The National Instruments PXI-2523 is a versatile PXI Relay Module designed for general-purpose applications, featuring 26 individual DPDT (Double Pole Double Throw) armature relays. With a maximum switching capability of 2 A and a channel-to-channel and channel-to-ground voltage rating of up to 100 V, this module is ideal for automated test equipment (ATE) loads such as lights, fans, and heaters. Its relays exhibit low thermal offsets and minimal on-resistance, ensuring efficient and reliable operation. The PXI-2523 supports a maximum switching power of 60 W and a maximum switching current of 2 A per channel, allowing for simultaneous operation of all 26 relays at a temperature of up to 55 °C. This module is designed with a one-slot, 3U PXI form factor and has power consumption of 5 watts at 5 volts.

The PXI-2523 offers exceptional speed with a typical relay operating time of 1 ms and a mechanical relay life rated for up to 100 million cycles. It is capable of receiving signals with a minimum pulse width of 150 ns via PXI trigger lines 0-7 and can detect narrower pulse widths when digital filtering is disabled. Moreover, the module is built to tolerate an impulse voltage of up to 500 V while maintaining its Measurement Category I rating, suitable for signal voltages under 100 V. For ease of maintenance, the relays can be replaced in the field, providing added convenience for users. The PXI-2523 measures 8.5 x 0.8 x 5.1 inches and weighs 6.2 ounces. Comprehensive user and maintenance manuals are available for download, and interested purchasers should contact a sales representative for pricing information.