--------------------------------------------------------------------------------
 Description of SOAP XML from Tx5xx/Tx6xx (T5540, T6540, T5541, T6541, T6640,
                                           T5640  T5545, T6545, T5641, T6641)

 structure of SOAP message is described at XSD schema

 v1.1 for firmware 1-5-7.4 and 1-5-7.5, 2017-11-24
--------------------------------------------------------------------------------


|----------------|-------------------------------------------------------------|
| Tag            | Description                                                 |
|----------------|-------------------------------------------------------------|
| <passKey>      | Device serial number (an eight digit number)                |
|----------------|-------------------------------------------------------------|
| <device>       | Device model identification number:                         |
|                |--------------|----------------------------------------------|
|                | Number       | Device                                       |
|                |--------------|----------------------------------------------|
|                | 4155         | T5540                                        |
|                | 4158         | T6540                                        |
|                | 4161         | T5541                                        |
|                | 4164         | T6541                                        |
|                | 4179         | T6640                                        |
|                | 4180         | T5640                                        |
|                | 4191         | T5545                                        |
|                | 4194         | T6545                                        |
|                | 4199         | T5641                                        |
|                | 4200         | T6641                                        |
|----------------|--------------|----------------------------------------------|
| <temp>         | Value of temperature (as decimal place separator is used    |
|                | dot sign). Error signalised by number 9999 or -9999.        |
|----------------|-------------------------------------------------------------|
| <relHum>       | Relative humidity. Error value 9999 or -9999.               |
|----------------|-------------------------------------------------------------|
| <compQuant>    | Computed value/quantity. Error value 9999 or -9999.         |
|----------------|-------------------------------------------------------------|
| <co2>          | CO2 level. Error value -9998 or -9999. Error value -9998 is |
|                | approximately 10 sec after device startup till proper       |
|                | measured value is not available.                            |
|----------------|-------------------------------------------------------------|
| <alarms>       | State of alarms at measurement channels 1-4. Values:        |
|                | no - alarm is not active                                    |
|                | lo - low alarm is active                                    |
|                | hi - high alarm is active                                   |
|                | Example: no,hi,no,no - high alarm on relative humidity      |
|----------------|-------------------------------------------------------------|
| <lev1>         | State of Green CO2 LED.                                     |
|----------------|-------------------------------------------------------------|
| <lev2>         | State of Yellow CO2 LED.                                    |
|----------------|-------------------------------------------------------------|
| <lev3>         | State of Red CO2 LED.                                       |
|----------------|-------------------------------------------------------------|
| <compType>     | Computed value/quantity. Values: Absolute humidity,         |
|                | Specific humidity, Mixing proportion, Specific enthalpy,    |
|                | Dew point, n/a                                              |
|----------------|-------------------------------------------------------------|
| <tempU>        | Temperature and Dew point unit. Values: C, F, n/a           |
|----------------|-------------------------------------------------------------|
| <timer>        | SOAP sending interval in [sec].                             |
|----------------|-------------------------------------------------------------|

