LRES5001-32C is a PCI Express x1 32-channel TTL digital input/output and 32-channel digital I/O card with isolation protection and interrupt function developed by Shenzhen lianrui electronics co., ltd. based on Xilinx master control scheme. Up to 2500V DC isolation protection, very suitable for industrial applications requiring high voltage isolation.The input and output signals of the I/O card can be used as interrupt request signals, and the interrupt function of each individual channel can be disabled or enabled by setting, and the input signal edge generating the interrupt can be supported.