Power-On and Power-Up
5.3 Power-up
Manual
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
129
5.3.2
Startup after battery replacement (PCU backup battery)
Proper shutdown
Before replacing the PCU backup battery, the SINUMERIK 840Di sl or Windows XP must be
shut down correctly.
To do this, use one of the following options:
●
Windows taskbar: Start > Shut Down.
●
Interface signal: "PC shutdown", see Section "840Di sl-specific interface
Inverting SRAM memory cells
If SRAM memory cells are inverted when changing the battery, this will be detected during
power-up. The SRAM image will then be written back to the SRAM of the MCI board and the
SINUMERIK 840Di sl is now immediately ready for operation.
Responses:
None.
NOTICE
If Windows XP is not correctly shut down before changing the backup battery, an inversion
of the SRAM memory cells during the battery change cannot reliably be detected.
The SINUMERIK 840Di sl must then be recommissioned.
5.3.3
Startup after replacement of the MCI board
After the MCI board has been replaced, the subsequent procedure depends on the previous
history. There is a distinction between the following situations:
1.
An up-to-date SRAM image exists
2.
An up-to-date SRAM image does not exist
Case 1: An up-to-date SRAM image exists
Before the MCI board was changed, Windows XP could not be shut down correctly. An up-
to-date SRAM image is thus provided.
During power-up, the MCI board is detected as a new one using the HW serial number. The
SRAM image will then be written back to the SRAM of the MCI board. The SINUMERIK
840Di sl is thus ready again immediately.
Responses:
A note will appear in a message box, which must be acknowledged with "OK":
Содержание SINUMERIK 840Di sl
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