we recently switched to two mills with fryer touch 2200 controls (Siemens). Every time I output code in ISO and put in G291, I get problems with D numbers. I can input H numbers in the tool list but can not change the D to anything but 1 or 0. I understand siemens doesn't use the same offsets. I'm just use to the H number being the tool number and the D number being H+30.