Input registers - WXT530

WXT530 Series User Guide
Product status
Document code
M211840EN
Revision
G
ft:locale
en-US
Product
WXT530
Document type
User guide

Input registers (device status and measurement values)

Table 1. Device status
Register values
Reg. no Address Description High byte Low byte
1 0x0000 Device identification WXT530 model

WXT531: 01

WXT532: 02

WXT533: 03

WXT534: 04

WXT535: 05

WXT536: 06

 SW version Value = last digits of SW version number
2 0x0001 Reserved
3 0x0002 Measurement parameters according to different WXT530 model Temperature

00 = Available

07 = Not available

 Dew point

00 = Available

07 = Not available
4 0x0003 Relative humidity Absolute humidity
5 0x0004 Mixing ratio Air pressure
6 0x0005 Wind Rain
7 0x0006 External sensors at analog inputs 1 Solar radiation sensor

00 = Connected

07 = Not connected

 Level sensor

00 = Connected

07 = Not connected
8 0x0007 Temperature sensor Rain gauge
Table 2. Commonly used unit system independent values
Measurement range
Reg. no Addr. Quantity Reg. min. Reg. max. Error value SF 2 S/U 3
11 0x000A Relative humidity (%RH) Instant 0 1000 32767 10 S
12 0x000B Min.
13 0x000C Max.
14 0x000D Avg.
15 0x000E Relative air pressure (hPa) Instant 3000 12000 32767 10 S
16 0x000F Min.
17 0x0010 Max.
18 0x0011 Avg.
19 0x0012 Wind direction (°) Instant 0 3599 32767 10 S
20 0x0013 Min.
21 0x0014 Max.
22 0x0015 Avg.
23 0x0016 Raw
24 0x0017 Reserved
25 0x0018 Reserved
26 0x0019 Precipitation type 4 Instant 0 90 32767 1 S
27 0x001A Wind measurement quality (%) Instant 0 100 65535 1 U
28 0x001B Global radiation (W/m2) Instant 0 20000 32767 10 S
29 0x001C Min.
30 0x001D Max.
31 0x001E Avg.
Table 3. Measurement values in metric units (°C, m/s, mm, mm/h)
Measurement range
Reg. no Addr. Quantity (Unit) Reg. min Reg. max Error value SF 5 S/U 6
32 0x001F Air temperature (°C) Instant -500 600 32767 10 S
33 0x0020 Min.
34 0x0021 Max.
35 0x0022 Avg.
36 0x0023 Dew point (°C) Instant -500 600 32767 10 S
37 0x0024 Min.
38 0x0025 Max.
39 0x0026 Avg.
40 0x0027 Wind chill temperature (°C) Instant -600 700 32767 10 S
41 0x0028 Reserved
42 0x0029 Heater temperature (°C) Instant -500 1500 32767 10 S
43 0x002A Wind speed (m/s) Instant 0 750 32767 10 S
44 0x002B Min.
45 0x002C Max.
46 0x002D Avg.
47 0x002E Reserved
48 0x002F Wind speed (m/s) Raw 0 750 32767 10 S
49 0x0030 Precipitation accumulation (absolute) (mm) 7 Instant 0 65530 8 65535 100 U
50 0x0031 Precipitation accumulation (differential) (mm) 9 Instant 0 10000 65535 100 U
51 0x0032 Precipitation intensity (mm/h) Instant 0 20000 65535 100 U
Table 4. Measurement values in imperial units (°F, mph, in, in/h)
Measurement range
Reg. no Addr. Quantity Reg. min. Reg. max. Error value SF 10 S/U 11
52 0x0033 Air temperature (°F) Instant -580 1400 32767 10 S
53 0x0034 Min.
54 0x0035 Max.
55 0x0036 Avg.
56 0x0037 Dew point (°F) Instant -580 1400 32767 10 S
57 0x0038 Min.
58 0x0039 Max.
59 0x003A Avg.
60 0x003B Wind chill temperature (°F) Instant -760 1580 32767 10 S
61 0x003C Reserved
62 0x003D Heater temperature (°F) Instant -580 3020 32767 10 S
63 0x003E Wind speed (mph) Instant 0 1678 32767 10 S
64 0x003F Min.
65 0x0040 Max.
66 0x0041 Avg.
67 0x0042 Reserved
68 0x0043 Wind speed (mph) Raw 0 1678 32767 10 S
69 0x0044 Precipitation accumulation (in) (absolute) 12 Instant 0 25800 13 65535 1000 U
70 0x0045 Precipitation accumulation (in) (differential) 14 Instant 0 39370 65535 10000 U
71 0x0046 Precipitation intensity (in/h) Instant 0 65530 65535 10000 U
Table 5. Other measurement values
Measurement range
Reg. no Addr. Quantity Reg. min Reg. max Error value SF 15 S/U 16
72 0x0047 Absolute humidity (g/m3) Instant 0 10000 32767 10 S
73 0x0048 Min.
74 0x0049 Max.
75 0x004A Avg.
76 0x004B Mixing ratio (g/kg) Instant 0 10000 32767 10 S
77 0x004C Min.
78 0x004D Max.
79 0x004E Avg.
80 0x004F Abs. air pressure (hPa) Instant 3000 12000 32767 10 S
81 0x0050 Min.
82 0x0051 Max.
83 0x0052 Avg.
84 0x0053 Wind speed (km/h) Instant 0 2700 32767 10 S
85 0x0054 Min.
86 0x0055 Max.
87 0x0056 Avg.
88 0x0057 Reserved
89 0x0058 Wind speed (knots) Instant 0 1458 32767 10 S
90 0x0059 Min.
91 0x005A Max.
92 0x005B Avg.
93 0x005C Reserved
94 0x005D Wind speed (km/h) Raw 0 2700 32767 10 S
95 0x005E Wind speed (knots) Raw 0 1458 32767 10 S
96 0x005F Reserved
97 0x0060 Reserved
98 0x0061 Reserved
99 0x0062 Wet bulb temp (°C) Instant -500 600 32767 10 S
100 0x0063 Wet bulb temp (°F) Instant -580 1400 32767 10 S
101 0x0064 Specific enthalpy (kJ/kg) Instant -1000 10000 32767 10 S
102 0x0065 Air density (kg/m3) Instant 0 3000 32767 1000 S
103 0x0066 Reserved
104 0x0067 Reserved
105 0x0068 Reserved
106 0x0069 Reserved
107 0x006A Reserved
108 0x006B External temperature (°C) Instant -400 800 32767 10 S
109 0x006C External temperature (°F) Instant -400 1760 32767 10 S
110 0x006D Wind measurement quality (%) Raw 0 100 65535 1 U
111 0x006E Reserved
112 0x006F Reserved
1 Only solar radiation and temperature sensor supported in measurement input registers.
2 Scaling factor
3 Signed / Unsigned
4

Precipitation Type, register No. 26

  • 0 = No Precipitation
  • 40 = Precipitation
  • 90 = Hail
5 Scaling factor
6 Signed / Unsigned
7 Continuous accumulated value
8 Precipitation accumulation saturates to maximum value. Write 0x3247 to Modbus register address 0x0007 to reset the precipitation counters.
9 Accumulated value between 2 consecutive requests
10 Scaling factor
11 Signed / Unsigned
12 Continuous accumulated value
13 Precipitation accumulation saturates to maximum value. Write 0x3247 to Modbus register address 0x0007 to reset the precipitation counters.
14 Accumulated value between 2 consecutive requests
15 Scaling factor
16 Signed / Unsigned