Specifications

CPU Memory: Data Types and Addressing Modes
5-16
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
RAM EEPROM
User program
V memory
(permanent area)
CPU configuration
M memory
(permanent area)
User program
CPU configuration DB1
CPU configuration
Data block (DB1): up to the
maximum V memory range
User program
V memory
CPU configuration
M memory
Timer and counter
current values
S7-200 CPU
User program
Figure 5-12 Downloading the Elements of the Project
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
and the CPU configuration is uploaded from the RAM to your computer.
CPU configuration
RAM EEPROM
User program
V memory
CPU configuration
M memory
Timer and counter
current values
S7-200 CPU
User program
V memory
(permanent area)
CPU configuration
M memory
(permanent area)
DB1
Figure 5-13 Uploading the Elements of the Project