The Adlink USB-7230/7250 are programmable digital I/O modules with a high voltage input/output range that support up to 2500Vrms isolation. The USB-7230 has 32-ch isolated digital I/O with 2-ch frequency/event counters. The USB-7250 has 8-ch relay output (4 form C & 4 form A), 8-ch isolated DI, and 2-ch frequency/event counters.
The USB-7230/7250 are suitable for industrial I/O control applications that require high voltage and superior protection. The USB-7230/7250 are the perfect way to add measurement and control capability to any PC with a USB interface. They obtain all required power from the USB port, so no external power is required.