Lufft SHM31 User Manual

Communication in Modbus mode
58 Snow depth sensor SHM 31, V2.1
100
99
Normalized signal (max)
Range:
0 … 255
1
U
101
100
Normalized signal (avg)
Range:
0 … 255
1
U
102
101
reserved
103
102
reserved
104
103
reserved
105
104
reserved
Service channels
106
105
Status block heating
0 = Heating off
1 = Heating on
1
U
107
106
Internal NTC temperature °C
Range:
-400 … 1000 → -40,0 … 100,0
10
S
108
107
reserved
109
108
Block heating defrost time sec
Range:
0 … 65535
1
U
110
109
Status window heating
0 = Heating off
1 = Heating on
1
U
111
110
External NTC temperature °C
Range:
-500 … 1000 → -50,0 … 100,0
10
S
112
111
reserved
113
112
Window heating defrost time sec
Range:
0 … 65535
1
U
114
113
Laser gain code
Range:
0 … 255
1
U
115
114
Laser signal intensity (µV)
0,1
S
116
115
Laser distance mm
Range:
0 … 32000
1
U
117
116
Laser temperature °C
Range:
-600 … 8000 → -60,0 … 80,0
10
S
118
117
Operating voltage V
Range:
-400 … 400 → -40.0 … 40.0
10
S
119
118
reserved
120
119
reserved

Lufft SHM31 Specifications

General

Brand	Lufft
Model	SHM31
Category	Accessories
Language	English