After a little trial and error you can find the right combination to get the things unlocked that you want or you can just make all four Y addresses = 1. However, changing one of the four addresses may change another one back to 0. Making Y239 1 will turn the PARAMETER and COMMON VARIABLE lock off. ![]() ![]() Changing Y238 to 1 will turn the TOOL DATA lock off. There are four Y addresses which in different combinations will turn these locks off. If these are not available or unknown there is another way. All of these are normally addressed by the machine tool builder with either edit keys, Bit Selects, PLC switches, Latch Parameters, etc. In the case of MAIN PROGRAMS, A,B and C are different types of edit locking, to edit the main programs with respect to the type of editing that letter (A,B or C) must be removed from the screen. ![]() Wherever the word ON appears, that area is locked for editing and must be changed to OFF in order to perform Input/Output operations in that area.
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