USB-DIO-32 User Manual - ACCES I/O Products, Inc.
Contents
1. 8 Figure 1 2 Enclosure Label iie ti qeu ee xe tues GU RE RENIBUS UR CI 10 Chapter 2 11 Software CD Installation 2 0000 11 2000 2003 4 4 2244 4404 11 Hardware Installation 11 Chapter 3 Hardware Details 22 1 44 11 12 Option 5 12 Figure 3 1 Option Selection 12 USB COhHnecl L uiu ee tu atia utu tel dt erdt 13 LED PLE 13 DC Power Jack 13 50 Pin Box HeadBE EM M dE 13 Pull Up Pull Down Configuration Jumpers 22 2 4 13 Chapter 4 USB Address 0 04 22210 14 Chapter 5 15 Chapter 6 Connector Pin Assignments 2 2 22 16 Table 6 1 50 Pin Connector Pin 16 Table 6 2 501 Version Connector Pin Assignments 17 Chapter 7 18 Append2. O za 2 o o 14 lt o a ii Ts Q 14 lt 2 LH gt 14 gt z CTR 2 Figure 1 1 Block Diagram Manual USB DIO 32 Ordering Guide USB DIO 32 USB 32 channel digital input output module Model Options C1 Add one 1 82C54 counter timer C2 Add two 2 82C54 counter timers C3 Add three 3 82C54 counter timers Board only version with no enclosure E Economy version includes no screw terminal DIN DIN rail mounting bracket for integrating into existing DIN rail systems P On board DC power circuitry and external power AC DC adapter RoHS This product is available in a RoHS compliant version Please call for specific pricing then be sure to add this suffix to the model number on any hard copy or verbal purchase orders Special Order 501 Compatible with industry standard 24 line solid state module racks 50 Contact factory with your special requirement Examples of special orders would be conformal coating latching I O headers Customization and Special Functions Due to the nature of our USB modules many special functions can be implemented with a combination of custom firmware and an associated DLL entry point for little to no NRE Functions such as quadrature input pulse width modulated outputs even input de bouncing Call us to discuss your requirement Included with your board The following components are included with your ship
3. the option selection map for a visual reference 50 Pin Box Header The 50 pin box header has standard 100 spacing between pins and is keyed to prevent improper connections It can be used with standard IDC type ribbon cables or the screw terminal board that plugs directly into the box header Pull Up Pull Down Configuration Jumpers Each 8 bit port A B C and D can be jumper configured to be pulled up to 5 via 10KO for dry contact monitoring or pulled down for positive control logic applications When no jumpers are installed the lines are left floating however due to the 10K resistor packs any un used input will not have suppressed cross talk For pull ups most common install these jumpers in the 5 position For pull downs install these jumpers in the GND position For neither remove these jumpers 13 Manual USB DIO 32 Chapter 4 USB Address Information Use the provided driver to access the USB board This driver will allow you to determine how many supported USB devices are currently installed and each device s type This information is returned as a Vendor ID VID Product ID PID and Device Index The board s VID is 0 1605 and its PID is Ox8001 The Device Index is determined by how many of the device you have in your system and provides a unique identifier allowing you to access a specific board at will 14 Manual USB DIO 32 Chapter 5 Programming The driver software provided with the board
4. uses a 32 bit dll front end compatible with any Windows programming language Samples provided in Borland C Builder Borland Delphi Microsoft Visual Basic and Microsoft Visual demonstrate the use of the driver The following functions are provided by the driver in Windows These functions will allow you to read or write individual bits bytes or the entire board worth of data In addition counter timer functionality and board level functions complete the driver package For detailed information on each function refer to the html Driver Manual located in the Win32 directory for this board unsigned long GetDevices void unsigned long QueryDevicelnfo Devicelndex pPID pName pDIOBytes pCounters unsigned long DIO Configure Devicelndex bTristate pOutMask pData unsigned long DIO Write1 Devicelndex Bitlndex bData unsigned long DIO Write8 Devicelndex Bytelndex Data unsigned long DIO WriteAll Devicelndex pData unsigned long DIO Read8 Devicelndex Bytelndex pBuffer unsigned long DIO_ReadAll Devicelndex Buffer unsigned long 8254Mode Devicelndex Blocklndex Counterlndex Mode unsigned long 8254ModeLoad Devicelndex Counterlndex Mode LoadValue unsigned long CTR_8254ReadModeLoad Devicelndex Blocklndex Counterlndex Mode LoadValue pReadValue unsigned long CTR_8254Read Devicelndex Blocklndex Counterlndex pReadValue unsigned long CTR StartOutputFreq Devicelndex Counterln
5. with the board Also refer to the Block Diagram and the Option Selection Map when reading this section of the manual 8254 2 8254 3 Figure 3 1 Option Selection Map 12 Manual USB DIO 32 USB Connector The USB connector is a Type B connector and mates with the cable provided The USB port provides communication signals along with 5 VDC power The board be powered from the USB port or if needed for higher current applications an external power supply can be used LED The LED on the front of the enclosure is used to indicate power and data transmissions When the LED is in an illuminated steady green state this signifies that the board is successfully connected to the computer and has been detected and configured by the operating system When the LED flashes continuously this signifies that there is data being transmitted over the USB bus DC Power Jack Optional This is an option for high current applications when more current is needed than what your computer can provide on the USB port typically 500 mA The DC jack has a 2 00mm post on board and is designed to be used with the 9 VDC AC DC external power supply that ships with this option The voltage regulator on board regulates the 9 VDC and provides 5 VDC to the onboard circuitry When using external power switch the jumper located near the USB connector to VEXT otherwise when the jumper is in the VUSB position current is drawn from the USB port please consult
6. ION 2 AOIN 4 1 6 A2OUT 8 BOIN 10 B1 GATE 12 B2 OUT 14 CO IN 16 C1 GATE 18 C2 OUT 20 DIO D7 22 DIO D6 24 GND 26 DIO D5 28 GND 30 DIO D4 32 GND 34 DIO D3 36 GND 38 DIO D2 40 GND 42 DIO D1 44 GND 46 DIO DO 48 GND 50 GND Manual USB DIO 32 Figure 1 2 Enclosure Label 10 Chapter 2 Installation Software CD Installation These paragraphs are intended to detail the software installation steps as well as describe what is being installed The software provided with this board is contained on one CD 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 2 in the examples below WINNT 2000 XP 2003 a Place the CD into your CD ROM drive b The CD should automatically run the install program If the install program does not click START RUN and type 2 click OK or press En Follow the on screen prompts to install the software for this board Hardware Installation The board can be installed in any USB 2 0 or USB 1 1 port Please refer to the USB Quick Start Guide which can be found on the CD for specific quick steps to complete the hardware and software installation 11 Manual USB DIO 32 Chapter 3 Hardware Details Option Selections Refer to the setup programs on the CD provided
7. ce 32 mA 0 55 VDC max sink 64 mA Maximum Input Frequency 10MHz Input Gate TTL CMOS compatible Clock On board 3 MHz crystal controlled clock Active Count Edge Negative edge Minimum Clock Pulse Width 30 ns high 40 ns low Timer Range 16 bits Bus Type USB2 0 high speed 480 Mb s Power Basic unit 80 mA typical no load 5 VDC from the USB bus or external power supply depending on user configuration The USB bus is specified to provide 500 mA to most desktop environments This gives you 420 mA available 500 8 420 If using more than a total of 500mA use optional 9 VDC on board voltage regulator outputs 5 VDC to card external power supply and remove VUSB jumper and place jumper on VEXT Then plug in external power before plugging into USB port This option will give you a total of 1000mA available 5 resettable fuse at 0 5A located on connector 18 Manual USB DIO 32 Environmental Operating Temperature Range Storage Temperature Range Humidity Board Dimension Box Dimension 0 to 70 40 to 85 0 to 90 non condensing 3 550 x 3 775 inches 4 00 x 4 00 x 1 25 inches 19 Manual USB DIO 32 Appendix 8254 Counter Timer These boards have the option of one two or three 82C54 counter s that each include three 16 bit counter timers factory configured in an optimal module for use as event counters frequency output pulse width and frequency mea
8. dering guide for the appropriate designator to use External power is required for the logic side of the module mounting rack as the load is typically greater than what can be provided over a USB port Unlike most USB digital I O products which primarily use a human interface device HID driver we provide an easy to use Windows based custom function driver optimized for maximum data throughput This approach exposes the full functionality of the hardware along with maximizing the advantage of using the high speed USB 2 0 bus The board is designed to be used in rugged industrial environments but is small enough to fit nicely onto any desk or testing station The board is PC 104 size 3 550 by 3 775 inches and ships inside a steel powder coated enclosure with an anti skid bottom Counter Timers Optionally available on the board are one two or three 82C54 counters that each include three 16 bit counter timers factory configured in an optimal module for use as event counters frequency output pulse width and frequency measurement 6 Manual USB DIO 32 USB BUS GLOBAL BUFFER ENABLE TRISTATE DIRECTION SELECT BITS USB 1 1 2 0 PORT INTERFACE WITH MICRO PORT CONTROLLER PORT PORT 1 OPTION C3 8 BIT DIGITAL BUFFER 8 DIGITAL BUFFER 8 DIGITAL BUFFER po 8 BIT DIGITAL 8 BUFFER 14
9. dex pHz 15 Manual USB DIO 32 Chapter 6 Connector Pin Assignments 50 pin male header connector protrudes through a cutout in the enclosure for connections Connector pin assignments are listed below asterisk denotes an optional signal IDC 50 Pin Header ale Table 6 1 50 Pin Connector Pin Assignments FUNCTION Pn FUNCTION Ls ore coUNTER BON 1 16 Manual USB DIO 32 5 5 2 22 2 2122 2 2 2 ojojo NN OP TPT Ty TY o 501 Version Connector Pin Assignments FUNCTION GROUND GROUND GROUND N C N C N C N C FUNCTION mlelwolsolu c ol n 9 lt lt lt lt lt lt lt ANED NYT ojt j Table 6 2 Manual USB DIO 32 17 Chapter 7 Specifications Digital Inputs TTL Compatible Logic High 2 0 VDC min 5 5 VDC max Logic Low 0 8 VDC max 0 5 VDC min Bias Resistors 10K O Digital Outputs Logic High 2 0 VDC min source 32 mA Logic Low 0 55 VDC max sink 64 mA Counter Timers Type 82C54 10 programmable interval counters Output Drive 2 0 VDC min sour
10. e that in this mode to achieve the square wave the counter decrements by two for the total loaded count then reloads and decrements by two for the second part of the wave form Mode 4 Software Triggered Strobe This mode sets the output high and when the count is loaded the counter begins to count down When the counter reaches zero the output will go low for one input period The counter must be reloaded to repeat the cycle A low gate input will inhibit the counter Mode 5 Hardware Triggered Strobe In this mode the counter will start counting after the rising edge of the trigger input and will go low for one clock period when the terminal count is reached The counter is retriggerable The output will not go low until the full count after the rising edge of the trigger 21 Manual USB DIO 32 Customer Comments If you experience any problems with this manual or just want to give us some feedback please email us at manuals 2accesio com Please detail any errors you find and include your mailing address so that we can send you any manual updates ACCES I O PRODUCTS INC 10623 Roselle Street San Diego CA 92121 Tel 858 550 9559 FAX 858 550 7322 www accesio com 99 Manual USB DIO 32
11. ideal solution for adding portable easy to install digital I O and counter capabilities to any computer with a USB port The board is a USB 2 0 high speed device offering the fastest speed available with the USB bus It is fully compatible with both USB 1 1 and USB 2 0 ports The card is plug and play allowing quick connect disconnect whenever you need additional I O on your USB port The board features 32 bits of TTL compatible digital I O with high current capabilities and three optional 82C54 counters Each digital port can be programmed to accept inputs or to drive outputs on four 8 bit ports designated as port A B C and D Power is supplied to the card via the USB cable or for higher current capabilities external power may be used The wiring connections are via an industry standard 50 pin connector or via an optional terminal block adapter card For external circuits fused power is available at the connector The resettable fuse is rated at 0 5A All I O lines are buffered by a type 74ABT245 tristate buffer transceiver capable of sourcing 32 mA or sinking 64 mA The buffers are configured under program control for input or output lines are jumper selectable pull ups to 5 VDC or pull downs to ground on the card This jumper can be removed to provide a floating state for the I O when it is neither pulled up nor down For compatibility with industry standard solid state module mounting racks see the or
12. in low until the counter decrements to zero The output then goes high and remains high until a new count is loaded into the counter A trigger enables the counter to start decrementing Mode 1 Retriggerable One Shot The output goes low on the clock pulse following a trigger to begin the one shot pulse and goes high when the counter reaches zero Additional triggers result in reloading the count and starting the cycle over If a trigger occurs before the counter decrements to zero a new count is loaded This forms a retriggerable one shot In mode 1 a low output pulse is provided with a period equal to the counter count down time Mode 2 Rate Generator This mode provides a divide by N capability where N is the count loaded into the counter When triggered the counter output goes low for one clock period after N counts reloads the initial count and the cycle starts over This mode is periodic the same sequence is repeated indefinitely until the gate input is brought low This mode also works well as an alternative to mode 0 for event counting 20 Manual USB DIO 32 Mode 3 Square Wave Generator This mode operates like mode 2 The output is high for half of the count and low for the other half If the count is even then the output is a symmetrical square wave If the count is odd then the output is high for 1 2 counts and low for N 1 2 counts Periodic triggering or frequency synthesis are two possible applications for this mode Not
13. ix A 8254 Counter Timer 20 Customer 0000 22 4 Manual USB DIO 32 Chapter 1 Introduction Features 32 lines of digital I O High speed USB 2 0 device USB 1 1 backwards compatible Four 8 bit ports independently selectable for inputs or outputs All 32 I O lines buffered with 32 mA source 64mA sink current capabilities Three 82C54 counters capable of event counting frequency measurement pulse width measurement or frequency generation Terminal block adapter card for easy wiring Buffers can be enabled or tri stated under program control jumper configured for pulled up to via 10KQ for dry contact monitoring or pulled down to ground Jumper selectable power provided via USB cable or external power supply for higher source current capabilities Resettable fused 5VDC output Standard 50pin IDC type connector with key PC 104 size 3 550 by 3 775 in Rugged industrial enclosure Compatible with Industry Standard I O Racks such as Gordos OPTO22 Potter amp Brumfield etc with optional cable Applications Automatic Test Systems Laboratory Automation Robotics Machine Control Security Systems Energy Management Relay Monitoring and Control Parallel Data Transfer to PC Sensing Switch Closures or TTL DTL CMOS Logic Driving Indicator Lights or Recorders 5 Manual USB DIO 32 Functional Description This USB board is an
14. ment depending on options ordered Please take the time now to ensure that no items are damaged or missing USB Module in labeled enclosure with an anti skid bottom Universal screw terminal block 6 USB 2 0 cable Software Master CD USB Quick Start Guide 8 Manual USB DIO 32 Optional Accessories CABSOF 6 Six foot ribbon cable assembly with 50 pin female connectors 50 6 Six foot ribbon cable assembly with a 50 pin female header connector and a 50 pin female edge connector STB 50 Screw terminal board typically ships with standoffs but can also mount on SNAP TRACK or DIN SNAP DIN SNAP 6 Six inch length of SNAP TRACK with two clips for mounting one STB 50 screw terminal board on a DIN rail DIN SNAP One foot length of SNAP TRACK with four clips for mounting up to two STB 50 screw terminal boards on a DIN rail MP104 DIN DIN rail mounting adapter plate for affixing any USB 104 module to a DIN rail Manual USB DIO 32 858 550 3559 ACCES 4 PRODUCTS INC accesio com T OPTIONAL 32 Bits of Digital and Optional 8254 Counter Timers USB DIO 3 2 PIN FUNCTION DIO C7 DIO C6 DIO C5 DIO C4 DIO C3 11 DIO C2 13 DIO C1 15 DIO CO 17 DIO B7 19 DIO B6 21 DIO B5 23 DIO B4 25 DIO B3 27 DIO B2 29 DIO B1 31 DIO BO 33 DIO A7 35 DIO A6 37 DIO A5 39 DIO A4 41 DIO A3 43 DIO A2 45 DIO A1 47 DIO 49 5V PIN FUNCT
15. ompt service and support will be available All equipment originally manufactured by ACCES which is 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 failure 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 o
16. r 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 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 3 Manual USB DIO 32 Table of Contents Chapter 1 Introduction eec ee aec bue 5 5 Applications EMT 5 Functional Description onse xia diac ai uie aM ipu diu 6 2 6 Figure 1 1 Block Diagram RS LUCA ts 7 Ordering Guide 8 Model Options sac 8 Special OPdet 1 Y 8 Customization and Special 8 Included with your
17. surement See Block Diagram Each counter can be programmed to any count as low as 1 or 2 and up to 65 536 depending on the mode chosen For those interested in more detailed information a full description can be found in the Intel or equivalent manufacturers data sheet provided in the chipdocs directory on the Software Master CD Refer to Chapter 5 Programming and the html Driver Manual document installed by the Software Master CD for information on using the installed software driver for this board The following data is provided only for reference as it is unlikely to be needed when using the provided driver Please note the block diagram description of how the 9 pins associated with 8254 counters are configured into an optimum counter timer module on this board Operational Modes The 8254 modes of operation are described in the following paragraphs to familiarize you with the versatility and power of this device For those interested in more detailed information a full description of the 8254 programmable interval timer can be found in the Intel or equivalent manufacturers data sheets The following conventions apply for use in describing operation of the 8254 Clock A positive pulse into the counter s clock input Trigger A rising edge input to the counter s gate input Counter Loading Programming a binary count into the counter Mode 0 Pulse on Terminal Count After the counter is loaded the output is set low and will rema
18. ya ACCES 1 0 PRODUCTS INC 10623 Roselle Street San Diego CA 92121 858 550 9559 FAX 858 550 7322 contactus accesio com www accesio com MODEL USB DIO 32 32 Channel Digital I O Module with Optional 82C54 Counter Timers USER MANUAL FILE MUSB DIO 32 A1h 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 PC and PC AT are registered trademarks of the International Business Machines Corporation Printed in USA Copyright 2004 2005 by ACCES Products Inc 10623 Roselle Street San Diego CA 92121 All rights reserved WARNING ALWAYS CONNECT AND DISCONNECT YOUR FIELD CABLING WITH THE COMPUTER POWER OFF ALWAYS TURN COMPUTER POWER OFF BEFORE INSTALLING A CARD CONNECTING AND DISCONNECTING CABLES OR INSTALLING CARDS INTO A SYSTEM WITH THE COMPUTER OR FIELD POWER ON MAY CAUSE DAMAGE TO THE CARD AND WILL VOID ALL WARRANTIES IMPLIED OR EXPRESSED 2 Manual USB DIO 32 Warranty Prior to shipment ACCES equipment is thoroughly inspected and tested to applicable specifications However should equipment failure occur ACCES assures its customers that pr
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