Switching Over Interfaces; Memory Reset / Reset To Factory Defaults - Siemens SIMATIC NET S7-400 Manual

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Configuration and operation

6.2 Switching over interfaces

6.2

Switching over interfaces

The choice of the interface to be used, RNA interface or Ethernet interface is made in the

configuration of the CP. Each configuration or changeover of the interface therefore requires

that the configuration data is downloaded again.

NOTICE

Interface change - load configuration data only via other module

If you change over the currently active interface and when you load the configuration data,

you will need to use an interface of the CPU or the interface of another CP to load the

configuration data.

If you load the configuration data via the interface of the CP 443-1 RNA, on which the

interface should be switched over, the loading cannot be completed.

6.3

The CP has a twolevel function available for resetting memory:

● Memory reset

● Resetting to factory setting

Note

Data on the CP is deleted - CPU data is retained

The functions for resetting and resetting to factory defaults described here do not change

the configuration data on the CPU! Only the data kept on the CP is deleted.

If you subsequently upload the configuration data from the CPU to a PG you will always

object the configuration data that was previously on the CP (with parameters,

connections, IP address).

Note

Memory reset - ACL (access control list)

After a memory reset on the module, the following applies:

• ACL remains active.

CP 443-1 RNA

Manual, 03/2019, C79000-G8976-C299-04

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Simatic net cp 443-1 rna