#OPTION User Compute Scripts
    time_now = time.time()
    if time_now - time_past >= timer_period: #this user section is called every timer_period (in secs)
        #USER CODE timed functions HERE
        print('\nTIMER! User Functions Run ',time_now)                                                                    
        # TEST read device variable from ubidots
        query_variable = "fanstate" #this is cloud side variable setup in Ubidots that used to control the device parameter
        query = "curl -X GET -H \"X-Auth-Token:" + ubidots_token + "\" -H \"Content-Type: application/json\" "
        query = query + "https://industrial.api.ubidots.com/api/v1.6/devices/" + ubidots_device + "/" + query_variable + "/values/?page_size=1"                        
        print(query) #this is the query URL to retrieve cloud side variable
        answer = os.popen(query).read()
        json_answer = json.loads(answer)
        var_answer = int(json_answer['results'][0]['value']) #cloud side variable is parsed into script variable for further operation
        print ('Fanstate:',var_answer)
        if (var_answer==1) and (var_last==0):
            os.system("lua /scripts/novus_on.lua") #custom user script to swicth a field device e.g. via Modbus RTU register mod
            var_last = 1   
            print("On FAN")
        elif (var_answer==0) and (var_last==1):
            os.system("lua /scripts/novus_off.lua")
            var_last = 0   
            print("Off FAN")
        # END timed functions END
        time_past = time.time()
    # MAIN loop sleep
    time.sleep(0.2)