Users Manual

Operating Instructions Smart Weather Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany 147
Example Sensor Status 1:
Temperature buffer status, temperature status, dewpoint buffer status, dewpoint status
High Byte
Low Byte
High
Low
High
Low
Temperatur
e-Buffer
Temperatur
e
Dew point
-
Buffer
Dew point
5
3
0
7
The example values above (for illustration only, the given combination will not occur in
reality) are combined to the register value 0x5307 = 21255.
The single status are retrieved from the register as integer part of
Status 1 = register / 4096
Status 2 = (register / 256) AND 0x000F
Status 3 = (register / 16) AND 0x000F
Status 4 = register AND 0x000F
Following table shows the status coding:
Coding of Sensor Status:
Sensor State
Code
OK
0
UNGLTG_KANAL
1
E2_CAL_ERROR
E2_CRC_KAL_ERR
FLASH_CRC_ERR
FLASH_WRITE_ERR
FLASH_FLOAT_ERR
2
MEAS_ERROR,
MEAS_UNABLE
3
INIT_ERROR
4
VALUE_OVERFLOW
CHANNEL_OVERRANGE
VALUE_UNDERFLOW
CHANNEL_UNDERRANGE
5
BUSY
6
Other Sensor State
7