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docs: audit Sweet Grass bin alarm PLC sources and migration gaps

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snkbyte
2026-10-21 19:44:28 +00:00
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@@ -52,3 +52,7 @@ Cloud guide links:
October 21 follow-up: corrected the KAV East Water Wells series for water:g_well30_flow_out_eu from Well 29 to Well 30. Saved and verified after fresh configuration reload and on the live chart legend; bindings and other chart settings preserved. See KAV-GUIDE.md.
October 21 Lazy B follow-up: attempted to verify Well 3 timer replacements. Water System register searches found no tss, totalTmr, runtime or wellNW1 entries. Existing daily counters and disabled well3_i_UTS do not establish the requested timer semantics. No site changes made; awaiting correct PLC tags, units and lifetime runtime write semantics. See LAZY-B-GUIDE.md.
## Sweet Grass alarm migration direction — October 21, 2026
User identifies the old Main Plant PLC as Horner and wants its alarms migrated to the new Codesys plant PLC. HMI slave IDs are main_plc (Main PLC) and codesys_plc (Codesys PLC); groater_plc and sg_dryer are separate sources. SWEET-GRASS-GUIDE.md now maps 39 bin/equipment high/full alarms and migration gaps. Source reassignment and PLC logic equivalence remain unperformed/unverified. User also confirms the recent Atom HMI upgrade moved alarm logs to a new database, making previous history unavailable.