Evohome Control via DzVents Script Help

[tmh88]

Morning all,
I’m a noob to Domoticz and been playing with DeVents. I’m a PLC programmer by trade and have a good understanding of control, but limited knowledge with regards to scripting.
I would like to setup a script to change the mode on my Evohome to “auto” if the outside temp falls below a setpoint/ constant value and if the outside temp rises above a setpoint/ constant value, change the mode to “heating off”.
So far, I have a test script running to monitor the outside temp and write a text file to the log if the temp drops below or above a set of constant values.

I’m struggling with changing the mode my Evohome via the DzVent scripts, I have read the wiki info
And have setup another script setup to try and test it. see below

Code: Select all

return {
	active = true,

	on = {

    timer = {'every minute'},

	},


	execute = function(domoticz, triggeredItem, info)

    domoticz.log(domoticz.devices('EvoTouch').state)
    domoticz.devices('EvoTouch').setMode(domoticz.EVOHOME_MODE_HEATINGOFF, nil, nil, nil )
         

    end
}

so far the log returns the following,

Code: Select all

/generated_scripts/Evohome State.lua
2019-11-15 22:28:00.574 Status: dzVents: Info: ------ Start internal script: Evohome State:, trigger: every minute
2019-11-15 22:28:00.610 Status: dzVents: Info: Auto
2019-11-15 22:28:00.610 Status: dzVents: Error (2.4.19): An error occured when calling event handler Evohome State
2019-11-15 22:28:00.610 Status: dzVents: Error (2.4.19): ...ticz/scripts/dzVents/generated_scripts/Evohome State.lua:14: attempt to call field 'setMode' (a nil value)
2019-11-15 22:28:00.611 Status: dzVents: Info: ------ Finished Evohome State 

and I’m stuck. any help would be greatly apricated