Reer MOSAIC M1 Installation And Use Manual page 177

MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
Incoherence calculation mode: different sensors
The two sensors used in the redundant configuration must provide the same
reading in units but they can have different scaling factors.
The following parameter is provided to define whether the sensors are the same or
different.
Different sensors: the pair of sensors used are not identical. The box Scale is
displayed. The values you enter in this box are used for scaling of the second sensor
and calculation of the differences between the two sensors. The MA2/MA4 module
will adapt signal conversion accordingly i.e. the scale of the second sensor will
adapt automatically to the scale of the first sensor.
For additional explanation see the diagram following.
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