H COMM Module (HART®) The H COMM Module enables communication between the 9900 and a HART®-enabled device. The HART (Highway Addressable Remote Transducer) Protocol superimposes digital signals on top of the 4 to 20 mA analog signal. Refer to the 9900 H COMM Module Manual 3-9900.094 for further details.
Unit of Measure


N/A 461165

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