Operating Manual V 3.3 / 9 Dec 2019
MARWIS-UMB / STARWIS-UMB
8.4.1 Connecting the MARWIS-UMB / STARWIS-UMB to the protective housing................................22
8.5 Example: Mounting with magnetic bar carrier for horizontal installation and short protective housing.27
8.6 Example: Mounting with magnetic bar carrier for vertical installation and long protective housing......28
8.7 Mounted correctly?.............................................................................................................................. 28
9 Connections................................................................................................................................................. 29
9.1 Connection plug................................................................................................................................... 29
9.2 Pin assignment.................................................................................................................................... 29
9.3 Supply voltage..................................................................................................................................... 30
9.4 RS485-interface................................................................................................................................... 30
9.5 Bluetooth connection........................................................................................................................... 30
10 Commissioning.......................................................................................................................................... 31
10.1 Adaption of the sensor....................................................................................................................... 31
10.1.1 Possible reasons why an adaption may fail...............................................................................31
10.2 Selecting the settings for the road condition model...........................................................................31
10.2.1 Illustration of how the road condition is determined...................................................................32
10.3 Important hints prior to commissioning..............................................................................................33
11 Carrying out the sensor adaption............................................................................................................... 34
11.1 Adaption with the MARWIS-App......................................................................................................... 34
12 Configuration and test................................................................................................................................ 34
12.1 Factory Settings................................................................................................................................. 34
13 Firmware Update....................................................................................................................................... 35
13.1 Update with the MARWIS-App or ConfigTool.Net..............................................................................35
14 Maintenance.............................................................................................................................................. 35
14.1 Cleaning the sensor front glass pane.................................................................................................35
14.2 Checking the bolted connections......................................................................................................35
15 Technical Data........................................................................................................................................... 36
15.1 Device................................................................................................................................................ 36
15.2 Measuring Range / Accuracy............................................................................................................. 37
15.2.1 Road Surface Temperature........................................................................................................ 37
15.2.2 Road Condition.......................................................................................................................... 37
15.2.3 Dew point temperature............................................................................................................... 37
15.2.4 Water film................................................................................................................................... 37
15.2.5 Relative humidity at road temperature.......................................................................................37
15.2.6 Relative humidity....................................................................................................................... 38
15.2.7 Ambient temperature11.............................................................................................................. 38
15.2.8 Friction....................................................................................................................................... 38
15.2.9 Ice percentage........................................................................................................................... 38
15.2.10 Snow Height............................................................................................................................ 38
15.3 Drawings............................................................................................................................................ 39
15.3.1 MARWIS-UMB / STARWIS-UMB with short protective housing.................................................39
15.3.2 MARWS-UMB with long protective housing...............................................................................40
16 Declaration of Conformity.......................................................................................................................... 42
16.1 EC Certificate of Conformity.............................................................................................................. 42
16.2 FCC Compliance statement (US)......................................................................................................42
16.3 IC Compliance statement (CA).......................................................................................................... 43
17 Disturbances.............................................................................................................................................. 44
17.1 Possible errors occurring on the MARWIS-UMB / STARWIS-UMB...................................................44
17.2 Interfering factors which can influence the measurement result........................................................44
18 Disposal..................................................................................................................................................... 45
18.1 Within the EU..................................................................................................................................... 45
18.2 Outside the EU.................................................................................................................................. 45
19 Repair / Corrective Maintenance............................................................................................................... 45
19.1 Technical Support.............................................................................................................................. 45
20 Appendix.................................................................................................................................................... 46
20.1 Channel List Summary....................................................................................................................... 46
20.2 Communication in binary protocol...................................................................................................... 47
20.2.1 Framing...................................................................................................................................... 48
20.2.2 Addressing with Class and Device ID........................................................................................48
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G. Lufft Mess-und Regeltechnik GmbH
