Vaisala GMP231 - Manual (Page 59)

Chapter 5 _______________________________________________________________ I2C Interface
VAISALA ________________________________________________________________________ 57
Status Word
The status word is used to monitor the status of the GMP231 device. It
can be read in the same way as any other slave parameter. The status
word is used as a 32-bit long bit field, where each bit represents a state of
some error or other essential status.
Changes in the status word bits can be monitored by reading the status
byte. See section Status Byte on page 56.
Table 18 Status Word Content
Bit# Type Purpose
0 Critical Error Program memory corrupted (CRC error)
1 Critical Error Parameter memory corrupted (CRC error)
2 Error Low IR current
3 Error
4 Error Low supply voltage
5 Error Internal 30V voltage error
6 Error Low input (RX) signal
7 Error Internal 8V voltage error
8 Error Too high input (RX) signal (ADC dynamic range)
9 Error Pressure sensor communication error
10 Error Pressure sensor out of range
11 Error Incubator temperature too high for operation
12 Error CO2 measurement out out range
13 Error Sensor heater error
14 Error IR source temperature error
15 Warning
16 Warning
17 Warning
18 Warning
19 Warning
20 Warning Low input signal
21 Status
22 Status
23 Status
24 Status
25 Status
26 Status
27 Status
28 Status
29 Status
30 Status
31 Status