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USER MANUAL

NI USB-7846R

R Series for USB Multifunction RIO with Kintex-7 160T FPGA

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ni.com/manuals

This document provides compliance, pinout, connectivity, mounting, and power information
for the National Instruments USB-7846R.

Safety Guidelines

Caution

 

Do not operate the NI USB-7846R in a manner not specified in this user

manual. Product misuse can result in a hazard. You can compromise the safety
protection built into the product if the product is damaged in any way. If the product
is damaged, return it to National Instruments for repair.

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 residential, commercial, and industrial locations. However,
harmful interference may occur in some installations or when the product is connected to a
peripheral device or a test object. To minimize interference with radio and television reception
and prevent unacceptable performance degradation, install and use this product in strict
accordance with the instructions in the product documentation.

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.

Summary of Contents for 7846R

Page 1: ...product specifications These requirements and limits are designed to provide reasonable protection against harmful interference when the product is operated in its intended operational electromagneti...

Page 2: ...vervoltage Protection Overvoltage Protection FPGA Temperature 40 MHz OSC AO x8 USB NI ASIC Kintex 7 FPGA NI USB 7846R Flash Memory DIO 5 V Reference DAC AO ADC AI CONNECTOR 0 DIO CONNECTOR 1 MIO Data...

Page 3: ...DIO9 DIO11 DIO13 DIO15 AO7 AO6 AO5 AO4 AO3 AO2 AO1 AO0 AISENSE AI7 AIGND6 AI6 AI5 AIGND4 AI4 AI3 AIGND2 AI2 AI1 AIGND0 AI0 5V DGND DGND DGND DGND DGND DGND DGND DGND DIO8 DIO10 DIO12 DIO14 AOGND7 AOGN...

Page 4: ...ed or differential voltage signals Use the AISENSE pin to connect non referenced single ended signals Connecting Single Ended Voltage Signals To connect referenced single ended voltage signals to the...

Page 5: ...ial signals to the NI USB 7846R you must also connect the signal reference to AI GND Figure 5 Connecting Grounded Differential Signals to the NI USB 7846R PGIA ADC AI NI USB 7846R Connection Accessory...

Page 6: ...ect a load Figure 7 Connecting a Load NI USB 7846R Connection Accessory AOGND LOAD AO DAC Digital I O The NI USB 7846R provides connections for 48 digital input output DIO channels Connector 0 contain...

Page 7: ...t as input low with pull down resistors To set another power on state you can configure the NI USB 7846R to load a VI when the system powers on The VI can then set the DIO lines to any power on state...

Page 8: ...istance To reduce the magnetic coupling between lines separate them by a reasonable distance if they run in parallel or run the lines at right angles to each other Do not run signal lines through cond...

Page 9: ...s Tighten the screws to a torque of 0 4 N m 3 6 lb in 2 Clip the bracket onto the DIN rail as shown Figure 10 DIN Rail Clip Parts Locator Diagram 1 2 3 1 DIN Rail Clip 2 DIN Rail Spring 3 DIN Rail 3 P...

Page 10: ...riptions Symbol LED Description POWER Solid blue when the power is on USB READY Solid blue when the USB is ready ERROR Solid red for error cases 1 USER USER1 Blue user defined 2 USER USER2 Blue user d...

Page 11: ...ents is not liable for damage resulting from such a connection The power rating is 4 75 to 5 1 VDC at 0 5 A Autonomous Mode You can run the NI USB 7846R without a USB connection to a host computer usi...

Page 12: ...the NI USB 7846R to a host computer before powering off the device Refer to the LabVIEW FPGA Module Help for more information about downloading an FPGA VI to the flash memory Worldwide Support and Ser...

Page 13: ...s section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events NI USB 7846R User Manual Nationa...

Page 14: ...p Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents You can find information about end user license agreements EULAs and third par...

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