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NI PXIe-7890 Getting Started

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PXIe-7890/7891
Getting
Started
2023-11-21

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Summary of Contents for NI PXIe-7890

  • Page 1 PXIe-7890/7891 Getting Started 2023-11-21...
  • Page 2 PXIe-7890/7891 Getting Started Contents Getting Started..............3...

  • Page 3: Getting Started

    PXIe-7890/7891 Getting Started Note Before you begin, install and configure your chassis and controller. This document explains how to install, configure, and troubleshoot the PXIe-7890 or PXIe-7891 module. You can program the PXIe-7890/7891 with the following software options. NI-FlexRIO driver software ■...
  • Page 4 Store the module in the antistatic package when the module is not in use. What You Need to Get Started Kit Contents Verify that the following items are included in the PXIe-7890/7891 kit. PXIe-7890 or PXIe-7891 module. ■ PXIe-7890 or PXIe-7891 Safety, Environmental, and Regulatory ■...

  • Page 5: Recommended Cables

    PXIe-7890/7891 Getting Started Recommended Cables NI recommends the following cables for use with the PXIe-7890/7891. Connector Cable Description Part Number CONNECTOR 0 and SHC68-C68-D4 68-Pin, Male VHDCI to 781013-01 (0.55 m) CONNECTOR 4 68-Pin, Male VHDCI, 50 Ω, Shielded Digital...

  • Page 6: Recommended Accessories

    To be used together with a Read Transition Interface (RTI-12301) in an SLSC system. Used for Connector 3 when the load side is terminated with 50 Ω. Recommended Accessories NI recommends the following accessories for use with the PXIe-7890/7891. Connector Accessory...

  • Page 7: Front Panel And Connectors

    Figure 1. PXIe-7890 and 7891 Front Panels PXIe-7890 PXIe-7891 FlexRIO Multifunction I/O Module FlexRIO Multifunction I/O Module The following table describes the signal connections for the PXIe-7890 and PXIe-7891. Table 1. Front Panel Connector Descriptions and Functions Connector Description Function...

  • Page 8: Connector Pinouts

    Analog Input CONNECTOR 3 Low-latency analog output Connector Pinouts PORT 0 and PORT 1 Figure 2 shows the pinout for the PXIe-7890/7891 PORT 0 and PORT 1 connectors, followed by pin descriptions. Figure 2. QSFP Connector Pinout Rx2n Rx1n Rx2p...
  • Page 9 Ground Notice The maximum input signal levels are valid only when the module is powered on. To avoid permanent damage to the PXIe-7890/7891, do not apply a signal to the device when the module is powered down. Notice Connections that exceed any of the maximum ratings of any connector on the PXIe-7890/7891 can damage the device and the system.
  • Page 10 PXIe-7890/7891 Getting Started Figure 3. Digital I/O (DIO) Connectors Table 3. Pin Descriptions for CONNECTOR 0 and CONNECTOR 4 Description Signal Name in LabVIEW DIO <0..31> Bidirectional digital input/ Digital Input: output signal connection Conn0 DI / Ch <0..31> ■...
  • Page 11 PXIe-7890/7891 Getting Started Description Signal Name in LabVIEW Digital Output: Conn0 DO / Ch <0..31> ■ Conn4 DO / Ch <0..31> ■ EXTCLKIN External clock input source Conn 0 External Clock that can be used for source synchronous acquisitions; the...
  • Page 12 PXIe-7890/7891 Getting Started Figure 4. PXIe-7890 Analog Output (AO) Figure 5. PXIe-7891 Analog Output (AO) Connectors Connectors AO31 AO30 AO29 AO28 AO27 AO26 AO25 AO24 AO23 AO22 AO21 AO20 AO19 AO18 AO17 AO16 AO15 AO14 AO13 AO12 AO11 AO10 Table 4. Pin Descriptions for CONNECTOR 1 and CONNECTOR 3...
  • Page 13 PXIe-7890/7891 Getting Started Description Signal Name in LabVIEW Calibrated: Conn3 ■ AO / Ch <0..15> Uncalibrated: Conn1 ■ AO Raw / Ch <0..15> Uncalibrated: Conn3 ■ AO Raw / Ch <0..15> PXIe-7891: Calibrated: Conn1 AO / ■ Ch <0..31> Calibrated: Conn3 AO / ■...
  • Page 14 PXIe-7890/7891 Getting Started Figure 6. PXIe-7890 Analog Input (AI) VHDCI Figure 7. PXIe-7891 Analog Input (AI) VHDCI Connector Connector Table 5. Pin Descriptions for CONNECTOR 2 Description Signal Name in LabVIEW AI <0+...7+> (PXIe-7890) Positive analog input signal PXIe-7890: connection AI <0+...15+>...

  • Page 15: Preparing The Environment

    Ground reference for the — analog input signal No connection — Preparing the Environment Ensure that the environment you are using the PXIe-7890 in meets the following specifications. Temperature Operating 0 °C to 55 °C Storage -40 °C to 71 °C...
  • Page 16 Installing the PXIe-7890/7891 Module This section contains instructions for installing the PXIe-7890 or PXIe-7891 module in a PXI Express chassis. Refer to your chassis user manual for specific instructions and warnings. To install the module, complete the following steps: 1.
  • Page 17 8. Cover all empty slots using EMC filler panels or fill using slot blockers to maximize cooling air flow, depending on your application. 9. Leave the chassis powered off until you have installed the PXIe-7890 or PXIe-7891 module. Installing the Hot Pluggable QSFP Module 1.
  • Page 18 Figure 9. QSFP Module Install 3. With the pull-tab facing the left, align the QSFP module with the socket opening at PORT 0 or PORT 1 on the PXIe-7890/7891. Carefully slide the QSFP module into the port. 4. Use your thumb to press firmly on the QSFP module until it fully seats into PORT 0 or PORT 1.

  • Page 19: Installing The Software

    Configuring the PXIe-7890/7891 in MAX Use Measurement & Automation Explorer (MAX) to configure your NI hardware. MAX informs other programs about which NI hardware products are in the system and how they are configured. MAX is automatically installed with FlexRIO.

  • Page 20: Troubleshooting

    4. Navigate to the Device Manager by right-clicking the Start button, and selecting Device Manager. 5. Verify the PXIe-7890/7891 appears in the Device Manager. a. Under an NI entry, confirm that a PXIe-7890/7891 entry appears. Note If you are using a PC with a device for PXI remote control system, under System Devices, also confirm that no error conditions appear for the PCI-to-PCI Bridge.
  • Page 21 PXIe-7890/7891 Getting Started b. If error conditions appear, reinstall the PXIe-7890/7891 driver. What Should I Do if the PXIe-7890/7891 Fails the Self- Test? 1. Restart the system. 2. Launch MAX. Failed self-test Perform self-calibration, then perform the self-test again. ■...
  • Page 22 PXIe-7890/7891 Getting Started Why Does DC Voltage Remain at the AO Channel When Connector 3 (LLAO) is Shut Down in Over-Temperature Condition? Up to 3.5 V of residue voltage may remain on Connector 3, depending on the AO configuration on dual output range channels before the shutdown occurs. This is not a hardware issue, but if it occurs, you can reset the module through the Test VI and power up again to reset all channels to default 0 V output.

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Pxie-7891

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