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Isolators-Expanders

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  • Expand a GPIB system to accommodate 28 devices
  • Controllers, talkers, and listeners can be on either side of the expander
  • Software transparent – no software modifications required
  • Isolate GPIB systems by up to 2,500 V

The NI GPIB-120A and GPIB-120B perform as bus isolators and expanders. They provide up to 2,500 V of noncontinuous electrical isolation and increase the number of GPIB devices on the bus from 15 to 28 devices.