Operating Manual

IRS31Pro-UMB Operating Manual V10 / 01.2020
G. Lufft Mess- und Regeltechnik GmbH 51
Temperature
Road surface temperature
-40.0 80.0 °C
-40.0 176.0 °F
External temperatures
-40.0 80.0 °C
-40.0 176.0 °F
Freezing temperature
-40.0 0.0 °C
-40.0 32.0 °F
Water Film Height
Water film height 0.0 10000.0 µm
Percentage
Ice percentage 0.0 100.0 %
Saline concentration 0.0 100.0 %
Friction 0.0 1.0 none
18.4.9 Status and Error Codes in ASCII Protocol
In addition to the normalization of the output of measurement values, various error codes are defined
from 65521d – 65535d.
Codes:
<code> Description
65521d Invalid channel
65523d Measurement value outside measuring range (too high)
65524d Measurement value outside measuring range (too low)
65525d Measurement data error or no valid data available
65526d Device / sensor unable to execute valid measurement due to ambient conditions
65527d Measurement error
65528d Channel off (deactivated)
65534d Invalid calibration
65535d Unknown error