Buffered Sample Data - Hach Met One 6000 Series User Manual

Modbus register maps
Address Register description
385–399 Expansion
A.5 Buffered sample data
Address Register description
400 Number of buffered sample records
401 Retrieve buffered record
402 Buffered record ready
403 Erase buffer
404–499 Expansion
56
Table 19 Sample data (continued)
Sample alarm status
Registers 309 and 509, sample status and buffered sample status, contain the sample
alarm status (refer to Table 20
Table 20 Register 309 sample alarm status
Address Status
0 Calibration
1 Flow
2 Temperature
3 Relative humidity
4 Air velocity
5 System alarm
6 Count alarm
7 Reserved
8 Channel 1 count alarm
9 Channel 2 count alarm
10 Channel 3 count alarm
11 Channel 4 count alarm
12–15 Reserved
Table 21 shows the offline buffered sample record access control.
Table 21 Buffered sample record control
Table 22
Access Size (bytes) Notes
for an example). These alarms are bit-wise mapped.
Access Size (bytes) Data format
R 2
W 2
R 2
W 2
0–1000
1
1 = record available
1 = start