Siemens S7-1200 System Manual page 134

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PLC concepts

4.5 Using a memory card

To download the firmware update to your memory card, follow these steps:

1. Insert a blank SIMATIC memory card that is not write-protected into an SD card

reader/writer attached to your computer. (If the card is write-protected, slide the

protection switch away from the "Lock" position.)

You can reuse a SIMATIC memory card that contains a user program or another firmware

update, but you must delete some of the files on the memory card.

To reuse a memory card, you must delete the "S7_JOB.S7S" file and any existing "Data

Logs" folders or any folder (such as "SIMATIC.S7S" or "FWUPDATE.S7S") before

downloading the firmware update. Use Windows Explorer to display the contents of the

memory card and to delete the file and folders.

2. Select the self-extracting file (.exe) for the firmware update that corresponds to your

module, and download it to your computer. Double-click the update file, set the file

destination path to be the root directory of the SIMATIC memory card, and start the

extraction process. After the extraction is complete, the root directory (folder) of the

memory card will contain a "FWUPDATE.S7S" directory and the "S7_JOB.S7S" file.

3. Safely eject the card from the card reader/writer.

To install the firmware update, follow these steps:

Verify that the CPU is not actively running a process before installing the firmware update.

Installing the firmware update will cause the CPU to go to STOP mode, which could affect

the operation of an online process or machine. Unexpected operation of a process or

machine could result in death or injury to personnel and/or property damage.

Before inserting the memory card, always ensure that the CPU is offline and in a safe state.

Do NOT delete the hidden files "__LOG__" and "crdinfo.bin" from the memory card.

The "__LOG__" and "crdinfo.bin" files are required for the memory card. If you delete

these files, you cannot use the memory card with the CPU.

S7-1200 Programmable controller

System Manual, 03/2014, A5E02486680-AG