B–62443EN–2/03
4. OPERATION
111
Switching between the NC screen and loader screen
<SHIFT> + <HELP> Each time this operation is performed, the display switches between the NC screen
and loader screen. Note, however, that this operation is possible only when the DI
signal LCBS (G251.1) on the NC is set to 0.
Memory all–clear at power–on
<DELETE> + <RESET>
<CAN> + <2>
<CAN> + <5>
Clears all the memory areas of the NC (both the main and sub sides when the dual
NC is used) and the loader.
Clears all the memory areas of the sub side of the dual NC.
Clears all the memory areas of the loader.
Clearing parameters/offsets at power–on (parameters only for the loader)
<RESET> + <1>
<RESET> + <2>
<RESET> + <5>
Clears the parameters/offsets for the NC (main side when the dual NC is used).
Clears the parameters/offsets for the sub side of the dual NC.
Clears the parameters for the loader.
Clearing programs at power–on
<DELETE> + <1>
<DELETE> + <2>
<DELETE> + <5>
Clears the programs for the NC (main side when the dual NC is used).
Clears the programs for the sub side of the dual NC.
Clears the programs for the loader.
Clearing the RAM module of a PMC at power–on
<X> + <0>
<X> + <5>
Clears the RAM module of the NC PMC.
Clears the RAM module of the loader PMC.
NOTE
These memory clear operations do not clear macro RAM.
Instead, RAM is cleared when macro programs are
transferred by the P–code loader. The loader control option
for the Series 16/18–MODEL B/C and Series 21TB, Series
16i/18i/21i clears macro RAM unconditionally at power–on.
Resetting the software overtravel alarm at power–on
<CAN> + <P>
<CAN> + <L>
Resets the software overtravel alarm on the NC.
Resets the software overtravel alarm on the loader.
4.1
MDI KEY OPERATION
FOR LOADER
CONTROL
4.1.1
Screen Switching
4.1.2
Power–on