Siemens sinumerik 840D sl Function Manual page 581

Examples
4.2 Startup of analog axis
Insert the PC card
• Switch off control system
• Insert the PC card with the new firmware (technology card) in the PCMCIA slot of the
• Then proceed as follows:
1. Turn switch S3 on the front panel of the NCU to 1
2. Switch the control system back on again.
3. During run-up, the firmware is copied from the PC card to the NCU memory.
4. Wait until number "6" is displayed on the NCU digital display (after approximately one
5. Turn switch S3 back to zero.
Note
If number "6" does not appear, an error has occurred.
• Incorrect PC card (e.g. card for NCU2 in NCU3 hardware)
• Card hardware defective.
Copy back SRAM contents
To copy the saved data back into the control system, proceed as described in the "Series
Startup" section. Please read all information provided by the manufacturer about new
software versions.
• Enter the machine manufacturer password.
• Select "Data in" and "Archive...". Then load the archive with backup compensation data (if
4.2 Startup of analog axis
To start up the "analog axis" function, you next need to activate the compile cycle.
Option data for compile cycles
• Set the option for compile cycle application 2
• Run up the software again. Machine data 63530 should now appear at the end of the
16
NCU.
minute).
applicable).
axial machine data list (look for "ANALOG_AXIS" or "63530").
Special functions: Analog Axis (TE2)
Function Manual, 11/2006, 6FC5397-2BP10-2BA0