Nilan ventilation cts 602 modbus communication

Using http for reading register group:

http://[device]/read/[group]

Showing groups

http://[device]/help

Setting value

http://[device]/set/[group]/[address]/[value]

Sends group temp(also includes RH) to mqqt server every 3. minute.

Openhab items:

Switch nilanrun {mqtt=">[my:ventilation/RunSet:command:ON:1],>[my:ventilation/RunSet:command:OFF:0]"}
Number nilanrunstate {mqtt="<[my:ventilation/control/RunSet:state:REGEX(([0-9-]+))]"}
Number nilanmode {mqtt=">[my:ventilation/ModeSet:state::default]"}
Number nilanmodestate {mqtt="<[my:ventilation/control/ModeSet:state:REGEX(([0-9-]+))]"}
Number nilanvent {mqtt=">[my:ventilation/VentSet:state::default]"}
Number nilanventstate {mqtt="<[my:ventilation/control/VentSet:state:REGEX(([0-9-]+))]"}
Number nilantemp {mqtt=">[my:ventilation/TempSet:state::REGEX(([0-9-]+))]"}
Number nilantempstate {mqtt="<[my:ventilation/control/TempSet:state:REGEX(([0-9-]+))]"}
Number nilaninlet "Ventilation indgang temp [%s]" {mqtt="<[my:temp/T7_Inlet:state:REGEX(.?([0-9.]+).]"}
Number nilanoutside "Ventilation ude temp [%s]" {mqtt="<[my:temp/T8_Outdoor:state:REGEX(.?([0-9.]+).*]"}

Openhab sitemap:

Frame label="Ventilation" {
Switch item=nilanrun label="Tændt"
Selection item=nilanmode label="Funktion" mappings=[0= "Off", "1"="Heat", "2" = "Cool", 3 = "Auto", 4 = "Service"]
Selection item=nilantemp label="Temperatur" mappings=[1900="19", 2200="22", 2500="25"]
Selection item=nilanvent label="Hastighed" mappings=[0="0",1="1",2="2",3="3",4="4"]
}