ABB NDLS02 Logic module
ABB NDLS02 Logic module
There is no need to adjust it perfectly because the input offset adjustment in the next step might make a slight change in the measured gain-ofone offset. 6. Switch the gain of the same channel to 500. At this gain, the input offset adjustment has the dominant effect. Acquire the data and average as before. Adjust the input offset pot until the difference between the measured offset and the data acquisition board offset is close to zero. Again, it is not necessary to adjust the input offset perfectly because there will be a slight interdependence between the two offsets. 7. Repeat step 5, adjusting the offset as carefully as desired. Then repeat step 6, adjusting the offset as carefully as desired. Switch back to a gain of one to ensure that the low-gain offset is still calibrated. If necessary, repeat steps 5 and 6 until the offset is calibrated at both gains.
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