Siemens SINUMERIK 840C - Manual (Page 763)

11 Data Backup/CPU Replacement 01.99
11.1.2 General notes on data backup
Overview of the data on the following modules:
MMC CPU PLC CPU NCK CPU
Hard disk
DRAM
Centronics V24
DRAM
MPF
SPF
IKA2, 3
SW
DRAM
SRAM
TEA1
TEA4
SEA
RPA
IKA1
ZOA
TOA
GIA
DRAM
SRAM
TEA2
Clock/date
SRAM
User mem.
Data mem.
System
data
Oper. sys.
Monitor
NC keyboard
PG PCIN Streamer
PG S5
CSB
Battery
for all
data
in the SRAM
DRAM
Software and TEA3
DRAM
Software and TEA3
FDD FDD
611D
PG function
in MMC
SW and
MD for
611D
11–4 © Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)