Siemens SIMATIC NET CP 343-1 Manuel d'utilisateur télécharger pdf (Page 55)

8 Compatibility with Predecessor Products

B−55

CP 343-1 Advancedfor Industrial Ethernet / Manual Part B

Release 06/2008

C79000-G8976-C202-04

8.2 Changes

Please note the following modified features compared with the predecessor

modules:

Modifications in construction compared with the CP 343-1 Advanced GX21

S The mode selector is no longer present

(the mode can be changed in the SIMATIC Manager in STEP 7 or NCM

Diagnostics).

Functional modifications

S Configuration limits for CBA for cyclic interconnections reduced to a maximum

of 250 bytes;

S ACL-LOG file in the file system no longer exists, LOG data can be viewed via

HTTP server.

8.3 Replacing older modules: spares / upgrading

Distinction

When replacing existing modules with the module described here, the following

variants must be distinguished:

S Use as a replacement:

The situation described here is when an existing module can be replaced by a

new module by removing and inserting it with no change to the configuration.

S Upgrading (functionally compatible module replacement)

The situation in this case is when the module described here can be used

instead of an older module as long as adaptations are made in the

configuration. The CP used previously is replaced by the new CP in the

configuration.

Unless stated otherwise, the range of functions of the older module continues to be

supported in both cases.

You can also upgrade modules listed under “use as a replacement”. This becomes

necessary when you want to use new features that were not available on the

previously used module.

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Siemens SIMATIC NET CP 343-1 Manuel d'utilisateur Page 55