Download  Print this page

Battery Status Register (read-only, Address 50ch); Nvram Address Register - Siemens simatic ipc227e Operating Instructions Manual

Industrial pc.
Hide thumbs

Advertisement

Technical specifications
7.5 Hardware descriptions
7.5.5.5

Battery status register (read-only, address 50Ch)

The status of the CMOS battery is monitored; the status (two-tier) can be read from the
battery status register.
Meaning of the bits
Battery status register (read-only, address 404Dh)
Bit
7
0
0
1
7.5.5.6

NVRAM address register

NVRAM occupies a 512 KB memory address area that can be read via PCI registers.
Meaning of the bits
NVRAM address register
PCI register address:
NVRAM base address regis-
ter
9060 0000h
118
6
5
4
3
2
1
0
1
1
Meaning
0
CMOS battery capacity is still sufficient.
CMOS battery capacity is exhausted (remaining capacity is
sufficient for approx. one month)
CMOS battery is empty
PCI register content:
NVRAM memory address (default
setting)
Address is assigned dynamically
(depending on device configura-
tion)
Operating Instructions, 11/2016, A5E35782395-AB
Length of the memory area
80000 h
SIMATIC IPC227E

Advertisement

   Also See for Siemens simatic ipc227e

Comments to this Manuals

Symbols: 0
Latest comments: