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Accessories • SRAM module - 5AC600.SRAM-00
Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
17. SRAM module - 5AC600.SRAM-00
The 512 KB SRAM module increases APC620 application possibilities. It is inserted internally on
the baseboard (depending on revision) and doesn't require a PCl slot. Nonvolatile data can be
stored on it. The module is backed up by the APC620 battery.
The following system unit hardware revisions are required before mounting the SRAM module:
• 5PC600.SX01-00 starting with Rev I0
• 5PC600.SX01-00 starting with Rev. H0
• 5PC600.SX02-01 starting with Rev. K0
• 5PC600.SF03-00 all revisions
• 5PC600.SX05-00 starting with Rev. H0
• 5PC600.SX05-01 starting with Rev. H0
17.1 Technical data
Figure 239: 5AC600.SRAM-00
Features 5AC600.SRAM-00
Connection to system via the PCl bus (PCI PnP)
Memory
Quantity
Battery-buffered
Remanent variables for AR
(Automation Runtime) in power fail
mode
SRAM
512 kB
Yes
256 kB with CPU board 5PC600.E855-xx and 5PC600.X855-xx
192 kB with CPU board 5PC600.X945-00
Station switch 16 digits (0-F)
Data rate Up to 31 MB/s for write access
Up to 25 MB/s for read access
Table 326: Technical data - 5AC600.SRAM-00
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