CPU Memory: Data Types and Addressing Modes
User program
CPU configuration
V memory
M memory
Timer and counter
current values
Figure 5-12
When you upload a project from the CPU, as shown in Figure 5-13, the CPU
configuration is uploaded from the RAM to your computer. The user program and
the permanent V memory area are uploaded from the EEPROM to your computer.
User program
CPU configuration
V memory
M memory
Timer and counter
current values
Figure 5-13
5-16
User program
CPU configuration
Data block (DB1): up to the
maximum V memory range
S7-200 CPU
User program
CPU configuration DB1
RAM
Downloading the Elements of the Project
CPU configuration
RAM
Uploading the Elements of the Project
User program
CPU configuration
V memory
(permanent area)
M memory
(permanent area)
EEPROM
S7-200 CPU
User program
CPU configuration
V memory
DB1
(permanent area)
M memory
(permanent area)
EEPROM
S7-200 Programmable Controller System Manual
A5E00066097-02