Domoticz

Code: Select all

    ----------------------------------------------------------------------------------------------------------------
    -- Get the actual data from a Kostal Piko Inverter
    -- Uses Piko.py  http://sourceforge.net/projects/piko/files/
	--
    -- Example output of piko.py:
    -- Total energy    : 11651331 Wh
    -- Today energy    : 13104 Wh
	-- DC Power        : 1454 W
	-- AC Power        : 1342 W
	-- Efficiency      : 92.3%
    ----------------------------------------------------------------------------------------------------------


return {
    on      =   {   timer   = { "every 5 minutes"}},   
   
    execute = function(dz)            
        local inverter = dz.devices("DEVICE_NAME_IN_DOMOTICZ")
		local inverter_ip = "X.X.X.X"

        local f = assert(io.popen("python /home/pi/domoticz/scripts/piko.py --host=" .. inverter_ip .. " -p -i -d", 'r'))
        local s = assert(f:read('*a'))
        f:close()
        
        power=s:match('AC Power.-:(.-)W') -- in W
        energy=s:match('Total energy.-:(.-)Wh') -- in Wh

		inverter.updateElectricity(power,energy)
    end
}

Code: Select all

return {
	on = {
		timer = {
			'every 5 minutes'
		},
		httpResponses = {
			'trigger' -- must match with the callback passed to the openURL command
		}
	},
	execute = function(domoticz, item)

		if (item.isTimer) then
			domoticz.openURL({
				url = 'http://INVERTER-IP-ADDRESS/api/dxs.json?dxsEntries=67109120&dxsEntries=251658753', -- 67109120 = current power W and 251658753 = lifetime total kWh
				method = 'GET',
				callback = 'trigger',
			})
		end

		if (item.isHTTPResponse) then
            
			if (item.statusCode == 200) then
			    local json = domoticz.utils.fromJSON(item.data) -- Convert to JSON because Piko does not specify it as json in header
			    if json.dxsEntries[1]['dxsId'] == 67109120 and json.dxsEntries[2]['dxsId'] == 251658753 then
			        local current = json.dxsEntries[1]['value']
			        local lifetime = json.dxsEntries[2]['value']
			        print('Piko - Current power: ' .. domoticz.utils.round(current,0) .. ' W | Lifetime total: ' .. domoticz.utils.round(lifetime,3) .. ' kWh')
			        local inverter = domoticz.devices("Kostal PIKO Virtual device name")
			        inverter.updateElectricity(current,(domoticz.utils.round(lifetime,3)*1000)) -- lifetime needs to be in Wh (not kWh)
		        else
		            print('Entries not found or incorrect entries found in table') 
			    end

			else
				domoticz.log('There was a problem handling the request', domoticz.LOG_ERROR)
				domoticz.log(item, domoticz.LOG_ERROR)
			end

		end

	end
}

Code: Select all

  ----------------------------------------------------------------------------------------------------------------
    -- Get the actual data from a Kostal Piko Inverter
    -- Uses Piko.py  http://sourceforge.net/projects/piko/files/
	--
    -- Example output of piko.py:
    -- Total energy    : 11651331 Wh
    -- Today energy    : 13104 Wh
	-- DC Power        : 1454 W
	-- AC Power        : 1342 W
	-- Efficiency      : 92.3%
    ----------------------------------------------------------------------------------------------------------


return {
    on      =   {   timer   = { "every 10 minutes"}},   
    execute = function(dz)            
        local inverter = dz.devices("KostalDZ")
        --- local invtotal = dz.devices("Zonneenergie")
		local inverter_ip = "10.0.0.2"

        local f = assert(io.popen("/usr/bin/python2.7 /home/pi/domoticz/scripts/piko.py --host=10.0.0.2 -p -i -d", 'r'))
        local s = assert(f:read('*a'))
        f:close()
        --print("Device is On")
        power=s:match('AC Power.-:(.-)W') -- in W
        --print(s)
        energy=s:match('Today energy.-:(.-)Wh') -- in Wh
        total =s:match('Total energy.-:(.-)Wh') -- in Wh
       -- print (power)
       -- print (total)
        if dz.time.matchesRule("between sunrise and sunset") then
		    inverter.updateElectricity(power+1,energy)
		-- invtotal.updateElectricity(total)
		end
    end
}