NI GPIB-140A 186135F-31Main line expansion module Fiber Optic GPIB Extender.The National Instruments GPIB-140 / GPIB-140A Fiber Optic GPIB Extenders remove the restrictions on cable length and device loading imposed by the IEEE 488 standard while requiring virtually no desktop space. The IEEE 488 standard specifies that the total cable length for a GPIB system cannot exceed 20 m and the maximum number of devices is 15. A pair of NI GPIB-140A/2 bus extenders can extend the cable length to 2 km without compromising the integrity of the GPIB or requiring any application modifications. The GPIB-140A can use fiber-optic cable lengths up to 1 km.
Application scenarios
Test and measurement systems
Connect oscilloscopes, signal generators, spectrum analyzers and other devices to achieve remote test data acquisition and control.
Example: In semiconductor testing, multiple test probes and measurement instruments are connected to the central control system via GPIB-140A to improve test efficiency.
Industrial automation and control
In distributed control systems, extend the communication distance between sensors, actuators and the main controller.
Example: In the quality inspection stage of the production line, remote test equipment is connected via optical fiber to achieve real-time data feedback.
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