SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
217
Program memory modules CPU555
Article number
The program memory modules are used to store the processor program (including the
operating system) you configured in HW Config and CFC and for saving online changes.
Installation/ programming
The program memory module is inserted into the submodule slot X4 provided on the
CPU555 module and can by loaded with the user program in various ways:
●
– Via a MMC programming adapter installed on the PC
– Via a SIMATIC USB prommer (6ES7792-0AA00-0XA0) connecte via USB to the PC
●
– Directly from the PC via a communication link (e.g. PROFINET) into the memory
module plugged into the CPU555 module.
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
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