DAQ 6009 PDF

Table 1 compares the devices. Table 1. Open-drain is called open collector and push-pull is called active drive. Misuse of the device can result in a hazard. You can compromise the safety protection built into the device if the device is damaged in any way.

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Table 1 compares the devices. Table 1. Open-drain is called open collector and push-pull is called active drive. Misuse of the device can result in a hazard. You can compromise the safety protection built into the device if the device is damaged in any way.

If the device is damaged, contact National Instruments for repair. Caution Do not substitute parts or modify the device except as described in this document. Use the device only with the chassis, modules, accessories, and cables specified in the installation instructions. You must have all covers and filler panels installed during operation of the device. Caution Do not operate the device in an explosive atmosphere or where there may be flammable gases or fumes.

If you must operate the device in such an environment, it must be in a suitably rated enclosure. Electromagnetic Compatibility Guidelines This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility EMC as stated in the product specifications.

These requirements and limits are designed to provide reasonable protection against harmful interference when the product is operated in its intended operational electromagnetic environment. This product is intended for use in industrial locations. There is no guarantee that harmful interference will not occur in a particular installation, when the product is connected to a test object, or if the product is used in residential areas.

To minimize the potential for the product to cause interference to radio and? Furthermore, any changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules. Caution To ensure the specified EMC performance, operate this product only with shielded cables and accessories. Caution This product may become more sensitive to electromagnetic disturbances in the operational environment when test leads are attached or when connected to a test object.

Caution Emissions that exceed the regulatory requirements may occur when this product is connected to a test object. ESD can damage several components on the device.

Caution Never touch the exposed pins of connectors. To avoid ESD damage in handling the device, take the following precautions:? Ground yourself with a grounding strap or by touching a grounded object. Touch the antistatic package to a metal part of your computer chassis before removing the device from the package. Remove the device from the package and inspect it for loose components or any other signs of damage. Notify NI if the device appears damaged in any way.

Do not install a damaged device in your computer or chassis. Store the device in the antistatic package when the device is not in use. Install the application software if applicable , as described in the installation instructions that accompany your software.

All Programs? National Instruments? Other NI documentation is available from ni. Install the position screw terminal connector plugs by inserting them into the connector jacks as shown in Figure 2.

Affix the provided signal labels to the screw terminal connector plugs. You can choose labels with pin numbers, signal names, or blank labels, as shown in Figure 3.

Choose one of the labels, align the correct label with the terminals printed on the top panel of your device and apply the label, as shown in Figure 2. Expand My System? If your device is still not recognized, refer to ni. Self-test performs a brief test to determine successful device installation. When the self-test finishes, a message indicates successful verification or if an error occurred.

If an error occurs, refer to ni. Caution 8. To ensure the specified EMC performance, operate this product only with shielded cables and accessories. Connect the wires 16 to 28 AWG of a shielded, multiconductor cable to the screw terminals by stripping 6. If using a shielded cable, connect the cable shield to a nearby GND terminal. Note For information about sensors, go to ni. For information about IEEE Click Start to test the device functions, or Help for operating instructions.

Click Close to exit the test panel. Table 2. Getting Started with DAQ? Go to Help? Data Acquisition? Measurement Studio Walkthroughs? Figure 5. When the device is connected to a USB port, the LED blinks steadily to indicate that the device is initialized and is receiving power from the connection. Table 3. In order for the device to be recognized, the device must be connected to a computer that has NI-DAQmx installed on it. These screw terminal connectors provide 16 connections that use 16—28 AWG wire.

Refer to the Pinout and Signal Descriptions section for the device pinout and signal descriptions. You can order additional connectors and labels for your device. Refer to the Cables and Accessories section for ordering information. NI-DAQmx automatically uploads the compatible firmware version to the device. Table 4. You can use up to two accessories per device. Refer to Table 5 for a detailed description of each signal.

Analog Input Channels 0 to 7—For single-ended measurements, each signal is an analog input voltage channel. For differential measurements, AI 0 and AI 4 are the positive and negative inputs of differential analog input channel 0. Refer to the Analog Input section for more information. Refer to the Analog Output section for more information. PFI 0—This pin is configurable as either a digital trigger or an event counter input.

Refer to the PFI 0 section for more information. PGA—The progammable-gain amplifier provides input gains of 1, 2, 4, 5, 8, 10, 16, or 20 when configured for differential measurements and gain of 1 when configured for single-ended measurements. The PGA gain is automatically calculated based on the voltage range selected in the measurement application. Table 6 summarizes the recommended analog input mode s for floating signal sources and ground-referenced signal sources.

Ungrounded thermocouples? Signal conditioning with isolated outputs? Floating Signal Sources A floating signal source is not connected to the building ground system, but has an isolated ground-reference point. Some examples of floating signal sources are outputs of transformers, thermocouples, battery-powered devices, optical isolators, and isolation amplifiers. An instrument or device that has an isolated output is a floating signal source.

To access this document, go to ni. The input signal is low level and requires greater accuracy. The leads connecting the signal to the device are greater than 3 m 10 ft.

The input signal requires a separate ground-reference point or return signal. The signal leads travel through noisy environments. DIFF signal connections reduce noise pickup and increase common-mode noise rejection.

DIFF signal connections also allow input signals to float within the working voltage of the device. Refer to the Taking Differential Measurements section for more information about differential connections. The leads connecting the signal to the device are less than 3 m 10 ft. DIFF input connections are recommended for greater signal integrity for any input signal that does not meet the preceding conditions.

In the single-ended modes, more electrostatic and magnetic noise couples into the signal connections than in DIFF configurations. The coupling is the result of differences in the signal path.

Magnetic coupling is proportional to the area between the two signal conductors. Electrical coupling is a function of how much the electric field differs between the two conductors. With this type of connection, the PGA rejects both the common-mode noise in the signal and the ground potential difference between the signal source and the device ground.

Ground-Referenced Signal Sources A ground-referenced signal source is a signal source connected to the building system ground. It is already connected to a common ground point with respect to the device, assuming that the computer is plugged into the same power system as the source. Non-isolated outputs of instruments and devices that plug into the building power system fall into this category.

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