The Fluke Helios Plus Data Acquisition Front End is is a high speed, smart intermediary between a computer and a real world measurement application. It is a highly accurate, easy-to-use data acquisition and control subsystem that can be used with any kind of personal or mainframe computer. Capacity of the Front End ranges from a minimum configuration of a single channel, up to 1000 channels. Fast A/D Converters and High Performance A/D Converters can be used separately or in combination. The Front End can be adapted to a wide array of applications. The Front End gathers data and generates control or stimulus signals through a standard computer interface. It combines a full range of measurement capabilities and is easy to program. The Front End's chassis includes: - An RS-232-C and an RS-422 host computer port, o A Serial printer port. - A microcomputer with ROM and RAM to provide local intelligence. - Six option slots that accept any of a range of measurement and control modules. This family of options supports a variety of both analog and digital inputs and outputs. An expansion chassis can be added to accommodate more input/output channels, up to a maximum of 1000. A combination of A/D converter types can be used.