Electronic Products & Technology

Integrated monitored PXI multiplexer module indicates status of any active channel

Stephen Law   

Electronics Test & Measurement chasis Modules multiplexer PXI test

PICKERING INTERFACES Model 40-619 PXI multiplexer modules enables test engineers to monitor the open status of any channel. Unit performs the same as a typical single-pole, 2A 60W multiplexer but uses secondary relays to determine the multiplexer channel status. Every multiplexer channel is provided with an additional monitor switch that allows the user, via an external measurement device, to verify that multiplexer channels are ‘open’ before applying test signals. This feature is essential in applications where the incorrect or unintended application of signals may damage the device-under-test. Product is available in nine switching configurations from 16:1 to 128:1, providing flexibility in test system design. Unit uses high-quality electro-mechanical (EMR) signal relays suitable for switching loads up to 2A at 250Vac/dc. The compact, single-slot footprint permits the implementation of a monitoring function while minimizing chassis slot space.

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