[?]: How to Reset CPU Download Password

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
SCL, Graph, SPS-VISU S5/S7, IBHsoftec, LOGO ...
fpramanik
Posts: 28
Joined: Tue Oct 15, 2013 1:18 pm

[?]: How to Reset CPU Download Password

Post by fpramanik »

Dear expart,
we have one program, CPU312c-2Dp when we try to download it showing a message:
Set Up Access Rights:
"The module/Memory Card CPU312c-2dp is password protected.

Password:..... "

Thats why we can't download the program after edit something.
Please help me ,How to reset Password?
ytangsuan
Posts: 16
Joined: Wed Mar 18, 2009 2:53 pm
Location: Thailand

Re: How to Reset CPU Download Password

Post by ytangsuan »

Please read the procedure here. https://www.automation.siemens.com/mdm/ ... 4570788363
You should
1. backup a current application
2. test a new edited application
3. do the resetting
4. download to CPU
5. backup application to Micro Memory card.