Commissioning
12.7 Backing up and restoring the CPU configuration
Automation system
System Manual, 01/2023, A5E03461182-AK
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Storage of multilingual project texts
When you configure a CPU, texts of different categories result, e.g.
• Object names (names of blocks, modules, tags, etc.)
• Comments (for blocks, networks, watch tables, etc.)
• Messages and diagnostic texts
Texts are provided by the system, for example texts in the diagnostics buffer, or they are
created during configuration, for example, messages.
Texts exist in the project in one language or, after a translation process, in multiple
languages. You can maintain project texts in all languages available to you in the project tree
(Languages & resources > Project texts). The texts produced when configuring can be
downloaded to the CPU.
The following texts are downloaded in the selected languages with the project data to the
CPU and are also used by the Web server/CPU display:
• Diagnostics buffer texts (cannot be changed)
• Status texts for the module status (cannot be changed)
• Message texts with associated text lists
• Tag comments and step comments for S7 GRAPH and PLC Code Viewer
• Comments in watch tables
The following texts are also downloaded in the selected languages with the project
languages to the CPU but are not used by the Web server/CPU display:
• Comments in tag tables (for tags and constants)
• Comments in global data blocks
• Comments of elements in block interfaces of FBs, FCs, DBs and UDTs
• Network titles in blocks written in LAD, FBD or STL
• Block comments
• Network comments
• Comments of LAD and FBD elements
The S7-1500 CPUs support the storage of multilingual project texts in up to three different
project languages. If the project texts for a project language nevertheless exceed the memory
space reserved for them, the project cannot be downloaded to the CPU. The download is
aborted with a notice that not enough memory space is available. In such a case, take
measures to reduce the required storage space, for example by shortening comments.
You will find information on parameterization of multilingual project texts in STEP 7 in the
STEP 7 online help.
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