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economic2 · Junior 2 Joined: 14 Apr 2018 Posts: 26

Hiiiiiiii
I have a seimens 314c pn/dp plc and i have a TIA PORTAL 14 but i can,t upload the program .but i can open the program when i connecting by ethernet but no uplading.
how can i upload the program

devil_drive · Junior Joined: 05 Jun 2018 Posts: 1

You cant be able to download or upload in a PLC if your project is different in the hardware configuration saved in the MMC card.
You must reset the MMC card and then try to connect to upload project.
Take care on firmware...
Check this topics from Siemens
How do you reset a SIMATIC S7-300 CPU and MMC (default reset or overall reset)?
https://support.industry.siemens.com/cs/document/29801950/how-do-you-reset-a-simatic-s7-300-cpu-and-mmc- (default-reset-or-overall-reset)-?dti=0&lc=en-WW

How do you delete the data on an MMC (micro memory card)?
https://support.industry.siemens.com/cs/document/13992345/how-do-you-delete-the-data-on-an-mmc- (micro-memory-card)-?dti=0&lc=en-WW

Which devices can you use to read from, write to or delete from an S7-300 MMC (Micro Memory Card) outside the CPU?
https://support.industry.siemens.com/cs/document/21829579/which-devices-can-you-use-to-read-from-write-to-or-delete-from-an-s7-300-mmc- (micro-memory-card)-outside-the-cpu-?dti=0&lc=en-WW
Resetting to the Delivery State
https://support.industry.siemens.com/cs/mdm/13008499?c=24570788363&lc=en-WW

Have Simatic Net installed?

shtal · Junior Joined: 06 Jun 2018 Posts: 1

Try to read this
What options are available in STEP 7 (TIA Portal) for uploading when the project version in the CPU no longer matches the version on your PG/PC?
https://support.industry.siemens.com/cs/document/97554052/what-options-are-available-in-step-7- (tia-portal)-for-uploading-when-the-project-version-in-the-cpu-no-longer-matches-the-version-on-your-pg-pc-?dti=0&lc=en-WW

What message do you get>