64-ch isolated digital output and 64-ch isolated digital input Interrupt handling capability for each channel. Digital Filter function. Wide output range (5 ~ 40 VDC); input range (5 ~ 25 VDC) High-sink current for isolated output channels (90 mA max./Channel) High ESD protection (2,000 VDC). Current protection for each port High-voltage isolation on output channels (2,500 VDC) Output status read-back Watchdog timer
