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MARWIS-UMB

Operating Manual V 3.3 / 9 Dec 2019

8.4 Protective housing

The protective housing is supposed to protect the MARWIS-UMB / STARWIS-UMB from dirt and
turbulences. Furthermore it is equipped with a flange which can be used for fixing it.

8.4.1 Connecting the MARWIS-UMB / STARWIS-UMB to the protective housing

Loosen the screws on the upper side of the MARWIS-UMB / STARWIS-UMB and take off the
plastic stripes. 

22

Chapter 8, Mounting

Illustration 7: Preparation for connecting the 
protective housing

Illustration 8: Fixing stripes and 
screws

Illustration 6: Loosen screws on MARWIS-UMB 
housing

Summary of Contents for MARWIS

Page 1: ......

Page 2: ...Operating Manual MARWIS UMB STARWIS UMB English G Lufft Mess und Regeltechnik GmbH Fellbach Germany Subject to change without notice...

Page 3: ...tput 14 7 1 Measurements 14 7 1 1 Road Surface Temperature 14 7 1 2 AmbientTemperature 14 7 1 3 Relative Humidity4 14 7 1 4 Dew point temperature 14 7 1 5 Relative humidity at road temperature 15 7 1...

Page 4: ...ntenance 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...

Page 5: ...rotocol Version 1 0 52 20 3 1 General remarks 52 20 3 2 Pin assignment 52 20 3 3 CAN Parameter 52 20 3 4 Data format and byte order in the communication protocol 52 20 3 5 Data transmission 52 20 3 5...

Page 6: ...operating conditions 1 3 Designated use The equipment must only be operated within the range of the specified technical data The equipment must only be used under the conditions and for the purpose fo...

Page 7: ...to protect the MARWIS UMB STARWIS UMB from pollution it has to be used in any case with one of the two available protective housings The respective protective housing has to be ordered seperately The...

Page 8: ...Plug without cable1 8371 UST1 Mast clamp incl short protective housing for STARWIS UMB for mast with diameter 60 80 mm 2 3 in 8711 UMB 3 3 Spare parts Temperature humidity sensor 8900 UTFF 3 4 Additi...

Page 9: ...lp when deciding about preventive gritting Due to the open interface protocols MARWIS UMB as well as STARWIS UMB can be easily integrated into existing winter maintenance monitoring networks Similarly...

Page 10: ...tical spectroscopy the frozen part of the aqueous solution on the road is determined and delivered as ice percentage 4 9 Snow Height The sensor detects the snow height in the field of measurement Note...

Page 11: ...l V 3 3 9 Dec 2019 MARWIS UMB 4 11 Sensor technology MARWIS UMB STARWIS UMB Chapter 4 Equipment description 11 Illustration 2 MARWIS UMB STARWIS UMB Components Abbildung 3 Lateral temperature sensor o...

Page 12: ...pply Red Device error The status channel device status provides detailed information about the nature of the error Blinking Data transfer is taking place The status of the device and the measurement c...

Page 13: ...g on the operating temperature and on the current ambient temperature a warm up phase of 5 up to 15 minutes may be required before the first plausible values appear This period can be reduced if the M...

Page 14: ...ure 40 0 70 0 C 105 Road surface temperature 40 0 158 0 F 7 1 2 AmbientTemperature4 Sampling rate 1 second Units C F Channels UMB Channel Measurement variable float32 Measuring range min max unit 110...

Page 15: ...ter film height 0 0 78 7 Mil 610 Water film height 0 0 6 0 mm 7 1 7 Water film height on smooth surface Sampling rate 100 Hz Units m mil mm Channels UMB Channel Measurement variable float32 Measuring...

Page 16: ...the water film height is on or above the damp threshold and the road surface temperature is below 1 5 C 34 7 F the formation of ice is inhibited by the presence of de icing chemicals water ice water...

Page 17: ...0 Pyro measurement OK 1 Error in pyrometer measurement Bit 5 TFF status 0 TFF t h r measurement OK 1 Error in TFF t h r measurement Bit 6 Heater temperature measurement status 0 Internal heater temp...

Page 18: ...rement invalid6 Bit 4 7 RESERVED Bit 8 Invalid adjustment profile 0 Adjustment profile valid 1 Invalid adjustment profile selected WFH measurement impossible Bit 14 RESERVED Bit 15 General error 0 No...

Page 19: ...st sign gantry or similar Lufft offers the short protective housing together with a clamp for fixing it to pipes of 60 80 mm 2 3 in in diameter Make sure that the view field of the STARWIS UMB is dire...

Page 20: ...in 8 3 5 8900 U04 Mounting with long protective housing angle 10 Minimal height 157 cm measuring distance 160 cm 63 in Ideal height 197 cm measuring distance 200 cm 78 in Maximum height 217 cm measuri...

Page 21: ...Operating Manual V 3 3 9 Dec 2019 MARWIS UMB Chapter 8 Mounting 21 Illustration 5 Mounting of STARWIS UMB...

Page 22: ...with a flange which can be used for fixing it 8 4 1 Connecting the MARWIS UMB STARWIS UMB to the protective housing Loosen the screws on the upper side of the MARWIS UMB STARWIS UMB and take off the p...

Page 23: ...B Place the clamp straps that have come with the protective housing on the MARWIS UMB STARWIS UMB so that the profiles of the two clamp straps fit in neatly with the dents on the upper side of the MAR...

Page 24: ...2019 Mount the plastic bars of the clamping device on the MARWIS UMB STARWIS UMB insert the screws and tighten them 24 Chapter 8 Mounting Illustration 12 Fixing the clamp straps Illustration 13 Inser...

Page 25: ...s the protective housing until they catch the hitch Now the MARWIS UMB STARWIS UMB is connected to the protective housing First fasten one clamp strap on both sides then the other one Chapter 8 Mounti...

Page 26: ...MB from the protective housing is easily done by again inserting a screw driver into the ears of the clamp straps By pressing outwards downwards the connection can be opened 26 Chapter 8 Mounting Illu...

Page 27: ...c 2019 MARWIS UMB 8 5 Example Mounting with magnetic bar carrier for horizontal installation and short protective housing Chapter 8 Mounting 27 Illustration 22 Mounting on passenger car Illustration 2...

Page 28: ...carrier for vertical installation and long protective housing 8 7 Mounted correctly Send us a photo of your MARWIS UMB installation to myMARWIS lufft com The MARWIS UMB team will have a look and send...

Page 29: ...ters 49 ft or 16 ft 9 1 Connection plug 9 2 Pin assignment 1 pink CAN HIGH 2 yellow RS485_B 3 red 4 grey CAN LOW 5 green RS485_A 6 blue 7 white negative supply voltage 8 brown positive supply voltage...

Page 30: ...d steps of 1 second to values between once per second and once every 60 seconds If the data are not retrieved more often than once per second the bit rate of 19200 baud will usually be sufficient If t...

Page 31: ...nt profiles it makes sense to give them names which allow conclusions on these conditions E g mentioning the vehicle in the profile name can allow conclusions about the installation height during the...

Page 32: ...rbances see chapter 17 2 page 44 the remaining were analysed statistically average min and max values With a frequency of 10Hz i e every 100ms the road temperature is measured For MARWIS UMB the updat...

Page 33: ...ompleted Restarting the MARWIS UMB after the adaption will not influence the measurements The latest used adaption profile will be reloaded automatically In a vehicle with a stop start system the ciga...

Page 34: ...protocol UMB binary Water film damp threshold 10 m Water film wet threshold 100 m Critical temperature10 1 5 C Temperature offset 0K Oberfl chentyp asphalt Measuring interval MARWIS UMB 0 1 s Measuri...

Page 35: ...nce cleaning 14 1 Cleaning the sensor front glass pane If the glass pane on the sensor front is soiled clean it with a damp wrung out cloth Dry the pane afterwards with a dry lint free cloth Remove du...

Page 36: ...l 3000 m 9 843 ft Operating conditions permissible ambient temperature 40 60 C 40 140 F permissible rel humidity 0 100 r h RS485 interface 2 wire half duplex Data bits 8 Stop bit 1 Parity none Tri sta...

Page 37: ...0 0 236 in Resolution 0 1 m 4 mil Precision 10 at 0 6 mm water film height on sleek ground15 15 2 5Relative humidity at road temperature Measuring principle passive calculated out of absolute air hum...

Page 38: ...ring range 0 1 Resolution 0 01 15 2 9Ice percentage Measuring range 0 100 Resolution 1 15 2 10 Snow Height Measuring principle optical Measuring range 0 50 mm Resolution 0 01 mm 16 Only MARWIS UMB 17...

Page 39: ...erating Manual V 3 3 9 Dec 2019 MARWIS UMB 15 3 Drawings 15 3 1MARWIS UMB STARWIS UMB with short protective housing Chapter 15 Technical Data 39 Illustration 28 MARWIS UMB with short protective housin...

Page 40: ...sing19 19 The STARWIS UMB can also be used with the long protective housing Since this is probably a rare case it not explicitly mentioned herein 40 Chapter 15 Technical Data Illustration 29 MARWIS UM...

Page 41: ...Operating Manual V 3 3 9 Dec 2019 MARWIS UMB Chapter 15 Technical Data 41 Illustration 31 Long protective housing back view...

Page 42: ...trical Safety EN 301489 17 Electromagnetic Compatibility standard for radio equipment 16 2 FCC Compliance statement US Product Mobile Road Sensor Type MARWIS UMB Order No 8900 Uxx STARWIS UMB Best Nr...

Page 43: ...y not cause interference and 2 this device must accept any interference received including interference that may cause undesired operation of the device Le pr sent appareil est conforme aux CNR d Indu...

Page 44: ...round Device transmits error value 50h 80d Device is being operated above the specified measuring range Device transmits error value 51h 81d Device is being operated below the specified measuring rang...

Page 45: ...e proper disposal of waste electrical and electronic equipment in your respective country 19 Repair Corrective Maintenance Please arrange for any faulty equipment to be checked and if necessary repair...

Page 46: ...y at road temperature 0 0 100 0 Water film height 600 Water film height 0 0 6000 0 m 605 Water film height 0 0 78 7 mil 610 Water film height 0 0 6 0 mm Water film height on surface20 601 Water film h...

Page 47: ...or on Bluetooth communication Bit 9 31 RESERVED Measurement status 4001 0 1 Bit 0 Operating temperature 0 Device temperature in operating range 1 Invalid operating temperature status LED orange Bit 1...

Page 48: ...f the command 1 byte payload data bytes 0 210 bytes ETX Cotrol character for the end of payload transmission 03h 1 byte cs Check sum 16 bit CRC 2 bytes EOT Control character for the end of the frame 0...

Page 49: ...channel channel designates the channel number Response 23h10h 00h channel type value n type designates the data type of the output the length of value depends on it value n the requested value Comment...

Page 50: ...26 04 Response 01 10 01 F0 01 A0 13 02 2F 10 00 02 08 00 64 00 16 CB 3D A5 41 05 00 84 03 10 01 03 3F 77 04 20 2 6Example online data query multiple channels V1 1 Description This command allows to po...

Page 51: ...n 1st Request 01 10 01 A0 00 F0 09 02 2F 11 03 64 00 58 02 84 03 03 69 24 04 Response 01 10 00 F0 01 A0 1C 02 2F 11 00 03 08 00 64 00 16 8F BB AA 41 08 00 58 02 16 57 97 E1 42 05 00 84 03 10 00 03 D8...

Page 52: ...us should be terminated by a 120 Ohm resistance 20 3 2Pin assignment Pin assignment of the CAN interface on the 8 pole screw plug socket Pin 1 CAN High Pin 4 CAN Low 20 3 3CAN Parameter The bitrate is...

Page 53: ...te value queries Following the CAN specifications the CAN ID corresponds to the CAN ID which is used for transmitting the corresponding value with additionally set RTR bit The required value is transf...

Page 54: ...meter 1 Type 2 5 Parameter Data type Description none 1 0x00 time 5 0x01 4 Byte unsigned long Intervall in ms difference 1 0x02 minimum 2 5 0x03 1 4 Byte Same as value Limit value maximum 2 5 0x04 1 4...

Page 55: ...us byte which indicates if the transmitted value is ok or which error in the device prevents the value from being detected transmitted Codes status Define Description 00h 0d OK Kommando successful no...

Page 56: ...ons F0h FEh Do not use Reserved range e g for z B LCOM FFh 255d UNBEK_ERR Unknown error 20 3 9Data types This protocol uses the following data types for the measured values type Type Name Define Bytes...

Page 57: ...correct use 3 6 M Magnetic bar carrier 4 8 27f Mast 8 19f 34 45 Measuring distance 7 19f 31 36 Mounting 3f 8 19f 27f 31 Mounting height 3 19 MyMarwis 28 N Network 9 33f 45 P Passenger car 8 Power supp...

Page 58: ...Operating Manual MARWIS UMB STARWIS UMB English G Lufft Mess und Regeltechnik GmbH Fellbach Germany Subject to change without notice...

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