| Normal message | |
| 1st bit (most left) | Tr pt1000 temperature |
| 2nd bit | Ra Aux rain amount |
| 3rd bit | Sl ultrasonic level sensor |
| 4th bit | Sr solar radiation |
| 5th bit | Rt pt1000 resistance |
| 6th bit | |
| 7th bit | Analog output mode |
| 8th bit | |
| & | delimiter |
| Composite message | |
| 9th bit | Tr pt1000 temperature |
| 10th bit | Ra Aux rain amount |
| 11th bit | Sl Ultrasonic level sensor |
| 12th bit | Sr solar radiation |
| 13th bit | Rt pt1000 resistance |
| 14th bit | 0 |
| 15th bit | 0 |
| 16th bit (most right) | 0 |