User guide

Chapter 5 _______________________________________________________________ I2C Interface
VAISALA ________________________________________________________________________ 55
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Figure 15 Set_Parameter with ACK
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Figure 16 Get_Parameter with NACK
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Figure 17 Get_Parameter with Alarm
NOTE
The a
larm can be any of the state bits in the status byte.
Master
Slave
Set_Parameter,Pressure_ID,1013.25
I2C Write
Set_Parameter,Pressure_ID,ACK
I2C Read
Master
Slave
Get_Parameter,CO2_ID
I2C Write
Get_Parameter,CO2_ID,nan,NACK
I2C Read
Master
Slave
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