Triconex 3721
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3721 Triconex Analog Input Module
The Triconex 3721 Analog Input (AI) module contains three independent input channels. Each input channel receives variable voltage signals from various points, converts them into digital values, and transmits these values to the three main processor modules as needed. The Triconex 3721 Analog Input module performs complete and continuous diagnostics on each channel and supports hot standby, allowing for in-line replacement of faulty modules.
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