Submodules
8.2 Program memory modules CPU550/551
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
219
8.2
Program memory modules CPU550/551
Article number
Program memory module MC500
6DD1610-0AH4
Program memory module MC510
6DD1610-0AH6
Program memory module MC521
6DD1610-0AH3
Description
The program memory modules are used to store the processor program (including the
operating system) you configured in HW Config and CFC.
Installation/ programming
The program memory module is inserted into the submodule slot provided on the CPU
module and can by loaded with the user program in two ways:
●
By means of an integrated PCMCIA ("PC Card") programming adapter on the PC
(loading in offline mode)
●
Directly from the PC to the memory module inserted in the CPU module via serial
communication connection (download in online mode)
Program size
The volume of configuration data to download to the memory module (compressed to
approx. 50 %) and the free program memory space can be viewed in the CFC by selecting:
PLC / Load / Info
Memory overview
The following table shows the differences in the application and expansion of the program
memory modules:
Application
MC521
MC500
MC510
Flash memory for storing the configuration data
2 MB
4 MB
8 MB
EEPROM for variable operating parameters
8 KB
8 KB
8 KB
Flash memory is non-volatile and can be electrically programmed and erased.
Dimensions
Dimensions W x H x D [mm]
54 x 85.6 x 3.3 mm
Weight
30 g
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