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Lufft ARS31-UMB, User Manual

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Lufft ARS31-UMB User Manual Download Page 25

ARS31(Pro)-UMB 

 

Operating Manual V9/03.2017 

 

G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany 

25 

 

Figure 10: Configuration of ARS31-UMB 

 

7.2.3  Measurement polling channels 

You can activate the measurement polling channels for the UMB-Config-Tool by clicking 
on the respective channel. This setup has no influence on the channels which can be 
queried by the user software. 
 

 

Figure 11: Select the Channels for Measurement Polling 

 

Summary of Contents for ARS31-UMB

Page 1: ...Operating Manual ARS31Pro UMB ARS31 UMB Active Road Sensor Order No ARS31Pro UMB 8810 U051 50m cable Order No ARS31 UMB 8610 U050 50m cable Version V6 06 2014...

Page 2: ...Operating Manual ARS31Pro UMB English G Lufft Mess und Regeltechnik GmbH Fellbach Germany Subject to change without notice 2...

Page 3: ...eparation 10 5 2 Installation 10 5 3 Connecting the cable 14 5 4 Commissioning and testing 18 6 Maintenance 19 6 1 Replacing the sensor system 19 6 2 Connections 20 7 Configuration 22 7 1 Factory sett...

Page 4: ...ength and to the installation 4 18 04 2013 FS Extension cable table was added 5 12 03 2014 LA BR RR Modification of Certificate of Conformity clarification of the technical data freezing temperature 6...

Page 5: ...orage and 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...

Page 6: ...100VA 8160 UISO ISOCON UMB 8160 UISO Surge protection 8379 USP DACON8 UMB 8160 UDAC 2 2 Additional Documents and Software You can download the following documents and software via the Internet at www...

Page 7: ...RS31Pro UMB ARS31 UMB ARS31Pro UMB compared with ARS31 UMB possesses the following features Measurement of threat of icing by means of a direct measurement or freezing temperature Exact measurement of...

Page 8: ...freezing temperature is calculated for road surface temperatures of less than 5 C adjustable between 2 C and 10 C The lowest possible freezing temperature that can be calculated is about 20 C below t...

Page 9: ...nd the current road temperature In this case updating of the threat of icing ends simultaneously with the updating of freezing temperature However if during updating the threat of icing is actively de...

Page 10: ...sure that any expansion of the road covering does not affect the cable The road sensor cables must not be subjected to tensile force during installation Warning Damage to the cable sheath or external...

Page 11: ...hortest possible distance 5m roadside The loop resistance of the overall cable must not exceed 5 Figure 3 Cable Extension For example extension of 100 m with a 0 5 mm cable of 73 2 km loop resistance...

Page 12: ...t Sensor Explanations Recommended extension cable A 2YF L 2Y Nx2x0 8 or similar Wirebundle 2x 2 times means 2 pair of wires e g 2x2x0 8 because 2 single wires are 1 pair for power supply RS485 Termina...

Page 13: ...e a capacity of max P 30W needed R1 R2 loop resistance U Voltage in the cabinet at the end of the cable 24V US voltage at the sensor I supply current I is calculated with the equation U R1 R2 R1 R2 0...

Page 14: ...pply and the bus system e g ISOCON UMB The screening of the connection cable MUST be laid to ground Figure 5 Example of a Standard Lufft UMB Control Cabinet Figure 7 Examples of the Earthing of the Ca...

Page 15: ...ARS31 Pro UMB Operating Manual V9 03 2017 G Lufft Mess und Regeltechnik GmbH Fellbach Germany 15 Figure 8 ISOCON UMB Connection Warning Connecting the cables incorrectly will destroy the road sensor...

Page 16: ...1 UMB in the road Stra ensensor Road sensor Stra ensensor Road sensor ext Temp Sens ext Temp Sens min 16 cm Schlitz slit 2 cm breit wide 5 cm tief deep Stra enoberfl che Road surface Gie harzbeton cas...

Page 17: ...ting resin concrete 6 cm Montagehilfe Installation aid Innensechskant Hexagon socket head screw Stra ensensor Road sensor Innensechskant Hexagon socket head screw Stra ensensor Road sensor Gie harzbet...

Page 18: ...ble after approximately 1 minute after approximately 20 minutes the measurements for freezing temperature and saline concentration threat of icing are available provided that the ambient conditions al...

Page 19: ...sert Make sure that the connection cable on the underside of the sensor has not broken off The connectors must be pulled out without putting a strain on the cable The housing must be cleaned thoroughl...

Page 20: ...ce The device has a half duplex 2 wire RS485 interface with the following settings Data bits 8 Stop bit 1 Parity none Adjustable baud rates 1200 2400 9600 19200 38400 standard 19200 bit s Please do no...

Page 21: ...ssignment 1 GND white 2 V 24 V brown 3 A Rx green 4 B Rx yellow Figure 8 Connections in the housing The data and power supply cables are connected via a 4 pole terminal block Cable type LI 2YCYv2X2X0...

Page 22: ...g temperature salt concentration detected in a measuring cycle the last identified freezing temperature will be delivered for the following 40 minutes default 40 interval can be adjusted During this i...

Page 23: ...n of dew or frost Delta T T is the temperature difference by which the road surface temperature cools down in order to measure the threat of icing via the formation of dew or frost Delta T2 T2 If the...

Page 24: ...The interval for maintaining the freezing temperature can be configured in the UMB Config Tool and can adopt values between 20 and 120 minutes default 40 minutes The function can be deactivated by unt...

Page 25: ...figuration of ARS31 UMB 7 2 3 Measurement polling channels You can activate the measurement polling channels for the UMB Config Tool by clicking on the respective channel This setup has no influence o...

Page 26: ...e instructions for the UMB configuration tool New firmware is uploaded via the RS485 interface It is not necessary to open the housing for this purpose However firmware uploads must take place at a te...

Page 27: ...l only includes one example of an online data request Please refer to the current version of the document Communications Protocol for Meteorological Sensors UMB protocol for details of the mode of ope...

Page 28: ...his is done as follows Sensor Class ID for road sensor is 4 4h Device ID serial number is 0001 001h Putting the class and device IDs together gives a destination address of 4001h PC Class ID for PC ma...

Page 29: ...he output format is fixed and not user configurable You can find an exact description in the document Communication Protocol for Meteorological Sensors After the HyperTerminal has started select File...

Page 30: ...d C float 40 0 C 162 Act FreezT corrected F float 40 32 F 801 Act SalineConcentr NaCl float 0 100 803 Act SalineConcentr CaCl float 0 100 805 Act SalineConcentr MgCl float 0 100 816 Act Cryotech E36 b...

Page 31: ...case of corrected channels the status is transmitted on channel 900 If it is not possible to calculate the freezing temperature this is then transmitted as 0 C or its equivalent in other units Status...

Page 32: ...the direct measurement channel 901 delivers the value 0 If a threat of icing was detected via either the freezing temperature or the direct measurement channel 901 delivers the value 1 Before the fir...

Page 33: ...1 mS cm 9 1 3 Status of freezing temperature measurement Transmitted on Channel 900 0 Start conditions not fulfilled 1 Sensor surface dry 2 Freezing temperature was calculated 3 Freezing temperature...

Page 34: ...ction class III SELV Attention the power input increases with the cable length For example with the 50 meter cable 8810 U051 current consumption approx 1 7 A For more details about enlarging the cable...

Page 35: ...lies in design and construction with the Directives of the European Union and specifically the EMC Directive in accordance with 2004 108 EG The above mentioned equipment conforms to the following spec...

Page 36: ...er a few minutes Sensor is resetting Query channel 20001 and check that the value is incremented After reaching 60000 the counter starts again from 0 If the value goes to 0 earlier the sensor has made...

Page 37: ...device must be disconnected from the power supply whilst service and maintenance work is being carried out 13 Disposal The device must be disposed of in accordance with European Directives 2002 96 EC...

Page 38: ...bH Gutenbergstra e 20 70736 Fellbach P O Box 4252 70719 Fellbach Germany Phone 49 711 51822 0 Hotline 49 711 51822 52 Fax 49 711 51822 41 E mail info lufft de or your local distributor 14 1 Technical...

Page 39: ...s 9 Figure 3 Cable Extension 11 Figure 4 Example of an Extension Box 11 Figure 5 Example of a Standard Lufft UMB Control Cabinet 14 Figure 6 Installation of ARS31PRO UMB ARS31 UMB in the road 16 Figur...

Page 40: ...ARS31 Pro UMB Operating Manual V9 03 2017 G Lufft Mess und Regeltechnik GmbH Fellbach Germany 40...

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