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DAQPad

™

-6507/6508

User Manual

Digital I/O Devices for USB

DAQPad-6507/6508 User Manual

December 1998 Edition

Part Number 321724B-01

Содержание DAQPad-6508

Страница 1: ...QPad 6507 6508 User Manual Digital I O Devices for USB DAQPad 6507 6508 User Manual December 1998 Edition Part Number 321724B 01 Copyright 1997 1998 National Instruments Corporation All rights reserve...

Страница 2: ...36 Canada Ontario 905 785 0085 Canada Qu bec 514 694 8521 Denmark 45 76 26 00 Finland 09 725 725 11 France 01 48 14 24 24 Germany 089 741 31 30 Hong Kong 2645 3186 Israel 03 6120092 Italy 02 413091 Ja...

Страница 3: ...S OR INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF ADVISED OF THE POSSIBILITY THEREOF This limitation of the liability of National Instruments will apply regardless of the form of action whether in cont...

Страница 4: ...rogramming Choices 1 2 National Instruments Application Software 1 3 NI DAQ Driver Software 1 4 Optional Equipment 1 5 Custom Cabling 1 6 Unpacking 1 6 Chapter 2 Installation and Configuration Softwar...

Страница 5: ...5 Chapter 4 Theory of Operation Interrupt Control Circuitry 4 2 USB Microcontroller 4 2 82C55A Programmable Peripheral Interface 4 2 Digital I O Connector 4 3 Appendix A Specifications Appendix B OKI...

Страница 6: ...50 of the DAQPad 6508 I O Connector 3 5 Figure 3 4 Cable Assembly Connector Pin Assignments for Pins 51 through 100 of the DAQPad 6508 I O Connector 3 6 Figure 3 5 Digital I O Connections 3 7 Figure...

Страница 7: ...ustom cables and explains how to unpack the DAQPad 6507 and DAQPad 6508 Chapter 2 Installation and Configuration describes how to install and configure the DAQPad 6507 and DAQPad 6508 devices Chapter...

Страница 8: ...55A OKI Semiconductor CMOS programmable peripheral interface Angle brackets containing numbers separated by an ellipses represent a range of values associated with a bit or signal name for example ACH...

Страница 9: ...n about the DAQ hardware that plugs into or is connected to your computer Use these manuals for hardware installation and configuration instructions specification information about your DAQ hardware a...

Страница 10: ...l reference manual USB Specification Revision 1 1 Customer Communication National Instruments wants to receive your comments on our products and manuals We are interested in the applications you devel...

Страница 11: ...upt requests to the host computer You can program the 82C55A for almost any 8 bit or 16 bit digital I O application All communication is through a standard 100 pin female connector for the DAQPad 6508...

Страница 12: ...ter can serve as a digital I O system controller for laboratory testing production testing and industrial process monitoring and control Detailed specifications of the DAQPad 6507 and DAQPad 6508 devi...

Страница 13: ...dows CVI Data Acquisition Library a series of functions for using LabWindows CVI with National Instruments DAQ hardware is included with the NI DAQ software kit The LabWindows CVI Data Acquisition Lib...

Страница 14: ...I O functions for maximum ease of use and low level DAQ I O functions for maximum flexibility and performance Examples of high level functions are streaming data to disk or acquiring a certain number...

Страница 15: ...w terminals SCXI modules and accessories for isolating amplifying exciting and multiplexing signals from up to 3 072 channels for relays and analog output Low channel count signal conditioning modules...

Страница 16: ...with your DAQPad device This accessory includes two 50 conductor flat ribbon cables and a connector block You can attach signal input and output wires to screw terminals on the connector block and th...

Страница 17: ...atest version of NI DAQ install it from the CD that ships with your device To install NI DAQ refer to your NI DAQ release notes Find the installation section for your operating system and follow the i...

Страница 18: ...or DAQPad 6508 Your computer should detect your DAQPad device immediately and when the computer recognizes your DAQPad device the LED on the front panel blinks or lights up depending on the status of...

Страница 19: ...on Off Off or in the low power suspend mode Your DAQPad device is turned off or in the low power suspend mode 2 blinks Addressed state This pattern is displayed if the host computer detects your DAQPa...

Страница 20: ...erating system enables the instrument for operation Refer to your software documentation for more information Power Considerations The DAQPad device remains powered up only when the USB cable connects...

Страница 21: ...put channels will be static at a fixed voltage Note Refer to the Set_DAQ_Device_Info function in the NI DAQ Function Reference Manual to change the settings that determine the behavior of your DAQPad...

Страница 22: ...ription of each signal in this section includes information about maximum input ratings National Instruments is not liable for any damages resulting from any inaccurate signal connections To learn mor...

Страница 23: ...5 24 74 23 73 22 72 21 71 20 70 19 69 18 68 17 67 16 66 15 65 14 64 13 63 12 62 11 61 10 60 9 59 8 58 7 57 6 56 5 55 4 54 3 53 2 52 1 51 GND GND 5 V 5 V BPA0 DPA0 APA0 CPA0 BPA1 DPA1 APA1 CPA1 BPA2 DP...

Страница 24: ...the LSB 34 36 38 40 42 44 46 48 BPA 7 0 Bidirectional Data Lines for Port A of PPI B BPA7 is the MSB BPA0 the LSB 51 53 55 57 59 61 63 65 CPC 7 0 Bidirectional Data Lines for Port C of PPI C CPC7 is...

Страница 25: ...an assembly of two 50 pin cables and three connectors Both cables are joined to a single connector on one end and to individual connectors on the free ends The 100 pin connector that joins the two cab...

Страница 26: ...nector 5 V APA0 APA1 APA2 APA3 APA4 APA5 APA6 APA7 APB0 APB1 APB2 APB3 APB4 APB5 APB6 APB7 APC0 APC1 APC2 APC3 APC4 APC5 APC6 APC7 GND BPA1 BPA2 BPA4 BPA5 BPA6 BPA7 BPA0 BPA3 BPB0 BPB1 BPB2 BPB3 BPB4...

Страница 27: ...nnector 5 V CPA0 CPA1 CPA2 CPA3 CPA4 CPA5 CPA6 CPA7 CPB0 CPB1 CPB2 CPB3 CPB4 CPB5 CPB6 CPB7 CPC0 CPC1 CPC2 CPC3 CPC4 CPC5 CPC6 CPC7 GND DPA1 DPA2 DPA4 DPA5 DPA6 DPA7 DPA0 DPA3 DPB0 DPB1 DPB2 DPB3 DPB4...

Страница 28: ...utput and PPI C port B is configured for digital input Digital input applications include receiving TTL signals and sensing external device states such as the state of the switch in Figure 3 5 Digital...

Страница 29: ...any device from using more than 0 5 A If you are running from USB power that is if your external power source is not plugged in you have only 150 mA to drive signals and supply power for your circuitr...

Страница 30: ...to TTL logic levels or you can let the lines float and tie them all high or low as necessary High DIO State If you select the pulled high mode each DIO line will be pulled to VCC 5 VDC with a 100 k re...

Страница 31: ...ximum of 0 4 V on the DIO line at power up You can substitute smaller resistor values but they will draw more current leaving less drive current for other circuitry connected to this line The 7 1 k re...

Страница 32: ...maximum sink current I V I RL RL V I where V 2 2 V is the voltage across RL I 28 A 10 A is the 2 8 V across the 100 k pull up resistor and 10 A from 82C55A leakage current Therefore RL 5 7 k is the 2...

Страница 33: ...e indicates that the data written to the port has been accepted This signal is a response from the external device indicating that it has received the data from the DAQPad 6507 6508 devices OBF Output...

Страница 34: ...llustrates the timing specifications for an input transfer in mode 1 Name Description Minimum Maximum T1 STB pulse width 100 T2 STB 0 to IBF 1 150 T3 Data before STB 1 20 T4 STB 1 to INTR 1 150 T5 Dat...

Страница 35: ...owing figure illustrates the timing specifications for an output transfer in mode 1 Name Description Minimum Maximum T1 WR 0 to INTR 0 250 T2 WR 1 to output 200 T3 WR 1 to OBF 0 150 T4 ACK 0 to OBF 1...

Страница 36: ...tional transfers in mode 2 Name Description Minimum Maximum T1 WR 1 to OBF 0 150 T2 Data before STB 1 20 T3 STB pulse width 100 T4 STB 0 to IBF 1 150 T5 Data after STB 1 50 T6 ACK 0 to OBF 1 150 T7 AC...

Страница 37: ...pply Controls Firmware EEPROM SRAM Serial Configuration EEPROM External Power 5 V Supply Power Supply Controls Power Supply Switch Port A Port B Port C Terminal Blocks 100 POS USB Interface 82C55 PPI...

Страница 38: ...rocontroller The USB controller is a special microcontroller that has circuitry necessary to transmit and receive data over USB itself It maintains information about the status of the bus and follows...

Страница 39: ...p for the DAQPad 6507 Pins 49 and 99 are connected to 5 V through a self restarting protection fuse F1 See Figure 4 1 for its location This 5 V supply is often required to operate I O module mounting...

Страница 40: ...Compatibility TTL Absolute max voltage rating 0 5 to 5 5 V with respect to GND Handshaking Requires 1 port Power on state Configured as inputs high selectable on the front panel switch Data transfers...

Страница 41: ...power supply connected you have only 150 mA of current available to drive all outputs including DIO lines Transfer rates Up to 60 S s Power Requirement External 9 to 30 VDC 12 W max USB 4 40 to 5 25...

Страница 42: ...manufacturer data sheet for the OKI 82C55A1 OKI Semiconductor CMOS programmable peripheral interface This interface is used on the DAQPad 6507 6508 devices 1 Copyright OKI Semiconductor 1993 Reprinte...

Страница 43: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 2 National Instruments Corporation...

Страница 44: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 3 DAQPad 6507 6508 User Manual...

Страница 45: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 4 National Instruments Corporation...

Страница 46: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 5 DAQPad 6507 6508 User Manual...

Страница 47: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 6 National Instruments Corporation...

Страница 48: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 7 DAQPad 6507 6508 User Manual...

Страница 49: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 8 National Instruments Corporation...

Страница 50: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 9 DAQPad 6507 6508 User Manual...

Страница 51: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 10 National Instruments Corporation...

Страница 52: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 11 DAQPad 6507 6508 User Manual...

Страница 53: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 12 National Instruments Corporation...

Страница 54: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 13 DAQPad 6507 6508 User Manual...

Страница 55: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 14 National Instruments Corporation...

Страница 56: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 15 DAQPad 6507 6508 User Manual...

Страница 57: ...Appendix B OKI 82C55A Data Sheet DAQPad 6507 6508 User Manual B 16 National Instruments Corporation...

Страница 58: ...Appendix B OKI 82C55A Data Sheet National Instruments Corporation B 17 DAQPad 6507 6508 User Manual...

Страница 59: ...n and Configuration How do I know if my version of Windows supports USB Look in the System properties in the control panel The Device Manager tab should list a Universal Serial Bus Controller along wi...

Страница 60: ...rmation Digital I O What are the power on states of the PPI and DIO lines on the I O connector At system power on and reset both the PPI and DIO lines are set to high impedance by the hardware This me...

Страница 61: ...stems does not answer your questions we offer fax and telephone support through our technical support centers which are staffed by applications engineers Electronic Services Bulletin Board Support Nat...

Страница 62: ...nts office in your country contact the source from which you purchased your software to obtain support Country Telephone Fax Australia 03 9879 5166 03 9879 6277 Austria 0662 45 79 90 0 0662 45 79 90 1...

Страница 63: ...___ Instruments used _________________________________________________________________ _______________________________________________________________________________ National Instruments hardware pro...

Страница 64: ...____________________________________________________ DMA channels of other boards _____________________________________________________ Interrupt level of other boards _______________________________...

Страница 65: ...____________ _______________________________________________________________________________ _______________________________________________________________________________ ___________________________...

Страница 66: ...er Manual Glossary Prefix Meanings Value p pico 10 12 n nano 10 9 micro 10 6 m milli 10 3 k kilo 103 M mega 106 G giga 109 Symbols Numbers percent plus or minus degrees per positive of or plus negativ...

Страница 67: ...at too low a sampling rate ALU arithmetic logic unit the element s in a processing system that perform s the mathematical functions such as addition subtraction multiplication division inversion AND O...

Страница 68: ...coded decimal binary a number system with a base of 2 BIOS basic input output system or built in operating system bipolar a signal range that includes both positive and negative values for example 5 V...

Страница 69: ...signal Analog signals can be single ended or differential For digital signals you group channels to form ports Ports usually consist of either four or eight digital channels channel clock the clock co...

Страница 70: ...for analog or digital output signals D DAC digital to analog converter an electronic device often an integrated circuit that converts a digital number into a corresponding analog voltage or current da...

Страница 71: ...w value becomes the new setting You can set default settings for some parameters in the configuration utility or manually using switches located on the device device a plug in DAQ board card or pad th...

Страница 72: ...han one controller or processor dynamic range the ratio of the largest signal level a circuit can handle to the smallest signal level it can handle usually taken to be the noise level normally express...

Страница 73: ...re batteries transformers or thermocouples flyby a type of high performance data transfer in which the data bytes pass directly from the source to the target without being transferred to the controlle...

Страница 74: ...generation where a device or module accepts or transfers data after a digital pulse has been received Also called latched digital I O hardware the physical components of a computer system such as the...

Страница 75: ...racteristic of the analog I O circuitry input bias current the current that flows into the inputs of a circuit input impedance the measured resistance and capacitance between the input terminals of a...

Страница 76: ...ort B I O input output IOH current output high IOL current output low IRQ interrupt request ISA Industry Standard Architecture isolation a type of signal conditioning in which you isolate the transduc...

Страница 77: ...lled handshaked digital I O LED light emitting diode library a file containing compiled object modules each comprised of one of more functions that can be linked to other object modules that make use...

Страница 78: ...ace The MITE supports bus mastering for high speed data transfers over the PCI bus MS million samples MSB most significant bit MTBF mean time between failure multiplexed mode an SCXI operating mode in...

Страница 79: ...I O or non handshaking nonreferenced signal sources signal sources with voltage signals that are not connected to an absolute reference or system ground Also called floating signal sources Some commo...

Страница 80: ...he module sends each of its input channels directly to a separate analog input channel of the device to the module passband the range of frequencies which a device can properly propagate or measure pa...

Страница 81: ...I O ports Plug and Play devices devices that do not require DIP switches or jumpers to configure resources on the devices also called switchless devices Plug and Play ISA a specification prepared by...

Страница 82: ...ations can use QuickTime to record and display audio and video in the same way applications use system tools to generate and display text and graphics R RAM random access memory RD read signal real ti...

Страница 83: ...ored and supervised by a PC scan one or more analog or digital input samples Typically the number of input samples in a scan is equal to the number of channels in the input group For example one pulse...

Страница 84: ...ounter input pin where the counter counts the signal transitions SPDT single pole double throw a property of a switch in which one terminal can be connected to one of two other terminals SS simultaneo...

Страница 85: ...for a given continuous operation calculated to include software overhead Throughput Rate Transfer Rate Software Overhead Factor top level VI VI at the top of the VI hierarchy This term is used to dist...

Страница 86: ...tes per second upstream the direction data flow towards the host computer USB Universal Serial Bus V V volts VCC 5 V power supply VDC volts direct current VDMAD virtual DMA driver VEXT external volt V...

Страница 87: ...rocessor or memory manipulates at one time Microprocessors typically use 8 16 or 32 bit words working voltage the highest voltage that should be applied to a product in normal use normally well under...

Страница 88: ...estions C 1 to C 2 ComponentWorks software 1 3 configuration See also installation common questions C 1 to C 2 Plug and Play capability 2 4 connecting power to digital I O lines 3 8 connectors See cab...

Страница 89: ...ding maximum ratings note 3 1 F fax and telephone support numbers D 2 Fax on Demand support D 2 floating DIO state 3 11 FTP support D 1 fuse self resetting 3 8 G GND signal table 3 3 H hardware instal...

Страница 90: ...l specifications A 2 pin assignments cable assembly connectors pins 1 through 50 figure 3 5 pins 51 through 100 figure 3 6 I O connector pin description figure 3 2 Port C pin assignments 3 4 Plug and...

Страница 91: ...struments application software 1 3 NI DAQ driver software 1 4 to 1 5 specifications A 1 to A 2 digital I O A 1 to A 2 environment A 2 physical A 2 power requirements A 2 SSR OAC 5 and SSR OAC 5A outpu...

Страница 92: ...Index National Instruments Corporation I 5 DAQPad 6507 6508 User Manual W WR signal description table 3 12 mode 1 output timing figure 3 14 mode 2 bidirectional timing figure 3 15...

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