IRS31Pro-UMB
Operating Manual V10 / 01.2020
G. Lufft Mess- und Regeltechnik GmbH
45
900
905
road condition
uint8
10 Dry
15 Moist
20 Wet
25 Moist with salt
30 Wet with salt
35 Ice
40 Snow
45 Frost
State of coupling
950
state of coupling
uint8
0: Off
1: On, Freezing temperature of a
ARS31(Pro)-UMB received
2: On, Freezing temperature of a
ARS31(Pro)-UMB not received
Measurement Counter
20001
Measurement counter
uint16
0
65520
Resistance
32210
resistive_avg
float32
-1.0E15
1.0E15
ohm
¹ experimental implementation
18.2 Channel List Summary per TLS2012 FG3
The following channels are available specifically for data requests for further processing in TLS format.
These channels are available in binary protocol only.
DE
Type
UMB
Channel
Meaning
Format Range
Resolution Coding
49
1049
Result message
Road surface temperature
FBT
16 bit
-30 … +80°C 0.1°C
80.0
= 800d
=
0320h
0.0
= 0d
=
0000h
-0.1
= -1d
=
FFFFh
-30.0
= -300d = FED4h
Error (32767d = 7FFF)
52
1052
Result message
Residual salt (NaCl)
RS
8 bit
0 … 100%
1%
0
= 0d
=
00h
100
= 100d
=
64h
Error (255d = FFh)
65
1065
Result message
Freezing temperature (NaCl)
GFT
16 bit
-30 … 0°C
0.1°C
0.0
= 0d
=
0000h
-0.1
= -1d
=
FFFFh
-30.0 = -300d = FED4h
Error (32767d = 7FFF)
67
1067
Result message
Below-ground temperature at
depth 1
TT1
(5 cm)
16 bit
-30 … +80°C 0.1°C
80.0
= 800d
=
0320h
0.0
= 0d
=
0000h
-0.1
= -1d
=
FFFFh
-30.0
= -300d = FED4h
Error (32767d = 7FFF)
68
1068
Result message
Below-ground temperature at
depth 2
TT2
(0…30 cm)
16 bit
-30 … +80°C 0.1°C
80.0
= 800d
=
0320h
0.0
= 0d
=
0000h
-0.1
= -1d
=
FFFFh
-30.0
= -300d = FED4h
Error (32767d = 7FFF)
69
1069
Result message
Below-ground temperature at
depth 3
TT3
(30cm)
16 bit
-30 … +80°C 0.1°C
80.0
= 800d
=
0320h
0.0
= 0d
=
0000h
-0.1
= -1d
=
FFFFh
-30.0
= -300d = FED4h
Error (32767d = 7FFF)
