Sram Address Register - Siemens SIMATIC IPC427C Operating Instructions Manual

Detailed descriptions
16.4 I/O Address Areas
16.4.7

SRAM address register

The battery-buffered SRAM uses a 2 MB memory address area, which can be read via the
PCI register.
Meaning of the bits
SRAM address register
PCI register address:
SRAM base address register
8010 2010h
142
PCI register content:
SRAM memory address (default)
9040 0000h
Address is assigned dynamically
(depending on device)
Length of the memory area
20 0000h
Operating Instructions, 04/2009, A5E02414743-01
SIMATIC IPC427C