12. DISPLAY/SET/EDIT
B–63503EN–1/01
654
A key called the data protection key is used to prevent part programs,
offset values, parameters, and setting data from being registered,
modified, or deleted erroneously.
[Classification] Input signal
[Function] Enables the changing of the memory contents from the MDI panel. Four
signals are provided. The operations that can be performed on the
contents of memory by each signal vary depending on the setting of bit
7 (KEY) of parameter No. 3290.
When KEY = 0
@ KEY1: Enables the input of tool compensation values and the
workpiece zero point offset values, and workpiece coordinate
systems shift amount.
@ KEY2: Enables the input of setting data and macro variables, and
tool life management data.
@ KEY3: Enables program loading and editing.
@ KEY4: Enables PMC data (counter data tables)
When KEY = 1
@ KEY1: Enables program loading and editing, as well as the input
of PMC parameters.
@ KEY2 to KEY4: Not used
[Operation] When a signal is set to 0, the associated operations are disabled.
When a signal is set to 1, the associated operations are enabled.
#7 #6 #5 #4 #3 #2 #1 #0
G046 KEY4 KEY3 KEY2 KEY1
12.2.3
Memory Protection Key
General
Signal
Memory protection
signal
KEY1 to KEY4
<G046#3 to #6>
Signal address