Operating Manual
IRS31Pro-UMB Operating Manual V10 / 01.2020
G. Lufft Mess- und Regeltechnik GmbH 34
11.5 Overview channel list of an IRS31-UMB (IRS31Pro-UMB in IRS31-UMB compatibility mode)
The channel assignment applies to online data requests in UMB protocol.
The data types used are described in section 6.1.1
The change between average value and current measurement is done on an IRS31-UMB with the sensor
configuration.
UMB-Channel Measuring Range
act min max avg Measurement Variable Data type min max Unit
Road surface temperature
100 100 Road Temperature uint16 0 65520 norm value
101 101 Road Temperature float32 -40,0 80,0 °C
102 102 Road Temperature float32 -40,0 176,0 °F
External temperature
110 110 Temperature 1 uint16 0 65520 norm value
111 111 Temperature 1 float32 -40,0 80,0 °C
112 112 Temperature 1 float32 -40,0 176,0 °F
120 120 Temperature 2 uint16 0 65520 norm value
121 121 Temperature 2 float32 -40,0 80,0 °C
122 122 Temperature 2 float32 -40,0 176,0 °F
Freezing temperature
150 150 Freezing Temperature uint16 0 65520 norm value
151 151 Freezing Temperature float32 -40,0 0,0 °C
152 152 Freezing Temperature float32 -40,0 32,0 °F
160 160 Freezing Temp. NaCl uint16 0 65520 norm value
170 170 Freezing Temp. NaCl float32 -40,0 0,0 °C
180 180 Freezing Temp. NaCl float32 -40,0 32,0 °F
Water film height
600 600 Water Film Height uint16 0 65520 norm value
601 601 Water Film Height uint16 0,0 10000,0 µm
602 602 Water Film Height float32 0,0 393,70 mil
Saline concentration
800 800 Saline Concentration uint16 0 65520 norm value
801 801 Saline Concentration float32 0 100 %
810 810 Saline Concentr.NaCl uint16 0 65520 norm value
820 820 Saline Concentr.NaCl float32 0 100 %
910 910 Salinity NaCl float32 0 1000 g/m2
920 920 Salinity NaCl float32 0 1000 lbs.p.l.mile
Ice percent
830 830 Percent Ice NaCl
uint16 0 65520 norm value
840 840 Percent Ice NaCl
float32 0 100 %
Road condition
900 900 Road Condition def. uint8
0 dry
1 moist
2 wet
3 ice
4 snow
5 residual salt
6 freezing wet
7 critical
>90 undefined
902 902 Road Condition uint8
0 dry
1 moist
2 wet
3 ice
4 snow
5 residual salt
6 freezing wet
7 critical
>90 undefined
State of coupling