NI's PXI and SCXI switch offering is expanded

24 September 2003 Test & Measurement Products & Solutions

National Instruments has expanded its family of switch products to include four new high-density PXI and SCXI switch modules. The modules integrate with NI virtual instrumentation products, such as the NI PXI-5112 high-speed digitiser and NI LabVIEW 7 Express.

The NI PXI-2593 and NI SCXI-1193 are highly flexible RF switch modules with 16 channels in PXI and 32 channels in SCXI. Using NI-SWITCH instrument driver software, design and test engineers can quickly configure these modules as an unterminated multiplexer, terminated multiplexer or dimensionally flexible sparse matrix. The PXI-2593 and SCXI-1193 switch modules offer 500 MHz bandwidth, 50 characteristic impedance, 10 W RF carry power, 150 V CAT I switching and MCX direct connectivity.

The NI PXI-2566 and NI SCXI-1166 general-purpose switch modules offer independent, high-current, SPDT relays, with 16 relays in PXI and 32 relays in SCXI. The modules also feature switching capacity of 2 A switching/5 A carry and 150 V d.c./125 V a.c. CAT I. The PXI-2566 and SCXI-1166 switch modules are designed to route high current signals, which makes them ideal for turning on and off devices such as motors and lights.

All four of the new modules track and store the number of relay cycles used in the system. Engineers can use the relay count information to help predict when a switch module is near the end of its life. Each switch module includes NI-SWITCH driver software, which works with NI LabVIEW 7 Express graphical development environment, Measurement Studio and LabWindows/CVI.

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