capability Throughout this manual we will refer to the CIO DAS08 JR except where the analog outputs are being discussed In all other respects the boards are identical The CIO DASOS JR can be upgraded to a CIO DAS08 JR AO by purchasing and installing the CIO DUAL DAC chip set See the Upgrading the CIO DAS08 JR section 1 1 ANALOG INPUTS AND OUTPUTS The CIO DASOS JR has eight single ended analog inputs and can supply two analog outputs Twelve bit resolution at a fixed 5V range is provided for both inputs and outputs 1 2 DIGITAL INPUTS AND OUTPUTS There are eight inputs and eight outputs for sensing and controlling digital devices They are port addressable and are dedicated to either input or output The digital outputs and inputs are TTL level 2 SOFTWARE INSTALLATION The board has a set of address switches to set before installing the board in your computer The simplest way to configure your board is to
3. For your notes 10 EC Declaration of Conformity We Measurement Computing Corp declare under sole responsibility that the product CIO DAS08 JR Analog Input amp Digital I O Board CIO DAS08 JR AO Analog amp Digital I O Board Part Number Description to which this declaration relates meets the essential requirements is in conformity with and CE marking has been applied according to the relevant EC Directives listed below using the relevant section of the following EC standards and other normative documents EU EMC Directive 89 336 EEC Essential requirements relating to electromagnetic compatibility EU 55022 Class B Limits and methods of measurements of radio interference characteristics of information technology equipment EN 50082 1 EC generic immunity requirements IEC 801 2 Electrostatic discharge requirements for industrial process measurement and control equipment IEC 801 3 Radiated electromagnetic field requirements for industrial process measurements and control equipment IEC 801 4 Electrically fast transients for industrial process measurement and control equipment Carl Haapaoja Director of Quality Assurance Measurement Computing Corporation 16 Commerce Boulevard Middleboro Massachusetts 02346 508 946 5100 Fax 508 946 9500 E mail info Omeasurementcomputing com WWW measurementcomputing com
4. including any implied warranty of merchantability or fitness for a particular application The remedies provided herein are the buyer s sole and exclusive remedies Neither Measurement Computing Corp nor its employees shall be liable for any direct or indirect special incidental or consequential damage arising from the use of its products even if Measurement Computing Corp has been notified in advance of the possibility of such damages MEGA FIFO the CIO prefix to data acquisition board model numbers the PCM prefix to data acquisition board model numbers PCM DAS08 PCM D24C3 PCM DAC02 PCM COM422 PCM COM485 PCM DMM PCM DAS16D 12 PCM DAS16S 12 PCM DAS16D 16 PCM DAS16S 16 PCI DAS6402 16 Universal Library InstaCal Harsh Environment Warranty and Measurement Computing Corp are registered trademarks of Measurement Computing Corp IBM PC and PC AT are trademarks of International Business Machines Corp Windows is a trademark of Microsoft Corp All other trademarks are the property of their respective owners Information furnished by Measurement Computing Corp is believed to be accurate and reliable However no responsibility is assumed by Measurement Computing Corp neither for its use nor for any infringements of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or copyrights of Measurement Computing Corp All rights reserved No part of this publ
5. 00F 8237 DMA 1 2C0 2CF EGA 020 021 8259 PIC 1 2D0 2DF EGA 040 043 8253 TIMER 2E0 2E7 GPIB AT 060 063 8255 PPI XT 2E8 2EF SERIAL PORT 060 064 8742 CONTROLLER AT 2F8 2FF SERIAL PORT 070 071 CMOS RAM NMI MASK 300 30F PROTOTYPE CARD AD 080 08F_ DMA PAGE REGISTERS 310 31F PROTOTTYPE CARD 0A0 0A1 8259 PIC 2 AT 320 32F HARD DISK XT 0A0 0AF NMI MASK XT 378 37F PARALLEL PRINTER OCO ODF 8237 2 AT 380 38F SDLC OFO OFF 80287 NUMERIC CO P 3A0 3AF SDLC AT 1FO 1FF HARD DISK AT 3B0 3BB MDA 200 20F GAME CONTROL 3BC 3BF PARALLEL PRINTER 210 21F EXPANSION UNIT XT 3C0 3CF EGA 238 23B BUS MOUSE 3D0 3DF CGA 23C 23F ALT BUS MOUSE 3E8 3EF SERIAL PORT 270 27F PARALLEL PRINTER 3F0 3F7 FLOPPY DISK 2B0 2BF EGA 3F8 3FF SERIAL PORT 3 2 INSTALLING THE CIO DASOS JR IN THE COMPUTER 1 Turn the power off 2 Remove the cover of your computer Please be careful not to dislodge any of the cables installed on the boards in your computer as you slide the cover off 3 Locate an empty expansion slot in your computer 4 Push the board firmly down into the expansion bus connector If it is not seated fully it may fail to work and could short circuit the PC bus power onto a PC bus signal This could damage the motherboard in your PC as well as the CIO DASO8 JR 4 CALIBRATION AND TEST The CIO DASOS JR is supplied with software for calibration and test in the In
6. to these two registers controls the output of the D A chip To update the D A outputs with the values in the D A output registers read the register at BASE 3 The D A output range can be calculated as 4096 10V 5V for between O and 4095 inclusive The 4096 is a proportion of the Full Scale Range which is 5V D A 0 CONTROL REGISTERS BASE ADDRESS 4 DAC 0 LOW BYTE 7 6 5 4 3 2 1 0 DA7 DA6 DAS DA4 DA3 DA2 DAI DAO LSB BASE ADDRESS 5 DAC 0 HIGH BYTE 7 6 5 4 3 2 1 0 X X X X DA11 DA10 DA9 DAS MSB D A 1 CONTROL REGISTERS BASE ADDRESS 6 DAC 1 LOW BYTE 7 6 5 4 3 2 1 0 DA7 DA6 DAS DA4 DA3 DA2 DAI DAO LSB BASE ADDRESS 7 DAC 1 HIGH BYTE 7 6 5 4 3 2 1 0 X X X X DA11 DA10 DA9 DAS MSB 7 UPGRADING THE CIO DAS08 JR To add analog output capability to a CIO DASOS IR order and install the CIO DUAL DAC upgrade kit Insert the AD7237 received in the CIO DUAL DAC kit into the socket labeled U13 Align the notch or dimple indicating pin 1 on the chip with the notch in the white silkscreen outline printed on the board at the U13 position Power consumption 5V 12V CIO DAS08 JR CIO DAS08 JR AO 12V CIO DAS08 JR CIO DAS08 JR AO Analog input section A D converter type Resolution Number of channels Input ranges A D pacing Data transfer A D conversion time Throughput Gain
7. CIO DAS08 JR amp CIO DAS08 JR AO Analog I O and Digital I O Board User s Manual NM MEASUREMENT COMPUTING Revision 4 April 2001 LIFETIME WARRANTY Every hardware product manufactured by Measurement Computing Corp is warranted against defects in materials or workmanship for the life of the product to the original purchaser Any products found to be defective will be repaired or replaced promptly LIFETIME HARSH ENVIRONMENT WARRANTY Any Measurement Computing Corp product which is damaged due to misuse may be replaced for only 50 of the current price I O boards face some harsh environments some harsher than the boards are designed to withstand When that happens just return the board with an order for its replacement at only 50 of the list price Measurement Computing Corp does not need to profit from your misfortune By the way we will honor this warranty for any other manufacture s board that we have a replacement for 30 DAY MONEY BACK GUARANTEE Any Measurement Computing Corp product may be returned within 30 days of purchase for a full refund of the price paid for the product being returned If you are not satisfied or chose the wrong product by mistake you do not have to keep it Please call for a RMA number first No credits or returns accepted without a copy of the original invoice Some software products are subject to a repackaging fee These warranties are in lieu of all other warranties expressed or implied
8. ch may constitute a byte of data or eight individual bit set read functions Table 6 2 Board Registers ADDRESS READ FUNCTION WRITE FUNCTION BASE A D Bits 8 11 LSB None BASE 1 A D Bits 0 MSB 7 Start 12 bit A D conversion BASE 2 A D status amp MUX Address Set A D channel BASE 3 Digital input 8 bits Digital output 8 bits BASE 4 D A 0 LSB AO only BASE 5 D A 0 MSB AO only BASE 6 D A 1 LSB AO only BASE 7 D A 1 MSB AO only 6 2 A D REGISTERS BASE ADDRESS 7 6 5 4 3 2 1 0 A D8 A D9 A D10 A D11 X X X X LSB A read only register On a read it supplies the least significant four digits of the analog input data These four bits of analog input data must be combined with the eight bits of analog input data in BASE 1 to form a complete 12 bit number The data is in the format 0 minus FS full scale 4095 FS BASE ADDRESS 1 7 6 5 4 3 2 1 0 A DO A D1 A D2 A D3 A D4 A D5 A D6 A D7 MSB READ The most significant A D byte is read WRITE Any write to this register causes an immediate A D conversion A note of caution over running the A D converter 6 3 STATUS AND CONTROL REGISTER BASE ADDRESS 2 This register address is two registers one for reading and one for writing READ STATUS Place several NO OP instructions between consecutive 12 bit A D conversions to avoid 7 6
9. drift A D specs Zero drift A D specs Absolute maximum input voltage 8 SPECIFICATIONS 200 mA typical 240A max 17 mA typical 22mA max 27 mA typical 35mA max 28 mA typical 36mA max 28 mA typical 36mA max AD574 12 bits 8 single ended 5V Software polled Software polled 25 us System dependant 50 ppm C 10 ppm C 30V continuous Analog Output CIO DAS08 JR AO Only D A converter type Resolution Number of channels Output Ranges D A pacing Data transfer Offset error Gain error Differential nonlinearity Relative accuracy Monotonicity D A Gain drift Settling time 10V step to 4LSB Current Drive Output coupling Output impedance Miscellaneous AD7237 12 bits 2 5V Software paced Programmed I O 2 LSB typical 5LSB max 2 LSB typical 5LSB max 0 9 LSB max 1 LSB max Guaranteed monotonic to 12 bits over temperature 25 ppm C max 10 us max 5 mA DC 0 5 Ohms max Update DACs simultaneously Digital Input Output Digital Type Output Input Configuration Number of channels Output High Output Low Input High Input Low Environmental Operating temperature range Storage temperature range Humidity T4LS273 T4LS244 8 fixed input 8 fixed output 8 2 7 volts min O 0 4 mA 0 5 volts max 8 mA 2 0 volts min 7 volts absolute maximum 0 8 volts max 0 5 volts absolute minimum 0 to 50 C 20 to 70 C 0 to 90 non condensing
10. ication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical by photocopying recording or otherwise without the prior written permission of Measurement Computing Corp Notice Measurement Computing Corp does not authorize any Measurement Computing Corp product for use in life support systems and or devices without the written approval of the President of Measurement Computing Corp Life support devices systems are devices or systems which a are intended for surgical implantation into the body or b support or sustain life and whose failure to perform can be reasonably expected to result in injury Measurement Computing Corp products are not designed with the components required and are not subject to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of people C Copyright 2001 Measurement Computing Corp HM CIO DAS08_JR AO lwp TABLE OF CONTENTS TINTRODUCTION 20 IA A 1 1 ANALOG INPUTS AND OUTPUTS coccion er a bees 1 2 DIGITAL INPUTS AND OUTPUTS 0 ec nee en eee 2 SOFTWARE INSTALLATION ooo 3 HARDWARE INSTALLATION oyu eves os sees bee eee eA eee ds 3 1 BASE ADDRESS coi e fee eae See UE bee oer Bee ia 3 2 INSTALLING THE CIO DASOS JR IN THE COMPUTER 0 000 000 0 eee 4 CALIBRATION AND TEST 0 ccc eaer 5 SIGNAL CONNECTIONS 2000 a hod ede toh Aes Ae aA ee 6 REGISTER ARCHITECTURE 6666458605 654 As
11. staCal program under the CALIBRATE option The CIO DASOS JR has a fixed input range and does not have any input amplification or gain offset compensation electronics When using the optional Universal Library all compensation for gain offset errors is done in software after the signal is acquired The gain and offset calibration factors are stored in the CB CFG file and applied to the analog samples after they are acquired The calibration factors can be set as often as you like Simply run the CALIBRATE option from the InstaCal menu Analog Out 1 Analog Out 0 Analog GND Digital Out 7 Digital Out 6 Digital Out 5 Digital Out 4 Digital Out 3 Digital Out 2 Digital Out 1 Digital Out O Analog Input 7 Analog Input 6 Analog Input 5 Analog Input 4 Analog Input 3 Analog Input 2 Analog Input 1 Analog Input 0 10 2N 04000010 ae we 5 SIGNAL CONNECTIONS Digital GND Digital GND 12V from PC Bus 12V from PC Bus 5V from PC Bus 5V from PC Bus Digital Input 7 Digital Input 6 Digital Input 5 Digital Input 4 Digital Input 3 Digital Input 2 Digital Input 1 Digital Input 0 Analog GND Analog GND Analog GND Analog GND 37 PIN CONNECTOR NOTE The Analog Out pins apply only to the CIO DAS08 JR AO The CIO DAS08 JR analog connector is a 37 pin D type connector accessible from the rear of the PC through the expansion backplate The connector accepts female 37 pin D type connectors such as the C37FF 2 a 2 foo
12. t cable with connectors For quick and easy access to the board use a CIO MINI37 screw terminal board 6 REGISTER ARCHITECTURE All of the programmable functions of the CIO DAS08 JR are accessible through the control and data registers which are explained here We recommend programming with Universal Library rather than direct register programming 6 1 REGISTER LAYOUT The CIO DASOS JR is controlled and monitored by writing to and reading from four consecutive 8 bit I O addresses eight consecutive addresses on the CIO DAS08 JR AO The first address or BASE ADDRESS is determined by setting a bank of switches on the board Most often register manipulation is best left to ASSEMBLY language programs as most possible functions are implemented in Universal Library routines Note that an X is an unspecified bit There is no function associated with that bit position All X bits should be masked out of reads To write to or read from a register in decimal or HEX the following weights apply Table 6 1 Bit Weights BIT POSITION DECIMAL VALUE HEX VALUE 0 1 1 1 2 2 2 4 4 3 8 8 4 16 10 5 32 20 6 64 40 7 128 80 To write control words or data to a register the individual bits must be set to 0 or 1 then combined to form a byte Data read from registers must be analyzed to determine which bits are on or off The registers and their function are listed on Table 6 2 Each register has eight bits whi
13. use the InstaCal program provided as part of your software package InstaCal will show you how to configure the switches to match your application requirements and will create a configuration file that your application software and the Universal Library will refer to so the software you use will automatically know the exact configuration of the board Please refer to the Software Installation Manual regarding the installation and operation of InstaCal The following information will allow you to do the hardware configuration of the board if you do not have immediate access to InstaCal and or your computer 3 HARDWARE INSTALLATION 3 1 BASE ADDRESS The base address of the CIO DAS08 JR is set by switching a bank of 968 7 8 5 4 3 SW HEX DIP switches on the board This bank of switches is labeled fe a ADDRESS and numbered 9 to 3 Figure 3 1 ae Ignore the word ON and the numbers printed on the switch IIittttt A a0 The address logic works by adding up the weights of individual A3 08 switches to make up a base address A switch is active when down Shown to the right switches 9 and 8 are down all others are up BASE ADDRESS SWITCH Address 300H shown here Weights 200h and 100h are active equaling 300h base address Refer to Table 3 1 for PC I O addresses Figure 3 1 Base Address Switches Table 3 1 PC 1 O Addresses HEX FUNCTION HEX FUNCTION RANGE RANGE 000
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