[ { "id": "3c01ea259e67c9d9", "type": "group", "z": "271f9aed7163cd66", "style": { "stroke": "#999999", "stroke-opacity": "1", "fill": "none", "fill-opacity": "1", "label": true, "label-position": "nw", "color": "#a4a4a4" }, "nodes": [ "a7e1312e.5108a", "967c021a.4e981", "e174d8df.3ed888", "7a66435e.a64fcc", "95d75091.0ac12", "f5995c2.c28a4a", "1898bb04.622815", "6a49a216f2fd6d49", "b230325ac8272a18", "150e7f4338deb0b8", "1e298e33c4e3de39", "ca5c387b3366f8aa" ], "x": 254, "y": 759, "w": 912, "h": 242 }, { "id": "a7e1312e.5108a", "type": "victron-input-battery", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "service": "com.victronenergy.battery.ttyO4", "path": "/Soc", "serviceObj": { "service": "com.victronenergy.battery.ttyO4", "name": "BMV Quattro", "paths": [ { "path": "/Dc/0/Voltage", "type": "float", "name": "Battery voltage (V)" }, { "path": "/Dc/1/Voltage", "type": "float", "name": "Starter battery voltage (V)" }, { "path": "/Dc/0/Current", "type": "float", "name": "Battery current (A)" }, { "path": "/ConsumedAmphours", "type": "float", "name": "Consumed Amphours (Ah)" }, { "path": "/Soc", "type": "float", "name": "State of charge (%)" }, { "path": "/TimeToGo", "type": "float", "name": "Time to go (h)" }, { "path": "/Relay/0/State", "type": "enum", "name": "Relay status", "enum": { "0": "Open", "1": "Closed" } }, { "path": "/Dc/0/Temperature", "type": "float", "name": "Battery temperature (°C)" }, { "path": "/Dc/0/MidVoltage", "type": "float", "name": "Mid-point voltage of the battery bank (V)" }, { "path": "/Dc/0/MidVoltageDeviation", "type": "float", "name": "Mid-point deviation of the battery bank (%)" }, { "path": "/Alarms/LowVoltage", "type": "enum", "name": "Low voltage alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/HighVoltage", "type": "enum", "name": "High voltage alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/LowStarterVoltage", "type": "enum", "name": "Low starter-voltage alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/HighStarterVoltage", "type": "enum", "name": "High starter-voltage alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/LowSoc", "type": "enum", "name": "Low state-of-charge alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/LowTemperature", "type": "enum", "name": "Low battery temperature alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/HighTemperature", "type": "enum", "name": "High battery temperature alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Alarms/MidVoltage", "type": "enum", "name": "Mid-voltage alarm", "enum": { "0": "No alarm", "2": "Alarm" } }, { "path": "/Dc/0/Power", "type": "float", "name": "Battery power (W)" } ] }, "pathObj": { "path": "/Soc", "type": "float", "name": "State of charge (%)" }, "name": "", "x": 480, "y": 860, "wires": [ [ "967c021a.4e981" ] ] }, { "id": "967c021a.4e981", "type": "switch", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "SoC Switch", "property": "payload", "propertyType": "msg", "rules": [ { "t": "lt", "v": "25", "vt": "str" }, { "t": "lt", "v": "50", "vt": "str" }, { "t": "else" } ], "checkall": "true", "repair": false, "outputs": 3, "x": 710, "y": 860, "wires": [ [ "6a49a216f2fd6d49" ], [ "e174d8df.3ed888" ], [ "b230325ac8272a18" ] ] }, { "id": "e174d8df.3ed888", "type": "function", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "night?", "func": "// get current hours\nconst hr = new Date().getHours();\n\n// trigger a message if the time is between 11pm and 6am or 'night'\nif (hr >= 23 || hr <= 6) {\n return [msg, null]; // input 1\n} else {\n return [null, msg]; // input 2\n}\n", "outputs": 2, "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 890, "y": 860, "wires": [ [ "6a49a216f2fd6d49" ], [ "b230325ac8272a18" ] ] }, { "id": "7a66435e.a64fcc", "type": "victron-output-vebus", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "service": "com.victronenergy.vebus.ttyO5", "path": "/Mode", "serviceObj": { "service": "com.victronenergy.vebus.ttyO5", "name": "MultiPlus 12/3000/120-16", "id": 170784220, "paths": [ { "path": "/Ac/In/1/CurrentLimit", "type": "float", "name": "Input 1 current limit (A)" }, { "path": "/Mode", "type": "enum", "name": "Switch Position", "enum": { "1": "Charger Only", "2": "Inverter Only", "3": "On", "4": "Off" } } ] }, "pathObj": { "path": "/Mode", "type": "enum", "name": "Switch Position", "enum": { "1": "Charger Only", "2": "Inverter Only", "3": "On", "4": "Off" } }, "initial": "", "name": "", "x": 970, "y": 940, "wires": [] }, { "id": "95d75091.0ac12", "type": "change", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "Charger Only (grid input, charge batteries)", "rules": [ { "t": "set", "p": "payload", "pt": "msg", "to": "1", "tot": "str" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 500, "y": 920, "wires": [ [ "1898bb04.622815" ] ] }, { "id": "f5995c2.c28a4a", "type": "change", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "Inverter Only (no grid, use batteries)", "rules": [ { "t": "set", "p": "payload", "pt": "msg", "to": "2", "tot": "str" } ], "action": "", "property": "", "from": "", "to": "", "reg": false, "x": 490, "y": 960, "wires": [ [ "1898bb04.622815" ] ] }, { "id": "1898bb04.622815", "type": "rbe", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "", "func": "rbe", "gap": "", "start": "", "inout": "out", "property": "payload", "x": 730, "y": 940, "wires": [ [ "7a66435e.a64fcc" ] ] }, { "id": "6a49a216f2fd6d49", "type": "link out", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "link out 1", "mode": "link", "links": [ "150e7f4338deb0b8" ], "x": 985, "y": 820, "wires": [] }, { "id": "b230325ac8272a18", "type": "link out", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "link out 2", "mode": "link", "links": [ "1e298e33c4e3de39" ], "x": 985, "y": 880, "wires": [] }, { "id": "150e7f4338deb0b8", "type": "link in", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "link in 1", "links": [ "6a49a216f2fd6d49" ], "x": 305, "y": 920, "wires": [ [ "95d75091.0ac12" ] ] }, { "id": "1e298e33c4e3de39", "type": "link in", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "link in 2", "links": [ "b230325ac8272a18" ], "x": 305, "y": 960, "wires": [ [ "f5995c2.c28a4a" ] ] }, { "id": "ca5c387b3366f8aa", "type": "comment", "z": "271f9aed7163cd66", "g": "3c01ea259e67c9d9", "name": "Charge batteries only using night time rates – unless the SoC is critically low", "info": "This flow tries to maximise the electricity cost savings by charging the batteries only \nduring night time -- unless the battery level is critically low.\n\nThe incoming message from the inverter/charger (Quattro) is routed to one of the \nswitchnode outputs based on the battery level (Stat of Charge, SoC):\n\n- If the battery level is below 25%, charge it regardless of the time of the day\n- If the battery level is between 25% and 50%, charge at night and use battery p\n ower (inverter only mode) during the daytime\n- otherwise (50% - 100% SoC) use battery battery power (inverter only mode)", "x": 550, "y": 800, "wires": [] } ]