Not sure if this was in 7.5 also, but it appears that if you have your axis’ set to auto range but not auto range including zero, along with a tag that has not changed value in some time selected by itself, the axis will not properly range. as a matter of fact it just doesnt show anything.
but if you select more than one tag, then it works properly. It doesnt matter if it is in a different axis or if it is in the same axis, and it also doesnt matter if the tag value has changed or hasnt changed.
