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IRS31Pro-UMB 

 

Operating Manual V10 / 01.2020 

 

 

 

G. Lufft Mess- und Regeltechnik GmbH 

17 

 

Figure  6:  Example  of  a  Standard 
Lufft UMB Control Cabinet 

 

Figure 7: Examples of the Earthing of the Cable Screening 

 

 

 
The sensors are delivered with two different cables: color coded or numerically coded. 

 

Connection of the road sensor supply lead: 

1 ............. white ................ negative power supply 
2 ............. brown............... positive power supply 
3 ............. green ............... RS485_A  
4 ............. yellow .............. RS485_B 

 
If colored cables are not used, the numbers apply. 
 

 

Figure 8: ISOCON-UMB Connection 

 
Note: 

When installing the system, please also pay attention to the operating instructions for the ISOCON-

UMB. 

Attention: Errors in connection will destroy the road sensor! 

Attention: A connection of the sensor to 24 VDC leads after a short time to the destruction of the 
sensor. 

 

Содержание 8910.U050

Страница 1: ...G Lufft Mess und Regeltechnik GmbH Fellbach Germany Subject to change without notice...

Страница 2: ...Operating Manual IRS31Pro UMB English G Lufft Mess und Regeltechnik GmbH Fellbach Germany Subject to change without notice 2...

Страница 3: ...on 8379 USP 20 7 5 Commissioning and Testing 21 8 Maintenance 22 8 1 Replacing the Sensor 22 9 Connections 23 9 1 Supply Cable 23 10 Configuration and Testing 25 10 1 Factory Settings 25 10 2 Configur...

Страница 4: ...on of channels 900 and 905 improved with the existing description the calculation of these values in the ASCII protocol was unclear Experimental implementation of CaCl2 und MgCl2 Freezing temperature...

Страница 5: ...a and storage and operating conditions 1 3 Designated Use The equipment must only be operated within the range of the specified technical data The safety and operation of the equipment can no longer b...

Страница 6: ...Manual V10 01 2020 G Lufft Mess und Regeltechnik GmbH 6 2 Scope of Delivery The content of the delivery consists of the following components Sensor IRS31Pro UMB Installation aid Installation instructi...

Страница 7: ...U051 HD IRS31Pro UMB 50 m cable length 2 below ground temperature sensors 8910 U052 HD IRS31Pro UMB 100 m cable length 8910 U100 HD IRS31Pro UMB 100 m cable length 1 below ground temperature sensor 8...

Страница 8: ...ntenance services water film height road condition road surface temperature and freezing temperature In addition the sensor delivers an ice percentage reading As the ice percentage increases on the su...

Страница 9: ...an be configured between 1 and 20 In the factory setting the sampling rate is 10 s and the moving average is generated from 6 measurements The average road condition is calculated from the average val...

Страница 10: ...102 107 Road temperature float32 40 0 176 0 F 6 1 3 External Temperature 1 5cm depth Sampling rate see section 5 3 Units normalized C F Request channels UMB Channel Measuring Range act min max avg Me...

Страница 11: ...rate see section 5 3 Units normalized m mil Request channels UMB Channel Measuring Range act min max avg Measured Value Data Type min max Unit 600 605 Water film height uint16 0 65520 norm value 601...

Страница 12: ...concent CaCl2 float32 0 100 g m2 922 927 Saline concent CaCl2 float32 0 1280 lbs p l mile 6 1 14 Road Condition Sampling rate see section 5 3 Units logical coding Request channels UMB Chanel Measuring...

Страница 13: ...Type min max Unit 950 State of coupling uint8 0 99 6 1 16 Measurement Counter Sampling rate see section 5 3 Units none Request channels UMB Channel Measuring Range act min max avg Measured Value Data...

Страница 14: ...temperature sensors is marked with a red cable flag on which the intended installation depth is given If the sensor is not installed in the designated depth the channel assignment must be changed in...

Страница 15: ...ide 5 m and extended from there The loop impedance of the entire cable must not exceed 10 Figure 4 Cable Extension Example Extension to 100 m with a 0 5 mm cable with loop impedance of 73 2 km and par...

Страница 16: ...upply RS485 termination resistance required means that a resistance of 120 ohms should be connected parallel to the RS485 2 wire interface either on the sensor inlet or sleeve 7 3 Connecting the Suppl...

Страница 17: ...ection of the road sensor supply lead 1 white negative power supply 2 brown positive power supply 3 green RS485_A 4 yellow RS485_B If colored cables are not used the numbers apply Figure 8 ISOCON UMB...

Страница 18: ...oad sensor with power supply by the SDI12 bus 1 white SDI12 GND 2 brown SDI12 12V 3 green not connected 4 yellow SDI12 Signal Attention In this case SDI12 GND may not be connected to earth Connecting...

Страница 19: ...IRS31Pro UMB Operating Manual V10 01 2020 G Lufft Mess und Regeltechnik GmbH 19 Figure 9 IRS31Pro UMB Installation in the Road with 2 External Temperature Sensors...

Страница 20: ...Lufft Mess und Regeltechnik GmbH 20 Figure 10 Installing the IRS31Pro UMB 7 4 Use of Surge Protection 8379 USP When using surge protection order no 8379 USP please note the connection example in the...

Страница 21: ...es place and measuring begins After successful installation of the road sensor its correct functioning must be checked To do this connect the sensor to an evaluation device Check that communication be...

Страница 22: ...assembly remove all six hexagonal screws On the edge of the cover there is a small opening that serves to provide access for a screwdriver This allows the plastic assembly to be lifted out Take care n...

Страница 23: ...ting and baud rate for firmware update This interface can be switched to SDI12 via the sensor configuration The screening of the supply cable MUST be laid to earth in the control cabinet If the equipm...

Страница 24: ...ss und Regeltechnik GmbH 24 Pin assignment external temperature sensors coding Pin1 1 white ext temperature right 1 2 brown ext temperature right 2 3 white ext temperature left 1 4 brown ext temperatu...

Страница 25: ...Water film wetness threshold 200 m Note The device ID must be changed if several IRS31Pro UMB sensors are operated on a UMB network as each device requires a unique ID It makes sense to start from ID...

Страница 26: ...back to the configured protocol after this time in minutes For further information please consult the operating manual of the UMB Config Tool Important note If the baud rate is changed after saving t...

Страница 27: ...ation of the freezing temperature is non linear Freezing temperature mode Determines how the freezing temperature is output when the road temperature is above the temperature limit for freezing temper...

Страница 28: ...ng temperature of the used deicer is included in the model calculations for the road conditions It therefore has an effect on the derived channels Friction and ice percentage at the moment is only sup...

Страница 29: ...nly be made in the factory setting of the baud rate 19200 BD To keep the sensor in accordance with the latest state of the art it is possible to carry out a firmware update on site with no need to rem...

Страница 30: ...must be disconnected from the UMB network during the function test 10 3 1 Channels for Measurement Polling You can select the channel for measurement polling by the UMB Config Tool by clicking on the...

Страница 31: ...d Regeltechnik GmbH 31 Note The UMB Config Tool is provided for test and configuration purposes only It is not suitable for the permanent acquisition of measurement data We recommend the use of profes...

Страница 32: ...is programmed to the IRS31Pro UMB Sensor the adjustment data of the sensor is lost and the sensor must be adjusted new at the factory 11 2 Configuration possibilities With the option IRS31 compatibili...

Страница 33: ...ss 9001h 36865d Activating compatibility mode changes the class ID to 1 Class ID for the road sensor IRS31Pro UMB is 1 1h Device ID is 1 1h Placing the class and device ID s together gives the followi...

Страница 34: ...perature 150 150 Freezing Temperature uint16 0 65520 norm value 151 151 Freezing Temperature float32 40 0 0 0 C 152 152 Freezing Temperature float32 40 0 32 0 F 160 160 Freezing Temp NaCl uint16 0 655...

Страница 35: ...C 0 0 0d 0000h 0 1 1d FFFFh 30 0 300d FED4h Error 32767d 7FFF 67 1067 Result message Below ground temperature at depth 1 TT1 5 cm 16 bit 30 80 C 0 1 C 80 0 800d 0320h 0 0 0d 0000h 0 1 1d FFFFh 30 0 30...

Страница 36: ...height WFD 16 bit 0 00 10 00 mm 0 01 mm 0 0d 0000h 10 00 1000d 03E8h Error 65535d FFFFh 73 1073 Result message Thawing material concentration TSK 8 bit 0 100 1 0 0d 00h 100 100d 64h Error 255d FFh 74...

Страница 37: ...upling IRS31 ARS31 With the control freezing temperature mode Active Switched off the takeover of the freezing temperature of an ARS31 Pro UMB can be enabled or disabled ARS31 UMB ID contains the ID o...

Страница 38: ...MB 1 The freezing temperature mode is switched on and in the IRS31Pro UMB a valid freezing temperature of the configured ARS31 Pro UMB exists 2 The freezing temperature mode is switched on and in the...

Страница 39: ...ible ambient temperature 40 C 80 C Permissible relative humidity 0 100 RH Permissible altitude above sea level 3000 m Interface SDI12 or RS485 2 wire half duplex Data bits 8 Stop bit 1 Parity None Adj...

Страница 40: ...asurement process Passive Measuring range 0 100 Resolution 0 1 Sampling rate Variable 10 sec 60 sec Units 13 1 5 Saline Concentration Measurement process Passive Measuring range 0 100 Resolution 0 1 A...

Страница 41: ...he freezing temperature measurement The water film height is too low to perform the freezing temperature measurement The freezing temperature cannot be determined because of an firm layer of ice on th...

Страница 42: ...ure Analysis Section 2 5 2 Labeling The FCC identifier FCC ID UF9 IRS31PRO is to be found on outer serial number sticker 15 3 IC IC English This device contains licence exempt transmitter s receiver s...

Страница 43: ...untry 16 2 Outside the EU Please comply with the applicable regulations for the proper disposal of waste electrical and electronic equipment in your respective country 17 Repair Corrective Maintenance...

Страница 44: ...32 0 F 170 175 Freezing temp MgCl2 uint16 0 65520 norm value 171 176 Freezing temp MgCl2 float32 40 0 0 0 C 172 177 Freezing temp MgCl2 float32 40 0 32 0 F 190 195 Freezing temp CaCl2 uint16 0 65520...

Страница 45: ...nel Meaning Format Range Resolution Coding 49 1049 Result message Road surface temperature FBT 16 bit 30 80 C 0 1 C 80 0 800d 0320h 0 0 0d 0000h 0 1 1d FFFFh 30 0 300d FED4h Error 32767d 7FFF 52 1052...

Страница 46: ...mm 1 mm 0 0d 00h 50 50d 32h Error 255d FFh 76 1076 Result message Ice film height EFD 16 bit 0 00 2 00 mm 0 01 mm 0 0d 0000h 2 00 200d 00C8h Error 255d FFh 77 1077 Result message Road grip GR 8 bit 0...

Страница 47: ...nse if there is only one device of this class on the bus or in the case of a command e g reset 18 3 3 Example for Creating Addresses If for example you want to address an IRS31Pro UMB device with the...

Страница 48: ...es in Binary Protocol If a measurement request delivers the status 00h the sensor is working correctly You can find a complete list of additional codes in the description of the UMB protocol Extract f...

Страница 49: ...tween the individual blocks in each case this is represented by an underscore character _ Characters that represent an ASCII value are in ordinary inverted commas 18 4 2 Summary of ASCII Commands Comm...

Страница 50: ...actory settings can be restored before the reset Request _ ID _ R _ reset CR Response _ ID _ R CR ID 5 device address 5 decimal places with leading zeros reset 3 010 Reset 011 Reset with default Note...

Страница 51: ...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 In...

Страница 52: ...f spot values or average values can be selected The selection is done by the UMB Config Tool Attention When connecting the sensor to a SDI12 logger make sure to see chapter 7 3 1 first When operating...

Страница 53: ...rom continuous measurement data set 0 with CRC aRC1 Data request from continuous measurement data set 1 with CRC aRC2 Data request from continuous measurement data set 2 with CRC aV Command verificati...

Страница 54: ...inition guaranties the compatibility to loggers designed according to older versions of the SDI 12 standard If the measurement value is not available for some reason e g sensor failure this is indicat...

Страница 55: ...ent values are available 0D0 0 1 5 2 7 3 5 5 5 3 7 CR LF Road temperature 1 5 C external temperature 1 2 7 C external temperature 2 3 5 C freezing temperature 5 5 C Salzkonzentration 3 7 0D1 0 183 0 0...

Страница 56: ...ight 601 606 0 0 10000 0 m Ice Percent 810 815 0 0 100 0 Friction 820 825 0 0 1 0 Road Condition 900 905 10 15 20 25 30 35 40 45 Buffer 2 Saline Concentration g m2 910 915 0 0 100 0 g m2 Device config...

Страница 57: ...vailable in the buffers The first 3 measurement values transmitted in buffer 0 contain the status information of the measurement channels The status data of the channels are assembled to form fake mea...

Страница 58: ...RR FLASH_WRITE_ERR FLASH_FLOAT_ERR 2 MEAS_ERROR 3 MEAS_UNABLE 4 INIT_ERROR 5 VALUE_OVERFLOW CHANNEL_OVERRANGE 6 VALUE_UNDERFLOW CHANNEL_UNDERRANGE 7 BUSY 8 other sensor status 9 Example SDI 12 Address...

Страница 59: ...a average c spot Example change to average values 0XAa 0XAa CR LF 18 5 9 Message Setting of the Threshold for Road Condition Moist The command sets the threshold of water film height above which the...

Страница 60: ...re set Command aXT nn n nn n road surface temperature threshold in C Response aXT nn n CR LF The response to the attempt of setting of an invalid value is aXTf CR LF Example The threshold is set to 0...

Страница 61: ...e 10 Installing the IRS31Pro UMB 20 Figure 11 Sensor Selection 25 Figure 12 Sensor Configuration General Settings 26 Figure 13 Sensor Configuration Sampling Rate Averaging and Freezing Temperature Cor...

Страница 62: ...neral Settings 26 H Housing connections in the 23 I Ice Percentage 11 40 ID device and class 47 Incorrect use 5 Installation 14 M Maintenance 22 Measurement Counter 13 Measurements 10 Measurements gen...

Страница 63: ......

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