CB-68LP National Instruments CB-68LP 68-Pin Screw Terminal Block

Description

CB-68LP National Instruments CB-68LP 68-Pin Screw Terminal Block

Product Dimensions：

Product Description

The NI CB-68LP is a 68-pin screw terminal block designed by National Instruments to provide a simple and effective interface between field wiring and NI data acquisition (DAQ) devices with 68-pin connectors. It breaks out all 68 pins of the connector to screw terminals for quick and secure signal connection without the need for custom cabling or soldering.

Ideal for benchtop prototyping, development, and educational environments, the CB-68LP offers a reliable way to access all I/O lines from multifunction DAQ devices or other compatible NI hardware.

Product Specifications

• • Dimensions
    CB-68LP…………………………………………… 143.5 mm × 107.4 mm × 30.0 mm
    CB-68LPR ………………………………………… 167.6 mm × 76.2 mm × 29.2 mm
    Weight
    CB-68LP…………………………………………… 155 g (5.4 oz)
    CB-68LPR ………………………………………… 162 g (5.7 oz)
    I/O connector ……………………………………………. One 68-pin male SCSI connector
    Screw terminals ………………………………………… 68, all I/O signals are available at screw
    Wire gauge………………………………………… 0.0509 to 3.31 mm
    Torque ………………………………………………. 0.5 N · m (4.4 lb · in.)
    Clean the hardware with a soft, nonmetallic brush.

  Product Advantages

  • Easy Connectivity: The primary benefit of the CB-68LP is its ability to simplify wiring. It eliminates the need for custom soldering or complex wiring harnesses, saving time and reducing the potential for wiring errors.
  • Secure Connections: The screw-terminal design ensures a robust and reliable connection for your wires, which is critical for accurate and consistent measurements.
  • Versatility: Since it’s compatible with any 68-pin NI DAQ device, the CB-68LP is a flexible accessory that can be reused across different applications and test setups.
  • Compact Design: Its low-profile form factor is perfect for use in small enclosures or custom test fixtures where space is a premium.

  Product Applications

  The CB-68LP is a foundational tool used in any application that requires connecting real-world signals—like voltages, currents, and digital I/O—to a 68-pin NI DAQ device. Common applications include:

  • Educational and University Labs: It provides a straightforward way for students to wire circuits and sensors to a DAQ card for experiments and projects.
  • Prototype and R&D Testing: Engineers can use it to quickly connect and reconfigure circuits during the design validation and characterization of new products.
  • Automated Test Systems: It serves as a clean and organized connection point for signals in automated test fixtures.

  Precautions

  While the CB-68LP is a passive accessory, there are a few important precautions to follow for safe and effective use:

  • Unshielded Design: The CB-68LP is an unshielded accessory. If your DAQ device requires a shielded cable or accessory to meet its specified electromagnetic compatibility (EMC) performance, you must use the CB-68LP within a shielded enclosure.
  • Correct Pinout: Always consult the user manual for your specific 68-pin DAQ device to understand the correct pinout. The function of each screw terminal on the CB-68LP is defined by the connected DAQ card.
  • ESD Precautions: Always follow proper electrostatic discharge (ESD) precautions to prevent damage to both the DAQ card and the CB-68LP.
  • No Hot-Swapping: Never connect or disconnect the 68-pin cable while the DAQ device is powered on, as this could cause permanent damage to your hardware. Always power down your system first.

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