Name Description
x y z a b c d e f
g h i j k l m n o
p q r s
Message data:
• x = Door closed (0)/open (1)
• y = Low battery alarm
• z = Mains on (0)/o (1)
• a = Data logger internal temperature alarm
• b = Not in use. Fixed to 0.
• c = Air temperature measurement status alarm
• d = Relative humidity measurement status alarm
• e = Solar radiation alarm
• f = General hardware alarm. Reserved for alarm types not
specified by other
bits in this message.
• g = Indicates the wind sensor used for reporting:
• 0 = Primary wind sensor
• 1 = Secondary wind sensor
• h ... m = Not in use. Fixed to 0.
• n = Runway temperature alarm
• o = Soil temperature 1 alarm
• p = PTB330 transducer 1 status alarm
• q = PTB330 transducer 2 status alarm
• r = PTB330 transducer 3 status alarm
• s = PTB330 sensor status
<CRC16 %04d>
Message checksum:
• Checksum span = Includes header, until checksum
<ETX><CR><LF><EOT>
Message trailer
Status Bit Message Characteristics
Property
Value
Default send interval 60 s
Polling command
STATBITREP
The message performs a bit logic operation which gives either 0 or 1, where 1 represents
alarm active.
Example of Status Bit Message
<SOH>ST2<STX> 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
14C4<ETX><CR><LF><EOT>
Chapter 4 – AWS Client Usage
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