{
    "rtype":  0,   // 0 = modbus, 1 = http/json

    "name": "SMA STP SE battery 1",   // as displayed in the config dialog
    "manufacturer": "SMA",
    "dev_type": "sma_stp_se_1",   // 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": 96, 
    "modbus_write": 16,          // function code to write register(s)
    "modbus_write_max_registers": 64,
    
    "reserved": [0x7fffffff, 0x80000000, 0xffffffff],

    // values used to build the model string
    "type_designation": {
        "fixed": "STP SE Battery"
    },
    "version": {
        "fixed": "1.0"
    },
    "firmware_version": {
        "address": 30059,
        "type": "int32",
        "length": 3,
    },
    "serial": {
        "address": 30005,
        "type": "int32",
    },
    
    // instantaneous values
    "cha_w": {
       "address": 31393,
       "type": "int32"      
    },
    "discha_w": {
       "address": 31395,
       "type": "int32"      
    },
    "power_w": {
        "expr": "cha_w-discha_w"
    },
    "soc": {
        "address": 30845,
        "type": "int32"
    },
    
    "power_val": {
       "expr": "(exists(discharge_power_w) ? discharge_power_w : 0) - (exists(charge_power_w) ? charge_power_w : 0)"  
    },
   
    
 "outputs": [
        {  // Batteriesteuerung aktivieren, Modbusadresse 40151 mit Wert 802 beschreiben, Das Register wird periodisch alle 180sek beschrieben
       "address": "#180#http://localhost/cnf?cmd=modbus_set&addr=${address}&func=16&id=${id}&reg=40151&val=${bat_mode ? 802 : 803}&type=d"
        },
       {   // (Ent-)Ladeleistung in Watt Modbusadresse 40149
        "address": "${if bat_mode > 0`http://localhost/cnf?cmd=modbus_set&addr=${address}&func=16&id=${id}&reg=40149&val=${power_val}&type=d}"
        }
    ]
 
}