187965G-01L National Instruments GPIB‑USB‑HS Interface Adapter

Description

187965G-01L National Instruments GPIB‑USB‑HS Interface Adapter

Product Dimensions：

Product Description

The NI GPIB‑USB‑HS (IEEE 488) is a high-speed interface adapter that connects GPIB instruments to a host computer via USB. The 187965G‑01L variant is the board-only version of this adapter and enables direct control of up to 14 GPIB instruments over USB, using the NI‑488.2 driver for seamless integration with existing GPIB setups.

Product Specifications

• • Interface Types: USB 2.0 on the host side; 24‑pin male IEEE 488 (GPIB) on the instrument side

  • Maximum Data Rate: Up to 56.48 Mbps (~7.23 MB/s in HS‑488 mode)

  • Power Requirement: USB powered (typically ~140 mA, up to max 500 mA)

  • Dimensions: Approximately 10.7 cm × 6.6 cm × 2.6 cm

  • Included Software: NI‑488.2 driver, which provides compatibility and utilities for instrument control

  • Operating Temperature: Commonly between 0 °C to 55 °C; storage up to –20 °C to 70 °C

  • Maturity Status: Declared mature/discontinued, but still supported for repairs and purchases by select vendors

  Advantages

  • Legacy Compatibility: Full support for IEEE 488.2 ensures older GPIB-based test equipment continues to function.

  • Plug-and-Play: No external cable between adapter and host—simplifies setup with minimal clutter.

  • Portable and Compact: Ideal for use with laptops or lab benches; board-only design increases flexibility in integration.

  • High-Speed Performance: Offers fast data throughput in both standard and HS‑488 modes.

  • Software Ecosystem: Comes with NI‑488.2 driver and utilities, ensuring rich driver-level support and troubleshooting aids.

  Precautions & Notes

  • Board-Only Form Factor: Lacks protective enclosure—handle carefully to prevent damage.

  • USB Power Limitations: Ensure the host USB port can supply up to 500 mA, especially in HS‑488 mode.

  • Environmental Conditions: Operate within recommended temperature ranges to maintain performance.

  • Obsolescence Concerns: As a mature product, replacements may be harder to source—plan backups accordingly.

  • Driver Compatibility: Requires the NI‑488.2 driver; compatibility with modern OS versions should be verified via NI’s support resources.

  Typical Applications

  • Legacy Instrumentation Control: Connect modern computers to GPIB-based instruments in labs and production lines.

  • Automated Test Equipment (ATE): Integrate legacy instruments into automated test sequences via USB.

  • Field Calibration & Diagnostics: Portable interface for servicing or calibrating GPIB devices in the field.

  • Lab Environments: Adds flexibility when integrating older measurement hardware into contemporary software workflows.

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