Node Red decision flow based on two inputs

two-inputs.json

[
    {
        "id": "188103abad4ff1bc",
        "type": "tab",
        "label": "2 inputs",
        "disabled": false,
        "info": "",
        "env": []
    },
    {
        "id": "ef99b5cc27daa945",
        "type": "victron-input-battery",
        "z": "188103abad4ff1bc",
        "service": "com.victronenergy.battery/256",
        "path": "/Soc",
        "serviceObj": {
            "service": "com.victronenergy.battery/256",
            "name": "BMV-702"
        },
        "pathObj": {
            "path": "/Soc",
            "type": "float",
            "name": "State of charge (%)"
        },
        "name": "",
        "onlyChanges": false,
        "x": 200,
        "y": 100,
        "wires": [
            [
                "62448a39ef78d0a2"
            ]
        ]
    },
    {
        "id": "cf012c59723ef20c",
        "type": "victron-input-solarcharger",
        "z": "188103abad4ff1bc",
        "service": "com.victronenergy.solarcharger/258",
        "path": "/Yield/Power",
        "serviceObj": {
            "service": "com.victronenergy.solarcharger/258",
            "name": "BlueSolar Charger MPPT 150/35 rev1"
        },
        "pathObj": {
            "path": "/Yield/Power",
            "type": "float",
            "name": "PV Power (W)"
        },
        "name": "",
        "onlyChanges": false,
        "x": 260,
        "y": 260,
        "wires": [
            [
                "97a5de681eb8819e"
            ]
        ]
    },
    {
        "id": "62448a39ef78d0a2",
        "type": "change",
        "z": "188103abad4ff1bc",
        "name": "Save SOC",
        "rules": [
            {
                "t": "set",
                "p": "soc",
                "pt": "flow",
                "to": "payload",
                "tot": "msg"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 190,
        "y": 160,
        "wires": [
            [
                "d49e90329cc02868"
            ]
        ]
    },
    {
        "id": "97a5de681eb8819e",
        "type": "change",
        "z": "188103abad4ff1bc",
        "name": "Save PV Power",
        "rules": [
            {
                "t": "set",
                "p": "pvpower",
                "pt": "flow",
                "to": "payload",
                "tot": "msg"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 200,
        "y": 200,
        "wires": [
            [
                "d49e90329cc02868"
            ]
        ]
    },
    {
        "id": "d49e90329cc02868",
        "type": "function",
        "z": "188103abad4ff1bc",
        "name": "Calculate grid setpoint",
        "func": "let soc = flow.get('soc')\nlet pvpower = flow.get('pvpower')\n\nif ( soc === undefined | pvpower === undefined) {\n    return;\n}\n\nif (soc > 85 & pvpower > 1500) {\n  msg.payload = -1800\n}\nif (soc > 85 & pvpower < 1500) {\n    msg.payload = -500\n}\nif ( soc > 50 & soc < 85 & pvpower > 1500) {\n    msg.payload = -500\n}\n\nif ( soc < 30 ) {\n    msg.payload = 0\n}\n\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 440,
        "y": 180,
        "wires": [
            [
                "0629439fb1499f84"
            ]
        ]
    },
    {
        "id": "0629439fb1499f84",
        "type": "victron-output-ess",
        "z": "188103abad4ff1bc",
        "service": "com.victronenergy.settings",
        "path": "/Settings/CGwacs/AcPowerSetPoint",
        "serviceObj": {
            "service": "com.victronenergy.settings",
            "name": "Venus settings"
        },
        "pathObj": {
            "path": "/Settings/CGwacs/AcPowerSetPoint",
            "type": "integer",
            "name": "Grid set-point (W)",
            "writable": true
        },
        "name": "",
        "onlyChanges": false,
        "x": 700,
        "y": 180,
        "wires": []
    }
]