Can access to a xx7 CPU be protected with a password?

FAQ #100068


No. This function is not supported. Our OEM versions of the PCD2 xx7 series offer effective protection by executing parts of the Step®7 application as an operating system extension. Further information is given in Technical Information TI 26/353 (Operating system xx7). This documentation can be downloaded under:



xx7 Series / CPU and operating system

Last update: 31.05.2015 18:47

First release: 08.06.2004 14:20

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The requested software / document is no longer marketed by Saia-Burgess Controls AG and without technical support. It is an older software version which can be operated only on certain now no longer commercially available products.