Performing the operation
DIAG/RESET button has two functions:
● RESET: Press the button for more than 10 seconds to restart the PPU.
● DIAG: Press the button for less than 8 seconds to start the DiDac function. This function
collects all the available log files of the operating software and stores them in the following
directory: /card/user/sinumerik/didac/out_<Date-Time>.7z.
Figure 3-8 DIAG functionality
This function is available with CNC software version 6.13.
3.2.5 Start-up and mode selector switch
The PPU provides an NCK rotary coding switch and a PLC mode selector switch as a toggle
switch with three switch settings:
● The NCK commissioning switch: Setting during normal operation: "0"
Figure 3-9 NCK commissioning switch
● The PLC mode selector switch: Setting during normal operation: "Run"
RUN Places the PLC in the RUN operating state.
STOP Places the PLC in the STOP operating state.
MRES Initiates the PLC reset.
Figure 3-10 PLC mode selector switch
System characteristics
3.2 Operator controls and display elements
PPU 1740
Equipment Manual, 01/2019, A5E47615272B AA 33
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