National Instruments SCB-68 Getting Started
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National Instruments SCB-68 Getting Started

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SCB-68 Getting
Started
2022-07-06

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Summary of Contents for National Instruments SCB-68

  • Page 1 SCB-68 Getting Started 2022-07-06...

  • Page 2: Table Of Contents

    Using the SCB-68 in Direct Feedthrough Mode........

  • Page 3: Scb-68 Ug Introduction

    SCB-68 Getting Started SCB-68 UG Introduction This guide describes how to connect and use the SCB-68 with 68-pin or 100-pin data acquisition (DAQ) devices and other NI products with a 68-pin SCSI or VHDCI I/O connector. For a complete list of supported devices and available SCB-68 features, visit ni.com/r/scb68dev.

  • Page 4: What You Need To Get Started

    Wire insulation stripper ■ You can use up to two SCB-68 accessories with supported products with two 68- pin connectors or one 100-pin connector. You can use up to three SCB-68 accessories with supported products with three 68-pin connectors, and up to four SCB-68 accessories with supported products with four 68-pin connectors.
  • Page 5 7. Signal Conditioning Areas 8. Temperature Sensor To get started with the SCB-68, complete the following steps while referring to Figures 1 and 2. If you have not already installed your DAQ device, refer to the DAQ Getting Started Guide for instructions.
  • Page 6 60 V DC, even if a user-installed voltage divider reduces the voltage to within the input range of the DAQ device. Input voltages ≥42 V pk/ 60 V DC can damage the SCB-68, all devices connected to it, and the host computer.

  • Page 7: Using The Scb-68 In Direct Feedthrough Mode

    1. In the left pane of MAX, expand Devices and Interfaces, then right-click your DAQ device and select Properties from the pull-down menu. 2. Select the Accessory tab from the dialog box, select SCB-68 from the pull-down menu, then select Configure.

  • Page 8: Using The Scb-68 With Multifunction I/O Devices

    You can take measurements with the SCB-68 and multifunction I/O (MIO) DAQ products, such as NI 60xx/61xx/62xx/63xx, in a number of ways. Switches S1 and S2 provide power to the signal conditioning area of the accessory. The SCB-68 has a temperature sensor for cold-junction compensation (CJC) to accommodate thermocouples;...

  • Page 9: Connecting Signal Sources To Analog Inputs

    Some DAQ devices provide +5 V power on pin 8 and pin 14. Pin 8 from the DAQ device is protected by an 800 mA, 250 V, 5 × 20 mm fuse on the SCB-68, shown in Figure 2. Shorting pin 8 to ground blows the fuse on the SCB-68. Pin 14 is not fuse-...

  • Page 10: Where To Go From Here

    SCB-68 Getting Started protected on the SCB-68. Shorting pin 14 will cause the fuse on the DAQ device to open. If the SCB-68 does not work when you power on the DAQ device, check the switch settings, then check the fuse on the SCB-68, shown in Figure 2, and the output fuse (if any) on the DAQ device.

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