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Initial commit: CODESYS tree, integration docs, Node-RED scripts.

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PLC application sources (NVL, rooms, boiler), HA/Node-RED integration guide, and NVL patch utilities.

Co-authored-by: Cursor <cursoragent@cursor.com>
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nearxos
2026-05-26 21:21:56 +03:00
commit d98c44bfa3
27 changed files with 3844 additions and 0 deletions
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33
codesys-tree/Device/Plc Logic/Application/4.Programs/Boiler_PRG.st Normal file
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(* === DECLARATION === *)
(* Water heater — fb_boiler; coil mapped to NVL_Sender.boiler_status.relay_output (%QX5.4). *)
PROGRAM Boiler_PRG
VAR
heater : fb_boiler;
max_on_minutes : INT;
max_on_time : TIME;
END_VAR
(* === IMPLEMENTATION === *)
max_on_minutes := NVL_Receiver.boiler_cmd.max_on_time_minutes;
IF max_on_minutes <= 0 THEN
max_on_minutes := 480;
END_IF;
max_on_time := T#1M * max_on_minutes;
heater(
ha_on := NVL_Receiver.boiler_cmd.ha_on,
ha_off := NVL_Receiver.boiler_cmd.ha_off,
schedule_on := NVL_Receiver.boiler_cmd.schedule_on,
schedule_off := NVL_Receiver.boiler_cmd.schedule_off,
emergency_stop := NVL_Receiver.boiler_cmd.emergency_stop,
max_on_time := max_on_time
);
NVL_Sender.boiler_status.state := heater.state;
NVL_Sender.boiler_status.relay_output := heater.relay_control;
NVL_Sender.boiler_status.on_time_minutes := DINT_TO_INT(heater.on_time_seconds / 60);
NVL_Sender.boiler_status.remaining_minutes := DINT_TO_INT(heater.remaining_seconds / 60);
NVL_Sender.boiler_status.emergency_active := heater.emergency_active;
NVL_Sender.boiler_status.time_limit_reached := heater.time_limit_reached;
NVL_Sender.boiler_status.error_state := heater.error_state;
NVL_Sender.boiler_status.error_code := heater.error_code;