61
Modbus register maps
A.14 Last sample data
Table 30 shows the register block mirrors of the real-time and buffered data register
blocks with different data. This block is updated with the most recent data at the end of
each sample. Data remains available until the next sample. The update interval is based
on the sample and hold time programmed into the configuration registers (Table 17
Configuration information on page 54).
1463 Key/Passphrase length R/W 2 bytes
0-48 WPA/WPA2 or
0-63 WEP
1464 Roaming R/W 2 bytes Disabled, Enabled
1465-1472 Radio firmware version R 16 bytes ASCII String
1473-1499 Expansion R
Table 29 Wireless configuration (continued)
Address Register description Access Size Notes
Table 30 Last sample data
Address Register Description Access Size (bytes) Notes
1500 Sample UTC timestamp—year R 2 YYYY (2000–9999)
1501 Sample UTC timestamp—month/day R 2 MD (1–12, 1–31)
1502 Sample UTC timestamp—hour R 2 H (0–23)
1503 Sample UTC timestamp—minute/second R 2 MS (0–59, 0–59)
1504 Sample period—hours R 2 H (0–23)
1505 Sample period—minutes/seconds R 2 MS (0–59, 0–59)
1506 Reserved
1507–1508 Sample volume R 4
1509 Sample status R 2 Bitmap
1510 Reserved
1511 Size 1 counts R 4 0–4,294,967,295
1513 Size 2 counts R 4 0–4,294,967,295
1515 Size 3 counts R 4 0–4,294,967,295
1517 Size 4 counts R 4 0–4,294,967,295
1519–1542 Reserved
1543 Analog channel 1 (flow) R 2 mV
1544 Analog channel 2 (temperature) R 2 0.1 ºC external probe only
1545 Analog channel 3 (relative humidity) R 2 0.1% RH external probe only
1546 Analog channel 4 R 2
1547 Analog channel 5 (CAL) R 2 mV
1548–1552 Reserved
1553 Location name R 32 Double byte characters (16)
1585-1599 Expansion
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