dear experts,

i am trying to protect my program from unauthorized access , i am using s7 400 cpu is 6ES7 414-2XK 05-0AB0, I  set read/write protection in cpu properties , and i download program in RAM after that i download

"user program to memory  card" ,  but when i upload this found no protection is there.

even i tried this with other laptop but no protection find.

please suggest me how can i protect my program that no one can access it from RAM and not from memory card  , before this i worked with s7 300 this is my first project on s7 400.

thanks

rawatveer

dear experts,

i am trying to protect my program from unauthorized access , i am using s7 400 cpu is 6ES7 414-2XK 05-0AB0, I  set read/write protection in cpu properties , and i download program in RAM after that i download

"user program to memory  card" ,  but when i upload this found no protection is there.

even i tried this with other laptop but no protection find.

please suggest me how can i protect my program that no one can access it from RAM and not from memory card  , before this i worked with s7 300 this is my first project on s7 400.

thanks

 Hello,

If you can, have you tried to power off the PLC and then reconnect it and retry?

How can you activate the protection level with a password in the HW Config for an S7 CPU?