MODEL PAD128 USER MANUAL
Contents
1. 4 1 Chapter 3 Software a ee A a RE ESSE e 5 1 Setup Programi QUE dc a Mac abe d eus awe aede Re reds 5 1 Sample Prograrms ud IA ern AA REQUE de 5 1 Chapter 6 Programming 43 he ele PR eee a 6 1 Port Addresses and Functions 6 1 Analog Inputs gas Dear cu rea Rue Rel Rob ee lr xcu eU ra e m 6 6 Digital DO a sace be nV aeta Sem A Aie eer 6 8 Programming EXample xag Sere An e des Robe POE Br ari Ms ng 6 8 Appendix 8255 Data Sheet A 1 Appendix B LM12H458 Data Sheet B 1 Page v List of Figures Figure 1 1 PAD128 Block Diagram ubicar toa a dete 1 4 List of Tables Table 4 1 Standard Address Assignments for 286 386 486 Computers 4 1 Table 6 1 PAD128 Register Definition Map HEX 6 1 Page vi Chapter 1 Introduction Features Type II PCMCIA Card 12 Bit Analog to Digital Converter Up to Eight Analog Inputs 32 Sample FIFO Buffer Two 8 Bit Digital I O Ports Description Model PAD128 is a Type II PCMCIA card PC Card It performs data acquisition on up to eight analog inputs and provides parallel digital input output capability for up to 16 bits A 24 inch long cable that mates with the PAD128 on2. This port contains DIO15 through DIOS s control and status bits Base Address 22 Unused 8255 Port C Base Address 23 Digital 8255 Control Register The control register at base address 23 1s a write only 8 bit register It is used to set the mode and direction of the ports At Power Up or Reset all I O lines are set as inputs The PPI should be configured during initializing by writing to the control register even if the ports are only going to be used as inputs Bit assignments in the control register are as follows Bit D7 MS indicates an active mode set Normally this will be set to 1 each time you write to this register If MS is 0 the chip will ignore the write Bits D6 D5 and D2 set the mode of operation Manual MPAD128 D1g Page 6 5 PAD128 Manual Page 6 6 Manual MPAD128 D1g Mode 0 is the most frequently used mode of operation wherein a There are two 8 bit ports A and B and two unavailable 4 bit ports C Hi and Lo Any port can be configured as an input an output Outputs are latched d Inputs are not latched Mode 1 is used for strobed input output In this mode Port A and Port B use the lines of Port C to generate and accept control signals associated with data transfer See the 8255 5 PPI specification for control line assignments Mode 2 is used for bi directional 8 bit bus applications See the 8255 5 specification Bit D4 A sets input or output for por
3. Configure bits of the control register as follows D7 D6 D5 D4 D2 DI DO 1 0 0 1 1 00 0 Port C Lo Output Port B Output Mode 0 Port C Hi Input Port A Input Mode 0 Active Mode Set Manual MPAD128 D1g Page 6 9 PAD128 Manual This corresponds to 98 hex If the card base address is 2D0 hex use the C command to write to the control register as follows Base 0x2D0 outportb Base 0x98 To read the inputs at Port A use the C inportb command X inportb Base Read Port A To set outputs high 1 at Port B outportb Base 1 0xff Turn on all Port B bits Each time the card is initialized program the control register at Base 23 for which mode and I O configuration is needed From then on reading and writing to the digital I O is simple Page 6 10 Manual MPAD128 D1g Manual MPAD128 D1g Page 6 11 Appendix A 8255 Data Sheet The following pages are extracted from the 8255 data sheets and are provided for your reference Manual MPAD128 D1g Page A 1 PAD128 Manual Page A 2 Manual MPAD128 D1g Appendix B LM12H458 Data Sheet The following pages are extracted from the LM12H458 Data Sheet and are provided for your reference Reprinted with permission of National Semiconductor Corporation Manual MPAD128 D1g Page B 1 PAD128 Manual Page B 2 Manual MPAD128 D1g Customer Comments If you experience any problems with this manual or just want
4. for purposes of this warranty is defined as any use to which the equipment is exposed other than that use specified or intended as evidenced by purchase or sales representation Other than the above no other warranty expressed or implied shall apply to any and all such equipment furnished or sold by ACCES Page iv Table of Contents ADT AA etse iii Warranty oran UHR ee ele PHP acer iv FOREWORD nia 2 au atu SEES Eau ia ee sad ee iii GUIADOS EA vae epe SELLE iv Limited Warrants iv Return Procedure zn AA v Limitation of Liability aria ee ne V AOVISOMES un sa uh ens AA vi Chapter T Introduction a A ese A ada 1 1 Description aussah scc ow eee dede ace a 1 1 Data ACquisitiony A AR eR ER Rus 1 1 Digital Input OUTPUT s ced 4 488 3 ar a ke di P ea ed 1 1 Special Functions x1 x A hr Nt Eee dU at te i dte 1 2 Utility Softwares epu Suus Rat oad ee AER a Tieren 1 2 Specifications e PEU TT 1 2 Regulatory Compliance ues ad afi dd 1 3 Chapter 2 Installation a I Enim 2 1 CI Installation Asens 1 Kia ea ei Ri quis SRA s 2 1 3 5 Inch Diskette Installation 2 1 Directories Created on the Hard Disk 2 2 Installing the Card Be one IR enh ehe d 2 4 Chapter 3 Cable Connections 3 1 Chapter 4 Address
5. kane pa ee RURAL Mics 28 29 Analog Input 1 10 1 29 30 Analog Input 0 10V 30 31 Ground Gara pe ated Tate e e dade tote ee 31 32 te E ed oA dece BUR eds 32 Analog Input 5 0 5V 33 Not connected 2 4 Roe Ee et Way e Ce ad Ra e ae ala 34 Not connected 2544 en A e ber Dane Ha es 35 Not connected o Lusia epe t de oos etas 36 Not connected 37 Manual MPAD128 D1g Page 3 1 PAD128 Manual Page 3 2 Manual MPAD128 D1g Chapter 4 Address Selection When using DOS the PAD128 address can be selected anywhere within an 1 O address range 100 3FF hex providing that the addresses do not overlap with other functions If in doubt refer to the table below for a list of standard address assignments or use the base address locator program FINDBASE provided on CD or diskette Itwill assist you to avoid an address conflict Windows 95 98 and NT will select an appropriate base address for you Windows will most likely put the card at one of the following addresses 240 100 140 180 1C0 2 or 300 If you are using one of these operating systems you can skip this chapter ori Reset Coprocessor OFI Reset Coprocessor OF8 0FF Arithmetic Processor Arithmetie Processor Binary S
6. AD128 D1g Page 6 1 PAD128 Manual Base Address 0 Through Base Address E Even Point Setup Registers d E DF S ettle Time use 0000 CH use 000 osned doo The highlighted bits are the ones you will use most often the rest can be set to 0 for normal operation These eight word sized registers contain the list of channels from which you wish to acquire data The list is an ordered array of contiguous points where the first entry at base 0 indicates the first channel you wish to acquire The second entry at base 2 through the eighth entry Base E are optional and indicate further channels you wish to acquire in the order you wish to acquire them No registers may be skipped For example if you wish to acquire channels 1 and 5 the entries would be set in Base 0 and Base 2 not base 4 and The last channel s entry should have the loop bit DO set to allow the A D to start over at the beginning ofthe list Bits DF through DC SettleTime are optional use 0000 for most input sources Ifa larger settle time is desired for example for source impedances R greater than 100 ohms the following equation will calculate the necessary setting for these bits D D 3 33 x R round up to nearest integer Bits DB DA and D8 are reserved for advanced functions Refer to the LM12H458 chip specification for more information Bit D9 is the timer bit When bit 9 1s set to 1 the A D
7. Polling This is something of a misnomer as the FIFO is always enabled Basically we will only be using the FIFO as if it were a single sample deep That 1s each time a data value goes in it will be read out Initialize the card as above with Pause set for each point Start a conversion Base 10 bit 0 Wait for End of Conversion Base 10 bit 0 Read the Data Base 18 Loop to Start a Conversion Wait for End of Conversion is a loop that polls bit 0 of the A D status register When the bit changes from 1 to 0 the conversion is complete The data will be in the format determined by bit 5 of base 10 FIFO Polling This acquisition method uses the FIFO in a polling manner with the onboard counter performing the start conversions Initialize as above with no Pause bits and set Loop on the last point Start a Conversion Base 10 bit 0 Wait for FIFO full Base 14 bits F B Read the Data Base 18 Loop to Wait for FIFO full Wait for FIFO Full is a loop that reads the most significant 5 bits of Base 14 to determine how many samples are in the FIFO When it is full enough the program reads out that many samples A typical example would be to read 30 points of data each time the FIFO reached 30 points This allows time for two more samples to enter the FIFO while the 30 data samples are being read preventing lost data A slower computer might want more headroom and would read out fewer samples at a time O
8. ch power up This programalso provides some COM configuration when used with PCICOM ports Specifically it will configure compatible COM cards for IRQ sharing and multiple port issues WIN32IRQ This directory provides a generic interface for IRQ handling in Windows 95 98 NT Source code is provided for the driver greatly simplifying the creation of custom drivers for specific needs Samples are provided to demonstrate the use of the generic driver Note that the use of IRQs in near real time data acquisition programs requires multi threaded application programming techniques and must be considered an intermediate to advanced programming topic Delphi C Builder and Visual C samples are provided Manual MPAD128 D1g Page 2 3 PAD128 Manual Findbase exe DOS utility to determine an available base address for ISA bus non Plug n Play cards Run this program once before the hardware is installed in the computer to determine an available address to give the card Once the address has been determined run the setup program provided with the hardware to see instructions on setting the address switch and various option selections Poly exe A generic utility to convert a table of data into an nth order polynomial Useful for calculating linearization polynomial coefficients for thermocouples and other non linear sensors Risc bat A batch file demonstrating the command line parameters of RISCTerm exe RISCTerm exe A dumb terminal type com
9. chip will halt until the duration programmed in Base 16 elapses After the timeout elapses operation will continue at the next point Bits D7 through D5 CH select the low side analog input channel For single ended use set these bits to 000 Any other setting configures the point for differential where the values 001 through 111 indicate which channel 1 7 is to be used for the low side of the differential analog input Bits D4 through D2 CH indicate the high side analog input channel For most applications place a bit pattern from 000 to 111 to indicate which channel 0 7 you want this point to acquire When CH is set to anything other than 000 CH selects the high side of the differential analog input channel Page 6 2 Manual MPAD128 D1g Bit D1 is apause bit If this bitis set on a point the chip will stop acquiring points after finishing that point It will set the Start bit DO of Base 10 to 0 Restart at the next point by setting the Start bit to 1 Bit DO Loop is set on the last point you set up If you only want to acquire data from three channels you would have three points and the last one at Base 4 would have Loop set When the A D takes data it will read point 0 point 1 point 2 point 0 point 1 etc Reading these base addresses will return the values last written Base Address 10 A D Control Register unused don t care 5 0 0 Cal The highlighted bits are the ones you will use most often t
10. e ACCES 1 0 PRODUCTS INC 10623 Roselle Street San Diego CA 92121 TEL 858 550 8558 FAX 858 550 7322 MODEL PAD128 USER MANUAL FILE MPAD128 D1g Page ii Notice The information in this document is provided for reference only ACCES does not assume any liability arising out of the application or use of the information or products described herein This document may contain or reference information and products protected by copyrights or patents and does not convey any license under the patent rights of ACCES nor the rights of others IBM PC PC XT and PC AT are registered trademarks of the International Business Machines Corporation Printed in USA Copyright 2001 by ACCES I O Products Inc 10623 Roselle Street San Diego CA 92121 All rights reserved U S Patent No s 4 603 320 and 4 972 470 Page 111 Warranty Prior to shipment ACCES equipment is thoroughly inspected and tested to applicable specifications However should equipment failure occur ACCES assures its customers that prompt service and support will be available All equipment originally manufactured by ACCES whichis found to be defective will be repaired or replaced subject to the following considerations Terms and Conditions If a unit is suspected of failure contact ACCES Customer Service department Be prepared to give the unit model number serial number and a description of the failure symptom s We may suggest some simple tests to confirm the fail
11. erage of eight samples and Manual MPAD128 D1g Page 6 3 PAD128 Manual corrects for gain errors This is the recommended calibration method and should be performed once during initialization of the board each time a process is started Bit D2 Zero performs only a simple offset correction calculation This process takes about 10 microseconds but is not generally recommended unless speed is critical Bit D1 Reset will halt the A D chip useful if you need to suddenly stop the current acquisition process Set the bit to 1 to stop whatever the chip is doing Additionally setting this bit sets the chip s internal pointer to point 0 and clears the conversion FIFO Bit DO when set to 1 tells the A D to acquire data from the point list Setting the bit to 0 will stop the acquisition after completion of the current point Additionally if you read a zero in this bit it indicates the A D process is stopped Base Address 14 A D DE DD DC DB number of conversions in FIFO point being used for advanced functions acquired Bits DF through DB indicate how many points of data are in the FIFO It is important to avoid reading more data from the FIFO than is stored in it as doing so can corrupt incoming data Bits DA through D8 hold the current point number being acquired Base 14 write functions provide useful interrupt and FIFO control mechanisms If you need interrupt functionality read the LM12H458 chip s
12. g 5 VDC 47 mA typical 65 mA max Form Factor PCMCIA type II Regulatory Compliance CE Compliance Testing not completed at print time Please check with us for certification status Manual MPAD128 D1g Page 1 3 PAD128 Manual M U I gt ANY ANALOG 12 BIT 32 SAMPLE INPUT P AD FIFO CONDITIONING CONVERTER BUFFER arc R S A n o M SYNC U P U XTAL B T CLOCK CIRCUIT F DIGITAL F 6 10 E R S 4 OPTIONAL SURGE SUPRESSION ON ALL LINES e Figure 1 1 PAD128 Block Diagram Page 1 4 Manual MPAD128 D1g Chapter 2 Installation The software provided with this card is contained on either one CD or multiple diskettes and must be installed onto your hard disk prior to use To do this perform the following steps as appropriate for your software format and operating system Substitute the appropriate drive letter for your CD ROM or disk drive where you see d or a respectively in the examples below CD Installation DOS WIN3 x 1 Place the CD into your CD ROM drive 2 Type 21 14 to change the active drive to the CD ROM drive 3 UN si to run the install program 4 Follow the on screen prompts to install the software for this card WIN95 98 NT 2000 1 Place the CD into your CD ROM drive 2 The CD should automatically run the install program after 30 seconds If
13. he rest can be set to 0 for normal operation E oO N yo usis 0197 Bits DF through DC are unused and the card will ignore the values set It is generally recommended to set these bits to zero for compatibility with future design enhancements Bit DB Diag places the chip in diagnostic mode In this mode the channel numbers take on special meaning allowing readback of various reference and ground voltages When Diag is set CH set to 000 selected VREFO ut 001 selects Vref the remaining settings indicate channels as normal Also CH set to 001 indicates VRef while the remaining codes indicate channels as normal This mode can be used to verify the device is providing a valid VRefOut and that VRef are okay Normally this bit will be set to 0 Bits DA through D6 are reserved for advanced functions Referto the LM12H458 chip specification for more information Bit DS sign ch sets the format of returned analog data If the bit 1s cleared to 0 the data word will contain the point responsible for the data in bits F C If the bits is set to 1 bits F C of the data will contain the sign bit from the conversion See Base 18 for more information on data format Bit D4 is reserved for advanced functions Refer to the LM12H458 chip specification for more information Bit D3 cal setto 1 starts a full calibration This process takes less than 1 ms calibrates an internal offset correction coefficient based on the av
14. ications necessary for Windows NT 4 0 to recognize the PAD128 card The system must then be rebooted for the changes to take effect Please note even though a driver name is provided here in the registry no driver is needed or used Caution The PADI28 must be oriented with the label side up or side A in PCMCIA terms The standard PCMCIA case is keyed to prevent improper insertion but may be broken off if excessive force is used during installation Do Not Force the PAD128 Card into the Slot Install the card with the label facing up or towards side A but you should check with your systems owners manual When correctly oriented the PAD128 card should seat in the slot with little pressure Force the PAD128 card in upside down and you will probably burn out components as well as destroy the key slot Once the card is inserted you may then run the Sample software to confirm operation of your PADI28 card Manual MPAD128 D1g Page 2 5 PAD128 Manual Page 2 6 Manual MPAD128 D1g Chapter 3 Cable Connections The PAD128 requires our CAB 37PC cable to provide the transition fromthe microminiature 32 pin PCMCIA connector to a standard 37 pin D subminiature connector The 37 pin connector is equipped with 4 40 thumb screws to provide strain relief PAD128 Connector na eere eh CAB 37PC Cable Pin Description soie e eee duree x a ran ced DB 37F Pin 1 Reserved sd ee oa 1 2 Reserved oss due aed RR RU CERE RH S I ec
15. may be performed with byte or word sized reads and writes The registers related to the A D functions are usually accessed with words and the Digital functions are accessed by either bytes or words depending on the specific goal The following table describes the analogregisters as words and the digital registers as bytes Address Write Operation Base Address 0 A D Point Setup Base Address 2 A D Point Setup Base Address 4 A D Point Setup Base Address 6 A D Point Setup Base Address 8 A D Point Setup Base Address A A D Point Setup Base Address C A D Point Setup Base Address E A D Point Setup Base Address 10 A D Control Base Address 14 advanced features Base Address 18 unused Base Address 20 byte Base Address 21 byte Base Address 22 byte unused port C Base Address 23 8255 Port A Write 8255 Port B Write 8255 Port A Read 8255 Port B Read unused port C 8255 Control Register 8255 Control Readback Table 6 1 PAD128 Register Definition Map HEX Note The listed registers are a subset of the capabilities of the A D Chip The device is capable of threshold monitoring extended calibration modes differential channel selection on a pin by pin basis configurable settle times per input for poor sensortypes complex FIFO functions and much more Please refer to the National Semiconductor LM12H458 chip specification for complete information on this incredibly flexible device Manual MP
16. mpatible with any language capable of using 32 bit DLLs Consult the manuals provided with your language s compiler for information on using DLLs in your specific environment VBACCES This directory contains sixteen bit DLL drivers for use with VisualBASIC 3 0 and Windows 3 1 only These drivers provide four functions similar to the ACCES32 DLL However this DLL is only compatible with 16 bit executables Migration from 16 bit to 32 bitis simplified because of the similarity between VBACCES and ACCES32 PCI This directory contains PCI bus specific programs and information If you are not using a PCI card this directory will not be installed SOURCE A utility program is provided with source code you can use to determine allocated resources at run time from your own programs in DOS PCIFind exe A utility for DOS and Windows to determine what base addresses and IRQs are allocated to installed PCI cards This program runs two versions depending on the operating system Windows 95 98 NT displays a GUI interface and modifies the registry When run from DOS or Windows3 x a text interface is used For information about the format of the registry key consult the card specific samples provided with the hardware In Windows NT NTioPCI SYS runs each time the computer is booted thereby refreshing the registry as PCI hardware is added or removed In Windows 95 98 NT PCIFind EXE places itself in the boot sequence ofthe OS to refresh the registry on ea
17. munication program designed for RS422 485 operation Used primarily with Remote Data Acquisition Pods and our RS422 485 serial communication product line Can be used to say hello to an installed modem RISCTerm stands for Really Incredibly Simple Communications TERMinal Installing the Card The PAD128 card can be installed in any PCMCIA Type II card slot There are no switches or jumpers to set Everything on the PAD128 card is programmable including address and interrupt level If you have two PCMCIA slots you can plug two PAD128 devices in the same Windows based computer DOS or Windows 3 x Installation You must have installed the Card amp Socket Services CSS software that was provided with your PCMCIA capable computer For complete installation instructions refer to readme txt in your PAD128 software directory DOS Plug N Play or SuperClient Installation The SuperClientuses the PAD128 internal CIS configuration information to configure the card and prepare the system for use Consult the SuperClient documentation provided with your computer of PC Card adapter to determine the installation procedure Windows 9x ME NT 2000 Installation Windows 9x ME NT 2000 will automatically recognize the installation of the PCMCIA card and provide a list of options to install the card Select the option Driver from disk provided by hardware manufacturer and select the CD or floppy which will install support for the card Windows 9x ME NT 2000
18. nce enough data has been read the Stop bit at Base 10 bit 0 is cleared to 0 halting the process FIFO with Interrupt FIFO with Sync FIFO with Timer FIFO with Watchdog All of these modes and many more can be used with this A D chip Please refer to the LM12H458 chip specification for more information on using these advanced features Page 6 8 Manual MPAD128 D1g Digital The PAD128 comes with both analog inputs and digital VO Digital bits are provided through an industry standard 8255 PPI chip The 8255 is a powerful and flexible solution to many digital needs providing two eight bit ports and two four bit ports individually selectable as input or output Due to pinout restrictions the PAD128 makes only ports A and B available at the connector Port C Low can be programmed to control special various functions in the onboard logic device If you are interested in special functions please contact us The two 8 bit digital 1 O ports that are available at the connector are controlled through the 8255 device located at Base 20 through Base 23 Programming Example The following example in C is provided as a guide to assist you in developing your working software In this example the card address is 2D0 hex operation is in Mode 0 and the I O lines are to be set up as follows Port A Input Port B Output Port C Hi Input ignored Port C Lo Output ignored but usable for control functions in special versions of the PAD128
19. one end and has a 37 pin male sub D connector on the other end is available as Model CAB 37PC Data Acquisition The analog input configuration 1s software controlled on a channel by channel basis and you can have any combination of single ended and differential inputs that adds up to eight pins For example you could have two single ended inputs referred to one ground and four other single ended inputs that are referred to another ground Or you could have four differential inputs Or you could have two single ended inputs and three differential inputs If you are using differential inputs you must use channels with the same full scale range In the standard card there are four ranges Therefore you would have to pair channels 0 and 1 2 and 3 4 and 5 and 6 and 7 The same rule holds true if you use any of the inputs as a ground reference for another input The signal input and its ground should use channels with the same full scale range If you are planning to refer multiple channels to a particular non card ground you should consult the factory for a special version of the card that has enough channels ofthe same range to accommodate the total number of inputs and the ground The analog to digital converter provides 12 bit resolution Overall throughput rate is 129 000 Samples second Conversions are normally initiated by a programmable on card pacer clock The A D converter has self calibration capability to eliminate linearity and zero drif
20. pecification for details EE Address 16 Br EN This is the most significant 16 bits of a 21 bit delay timeout value The A D chip will pause for 32 x delay 2 clock cycles Each clock cycle is 0 136 microseconds long Once the delay is completed operation resumes with the A D sampling the current point and continuing to the next as normal ud PPP MS Base Address 18 A D FIFO Data Conversion Data nversion Data If CH mode is set at base 10 bit 5 bits DF DD indicate the point that the data is from Page 6 4 Manual MPAD128 D1g For example if the point list held channels 3 5 and 7 bits DF DD for channel 3 would hold 000 for channel 5 would hold 001 and for channel 7 would hold 010 If SIGN mode is set bits DF DD are the sign extension ofthe data and hold the same value as bit DC Bit DC is the sign bit 0 is positive 1 is negative Bits DB through DO are the conversion data Note If SIGN mode is set the data 1s returned in 16 bit two s complement format If CH mode is set some processing will be necessary to interpret the data Reading this base address as many times as indicated in Bits DF DB of Base 14 will grab the conversion results from the card Base Address 20 Digital I O 8255 Port A DIO7 DIO6 DIOS DIO4 DIO3 DIO2 DIO1 DIOO This port contains DIOO through DIO7 s control and status bits Base Address 21 Digital I O 8255 Port B
21. pecifications Data Acquisition e Analog Inputs As many as eight single ended inputs or four differential inputs or a mixture of both but not to exceed use of eight input pins See the limitation on pairing mentioned in the Data Acquisition section Input Voltage Range Ch 0 and 1 10V Ch 2 and 3 5V Ch 4 and 5 0 5V Ch 6 and 7 0 0 1V Note These are the default ranges If your card has been modified there will be an addendum sheet in the front ofthe manual Page 1 2 Manual MPAD128 D1g A D Converter Accuracy Common Mode Rejection Ratio diffl inputs 75 db at power line frequency 20 Khz sample rate Full Scale Error after auto cal LSB typical 2 LSB max Integral Linearity after auto cal LSB typical 1 LSB max Resolution 12 bits Maximum Throughput Rate 129K Samples Sec System Accuracy Gain accuracy of each range is 2 of reading Uncertainty in reading noise varies depending on range from 1 LSB for 10V range to 2 LSB on the 0 100mV range Digital Input Output Inputs Logic High 2 0 to 5 0 VDC Logic Low 0 3 to 0 8 VDC Input Load high 3 2 pA Input Load low 250 HA Outputs Logic High 2 5 VDC min source 200 Logic Low 0 5 VDC max sink 1 7 mA Environmental Operating Temperature Range 0 C to 60 C Storage Temperature Range 50 to 120 Humidity 5 to 95 RH non condensing Power Required Operatin
22. reads the INF file from the root directory of the CD or floppy to determine how to install the card Depending on options selected the Windows PCMCIA drivers you may hear rising two note tone upon successful installation and a new PCMCIA icon in the taskbar tray Page 2 4 Manual MPAD128 D1g Windows NT 4 0 Installation Windows NT 4 0 is not a Plug and Play operating system so getting the card to work properly requires a few extra steps After physically installing the PAD128 card into the slot run the Setup exe program included in the software package This program will create an entry in the Windows NT PCMCIA Registry Database allowing Windows NT 4 0 to recognize the PAD128 After running Setup exe the system must be rebooted for the changes to take effect The device should then show up in the PC Card PCMCIA Control Panel where its resource assignments can be found Although manual modification of the Registry should not be necessary the steps necessary to duplicate the actions performed by Setup exe are documented here for informational purposes After starting Regedit navigate to the following key HKEY LOCAL MACHINE System CurrentControlSet Services Pemcia Database Add a new subkey named Industrial Computer Source then add a new subkey to the Industrial Computer Source key you just created named PAD128 In the PAD128 key add a new string with the name Driver and the value pad128 This completes the modif
23. scal samples DOSICSAMPLES A subdirectory of CARDNAME that contains C samples Win32 language Subdirectories containing samples for Win95 98 and NT WinRISC exe A Windows dumb terminal type communication program designed for RS422 485 operation Used primarily with Remote Data Acquisition Pods and our RS422 485 serial communication product line Can be used to say hello to an installed modem ACCES32 This directory contains the Windows 95 98 NT driver used to provide access to the hardware registers when writing 32 bit Windows software Several samples are provided in a variety of languages to demonstrate how to use this driver The DLL provides four functions InPortB OutPortB InPort and OutPort to access the hardware This directory also contains the device driver for Windows NT ACCESNT SYS This device driver provides register level hardware access in Windows NT Two methods of using the driver are available through ACCES32 DLL recommended and through the DevicelOControl handles provided by ACCESNT SYS slightly faster Page 2 2 Manual MPAD128 D1g SAMPLES Samples for using ACCES32 DLL are provided in this directory Using this DLL not only makes the hardware programming easier MUCH easier but also one source file can be used for both Windows 95 98 and WindowsNT One executable can run under both operating systems and still have full access to the hardware registers The DLL is used exactly like any other DLL so it is co
24. t A DIO 0 7 1 input 0 output Bit D1 B sets input or output for port B DIO 8 15 1 input 0 output Analog Inputs Programming the Analog Inputs is a straightforward task consisting ofa few consistent steps Refer to the register definitions in the sections above when reading these instructions The first step every time you use the card is to initialize it This five step process is as follows Reset the Card and Point List Index Base 10 bit 1 Calibrate the Card Base 10 bit 3 Setup the Points Base addresses 0 through E even Configure the A D Control Register Base 10 Reset the Card and Point List Index Base 10 bit 1 Setup the Points 1s up to 8 writes to addresses 0 2 4 etc with the last write setting the Loop bit as well as the channel information Additionally each point can have the Timer or Pause bit set to determine various timing characteristics It is important that writing to the point list not be performed while the A D chip is working Make sure you issue a Stop Base 10 bit 0 or a Reset Base 10 bit 1 before loading the point list Also when done loading points in the list you must issue a Reset Base 10 bit 1 Once the card is initialized data acquisition can begin This is accomplishable in a variety of methods two of which we will discuss here For more information on acquisition methods consult the LM12H458 chip specification Manual MPAD128 D1g Page 6 7 PAD128 Manual Non FIFO
25. t errors and a 32 sample FIFO buffer The buffer allows accumulation of data while the computer is servicing other requests Manual MPAD128 D1g Page 1 1 PAD128 Manual Digital Input Output The PAD128 also has capability for 16 digital input output bits that can be programmed as inputs or outputs on a groups of eight basis This function is based on the industry standard type 8255 programmable peripheral interface and the A and B ports are available for use Special Functions Control logic in the PAD128 uses a programmable array and special functions can be factory programmed If you have need for special functions such as external synchronization give us a call Utility Software Programs on 377 diskette or CD ROM are included with the PAD128 These programs are based on the assumption that the PCMCIA Card and Socket Services have been loaded on the host computer to provide the software interface to the card slot drive these services are normally provided by Windows The diskette CD includes a program called FINDBASE that helps you find an unused base address to use with the card when using DOS PAD128 supports base addresses from 100h to 3FFh Also there is a TSR memory resident program required to configure the card for it to be recognized by the Card and Socket Services when using DOS Sample programs in 6 languages Borland C 3 5 Turbo Pascal 7 0 C Builder 3 Delphi 4 0 Visual C 5 0 and Visual BASIC 5 0 are provided S
26. the install program does not run click START RUN and type d install click OK or press j 3 Follow the on screen prompts to install the software for this card 3 5 Inch Diskette Installation As with any software package you should make backup copies for everyday use and store your original master diskettes ina safe location The easiest way to make a backup copy is to use the DOS DISKCOPY utility In a single drive system the command is 118 jJ jew You will need to swap disks as requested by the system In a two disk system the command is Sure Ale This will copy the contents of the master disk in drive A to the backup disk in drive B Manual MPAD128 D1g Page 2 1 PAD128 Manual To copy the files on the master diskette to your hard disk perform the following steps 1 Place the master diskette into a floppy drive 2 Change the active drive to the drive that has the diskette installed For example if the diskette is in drive A type 3 Type 41 5 and follow the on screen prompts Directories Created on the Hard Disk The installation process will create several directories on your hard disk If you accept the installation defaults the following structure will exist CARDNAME Root or base directory containing the SETUP EXE setup program used to help you configure jumpers and calibrate the card DOSIPSAMPLES A subdirectory of CARDNAME that contains Pa
27. to give us some feedback please email us at manuals accesioproducts com Please detail any errors you find and include your mailing address so that we can send you any manual updates Ma ACCES 1 0 PRODUCTS INC 10623 Roselle Street San Diego CA 92121 Tel 858 550 9559 FAX 858 550 7322 www accesioproducts com PAD128 Manual Page B 4 Manual MPAD128 D1g
28. u He s Rug ee 2 3 Reserved ads dut ses Te ILE Oe RUE iSt OED 3 4 Reserved au s eR vec eia ae es 4 5 Reserved aa de egre de Breve dre ect d ect iet a tete nde 5 6 Digital VO TIA ee RR EUER ENSE Ma 6 7 Digital VOTA ma ange 7 8 Digital use ec adeat ner m oe eigene 8 9 Digital VO dte hice da Sy De hee 9 10 Digital DO 11 seed ois ee FO PR ER a Re torta gs 10 11 Digital VOTO ara aan bic IE 11 12 Digital OO nem tot ede gs innen dox 12 13 Digital VOS cat 13 14 Dista OO dottore eed od tst dea seed heic deis ee 14 15 Digital V OT en A di o Dar e 15 16 Digital VOZ cce siete aad Maat ates eoa a ess eatis 16 17 Digitabl Q 9 gedauert etc d adus 17 18 OA DE 18 19 Digtal VO 5 ea aa una Nard eee 19 20 Digital OG esnia rot tee nie sha a ne Re PUE D dts 20 21 DigitabI Q rt erts tach aeu potra aca ringe 21 22 Ground sr eis DC ecce db Ce ini a 22 23 Analog Input 7 0 0 1V 23 24 Analog Input 6 0 0 1V 24 25 Analog Input 5 0 5V 25 26 Analog Input 4 0 5 26 27 Analog Input 3 5V 27 28 Analog Input 2 5M ii
29. ure We will assign a Return Material Authorization RMA number which must appear on the outer label of the return package All units components should be properly packed for handling and returned with freight prepaid to the ACCES designated Service Center and will be returned to the customer s user s site freight prepaid and invoiced Coverage First Three Years Returned unit part will be repaired and or replaced at ACCES option with no charge for labor or parts not excluded by warranty Warranty commences with equipment shipment Following Years Throughout your equipment s lifetime ACCES stands ready to provide on site or in plant service at reasonable rates similar to those of other manufacturers in the industry Equipment Not Manufactured by ACCES Equipment provided but not manufactured by ACCES is warranted and will be repaired according to the terms and conditions of the respective equipment manufacturer s warranty General Under this Warranty liability of ACCES is limited to replacing repairing or issuing credit at ACCES discretion for any products which are proved to be defective during the warranty period In no case is ACCES liable for consequential or special damage arriving from use or misuse of our product The customer is responsible for all charges caused by modifications or additions to ACCES equipment not approved in writing by ACCES or if in ACCES opinion the equipment has been subjected to abnormal use Abnormal use
30. ynchronous Comm n 1 Monochrome Display Printer 3F0 3F7 Floppy Diskette Controller 3F8 3FF Asynchronous Comm n Primar Table 4 1 Standard Address Assignments for 286 386 486 Computers Manual MPAD128 D1g Page 4 1 PAD128 Manual Page 4 2 Manual MPAD128 D1g Chapter 5 Software Several programs are provided to support the PAD128 Analog Input Card and also to help you to develop your application programs These programs are on a CD or Floppy that comes with your board Setup Program The setup program NTSETUP EXE in the root of the installed directories is used in Windows NT only This program will create the database entries in the system registry required to allow NT to detect and install the card correctly This program need only be executed once per system Sample Programs The sample programs are in forms suitable for use with DOS Borland C 3 5 and Turbo Pascal 7 0 and Windows 95 98 NT C Builder 3 Delphi 4 0 Visual C 5 0 and Visual BASIC 5 0 Although the appearance of sample changes depending on the operating system and language the basic functionality is similar The sample programs will acquire data from the analog inputs and display this data onscreen By attaching sensors or other voltage sources you can quickly verify operation of the card Manual MPAD128 D1g Page 5 1 PAD128 Manual Page 5 2 Manual MPAD128 D1g Chapter 6 Programming Port Addresses and Functions All I O accesses
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