The NI GPIB-140A is a high-performance GPIB interface module that provides GPIB instrument control capabilities for PXI and CompactRIO systems. It features a standard IEEE 488.1 GPIB interface, which allows you to connect to and control a wide variety of GPIB instruments. The NI GPIB-140A also includes a built-in optocoupler, which helps to isolate your system from ground loops and other electrical noise.

Here are some of the key features of the NI GPIB-140A:

Standard IEEE 488.1 GPIB interface
Compatible with PXI and CompactRIO systems