The National Instruments 778572-22 PXI Relay Module is a high-performance switching solution designed for applications requiring efficiency and reliability. Officially identified as the PXI-2522, this module features a robust configuration of 53 independent single-pole double-throw (SPDT) Form C relays, each with a maximum switching current of 2 A and a maximum voltage rating of 100 V. With a scan rate of 145 cycles per second and an exceptional switch bandwidth of 51 MHz, this module is well-suited for automated test equipment (ATE), effectively managing loads such as heaters, lights, and fans.

Equipped with fully software programmable functionality and onboard relay counting, the module empowers users with enhanced control over their switching tasks. Its user-friendly front panel interface simplifies the configuration of switch topologies and adjustment of connections, allowing for intuitive setup and operation. Additionally, the Debug Driver session mode facilitates real-time monitoring and troubleshooting of active signal paths, relay status, and overall relay usage, which aids in optimizing system performance.

The 778572-22 also offers various termination options for DIN160 connectors and seamlessly integrates into PXI systems, providing access to support resources for users. While the module is designed to handle inductive loads, caution is advised when switching such loads as high-voltage spikes may occur, which could exceed the module's voltage rating and impact relay longevity. The module's maximum switching power is constrained by its current, voltage, and power ratings, ensuring safe operation across diverse applications.