Changing an Interface on a Running S7-1500 Without Losing the Values
An optimized block on an S7-1500, or on an S7-1200 at V4.x, is created with a 100 byte memory reserve, which is room for 25 Reals of new Statics before a download in RUN has to reinitialise the instance DB. Whether an S7-1500 interface change makes the load preview put “reinitialize” against the block is … Read more
