{
    "rtype":  0,   // 0 = modbus, 1 = http/json
    "mtype": 4, // 0 = other, 1 = meter, 2 = inverter, 4 = battery

    "name": "FoxESS H3 Hybrid Battery",   // as displayed in the config dialog
    "manufacturer": "FoxESS",
    "dev_type": "foxess_h3_bat",   // will be prefixed by "meter_"

    // modbus parameters
    "rtu": {
        "silence_period": 50,    // msec
        "silence_same_slave": false,
        "retries": 4,
        "rcv_timeout": 120       // msec
    },
    "modbus_read": 3,            // function code to read registers
    "modbus_read_max_registers": 60, 
    "modbus_allow_gaps": false,    
    "modbus_write": 16,          // function code to write register(s)
    "modbus_write_max_registers": 48,
    
    // values used to build the model string
    "type_designation": {
       "address": 30000,
       "type": "string",
       "length": 16
    },
    "version": {
       "fixed": "1.0"
    },
    "firmware_version": {
       "address": 30016,
       "type": "int16"
    },
    "serial": {
       "fixed": "0"
    },
    
    // instantaneous values
    
    
    "maxcharge_initial": {
    "address": "41007",
    "type": "int16",
    "once": true
    },
    
     "maxdischarge_initial": {
    "address": "41008",
    "type": "int16",
    "once": true
    },
    
    "power_w": {
       "address": 31036,
       "type": "int16",
       "resolution": -1.0
    },
    "soc": {
       "address": 31038,
       "type": "int16"
    },
    
    
    "*maxch_ini": {
       "expr": "maxcharge_initial"
    },
    "*maxdis_ini": {
       "expr": "maxdischarge_initial"
    },
    
    "outputs": [
       { "address": "http://localhost/cnf?cmd=modbus_set&addr=${address}&func=6&id=${id}&reg=41007&val=${charge_power_w}&type=d"
       },
       { "address": "http://localhost/cnf?cmd=modbus_set&addr=${address}&func=6&id=${id}&reg=41008&val=${discharge_power_w}&type=d"
       }
    ],
    
    "resets": [
       { "address": "http://localhost/cnf?cmd=modbus_set&addr=${address}&func=6&id=${id}&reg=41007&val=${maxcharge_initial}&type=d"
       },
       { "address": "http://localhost/cnf?cmd=modbus_set&addr=${address}&func=6&id=${id}&reg=41008&val=${maxdischarge_initial&type=d"
       }
    ]
 }