National Instruments NI USB-6509 - Manual

© National Instruments Corporation 5 NI 6509 User Guide and Specifications Panel Mounting To 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 p...

NI 6509 User Guide and Specifications 6 ni.com Hardware Overview Figure 4 shows the key functional components of the NI USB-6509. 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 Guidelines section of this docu...

© National Instruments Corporation 7 NI 6509 User Guide and Specifications Programming Devices in Software National Instruments measurement devices for USB are packaged with NI-DAQ driver software, an extensive library of functions and VIs you can call from your application software, such as LabVIEW...

NI 6509 User Guide and Specifications 8 ni.com Related Documentation The following documents contain information that you may find helpful as you use this user guide: • NI-DAQmx for USB Getting Started Guide —This guide describes how to install the NI-DAQmx software, the DAQ device, and how to confi...

© National Instruments Corporation 9 NI 6509 User Guide and Specifications Figure 6. Pin Assignments for the NI USB-6509 using the SH100-100-F Refer to the Signal Descriptions section for information about the signals available on this connector. +5 V P 3 .0 P0.0 P 3 .1 P0.1 P 3 .2 P0.2 P 3 . 3 P0. ...

NI 6509 User Guide and Specifications 10 ni.com R1005050 Pin Assignments Figure 6 shows the pin assignments for the NI USB-6509 using the R1005050 cable. The naming convention for each pin is P X . Y , where X is the port (P) number, and Y is the line number or name. Figure 7. Pin Assignments for th...

© National Instruments Corporation 11 NI 6509 User Guide 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.&l...

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

© National Instruments Corporation 13 NI 6509 User Guide and Specifications conditioning solutions for digital applications requiring high current drive. • If you configure a DIO line as an input, do not drive the line with voltages outside of its normal operating range. • Treat the DAQ device as yo...

NI 6509 User Guide and 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 default, all DIO lines are high. To pull one channel low, complete the following steps: 1. Install a load (R L ). Rem...

© National Instruments Corporation 15 NI 6509 User Guide and Specifications Also, make sure the pull-up resistor value is not so large that leakage current from the DIO line brings the voltage at the resistor below a TTL-high level of 2 V. Figure 10. DIO Channel Configured for Low DIO State with Ext...

NI 6509 User Guide and Specifications 16 ni.com The NI USB-6509 has a current-sense circuit on VBUS (USB power rail). If the output channels source more than the specified current, the current is limited. The two following occurrences indicate an overcurrent condition: • The inputs/outputs are disab...

© National Instruments Corporation 17 NI 6509 User Guide and Specifications Protecting Inductive Loads When inductive loads are connected to outputs, a large counter-electromotive force may occur at switching time because of the energy stored in the inductive load. These flyback voltages can damage ...

NI 6509 User Guide and Specifications 18 ni.com Figure 14. NI USB-6509 Sourcing Connection Example, <24 mA Driving a Relay >24 mA Figures 15 and 16 are examples of connecting the NI USB-6509 to a relay that requires more than 24 mA of current. These examples use an additional transistor circui...

© National Instruments Corporation 19 NI 6509 User Guide and Specifications Driving SSRs Figure 17 shows an example of connecting the NI USB-6509 to a solid-state relay (SSR). Figure 17. NI USB-6509 SSR Connection Example LED Indicator The LED indicator, located on the device back panel, indicates d...

NI 6509 User Guide and Specifications 20 ni.com +5 V Power Available at I/O Connector Pins 49 and 99 supply +5 V power to the I/O connector. The power drawn from these two pins shares the power consumption with the transceivers. The I/O connector power has a fuse for overcurrent protection. This fus...

NI 6509 User Guide and Specifications 22 ni.com Programmable Power-Up States At power-up, the output drives on the NI USB-6509 are disabled. All lines are user-configurable for high-impedance input, high output, or low output. User-configurable power-up states are useful for ensuring that the NI USB...

© National Instruments Corporation 23 NI 6509 User Guide and Specifications Change Detection Example Table 4 shows 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 de...

NI 6509 User Guide and Specifications 24 ni.com The expiration signal that indicates an expired watchdog continues to assert until the watchdog is disarmed. After the watchdog timer expires, the NI USB-6509 ignores any writes until the watchdog timer is disarmed. Note When the watchdog timer is enab...

© National Instruments Corporation 25 NI 6509 User Guide and Specifications Power-on state ........................................ Configured as inputs, pull-up/pull-down (selectable on the back panel switch) Pull-up/pull-down resistor...................... 100 k Ω ±5% Data transfers .................

NI 6509 User Guide and Specifications 26 ni.com The total current sinking/sourcing from one port cannot exceed 100 mA. Total current sourced by all DO lines simultaneously should not exceed 215 mA for bus-powered configuration. If more sourcing current is required, use an optional external power sup...

© National Instruments Corporation 27 NI 6509 User Guide and Specifications Safety This product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 Note Fo...

NI 6509 User Guide and Specifications 28 ni.com CE Compliance This product meets the essential requirements of applicable European Directives, as amended for CE marking, as follows: • 2006/95/EC; Low-Voltage Directive (safety) • 2004/108/EC; Electromagnetic Compatibility Directive (EMC) Note Refer t...

© National Instruments Corporation 29 NI 6509 User Guide and Specifications Safety Guidelines Caution Operate the hardware only as described in these operating instructions. The following section contains important safety information that you must follow when installing and using the NI USB-6509. Do...

NI 6509 User Guide and Specifications 30 ni.com Operate the device at or below the Measurement Category I 1 . Measurement circuits are subjected to working voltages 2 and transient stresses (overvoltage) from the circuit to which they are connected during measurement or test. Measurement categories ...

National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their resp...