National Instruments NI 6509 - Manual

NI 6509 User Guide and Specifications 6 ni.com • Measurement Category II is for measurements performed on circuits directly connected to the electrical distribution system. This category refers to local-level electrical distribution, such as that provided by a standard wall outlet (for example, 115 ...

© National Instruments Corporation 7 NI 6509 User Guide and Specifications Features The NI 6509 features digital filtering, programmable power-up states, change detection, and a watchdog timer. Digital Filtering Use the digital filter option available on the NI 6509 input lines to eliminate glitches...

NI 6509 User Guide and Specifications 8 ni.com Digital Filtering Example Figure 2 shows a filter configuration with an 800 ns filter interval (400 ns filter clock). Figure 2. Digital Filtering Example In periods A and B, the filter blocks the glitches because the external signal does not remain stea...

© National Instruments Corporation 9 NI 6509 User Guide and Specifications Change Detection You can program the NI 6509 to send an interrupt when a change occurs on any input line. The NI 6509 can monitor changes on selected input lines or on all input lines. It can monitor for rising edges (0 to 1)...

NI 6509 User Guide and Specifications 10 ni.com 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 6509 detects any change in the input data so you can read the new data value. • Bit 1 is connected to a lim...

© National Instruments Corporation 11 NI 6509 User Guide and Specifications Digital I/O Connections The 100-pin high-density SCSI connector on the NI 6509 provides access to 96 digital inputs and outputs. Use this connector to connect to external devices, such as solid-state relays (SSRs) and LEDs. ...

NI 6509 User Guide and Specifications 12 ni.com Figure 3. SH100-100-F Connector Pinout Refer to the Signal Descriptions section for information about the signals available on this connector. +5 V P3.0 P0.0 P3.1 P0.1 P3.2 P0.2 P3.3 P0.3 P3.4 P0.4 P3.5 P0.5 P3.6 P0.6 P3.7 P0.7 P4.0 P1.0 P4.1 P1.1 P4.2...

© National Instruments Corporation 13 NI 6509 User Guide and Specifications R1005050 Connector Figure 4 shows the pin assignments for the R1005050 cable when connecting to the NI 6509 device. The naming convention for each pin is P X . Y , where X is the port (P) number, and Y is the line number or ...

NI 6509 User Guide and Specifications 14 ni.com Signal Descriptions Table 3 lists the signals and descriptions for all signals available on the NI 6509 device. Table 3. NI 6509 Signal Descriptions Pin Signal Name Description MSB LSB 1, 3, 5, 7, 9, 11, 13, 15 P2.<7..0> Bi-directional data lines...

© National Instruments Corporation 15 NI 6509 User Guide and Specifications Power Connections Pins 49 and 99 supply +5 V power to the I/O connector. The I/O connector power has a fuse for overcurrent protection. This fuse is not customer replaceable. If the fuse is blown, return the device to NI for...

NI 6509 User Guide and Specifications 16 ni.com Figure 5. NI 6509 Signal Connections 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 ca...

© National Instruments Corporation 17 NI 6509 User Guide and Specifications Figure 6. Limiting Flyback Voltages at the Inductive Load Sinking and Sourcing Examples The following sections provide examples of driving a relay less than 24 mA, driving a relay greater than 24 mA, and driving solid-state ...

NI 6509 User Guide and Specifications 18 ni.com Driving a Relay >24 mA Figures 9 and 10 are examples of connecting the NI 6509 to a relay that requires more than 24 mA of current. These examples use an additional transistor circuit. Figure 9. NI 6509 Sinking Connection Example, >24 mA Figure 1...

© National Instruments Corporation 19 NI 6509 User Guide and Specifications Accessories National Instruments offers the following products for use with the NI 6509. For more information about optional equipment available from National Instruments, refer to the National Instruments catalog or visit n...

NI 6509 User Guide and Specifications 20 ni.com Power-on state ........................................Inputs high-Z (default), user-selectable input, output 1 or 0 Data transfers ..........................................Interrupts, programmed I/O I/O connector ........................................

© National Instruments Corporation 21 NI 6509 User Guide and Specifications Physical Characteristics Dimensions (without connectors) PCI-6509 ......................................... 12.4 cm × 9.7 cm (4.9 in. × 3.8 in.) PXI-6509 ......................................... 16.0 cm × 10.0 cm (6.3 in. ×...

NI 6509 User Guide and Specifications 22 ni.com Shock and Vibration (PXI-6509 Only) Operational shock ...................................30 g peak, half-sine, 11 ms pulse (tested in accordance with IEC-60068-2-27; test profile developed in accordance with MIL-PRF-28800F) Random vibration 5 to 500 Hz...

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