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AEROCET-380 Operation Manual Rev A
9.2 Output
A Comma Separated Value (CSV) report will be generated for each data inquiry.
9.2.1 Comma Separated Value (CSV)
The CSV output fields are both comma separated and fixed length.
CSV Header:
Time,Conc,Flow,BV,Loc,Status (Time, Concentration, Flow, Battery Voltage, Location,
Status)
CSV Example Record:
2014-05-05 14:47:43,0000231,001,000,*01751
9.2.2 Status
The last entry of the CSV output is the status indicating alarms or errors. Status bits
combinations are possible. For example, 6 = Span Test failure and IOP Current alarm.
Status Bits
Bit
Value
Condition
0
OK (no alarms or errors)
0
1
Zero Calibration self test failure
1
2
Span Test failure
2
4
IOP Current alarm
3
8
Pressure Sensor failure
4
16
Flow Failure (more than 5% for 5 minutes)
5
32
Not Used
6
64
Internal Link Down
7
128
Low Battery
9.3 MODBUS Communication
The AErocet-380 supports MODBUS communications protocol with any serial connection
that is set in the Modbus Setup in Section 5.4.2. The serial transmission is RTU mode. The
following MODBUS registers are used to access various readings.
9.3.1 MODBUS 4x Registers
Name
Address
Type
Points Description
Modbus
Address
0
Int16
1
Modbus address
Byte Order
1
Int16
1
Value 1 to 4
Year
100
Uint16
1
Set time Year
Month
101
Uint16
1
Set time Month
Day
102
Uint16
1
Set time Day
Hour
103
Uint16
1
Set time Hour
Minute
104
Uint16
1
Set time Minute
Second
105
Uint16
1
Set time Second
Date/Time
106
Uint32
2
Set Unix time (Seconds since Jan 1 1970)
Содержание AEROCET-380
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