Measurement channels

Each differential channel of the Spectrum module is equipped with an identical set of 5 terminals. These are labeled Vin+, Vin–, EX, and 2 grounds. The signal paths within the Spectrum module are carefully managed within these terminal sets. A sensor should be connected in such a way that all the related signals are contained within a single terminal set. Bridging grounds or excitations from neighboring terminal sets may compromise the calibration accuracy of the measurements.

The configuration parameters (input range and excitation) can vary for each differential channel. The only setting that is common to all channels is the sample rate and the sample ratio.