Yokogawa Standalone MW100 - Manual (Page 8)

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Note
Linear scaling (SCALE) and difference input (DELTA) cannot be selected at the same time.
If the input type setting does not match that of the MW100, measurements may not be performed correctly.
The output data will be “Invalid” (if the setting on the MW100 is COM and the channels set on the module are
OFF).
To maintain the highest accuracy possible during measurement of CAN data, you can minimize computation
errors by setting all settings on the module (upper and lower limits of both Value and Span) and MW100 main unit
(upper and lower limits of both Scale and Span) to the same span.
Value lower limit = span lower limit = MW100 span lower limit (= MW100 scale lower limit)
Value upper limit = span upper limit = MW100 span upper limit (= MW100 scale upper limit)