55
Modbus register maps
A.3 Data label
Table 18 provides a register for sample and analog data labels.
A.4 Sample data
Sample data records (Table 19) are updated at each polled interval regardless of the
sample and hold times in the configuration registers. If real-time data is not required, use
the buffered records (address 500+).
Table 18 Count bin data labels
Address Register description Access Size (bytes) Data format
200 Size 1 label R/P 4 0.2–10.0 microns
202 Size 2 label R/P 4 0.2–10.0 microns
204 Size 3 label R/P 4 0.2–10.0 microns
206 Size 4 label R/P 4 0.2–10.0 microns
208–231 Reserved
232 Analog input 1 label R 4 CAL
234 Analog input 2 label R 4 TMP
236 Analog input 3 label R 4 RH
238 Analog input 4 label R 4 FLO
240–251 Reserved
252–299 Expansion
Table 19 Sample data
Address Register description Access Size (bytes) Notes
300 Sample UTC timestamp—year R 2 YYYY (2000–9999)
301 Sample UTC timestamp—month/day R 2 MD (1–12, 1–31)
302 Sample UTC timestamp—hour R 2 H (0–23)
303 Sample UTC timestamp—minute/second R 2 MS (0–59, 0–59)
304 Sample period—hours R 2 H (0-23)
305 Sample period—minutes/seconds R 2 MS (0–59, 0–59)
306 Reserved
307-308 Sample volume R 4
309 Sample status. Refer to Table 20. R 2 Bit wise mapped
310 Reserved
311 Size 1 counts R 4 0–4,294,967,295
313 Size 2 counts R 4 0–4,294,967,295
315 Size 3 counts R 4 0–4,294,967,295
317 Size 4 counts R 4 0–4,294,967,295
319–342 Reserved
343 Analog channel 1 (flow) R 2 mV
344 Analog channel 2 (temperature) R 2 0.1 ºC external probe only
345 Analog channel 3 (relative humidity) R 2 0.1% RH external probe only
346 Analog channel 4 R 2
347 Analog channel 5 (CAL) R 2 mV
348–352 Reserved
353 Location name R 32 Double byte characters (16)
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