Vaisala GMP231 - Manual (Page 57)

Chapter 5 _______________________________________________________________ I2C Interface
VAISALA ________________________________________________________________________ 55
1403-163
Figure 15 Set_Parameter with ACK
1403-118
Figure 16 Get_Parameter with NACK
1403-117
Figure 17 Get_Parameter with Alarm
NOTE The alarm can be any of the state bits in the status byte.
Ma
st
e
r
Sl
a
ve
Set_Parameter,Pressure_ID,1013.25
I2C Write
Set_Parameter,Pressure_ID,ACK
I2C Read
Ma
st
e
r
Sl
a
ve
Get_Parameter,CO2_ID
I2C Write
Get_Parameter, CO2_ID,nan,NACK
I2C Read
Ma
st
e
r
Sl
a
ve
Get_Parameter,CO2_ID
I2C Write
Get_Parameter, CO2_ID, 665, Alarm bit =1, ACK
I2C Read
Get_Parameter,Status_ID
I2C Write
Get_Parameter,Status_ID,statusword,ACK
I2C Read