MODEL USB-DA12-8A Eight Channel Digital to
Contents
1. Board Dimension Box Dimension Power 8 channels Single ended and differential 12 bit resolution 0 2 5V 0 5V 0 10V 2 5V 5V 10V 125kHz all channels simultaneous 2 LSB typical 0 2 LSB typical 8us typical 10us max 6mA per channel USB2 0 High speed USB1 1 Full speed compatible 0 to 70 C 40 to 85 C 5 to 95 non condensing 3 550 x 3 775 inches 4x 4x 1 75 inches tall 5VDC 520mA typical no load on DAC outputs Regulated AC DC adapter should be ordered PR option together with the board as the minimum current draw exceeds that which the USB port can provide by default 7 Manual USB DA12 8A USB 2 0 BUS WRITES AND READS OCCUR IN OPPOSITE BANKS 4 BIT CONTROL 24MHz bo i 128k SRAM RS A SE CLR OP CLR OP DAC 7 AMP DIFF SE NY ONTROL SIGNALS DAC 0 7 SELECT 12 BIT DAC WAVEFORM DATA A i 4 BIT CONTROL 128k SRAM Figure 1 1 Block Diagram 8 Manual USB DA12 8A Chapter 2 Installation Software CD Installation This paragraph is intended to detail the software installation steps The software provided with this board is contained on one CD and must be installed onto your hard disk priorto 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 in the examples be2. ILDA Laser Driver Functional Description The USB DA12 8A is an ideal solution for adding portable easy to install analog outputs to any computer with a USB port The unit is a high speed USB 2 0 device offering the highest speed available with the USB bus It is fully compatible with both USB 1 1 and USB 2 0 ports The board is plug and play allowing quick connection whenever you need additional l O on a USB port This product features 8 digital to analog converters DACs with both differential and single ended outputs on separate connectors The board features unipolar and bipolar ranges for each DAC giving the user a variety of options The DACs can be updated individually or simultaneously To ensure that there will not be excessive outputs to external circuits when the board is plugged in automatic circuits limit analog outputs to zero volts Five Volt 5V Power is supplied to the board by an external regulated power supply which powers DC DC converters to provide 12V to the operational amplifiers on the board The l O wiring depends on the model option s ordered For the OEM version connections are via industry standard IDC type 26 pin 16 pin and 10 pin connectors For full standard versions connections are made to the IDC connectors on board via internal cables from enclosure mounted DB25 connectors with one screw terminal accessory being included model ADAP25 5 Manual USB DA12 8A The USB DA 12 84 is designed to be used in r
3. Itis not possible for the write and play pointer to be pointing to the same SRAM This memory acts like a circular buffer where the head and tail can t be in the same half of the buffer If you resetthen load 64KWords 1 the Play pointer will be at Zero in SRAMO the write pointer will be at Oxfffe in SRAM1 effectively one word away but still in the other half of memory A program to control the DACs must generate a movie file This file consists of an array of DAC data words The format of one word is both binary and bit mapped as follows D15 lora D13 D12 D11 through DO Eom sor son Loop DAC Value o FFF hex0 4095 dec EOM is end of movie Set this bit to cause the DAC waveforms to halt If you do not set EOM on the last data in your array the DACs will continue to read out uninitialized SRAM and simply repeat forever EOF is end of frame Set this bit to cause a particular digital output bit to indicate the bit was set during playback 14 Manual USB DA12 8A EODis end of DACs Set this bit to indicate start counting DACs over at zero see below LOOP is loop and can be set to cause the circuit to set the internal pointer into the current location in SRAM back to zero in the first SRAM If you load a small array of DAC data and set loop on the last data point it will simply play forever unless EOM was set somewhere before loop The format of the array The array contains data for al
4. www accesio com 22 Manual USB DA12 8A
5. 6 2 J1 S E Outputs 16 Pin IDC Assignments 18 Table 6 3 S E Outputs Control Status DB25 Male Connector Pin Assignments 18 Table 6 4 J3 Differential Analog Outputs 26 Pin IDC Assignments 20 Table 6 5 Differential Analog Outputs DB25F Connector Pin Assignments 20 Table 6 6 ILDA Signal Naming Standard DB25F Signal Descriptions 21 4 Manual USB DA12 8A Chapter 1 Introduction Features High speed USB 2 0 device USB 1 1 compatible Small portable 8 channel 12 bit digital to analog converter outputs Double buffered allowing simultaneous update of all DAC s Up to 125K conversions per DAC per second Streaming USB waveform data at over 400 000 DAC outputs per second total ILDA International Laser Display Association compatible outputs 256K byte buffer on board or infinitely long streaming waveforms Buffered waveforms at up to 1 million DAC conversions per second total Analog output ranges of 0 2 5V 0 5V 0 10V 2 5V 5V 10V Single ended and differential outputs on separate connectors Custom high speed function driver PC 104 module size and mounting compatibility Small 4 x4 x1 75 rugged industrial enclosure DB25M and DB25F enclosure mounted I O connectors Applications Portable Laptop Education Laboratory Industrial Automation Embedded OEM
6. USB I O Quick Start Guide 2 0 eee ee ee een eee 9 Chapter 3 Option Selection 5550300052028 002 E RADA 10 DC Power Jack ee eee eee E a ee eens TL Output Voltage Range Jumpers 4 44 44444 suisses eee eee ee tenues 11 Differential Outputs J3 2s ressens h has eue me eine panne a f e nt ip 11 Control and Monitoring 4 xa psa rs a messe ts DR ee ne 11 Single Ended Outp ts J1 es craneo eee e des a AE 11 USB Connector ici da le a e Raed ee Bec ee 11 LED Eight niecne a ae a re no ee A moar oe a an da 11 Chapter 4 USB Address Information 12 Chapter 5 Programming 13 Software Reference Manual 13 Vendor RequestS serrera ee a aE a EA a O E A EE EE A ee RE ORA 13 USB DA12 8A Vendor Request document text 13 Chapter 6 Connector Pin Assignments 18 J4 Signal descriptions Control Status 19 ILDA DB 25 Pinout and Signal Description Standard Excerpts 21 References 1 112141 aia aaa a 22 List of Figures Figure 1 1 Block Diagram Figure 3 1 Option Selection Map 4 4 44 44e 10 List of Tables Table 6 1 J4 Control Status 10 Pin IDC 44444444 eee eee 18 Table
7. signal line When compared to the ground level of the differential driver the voltage level of the normal signal line shall be 2 5V and the voltage level of the inverted signal shall be 2 5V 21 User defined signal 1 1 lo 22 user defined signal 24 10 23 User defined signal 3 11 24 User defined signal 4 i2 projector Return signal oo pun 13 Shutter Optical shutter intended to extinguish all light from the graphics scanners This is a unipolar analog signal whose voltage range is 5 volts peak The shutter signal is referenced to the Ground pin A voltage level of 0 volts shall close the shutter so that no light is emitted from the graphics scanners A voltage level of 5 volts shall fully open the shutter 25 Ground 0 voltage potential reference and signal shield Table 6 6 ILDA Signal Naming Standard DB25F Signal Descriptions This material is copyright O 1999 by the International Laser Display Association and is used by permission 21 Manual USB DA12 8A References International Laser Display Association http www laserist org index htm Customer Comments If you experience any problems with this manual or just want to give us some feedback please email us at manuals accesio com Please detail any errors you find and include your mailing address so that we can send you any manual updates a ACCES 1 0 PRODUCTS INC 10623 Roselle Street San Diego CA 92121 Tel 858 550 9559 FAX 858 550 7322
8. 0 0 1 0 DAC 0 value 0 0 DAC 0 value 0 0 1 DAC 1 value Careful understanding of this EOD functionality is critical to correctly creating a waveform movie buffer Here s a more complex example 0 0 0 DAC 0 value 0 0 0 0 DAC 0 value 0 0 DAC 1 value 0 0 1 0 DAC 2 value 0 0 DAC 0 value 0 0 0 0 DAC 0 value 0 0 DAC 1 value 0 0 0 0 DAC 2 value 0 0 DAC 3 value 0 0 0 0 DAC 4 value 0 0 DAC 5 value 0 0 0 0 DAC 0 value 0 0 DAC 1 value 0 0 Io 1 DAC 0 value If you never set EOD the DACs should increment from 0 to 7 wrap to 0 and repeat but this is untested It s a good idea to simply always set EOD on the last DAC s data value 16 Manual USB DA12 8A Loading the array The array is loaded by issuing a vendor request VR B1 to specify the starting location of the next buffer in the SRAM Typically VR B1 with D000 and bank 0 in the parameters refer to the discussion of VR B1 above is the first instruction issued Then EP2 bulk transfers are initiated for the first 64KWords of your waveform file If your waveform is smaller than 64KWords simply load the entire waveform and you ll want EOM or LOOP set to avoid playing uninitialized SRAM If your waveform is smaller than 32KWords you must take an extra step Issue a VR B1 with 1FFE Bank7 then EP2 a single WORD This sets the internal write pointer into the second SRAM This is necessary because the Play po
9. R G M son sar s e con Soe baca 7 5 com ons Blank ajj o 7 8 DAC 4 9 10 Ground Ground DAC conc o M DACE DAC Table 6 1 J4 Control Status 10 Pin IDC Table 6 2 J1 S E Outputs 16 Pin IDC Assignments DB25M Function IDC DB25M Function IDC 2 DAC 1 J1 3 15 Ground J1 4 4 DAC 3 J1 7 17 Ground J1 8 6 DAC 5 J1 11 19 Ground J1 12 8 21 a eo p Jar 2 eoD M2 10 Status J4 3 23 Blank J4 4 12 Interlock J4 7 25 13 Table 6 3 S E Outputs Control Status DB25 Male Connector Pin Assignments 8 Manual USB DA12 8A J4 Signal descriptions Control Status Outputs EOF End of Frame output every time EOF is issued EOD End of DAC output every time DAC starts at 0 STATUS User controlled via Firmware BLANK Output blanking signal from top bits of EOM EOF EOD Inputs EXT TRIGGER To Ctr 0 starts D A conversions PAUSE To gate O of counter INTERLOCK Shutdown Digital Input Firmware controlled LOOP Loops contents of SRAM resets pointer to beginning of SRAM 0 All signals at J4 pass through a line buffer and all input signals are pulled to 5V through 47Kohms each Activate input signals by applying OV or a ground to the associated pin 19 Manual USB DA12 8A IDC 26 Pin ILDA DB25 Compatible DIFFERENTIAL CONNECTOR IDC 26 Pin Header Male m 000000000000 2e DACO 1 2 DACO DAC2 5 6 DAC2 Interconnect 7 8 _ Inte
10. ailure occur ACCES assures its customers that prompt 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 unitis 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 outerlabel 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 l
11. channel is configured individually for the following output possibilities AR CA EEE Differential Outputs J3 These are the Differential DAC outputs Control and Monitoring J4 This 10 pin connector provides an alternate means to start and stop the ARB and monitor it s status Single Ended Outputs J1 These are the Single Ended DAC outputs USB Connector The USB connector on this board is a USB type B LED Light LED indicates Power and Activity 11 Manual USB DA12 8A 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 Ox1605 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 12 Manual USB DA12 8A Chapter 5 Programming The installation program on the CD will install four PDF manuals to your hard drive These are the USB I O Quick Start Guide User Manual Software Reference Manual and super software tech manual Vendor Requests Software Reference Manual Details our various drivers and sample programs in a number of programming languages as well as providing insight into the most optimum combination of language e
12. e Bank 0 through Bank 7 map contiguously to create a OxFFFF byte buffer Writing to the OxFFFFth byte causes the SRAM to toggle to the other SRAM Setupdat 3 is the bank and only 0 7 are valid B1 must be called before endpoint 2 can be used to load the data into the SRAM 13 Manual USB DA12 8A B2 Index holds the counter load value for the RATE counter This divisor controls the rate at which the SRAM will feed out into the DACs A load value of 190h works out to 30KHz update rate B3 reserved for future use B4 this causes the endpoint to lockup until the SRAM switches from the current to the next B5 reserved for future use Endpoint 2 Bulk Data In Does nothing and probably hangs if you haven t called Vendor Request B1 Takes the blocks of data and writes them into the SRAM Don t load more data than the sum of both SRAMs How to use this information To use the card issue a Vendor request BO reset issue a Vendor request B2 to select the rate you want the counters to run then load the onboard memory This board contains two SRAMs each 64KBytes long for a total of 64KWords of onboard storage The board has two internal pointers a play pointer and a write pointer Calling VR B1 sets the write pointer So does issuing a reset via VR BO to zero The play pointer is set to zero in the other SRAM Setting the write pointer to the last spot in SRAM and issuing a write swaps the SRAMs the two pointers refer to
13. e range is 10V peak to peak differential A differential voltage level of 10V shall deflect the laser beam to the bottom of the screen A differential voltage level of 2 15 10V shall deflect the signal to the top of the screen A differential voltage level of OV shall place the beam in the center of the screen vertically A differential voltage of 10V occurs if the normal signal line has a voltage level of 10V with respect to the voltage level of the inverted signal line When compared to the ground level of the differential driver the voltage level of the normal signal line shall be 5V and the voltage level of the inverted signal shall be 5V 3 16 Intensity Intensity Interlock A These are intended to keep the projector from outputting light if inadvertently connected to nonlaser signal sources such as Interlock B SCSI Parallel or serial connectors These signals are also a fail safe should other control measures fail These signals are tied together at the signal source If this loop is broken it is required that projectors close a shutter or turn off the laser or take other actions that prevent light from being emitted from the projector It is important to note that this portion of the ISPDB2S is a projector interlock which may be separate from the remote interlock connector on a laser used with the projector 4 17 Controls the red intensity This is a unipolar analog signal whose voltage range is 5V peak to peak diff
14. erential A differential voltage level of OV shall produce no red output A differential voltage level of 5V shall produce maximum red output A differential voltage of 5V occurs if the normal signal line has a voltage level of 5V with respect to the voltage level of the inverted signal line When compared to the ground level of the differential driver the voltage level of the normal signal line shall be 2 5V and the voltage level of the inverted signal shall be 2 5V 6 19 Controls the green intensity This is a unipolar analog signal whose voltage range is 5V peak to peak differential A differential voltage level of OV shall produce no green output A differential voltage level of 5V shall produce maximum green output A differential voltage of 5V occurs if the normal signal line has a voltage level of 5V with respect to the 7 20 voltage level of the inverted signal line When compared to the ground level of the differential driver the voltage level of the normal signal line shall be 2 5V and the voltage level of the inverted signal shall be 2 5V Controls the blue intensity This is a unipolar analog signal whose voltage range is 5V peak to peak differential A differential voltage level of OV shall produce no blue output A differential voltage level of 5V shall produce maximum blue output A differential voltage of 5V occurs if the normal signal line has a voltage level of 5V with respect to the voltage level of the inverted
15. iability 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 ifin 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 Otherthan the above no other warranty expressed or implied shall apply to any and all such equipment furnished or sold by ACCES 3 Manual USB DA12 8A Table of Contents Chapter 1 Introduction sir ck ve A AR A Features tra a a Toe tia E oe eee a dt een eee Applications sssi riano ind a aa ea dl ae bind be eae a Rg ee 5 Functional Description o oo oooo oo Model Options annann Special Order Included with your shipment 2 4 danes eee e a se ia E ban eek Optional Accessories 0 0 0 e E eee eee eee Specifications cake a eee RR a dd a a Gb Sa ee we Ra Chapter 2 Installation lt lt lt 3 3598 565200 Tai see veneers eee be pee 9 Software CD Installation 2 0 0 ee eee eee eens 9 Hardware Installation 20 0 0 en ee eee eee ee eee 9
16. inter is always in the SRAM you re NOT writing into If your waveform is smaller than 64KWords there is no streaming needed simply issue a VR BO run command to cause the DACs to start outputting data If your waveform is larger than the onboard memory load more than one 32KWords but less than 64KWords with your file then issue a run then continue loading your file The EP2 Bulk transfers to load the SRAM will hang until there is room in the SRAM for more data Your code must handle this apparent lockup Multithreaded is recommended 17 Manual USB DA12 8A Chapter 6 Connector Pin Assignments Three header connectors provide a means to interface with the on board signals There is a 26 pin header for differential analog outputs a 16 pin header for single ended analog outputs and a 10 pin header for control and status of the board s functions When ordered as a standard unit no options selected the board is installed in a steel powder coated enclosure with mounted DB25 connectors One ADAP25 screw terminal accessory is included and can be plugged onto the single ended outputs control and status DB25M male connector The second DB25F female is the opposite of the first to avoid plugging onto the wrong connector which has a different pinout than the first IDC 10 Pin IDC 16 Pin CONTROL amp STATUS CONNECTOR SINGLE ENDED CONNECTOR IDC 16 Pin Header Male IDC 10 Pin Header Male 2FE 1 210 1 elelelelelefele 45 EEEE
17. l DACs interleaved The simplest possible array would look like this 0 0 DAC 0 value 0 DAC 2 value o p eseu aaa 0 DAC 4 value f K 0 DAC 6 value 1 o Jo DAC 7 value Running this movie would cause the card to initialize the 8 dac values then stop effectively creating a DC output on all DACs Note you could have cleared EOM and set LOOP for the same effect but you would then waste cycles repeating the same DC data o ojojojojo ojojo ojo jojo If you wanted to produce a square wave on all DACs you could double the waveform buffer and loop 0 DAC 0 value 0 DAC 2 value o p egee aaa 0 DAC 4 value RS _ 0 DAC 6 value 0 FR 0 value 0 DAC 2 value o p egee aa 0 DAC 4 value AA ooo DAC 6 value Lo TORO val o DAC 7 value o ojo ojo ojojojojojojojojojojojojo ojojojojojojojo fant i o 15 Manual USB DA12 8A If you don t want to use all 8 DACs you can set EOD on the last DAC you do want to use If you were using 3 DACs your waveform array might look like this 0 0 DAC 0 value 0 0 0 0 DAC 1 value 0 0 DAC 2 value 0 0 0 0 DAC 0 value 0 0 DAC 1 value 0 0 1 DAC 2 value This EOD functionality allows complex relationships between rates of output If DAC 1 is going to output at one third the rate of DAC 0 DAC 0 value 0 DAC 0 value 4 ojo ojo _ 0 0 DAC 0 value 0 0 1 0 DAC 1 value 0 0 DAC 0 value
18. low WIN95 98 Me NT 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 d install click OK or press Er C Follow the on screen prompts to install the software for this board Hardware Installation The USB DA12 8A board can be installed in any USB 2 0 or USB 1 1 port Please refer to the USB I O Quick Start Guide which can be found on the CD for specific quick steps to complete the hardware and software installation USB I O Quick Start Guide Provides quick and straight forward steps to complete the software and hardware installation of this product in your system 9 Manual USB DA12 8A Chapter 3 Option Selection Refer to the setup programs on the CD provided with the board Also refer to the Block Diagram and the Option Selection Map when reading this section of the manual 0 30 0 20 0 20 DAC OUTPUT RANGE SELECT BIP UNI 0 20 0 20 0 20 Figure 3 1 Option Selection Map 10 Manual USB DA12 8A DC Power Jack This is the DC input connector used to provide a regulated 5V power supply to the card without using the USB bus Be sure to order option PR so this wall adaptor will be included with your shipment Output Voltage Range Jumpers Use the jumpers to select the range that you wish to use Each
19. nvironment OS and hardware selection available Vendor Requests This file provides information on a RAW USB INTERFACE for very low level programming generally in Operating Systems other than Windows USB DA12 8A Vendor Request document text This device was originally designed for ILDA waveform playback ILDA is used heavily in the laser movie environment for laser light shows As a result much of the terminology used in this document refers to a movie file In every case where movie occurs you can use waveform just as precisely Where you see movie centric terms like play you can substitute start or run Vendor Specific endpoint 0 control Requests BO B1 B2 B3 B4 and B5 hex are defined by the firmware Just to define some terms setupdat 5 is MSB of index setupdat 4 is LSB of index setupdat 3 is MSB of value setupdat 2 is LSB of value Endpoint 0 Vendor Requests BO One byte passed down in Value setupdat 2 Bit 7 is reset d6 is pause dO is play If D7 is set the cpld is reset run is stopped and the LEDs are reset to off If D6 is set nothing particular happens This bit is reserved for future use If DO is set the DAC reference voltage is woken up voltage starts coming out the DACs and the SRAM starts playing B1 setupdat 4 is LSB and setupdat 5 is MSB of the location in the onboard SRAM that bulk transfers should load into Each bank is Ox1FFF in siz
20. rcommect Table 6 4 J3 Differential Analog Outputs 26 Pin IDC Assignments DB25F Function IDC IDC Function DB25F 1 DAC 0 2 DAC 0 14 2 DAC 1 4 DAC 1 15 3 DAC 2 6 DAC 2 16 4 Interlock 8 Interlock 17 5 DAC 3 10 DAC 3 18 6 DAC 4 11 12 DAC 4 19 7 DAC 5 13 14 DAC 5 20 NX Ojuo co 8 DAC 6 15 16 DAC 6 21 9 DAC 7 17 18 DAC 7 22 10 N C 19 20 N C 23 11 N C 21 22 N C 24 12 N C 23 24 N C 25 NIC Table 6 5 Differential Analog Outputs DB25F Connector Pin Assignments 20 Manual USB DA12 8A ILDA DB 25 Pinout and Signal Description Standard Excerpts pin Signal Names Signal Description 1 14 X X Controls the horizontal beam position This is a bipolar analog signal whose voltage range is 10V peak to peak differential A differential voltage level of 10V shall deflect the laser beam to the left side of the projection area A differential voltage level of 10V shall deflect the signal to the right side A differential voltage of 10V occurs if the normal signal line has a voltage level of 10V with respect to the voltage level of the inverted signal line When compared to the ground level of the differential driver the voltage level of the normal signal line shall be 5V and the level of the inverted signal shall be 5V Y Y Controls the vertical beam position This is a bipolar analog signal whose voltag
21. ugged industrial environments but is small enough to fit nicely onto any desk or testing station The board is PC 104 sized 3 550 by 3 775 inches and ships inside a steel powder coated enclosure with an anti skid bottom Model Options USB DA12 8A Module installed in an enclosure with two 2 DB25 I O connectors and one 1 screw terminal accessory ADAP25 OEM Board only version with I O headers PR Power Adaptor AC DC 5V regulated Special Order Resistors in series with differential connector for impedance matching contact factory with your requirement Included with your shipment The following components are included with your shipment depending on options ordered Please take the time now to ensure that no items are damaged or missing USB DA12 8A ADAP25 Screw Terminal Adaptor qty 1 6 USB cable 115VAC to 5VDC Regulated Power Supply wall adaptor Software Master CD USB I O Quick Start Guide Optional Accessories o ADAP25 M Screw Terminal Adaptor an additional unit could be needed if you intended on using the Single Ended and the Differential Analog Outputs o DIN DIN Rail Mounting Provision 6 Manual USB DA12 8A Specifications Analog Outputs Number of Outputs Type of Outputs Resolution Unipolar Ranges Bipolar Ranges Conversion Rate Relative Accuracy Differential Non linearity Settling Time Output Current Bus Type Environmental Operating Temperature Storage Temperature Humidity
22. va ACCES I O PRODUCTS INC 10623 Roselle Street San Diego CA 92121 858 550 9559 Fax 858 550 7322 ontactus accesio co www accesio com MODEL USB DA12 8A Eight Channel Digital to Analog Converter with ARB Arbitrary Waveform Generator USER MANUAL FILE MUSB DA12 8A B1d Distributed by aan EUROPE europe co 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 2005 2007 by ACCES I O 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 1 0 CARD AND WILL VOID ALL WARRANTIES IMPLIED OR EXPRESSED 2 Manual USB DA12 8A Warranty Prior to shipment ACCES equipmentis thoroughly inspected and tested to applicable specifications However should equipment f
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