Domoticz

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local MANUAL_OVERRIDE_SWITCH 	= 383
local SWITCH_OMVORMER			= 382

return {
	active = true,
	on = {
		timer = {
			'every minute',		-- starting from xx:00 triggers every xx minutes (0 > xx < 60)
		},
		httpResponses = { "Omnik" },  -- do not change this
		devices = { 
			MANUAL_OVERRIDE_SWITCH,
			SWITCH_OMVORMER
		},
	},
	logging = {
		level = domoticz.LOG_ERROR,
		marker = 'Omnik Solar',
	},
	data =     
    { 
        last_production = 
        { 
			initial = "0"  
		},	
	},
	
	execute = function(dz, item)

		local script_name			= 'Zonnepanelen 🌞: ' 
		
		-- uitschakelen van script
		local manualOverrideSwitch = dz.devices(MANUAL_OVERRIDE_SWITCH)
			
		if (item == manualOverrideSwitch and manualOverrideSwitch.state == 'On') then
			telegram.sendText(telegram.getId('rik'), script_name .. 'het script is handmatig uitgeschakeld (disable script switches)')
			dz.log(script_name ..  'is handmatig uitgeschakeld (disable script switches)', dz.LOG_DEBUG)
            return
		end	


        local maxResponseSeconds 	= 720 
        local OmnikIP 				= 'xx'   -- Your local Omnik inverter IP Address
        local production_device 	= 379              -- IDX of dummy electricity instant and counter device
        local total_device 			= 380              -- IDX of dummy custom sensor (total kwh)
		local current_device 		= 381
		local switch_omvormer		= dz.devices(SWITCH_OMVORMER)
		local alert 				= dz.devices(378)    		   -- Alert device

		local round = dz.utils.round


        local function checkWebpageResponse()
            local deltaSeconds = dz.time.dDate - dz.data.previousRainSample
            if ( maxResponseSeconds > 0 )  and ( deltaSeconds > maxResponseSeconds ) then
                dz.notify(scriptVar, 'Omnik Inverter did not respond within ' .. tostring(maxResponseSeconds) .. ' seconds.')
            end
        end		 
        local function getOmnikData()
           local urlstring = 'http://' .. OmnikIP .. '/js/status.js'
           dz.openURL  ({ url = urlstring, callback = "Omnik" })
        end	
        
        local function processHTM()
            OmnikData = (item.data):gsub('"',''):gsub("'","")
            OmnikArray = string.match(OmnikData, 'myDeviceArray%[0%].+,;')
            --dz.log('Omnik Array: ' .. OmnikArray,dz.LOG_INFO)
            splittedResult = dz.utils.stringSplit(OmnikArray,',')
            strOmnikCurrentWatt = splittedResult[2]                  -- Amount in Watt
            strOmnikkWhToday = splittedResult[3]                                -- Amount in kWh of the day, not used
            strOmnikTotalkWh = splittedResult[4]                               -- Total generated kWh needs to be converted to Wh
			OmnikCurrentWatt = tonumber(strOmnikCurrentWatt)
            OmnikkWhToday = tonumber(strOmnikkWhToday)/100
            OmnikTotalWh = tonumber(strOmnikTotalkWh)*100
            --dz.log("Received Data: Current Power: " .. OmnikCurrentWatt ..' W',dz.LOG_INFO)
            --dz.log("Received Data: Daily Power: " .. OmnikkWhToday .. ' kWh',dz.LOG_INFO)
            --dz.log("Received Data: Total Power: " .. OmnikTotalWh/1000 .. ' kWh',dz.LOG_INFO)
            -- update Omnik electricity instant and counter device 
            dz.devices(production_device).updateElectricity(OmnikCurrentWatt, OmnikTotalWh)
            dz.devices(total_device).updateCustomSensor(OmnikTotalWh/1000)
			dz.devices(current_device).updateCustomSensor(OmnikCurrentWatt)

         
        end
		 
		 -- Main
		
		if item.isTimer then
			--checkWebpageResponse()
			getOmnikData()
		elseif item.isHTTPResponse and item.ok then -- statusCode == 2xx
			processHTM(item.data)
			switch_omvormer.switchOn().checkFirst()
			--dz.log(item.data,dz.LOG_DEBUG)
		elseif item.isHTTPResponse then -- Inverter staat uit
			--telegram.sendText(telegram.getId('rik'), 'Zonnepanelen komt geen data binnen')
			--dz.log('Could not get (good) data from ' .. OmnikIP,dz.LOG_ERROR)
			--dz.log(item.data,dz.LOG_DEBUG)
			switch_omvormer.switchOff().checkFirst()
		elseif item == switch_omvormer then
			if switch_omvormer.state == 'Off' then
				telegram.sendText(telegram.getId('rik'), script_name .. 'Omvormer schakelt uit, dagproductie:' .. dz.devices(production_device).counterToday .. 'kWh')
			elseif switch_omvormer.state == 'On' then
				telegram.sendText(telegram.getId('rik'), script_name .. 'Omvormer schakelt in')
			end
		end


		if item.isTimer and dz.time.matchesRule('at 22:00') then
					
			local solar_production = dz.devices(production_device).counterToday   -- IDX van Productie zonnepanelen in W en totaal kWh
				
			if round(tonumber(solar_production),1) == 0 then		
				telegram.sendText(telegram.getId('rik'), '🔴 Zonnepanelen lijken niet te werken. Dagproductie: ' .. solar_production .. 'kWh')
				alert.updateAlertSensor(dz.ALERTLEVEL_RED, 'Zonnepanelen lijken niet meer te werken')
			elseif dz.data.last_production == solar_production then
				telegram.sendText(telegram.getId('rik'), '🔴 Zonnepanelen lijken niet te werken. Productie gelijk aan gisteren: ' .. solar_production .. 'kWh')
				alert.updateAlertSensor(dz.ALERTLEVEL_RED, 'Zonnepanelen lijken niet meer te werken')
			elseif round(tonumber(solar_production),1) >= 1 then	
				alert.updateAlertSensor(dz.ALERTLEVEL_GREEN, 'Zonnepanelen werken naar behoren')   
			--	telegram.sendText(telegram.getId('rik'), 'Zonnepanelen dagproductie:' .. solar_production .. 'kWh')
			elseif round(tonumber(solar_production),1) > 0 then	
				alert.updateAlertSensor(dz.ALERTLEVEL_ORANGE, 'Zonnepanelen lijken slechter te werken')
				telegram.sendText(telegram.getId('rik'), '🟡 Zonnepanelen lijken slechter te werken. Dagproductie: ' .. solar_production .. 'kWh')
			end
			
			dz.data.last_production = solar_production
			
		end
	end
}

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serversOK = os.execute('ping -c1 -w 1 '..IPaddr)

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return
{
        on =
    {
        timer   = {'every 1 minutes'}
    },
    execute = function(domoticz)
   — local itho = 884    -- excisting idx if used it WORKS no error
    — local lamp = 226   -- excisting idx of PC it WORKS no error
                            -- so this gives me an easy way to see if the script works
    local test = 1148   -- this is the IDX from the item created with "System alive Checker"
                        -- this one is causing the problem
    local test2 = 1151   -- Extra test ... router alive  Same problem              

	 if domoticz.devices(test2).state ~= 'Off' then
		domoticz.devices(lamp).switchOn()
	end    
end
}

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 2024-01-20 14:03:00.479 Error: dzVents: Error: (3.1.8) There is no device with that name or id: 1151
2024-01-20 14:03:00.479 Error: dzVents: Error: (3.1.8) An error occurred when calling event handler Script #1
2024-01-20 14:03:00.479 Error: dzVents: Error: (3.1.8) ...domoticz/scripts/dzVents/generated_scripts/Script #1.lua:18: attempt to index a nil value