Lufft SHM31 User Manual

Communication in Modbus mode
56 Snow depth sensor SHM 31, V2.1
15
14
SHM31 error code
(see chapter 13.3.3)
1
U
16
15
SHM31 error code (cur)
(see chapter 13.3.3)
1
U
17
16
Accumulated operating time
lower 16bit of attended time [sec]
1
U
18
17
Accumulated operating time
upper 16bit of attended time [sec]
1
U
19
18
System time
lower 16bit of system time [sec]
1
U
20
19
System time
upper 16bit of system time [sec]
1
U
Standard data set metric
21
20
Snow height mm (cur)
Range:
-16000 … 16000
1
S
22
21
Block temperature °C (cur)
Range:
-400 … 1000 → -40.0 … 100.0
10
S
23
22
Ambient temperature °C (cur)
Range:
-500 … 1000 → -50.0 … 100.0
10
S
24
23
Laser temperature °C (cur)
Range:
-600 … 800 → -60.0 … 80.0
10
S
25
24
Normalized signal
Range:
0 … 255
1
U
26
25
Tilt angle ° (cur)
Range:
-1800 … 1800 → -180.0 … 180.0
10
S
27
26
SHM31 error code
Range:
0 … 255 (see chapter 13.3.3)
1
U
28
27
reserved
29
28
reserved
30
29
reserved
Standard data set imperial
31
30
Snow height in (cur)
Range:
-12598 … 12598 → -629.9 … 629.9
20
S
32
31
Block temperature °F (cur)
Range:
-400 … 2120 → -40.0 … 212.0
10
S
33
32
Ambient temperature °F (cur)
Range:
-580 … 2120 → -58.0 … 212.0
10
S
34
33
Laser temperature °F (cur)
Range:
-760 … 1760 → -76.0 … 176.0
10
S
35
34
Normalized signal
Range:
0 … 255
1
U
36
35
Tilt angle ° (cur)
Range:
-1800 … 1800 → -180.0 … 180.0
10
S
37
36
SHM31 Error-Code
Range:
0 … 255 (see chapter 13.3.3)
1
U
38
37
reserved
39
38
reserved
40
39
reserved
Distances
41
40
Snow height mm (cur)
Range:
-16000 … 16000
1
S
42
41
Snow height mm (min)
Range:
-16000 … 16000
1
S
43
42
Snow height mm (max)
Range:
-16000 … 16000
1
S
44
43
Snow height mm (avg)
Range:
-16000 … 16000
1
S
45
44
Distance calibrated mm (cur)
Range:
-500 … 21000
1
S
46
45
Distance raw mm (cur)
Range:
-500 … 21000
1
S
47
46
Snow height in (cur)
Range:
-12598 … 12598 → -629.9 … 629.9
20
S
48
47
Snow height in (min)
Range:
-12598 … 12598 → -629.9 … 629.9
20
S
49
48
Snow height in (max)
Range:
-12598 … 12598 → -629.9 … 629.9
20
S
50
49
Snow height in (avg)
Range:
-12598 … 12598 → -629.9 … 629.9
20
S
51
50
Distance calibrated in (cur)
Range:
-394 … 16536 → -19.7 … 826.8
20
S
52
51
Distance raw in (cur)
Range:
-394 … 16536 → -19.7 … 826.8
20
S
53
52
Reference height mm
Range:
0 … 16000
1
S
54
53
Snow height mm, high resolution
Range (mit Offset 1000.0):
0 … 64000 → -1000.0 … 5400.0
10
U
55
54
reserved
Temperatures metric
56
55
Block temperature °C (cur)
Range:
-400 … 1000 → -40.0 … 100.0
10
S
57
56
Block temperature °C (min)
Range:
-400 … 1000 → -40.0 … 100.0
10
S

Lufft SHM31 Specifications

General

Brand	Lufft
Model	SHM31
Category	Accessories
Language	English