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NI 2591 R EPLACING THE ELAY ODULE The NI 2591 is constructed so that you can replace the relay module when the relays fail. The life of the relay is nominally 10 operations when switching the maximum-rated load. 1 Hex Nuts and Washers...
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Remove the PXI ejector handle screw that secures the front panel. Remove the module from the base card. Note You can order an RF 2591 replacement relay module for your NI 2591 from National Instruments. The replacement kit contains the fully assembled module.