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Summary of Contents for Lufft 8810.U051
- 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) www.lufft.com...
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Page 2: Table Of Contents
Extension cable table was added 12.03.2014 LA/BR/RR Modification of Certificate of Conformity, clarification of the technical data (freezing temperature) 04.06.2014 LA/BR Supplements to the cable length and power supply, integration of ARS31-UMB G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 3: Please Read Before Commissioning
It may be permanently damaged There may be a possibility of an electrical shock 1.6 Nomenclature Tg: Freezing temperature that the sensor identified Tu: Road surface temperature, ambient temperature Toi: Threat of icing G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 4: Differences Between Ars31Pro-Umb/Ars31-Umb
10 minutes if necessary. To avoid measurement gaps due to interference during measurement, the sensor is equipped with an intelligent “hold measurement” function for freezing temperature. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 5: Additional Features Of Ars31Pro-Umb
Due to different environmental conditions the timing of the availability of measurements can alter in the measurement interval, the measurement values are therefore not necessarily updated in the grid of the selected measurement interval. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... - Page 6 2) In the next measurement cycle, at the time 25 min GT 2 is determined and issued. So TG1 was issued for 10 minutes. 3) In the next measurement cycle, at the time 25 min GT 3 determined and issued. So TG2 was issued for 30 minutes. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 7: Installation
After the casting resin concrete has hardened, remove the installation aid and the green protective film. Reinstall the fixing screws of the installation aid in the open holes of the sensor (torque 2 Nm). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... - Page 8 Per core 100 m cable results in a loop resistance of 7.3 Ω. By parallel connection of 4 cores results in a loop resistance of 7.3 Ω / 4 = 1.83 Ω Sample extension-box G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
- Page 9 2 single wires are 1 pair for power supply (+&-)! RS485 Terminator resistor required means that either at Sensor input port or at muffle position a resistor of 120 Ohm should be connected parallel to the RS485 2-wire interface. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
- Page 10 = supply current I is calculated with the equation √ ( 1,83 Ω: For the calculated case with loop resistance √ ( Not considered here is the short piece of the standard cable! G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 11: Connecting The Cable
The screening of the connection cable MUST be laid to ground. Example of a standard Lufft UMB cabinet as well as examples of the grounding of the shield There are two existing cables: color coded and numerical coded. Connection to the road sensor cable:... - Page 12 2 cm breit / wide 5 cm tief / deep Straßenoberfläche Road surface min. Ø 9 cm ext. ext. Temp.Sens. Temp.Sens. Gießharzbeton Casting resin conrete ARS31Pro extension Illustration 2: Installation of ARS31PRO-UMB/ARS31-UMB in the road G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
- Page 13 Montagehilfe Montagehilfe Installation aid Installation aid Straßensensor Road sensor Innensechskant Hexagon socket head screw Straßenoberfläche Road surface externer externer Temp.Sens. Temp.Sens. Gießharzbeton Casting resin concrete ARS31Pro extension Illustration 3: Installing the ARS31PRO-UMB/ARS31-UMB G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 14: Commissioning And Testing
The functionality of the road sensor must be checked after it has been installed. The sensor must be connected to an evaluation unit (e.g. PC with UMB-Config Tool) for this purpose. Communication between sensor and evaluation unit must be checked for perfect operation. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 15: Maintenance
The threads of the fixing screws must be greased. First the screws are attached loosely and then tightened cross-wise (torque 2 Nm). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 16: Connections
5.2.2 Connections in the housing There is a single 4-pole terminal block on the underside of the plastic insert. This serves to connect the power supply and the interface to the associated cable. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... - Page 17 The data and power supply cables are connected via a 4-pole terminal block. Cable type LI-2YCYv2X2X0.5 is used. Cable labeling on the pins is based on DIN 47100. The screened cable must be laid to the ground circuit connector in the control panel. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 18: Configuration
Operating Manual ARS31(Pro)-UMB 6 Configuration Lufft provides PC software for configuration purposes UMB-Config Tool. Using this software, the user can adjust the sensor according to his needs. Starting from Firmware V10.3 the UMB-Config Tool version 2.2 or newer must be used. - Page 19 Delta LFM% describes the required change in the critical measurement variable for the detection of the threat of icing. Higher numerical values reduce the probability of the sensor transmitting the threat of icing and increase the stability of this function. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
- Page 20 After the activation of the freezing temperature limit, the smoothed freezing temperature can be transitional-wise under the temperature limit (if the freezing temperature directly before the change was under the opposed limit). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
- Page 21 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. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 22: Firmware Update
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 temperature between 0 and 60°C. The update is controlled by means of PC software. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 23: Communication
RS485 interface with the aid of the ISOCON-UMB. The bus is not terminated with a resistor due to dissipation in the sensor. The use of PC software from Lufft for purposes of maintenance and diagnosis makes an RS485-RS232 or RS485-USB converter superfluous. - Page 24 <typ> 01h 40h <value> <cs> <status> = Device o.k. <typ> = Data type of the following value; 16h = float (4 bytes, IEEE format) = C1966666h corresponds to float value –18.8°C. <value> G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 25: Ascii Protocol
+ 1 (LSB first mode) Start value: FFFFh (Attention: Contrary to earlier Lufft protocols, the start value for CRC calculations is not 0h but rather FFFFh in accordance with CCITT) Further information is available in the description of a CRC calculation in UMB Protocol. -
Page 26: Channel Assignment For The Data Request
0…100/255 3012 Act.Saline Concentr. CaCl TLS FG3 DE 73 unsigned char 0…65535 20001 Act.Measurement Counter unsigned short Legend: MS ... Mapping standard Channel 901 is only available with ARS31Pro-UMB Sensor. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... - Page 27 TLS) whenever the road is wet and without salt. The reason for this output is that in the (German) “Bundesdatenverteiler” (12/2010) the TLS compliant combination of 0°C freezing temperature and 0% residual salt are causing errors in the visualization. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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Page 28: Mapping Standards
901 delivers the value 2. 7.4 Mapping standards Mapping standard Temperature measurement range -40 ... +80°C -40 ... +176°F 0 – 65520 Freezing temperature measurement range -40 ... +0°C -40 ... +32°F G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 29: Technical Data
Quantitative statement only as errors arise due to selfheating Resolution: 0.1°C 8.2 Storage conditions (complete sensor) Permissible storage temp.: -40°C ... +80°C Permissible relative humidity: 0 ... 98% RH due to packing G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 30: Operating Conditions
Protection class: IP68 The sensor only measures freezing temperature and threat of icing in the road surface temperature range -30°C … +5°C (adjustable up to 10°C). Above 60°C an error code is transmitted. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 31: Ec Certificate Of Conformity
EN 61000-4-6 (2009-12) ....Conducted disturbances, induced by radio-frequency fields EN 55022 Rad (2011-12) ....Radio Frequency Disturbance ITE EN 55022 Cond (2011-12) ....Radio Frequency Disturbance ITE Fellbach, June 4 , 2014 Axel Schmitz-Hübsch G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 32: Troubleshooting
Green protective foil not removed-> remove green protective foil The description of the UMB-errorcodes you can find in the document “UMB-Protocol” under www.Lufft.com the sector Support – Downloads – Manuals – UMB Technology. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 33: Service And Maintenance
2003/108/EC (waste electrical and electronic equipment). Waste equipment must not be disposed of as household waste. For environmentally sound recycling and the disposal of your waste equipment please contact a certified electronic waste disposal company. G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany... -
Page 34: Manufacturer
13.1 Technical support Our hotline is available for technical questions via the following e-mail address: hotline@lufft.de You can also consult frequently asked questions at http://www.lufft.com/ (menu header: FAQs). G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany...
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