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Add S7CommPlus alarm handling and subscriptions #820

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Add S7CommPlus alarm handling and subscriptions #820

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3ee6c7b
feat(s7commplus): add alarm handling
gijzelaerr Aug 18, 2026
fd13226
fix: align alarm subscriptions with real PLC framing
gijzelaerr Aug 20, 2026
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1 change: 1 addition & 0 deletions CHANGES.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ Major release: new `s7commplus` package with S7CommPlus protocol support.
* S7CommPlus PLC start/stop via INVOKE
* S7CommPlus object browsing via EXPLORE
* S7CommPlus live symbol browsing (`client.browse()`) and datablock listing (experimental)
* S7CommPlus active-alarm browsing and alarm subscriptions (experimental)
* TIA Portal XML import for SymbolTable (`SymbolTable.from_tia_xml()`) (experimental)
* S7CommPlus CPU state reading and block transfer (upload/download)
* **Symbolic (LID-based) access for optimized DBs** (experimental):
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5 changes: 5 additions & 0 deletions s7commplus/__init__.py
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Expand Up @@ -18,6 +18,7 @@
from .async_client import S7CommPlusAsyncClient as AsyncClient
from .server import S7CommPlusServer as Server, DataBlock, CPUState
from .connection import S7CommPlusConnection
from .alarm import Alarm, AlarmNotification, AlarmText, LanguageId
from .tag_browser import (
Tag,
Member,
Expand All @@ -34,6 +35,10 @@
"DataBlock",
"CPUState",
"S7CommPlusConnection",
"Alarm",
"AlarmNotification",
"AlarmText",
"LanguageId",
"decompress_blob",
"find_and_decompress",
"Tag",
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