
B-63323EN-1/03 12.DISPLAY/SET/EDIT
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12.2.3 Memory Protection Keys
General
Memory protection keys can be provided so as not to inadvertently
store, change, or delete programs, offset values, parameters, settings,
and so forth.
Signal
Memory protection signals
KEY1-KEY4
<G005#4-#7>
[Classification] Input signal
[Function] These signals allow MDI panel operations that change the memory
contents. Four signals are used according to the manipulated memory
contents as follows:
1 KEY1: Allows the input of tool offset values and workpiece
origin offsets.
2 KEY2: Allows the setting of data input, macro variable input, and
absolute coordinate presetting. B
3 KEY3: Allows program input and editing.
4 KEY4: Reserved.
[Operation] If a memory protection signal is set to 0, the corresponding operation is
disabled.
If a memory protection signal is 1, the corresponding operation is
enabled.
Signal address
#7 #6 #5 #4 #3 #2 #1 #0
G005 KEY4 KEY3 KEY2 KEY1
Alarm and message
WARNING message Contents
WRITE PROTECT Key input is disabled by the memory
protection signal.