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National Instruments NI USB-6509 manual

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Table of contents for the manual

  • Page 1

    USER GUIDE AND SPECIFICATIONS NI USB-6509 This document contains info rmation about using th e National Instruments USB-6509 data acquisition (D A Q) de vice with NI-D A Qmx 8.7 and later . The NI USB-6509 is a bus-po wered 96-channel, digital input/o utput (I/O) device. The NI USB-6509 features 96 TTL/CMOS-compatible digit al I/O lines, a watchdog[...]

  • Page 2

    NI 6509 User Guide an d Specifications 2 ni.com DIO Signal Connection ....... .............. ................. .............. .............. ..16 Protecting Inductive Loads ........ .............. ................. .............. ..........17 Sinking and Sourcing Examples...................... ................. .............. ..17 Driving a Relay &[...]

  • Page 3

    © National Instruments Corporation 3 NI 6509 User Gu id e and Specifications Installing the Hardware The NI-DAQmx for USB Devices Getting Started Guide contains non-software-specific in formation about how to install USB devices. USB Cable Strain Relief The two strain relief o ptions for your USB cable are as follows: • Cable Strain Relief Groov[...]

  • Page 4

    NI 6509 User Guide an d Specifications 4 ni.com For secure desktop use, you can adhere the su pplied rubber no n-skid feet to the underside of the device, as sho wn in Figure 2. Note Do not apply t he rubber feet if you are panel mou nting the NI USB-6509 or stacking multiple NI USB-6509 devices. Figure 2. Applying Rubber Feet to the NI USB-6509 DI[...]

  • Page 5

    © National Instruments Corporation 5 NI 6509 User Gu id e and Specifications Panel Mounting T o mount the NI USB-6509 to a board or panel, complete the following steps while referring to Figure 3. Figure 3. Mounting the NI USB-6509 on a Panel Notes Do not apply the rubber feet to the NI USB-6509 when panel m ounting the device. Apply strain relief[...]

  • Page 6

    NI 6509 User Guide an d Specifications 6 ni.com Hardware Over view Figure 4 shows the key functional components of the NI USB-6 509. Figure 4. NI USB-6509 Block Diagram Figure 5 shows the back panel of the NI USB-6509. Figure 5. NI USB-6509 Back Panel Refer to the Safety G uidelines section of this document for im portant safety information. 1 I/O [...]

  • Page 7

    © National Instruments Corporation 7 NI 6509 User Gu id e and Specifications Programming Devices in Software National Instruments measurement de vices for USB are packaged with NI-DAQ driver software, an extensiv e library of functions and VIs you can call from your application so ftware, such as LabVIEW or LabWindows ™ /CVI ™ , to program all[...]

  • Page 8

    NI 6509 User Guide an d Specifications 8 ni.com Related Documentation The following documents contain information that you may fin d helpful as you use this u ser guide: • NI-DAQmx for USB Getting Started Guide —This gu ide describes how to install the NI-DA Qmx software, the D A Q de vice, and how to confirm that the de vice is operating prope[...]

  • Page 9

    © National Instruments Corporation 9 NI 6509 User Gu id e and Specifications Figure 6. Pin Assignments for the NI USB-6509 using the SH100 -100-F Refer to the Signal D escriptions section for information about the signals av ailable on this connector . +5 V P 3 .0 P0.0 P 3 .1 P0.1 P 3 .2 P0.2 P 3 . 3 P0. 3 P 3 .4 P0.4 P 3 .5 P0.5 P 3 .6 P0.6 P 3 .[...]

  • Page 10

    NI 6509 User Guide an d Specifications 10 ni.com R1005050 Pin Assignments Figure 6 shows the pin assignments for the NI USB-6509 usin g the R1005050 cable. The naming con vention for each pin is P X . Y , where X is the port (P) number , and Y i s the line number or name. Figure 7. Pin Assignments for the NI USB-6509 using the R1005050 Refer to the[...]

  • Page 11

    © National Instruments Corporation 11 N I 6509 User Guid e and Specifications Signal Descriptions Table 1 lists the signals and descriptions for all signals available on the NI USB-6509 device. Table 1. NI USB-6509 Signal Descriptions Pin Signal Name Description MSB LSB 1, 3, 5, 7, 9, 11, 13, 15 P2.<7..0> Bi-directional data lines f or port [...]

  • Page 12

    NI 6509 User Guide an d Specifications 12 ni.com Digital I/O Static DIO on NI USB-6509 Devices Y ou can use each of the NI USB-6509 DIO lines as a static digital input (DI) or digital output (DO ) line. Y ou can use static DIO lines to monitor or control digital signals. Each DIO port can be configured as a DI or DO port. All samples of static D I [...]

  • Page 13

    © National Instruments Corporation 13 N I 6509 User Guid e and Specifications conditioning solution s for digital application s requiring high current dri ve. • If you conf igure a DIO line as an input, do not dri ve the line with voltages outside of its normal operat ing range. • T reat the D A Q device as you would treat any static sensitiv [...]

  • Page 14

    NI 6509 User Guide an d Specifications 14 ni.com Figure 9. DIO Channel Configured for High DIO State with External Load Example: At power up, the device is configured for input and, by defau lt, all DIO lines are high. To pull one ch annel low, complete the following steps: 1. Install a load (R L ). Remember that the smaller the resistance, the gre[...]

  • Page 15

    © National Instruments Corporation 15 N I 6509 User Guid e and Specifications Also, make sure the pull-up resistor value is not so large that leakage current from the DIO line br ings the voltage at the re sistor below a TTL-high le vel of 2 V . Figure 10. DIO Channel Configured for Low DIO State with External Load Example: The switch is set in th[...]

  • Page 16

    NI 6509 User Guide an d Specifications 16 ni.com The NI USB -6509 has a current-sense ci rcuit on VBUS (USB p ower rail). If the output channels source more than the specif ied current, the current is limited. The two following occurrences indicate an ov ercurrent conditio n: • The inputs/outputs are d isabled • The LED on the back panel is bli[...]

  • Page 17

    © National Instruments Corporation 17 N I 6509 User Guid e and Specifications Protecting Inductive Loads When inductive loads are co nnected to outputs, a large counter-electromotive force may occu r at switching time because of the energy stored in the inductive load. These flyback voltages ca n damage the outputs and/or the power supply. T o lim[...]

  • Page 18

    NI 6509 User Guide an d Specifications 18 ni.com Figure 14. NI USB-6509 Sourcing Connection Example, <24 mA Driving a Relay >24 mA Figures 1 5 and 16 are examples of connecting the N I USB-6 509 to a relay that requires more than 24 mA of current. These examples use an additional transistor circuit. Figure 15. NI USB-6509 Sinking Connection E[...]

  • Page 19

    © National Instruments Corporation 19 N I 6509 User Guid e and Specifications Driving SSRs Figure 17 shows an example of connecting the NI U SB-6509 to a solid-state relay (SSR). Figure 17. NI USB-6509 SSR Connection Example LED Indicator The LED indicator , located on the de vice back panel, indicates de vice status. T able 2 sho ws the behavior [...]

  • Page 20

    NI 6509 User Guide an d Specifications 20 ni.com +5 V Power A vailable at I/O Connector Pins 49 and 99 su pply +5 V po wer to the I/ O connector . The po wer dra wn from these two pins shares the po we r consumption with the transceive rs. The I/O connector power has a fuse for ov ercurrent protection. This fuse is not customer replaceable. If the [...]

  • Page 21

    © National Instruments Corporation 21 N I 6509 User Guid e and Specifications Internally , the filter uses two clocks: the sample clock and the filter clock. The sample clock has a frequency of 48 MH z that corresponds to a period of 20.83 ns. The f ilter clock is generated by a counter and has a period equal to one half of the specified timing in[...]

  • Page 22

    NI 6509 User Guide an d Specifications 22 ni.com Programmable Power -Up States At power -up, the output dri ves on the NI USB-6509 are disabled. Al l lines are user-conf igurable for high-im pedance input, high ou tput, or low output. User-c onfigurable po wer-up states are useful for ensuring that the NI USB-6509 powers up in a kno wn state. T o u[...]

  • Page 23

    © National Instruments Corporation 23 N I 6509 User Guid e and Specifications Change Detection Example T able 4 sho ws a change detection example for six bits of one port. This example assumes the following line connections: • Bits 7, 6, 5, and 4 are connected to data lines from a four-bit TTL output device. The NI USB-6509 detects any change in[...]

  • Page 24

    NI 6509 User Guide an d Specifications 24 ni.com The expiration signal that indicates an expired watchdog continues to assert until the watchdog is disarmed. After the watchdo g timer expires, the NI USB-6509 ignores any writes until the watchdog timer is disarmed. Note When the watchdog timer is enabled and the com puter enters a fault condition, [...]

  • Page 25

    © National Instruments Corporation 25 N I 6509 User Guid e and Specifications Power-on state .............. ................. ......... Configured as inputs, pull-up/pull-down (select able on the back panel switch ) Pull-up/pull-down resistor..................... . 100 k Ω ±5% Data transfers ............... .............. ............ Programmed[...]

  • Page 26

    NI 6509 User Guide an d Specifications 26 ni.com The total current sinking/sourcing from one port cannot exceed 100 mA. T otal current sourced b y all DO line s simultaneously should not e xceed 215 mA for bus-po wered configuration. If more sourcing current is required, use an option al external power supply +5V power available at I/O connector (p[...]

  • Page 27

    © National Instruments Corporation 27 N I 6509 User Guid e and Specifications Safety This product is designed to meet the requirements of the follow ing standards of safety for electrical e quipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 Note For UL and other safety certifications, ref[...]

  • Page 28

    NI 6509 User Guide an d Specifications 28 ni.com CE Compliance This product meets the essential re quirements of applicable European Directives, as amended for CE markin g, as follows: • 2006/95/EC; Lo w-V oltage Directiv e (safety) • 2004/108/EC; Elect romagnetic Compatibility Directive (EMC) Note Refer to the Declaration of Conformity (DoC) f[...]

  • Page 29

    © National Instruments Corporation 29 N I 6509 User Guid e and Specifications Safety Guidelines Caution Operate the hardware only as describe d in these operating instructions. The following section contains important safety infor mation that you must follow when installing and using the NI USB-6509. Do not operate the NI USB-6509 in a manner not [...]

  • Page 30

    NI 6509 User Guide an d Specifications 30 ni.com Operate the device at or belo w the Measurement Cate gory I 1 . Measurement circuits are subjected to working v oltages 2 and transient s tresses (overv oltage) from the circuit to which they are connected during measurement or test. Measurement cat egories establish standard impulse withstand voltag[...]

  • Page 31

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