IAI America SSEL - Manual (Page 95)

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Part 1 Installation
5.1.2 When the System-Memory Backup Battery (Optional) is Used
Change the setting of other parameter No. 20 to 2 (System-memory backup battery installed).
Since the programs, parameters and symbols are read from the flash memory at restart, the data in the
temporary memory will remain the same as the original data before edit unless the edited data are written to the
flash memory.
The controller always operates in accordance with the data in the main CPU memory (excluding the parameters).
Battery backup memory
Positions
SEL global data
(flags, variables, strings)
Error lists
Data edited on the PC
or teaching pendant
Data will be retained while the power
is on and cleared upon reset
Data will be retained even after
the power is turned off
PC
software,
TP
Transfer
Transfer
Main CPU memory
Programs
Parameters
(other than slave card
parameters)
Symbols
Write to flash memory
Transfer upon reset
Transfer upon reset
Transfer
Main CPU flash memory
Slave card memory
Transfer
Write to flash memory
Transfer upon reset
Transfer upon reset
Transfer upon reset
Slave card memory
Write to flash memory
Transfer
Slave card parameters
(encoder parameters,
etc.)
Slave card
parameters
(variable portions of
driver parameters)
Slave card
parameters
(fixed portions of
driver parameters)
(Cannot be changed)