User Manual

Section 2: General operation Series 2200 Programmable DC Power Supplies Reference Manual
2-36 2200S-901-01 Rev. A/November 2011
Memory devices
The following tables list nonvolatile and volatile memory devices. Detailed procedures to sanitize or
clear these devices are shown after the tables.
Nonvolatile memory devices
Type and
minimum
size
Function
User
modifiable
Data input
method
Location
To sanitize
EEPROM,
8k x 8 bit
Current setup,
saved setups,
and calibration
constants
Yes
Firmware
operations
and user
input
Main
board
See Clear nonvolatile memory
devices procedure (on page 2-36).
Flash 8k x
bit
List Data
Yes
Firmware
operations
and user
input
Main
board
See Clear nonvolatile memory
devices procedure (on page 2-36).
AT91SAM7X
256, 256k
Flash
No
Firmware
update
CPU board
See Clear volatile memory devices
procedure (on page 2-36).
STM32F103
C8, 64k –
128k Flash
No
Firmware
update
Main board
See Clear volatile memory devices
procedure (on page 2-36).
Volatile memory devices
Type and minimum
size
Function
User
modifiable
Data input
method
Location
To clear
AT91SAM7X256,
64k SRAM
No
Firmware
operations
CPU
board
Cycle power with minimum of 15
seconds off
STM32F103C8,
20k SRAM
No
Firmware
operations
Main
board
Cycle power with minimum of 15
seconds off
Clear nonvolatile memory devices procedure
This procedure clears the flash and EEPROM memory. After performing this procedure, the power
supply will return to the factory default settings.
1. Press the front-panel Shift key.
2. Press the front-panel . (decimal point) key.
3. Press the front-panel 2 key.
Clear volatile memory devices procedure
This procedure clears the STM32F103 and AT91SAM.
1. Press the front-panel power button to turn the instrument off.
2. Wait at least 15 seconds before turning the instrument back on.