ACCES I/O Products, San Diego, CA, announced the USB-AIO family of 12- and 16-bit USB analog I/O modules. The USB-AIO16-16F 16-bit, multifunction analog input/output board is suited for precision measurement, analysis, monitoring, and control in embedded applications. It can sample inputs at speeds up to 1 MHz for the board’s 16 single-ended or eight differential analog input channels. Standard features in the USB-AIO line include up to four 16-bit analog outputs and 16 high-current digital I/O lines. The boards feature eight standard analog voltage input ranges, two factory current input ranges (4-20 mA or 10-50 mA), 16 factory pseudo-differential inputs, a data sample buffer, and hardware real-time calibration capability. A channel-by-channel programmable gain feature enables measurement of large and small signals in one scan — all under software control at up to 1 MHz. The board’s data buffer and ability to trigger the A/D in real time enables synchronized sampling that is unaffected by other computer operations. For embedded OEM applications, an additional miniature USB input header is available.
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