eBus 2.0 new binding - cannot access Vaillant VR61 module with external .json

Hi,

i have tryed some settings from the VR61 config file and found the following working setting:

{
“id”: “custom-vr61”,
“vendor”: “Vaillant”,
“label”: “Vaillant VR61”,
“description”: "Vaillant VR61 ",

    "authors":      ["Name, mail@mail"],

    "identification":       ["56 36 31 30 29"],

    "commands":
    [    
		
		{
			"label":    "HC2 Heating curve",
			"id":       "HeatingCurve2",
			"command":  "B5 09",
			"template": 
			[
				{"name": "HeatingCurve2", "type": "uint", "label": "HC2 Heating curve", "divider":100,"factor":0.010}
			], 
			
			"get": 
			{
				"master": [
					{"type": "static", "default": "0D 15 00"}
				],
				"slave": [
					{"type": "template-block"}
				]
			},
				"set": 
					{
				"master": [
					{"type": "static", "default": "0E 15 00"},
					{"type": "template-block"}
				]
			}
		},
		
		{
			"label":    "HC1 Pump Status",
			"id":       "HC1PumpStatus",
			"command":  "B5 09",
			
			"get": 
			{
				"master": [
					{"type": "static", "default": "0D 42 00"}
				],
					"slave": [
                {"name": "HC1PumpStatus", "type": "uchar", "label": "HC1 Pump Status", "min": 0, "max": 1, "mapping": {"1":"on", "0":"off"}}
				]
			}
		},
		
		{
			"label":    "HC2 Pump Status",
			"id":       "HC2PumpStatus",
			"command":  "B5 09",
			
			"get": 
			{
				"master": [
					{"type": "static", "default": "0D 43 00"}
				],
					"slave": [
                {"name": "HC2PumpStatus", "type": "uchar", "label": "HC2 Pump Status", "min": 0, "max": 1, "mapping": {"1":"on", "0":"off"}}
				]
			}
		},
		{
			"label":    "VF2 flow sensor temperature",
			"id":       "vf2_sensor_hc2",
			"command":  "B5 09",

			"get": 
			{
				"master": 
				[
					{"type": "static", "default": "0D 00 00"}
				],
				"slave": 
				[
					{"name": "temp_room", "type": "data2c", "label": "Flow temperature", "min": 0, "max": 60, "format":"%.1f°C"},
					{"name": "status", "type": "uchar", "label": "Flow temperature status",
						"mapping": {"0":"Ok", "85":"Circuit", "170":"Cutoff"}}
				]
			}
		},
		{
        "label":    "HC2 Operation mode",
        "id":       "HC2.heating.program_heating_circuit",
        "command":  "B5 09",

        "template": [
            {"name": "program", "type": "uchar", "label": "HC2 Operation mode", "format":"%d",
                "mapping": {"0":"Off", "1":"Manual", "2":"Auto", "3":"Day", "4":"Night", "5":"Summer"}}
        ],

        "get": {
            "master": [
                {"type": "static", "default": "0D 31 00"}
            ],
            "slave": [
                {"type": "template-block"}
            ]
        },
	{
		"label": "HC2_ManualOPRoomSetpoint",
		"id": "Hc2ManualOPRoomTempDesired",
		"command": "B5 09",
		"template": [
			{"name":"Hc2ManualOPRoomTempDesired","type":"data1c","label":"room setpoint in operation mode manual of the second heating circuit","format":"%.1f°C"}
		],
		"get": {
			"master": [
				{"type":"static","_default":"0D 34 00"}
			],
			"slave": [
				{"type":"template-block"}
			]
		},
		"set": {
			"command": "B5 09",
			"master": [
				{"type":"static","_default":"0E 34 00"},
				{"type":"template-block"}
			]
		}
	}
	
		
		
	]

}