Specifications

CPU Memory: Data Types and Addressing Modes
5-23
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
You can install or remove the memory cartridge while the CPU is powered on. To
install the memory cartridge, remove the plastic cover from the PLC, and insert the
memory cartridge on the PLC. (The memory cartridge is keyed for proper
installation.) After the memory cartridge is installed, use the following procedure to
copy the program.
1. If the program has not already been downloaded to the CPU, download the
program.
2. Use the menu command PLC Program Memory Cartridge to copy the
program to the memory cartridge. Figure 5-20 shows the elements of the CPU
memory that are stored on the memory cartridge.
3. Remove the memory cartridge (optional).
RAM EEPROM (Permanent)
User program
V memory
CPU configuration
M memory
Timer and counter
current values
User program
CPU configuration
V memory (permanent area)
User program
V memory
(permanent area)
CPU configuration
M memory
(permanent area)
Memory
Cartridge
Figure 5-20 Copying the CPU Memory to the Memory Cartridge