Use the serial port on your laptop or desktop PC to collect count or frequency data from digital inputs or generate frequency signals using counter outputs. Choose from RS-232 complete systems with power supply, RS-232 cable and our ready-to-run WINview CP software (a quick and easy way to view data from the device). Systems can range from a single input or output to more than 1000 channels of inputs and outputs. These RS-232 devices are simple, small and light weight - perfect for most data collection needs.