Operating Manual
Smart Weather Sensor
128
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
Example Sensor Status 1
:
Temperature buffer status, temperature status, dewpoint buffer status, dewpoint status
High Byte
Low Byte
High
Low
High
Low
Temp
e
ra
tu
r
e
-B
u
ff
e
r
Temp
e
ra
tu
r
e
D
e
w
p
o
int
-
B
u
ff
e
r
D
e
w
p
o
int
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