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User Manual (Detecting device UDMN-100)

1. 3 The cable type pos 5 Umtronc LIHCH 7x0 14 It is allowed fo replace the cable type pos 5 fo cable SPUEVng 4x0 35 Designa tion of Name Q fy Remark pos XA XB Cable plug ONC BS 1 7 12 R 12 1 V 2 FVKM 468166 010RE 22 Appendix E Obligatory SOFTWARE TETRA_ Checker USER MANUAL Content En Purpose ofthe SOME a O EE AP la WA 23 E 2 Description ofthe interface aso ao ir 23 E 2 1 Overview of the main window id 23 E 2 1 1 Parameters DUO sus lk O 24 E 2 1 2 Information panela wadi bc AR oO ns 25 E 2 1 3 Measuring data panel Nude 25 E214 Device Status Panel rosario 25 E 2 1 5 Device parameters panels traitent 26 E 1 PURPOSE OF THE SOFTWARE The TETRA Checker software hereinafter program is intended for adjusting and calibration of devices and detectors hereinafter device The program allows doing the following read and indicate values of the device parameters write the net address into the device write values of the dynamic parameters into the device nomenclature of parameters is defined by the device itself select one of the measured quantities in the device as a quantity requested by default indicate information about the operation of the device and measurement results on the monitor of personal computer indicate the device status information on the monitor of personal computer ATTENTION BUGS ARE POSSIBLE WHEN USING THE PROGRAM
2. 15 Appendix B Obligatory WIRING DIAGRAM Signal cable Plug ONC BS 1 10 14 V1 1 V Cable for connection Plug ONC BS 1 7 12 M1 1 V Socket ONC BS 1 10 14 R12 1 V dure en Description Q ty Note A1 Detector BDMN 100 07 FVKM 418264 004 1 A2 Interface unit BS 12 FVKM 408844 005 1 A1 Interface unit BS 12 01DD PD AJAH 418292 017 01 1 A2 Interface unit BS 12 02DD PD AJAH 418292 018 01 1 Assignment of contacts of the plug ONC BS 1 7 12 V1 1 V is presented in Table B 1 and of plug ONC BS 1 10 14 V1 1 V in Table B 2 Arrange soldered connections of the signal cable in accordance with Appendix D FVKM 468166 010RE 16 Table B 1 Assignment of contacts of the plug ONC BS 1 7 12 V1 1 V Contact Signal 1 12 V 2 Control 4 Output 5 6 Common screen 7 Common screen Table B 2 Assignment of contacts of the plug ONC BS 1 10 14 V1 1 V For RS 422 interface DD Contact Signal 1 24 12 V 4 Reception 5 Reception 6 Transmission 8 Transmission 9 Casing 10 Common For RS 485 interface PD Contact Signal 1 24 12 V 4 Data 5 Data 6 a 8 5 9 Casing 10 Common FVKM 468166 010RE 17 Appendix C Obligatory OUTLINE DRAWING Detector module FVKM 305615 001 266 293 316 Figure C 1 Detector BDMN 100 07
3. Sulfur dioxide gas no more than 20 mg m day I Relatively clean not more than 0 025 mg m Chlorides no more than 0 3 mg m day Sulfur dioxide gas no more than 20 to 250 mg m day II Industrial not more than 0 025 to 0 31 mg m Chlorides no more than 0 3 mg m day Sulfur dioxide gas no more than 20 mg m day I Maritime not more than 0 025 mg m Chlorides 30 to 300 mg m day 1 2 13 Limits of complementary error of the AEDR of gamma radiation due to deviation of temperature from its normal value per 10 C 5 under increased relative humidity up to 98 at 35 C ES 1 2 14 Detecting devices withstand sinusoidal vibrations in the frequency range from 10 to 55 Hz with displacement amplitude 0 35 mm FVKM 468166 010RE 4 1 2 15 Detecting devices are stable against seismic impacts with magnitude 7 according to the MSK 64 scale being installed on the building structures of the industrial site at 70 to 30 m relative to the grade level After the seismic impact with the above mentioned parameters detecting devices are operable within the limits stated in sections 1 2 3 1 2 11 during the whole life cycle under specified operation conditions 1 2 16 Degree of protection provided by casings against ingress of solid items and water IP65 1 2 17 Detecting devices are stable against electromagnetic interference of 3 grad
4. SIMULTANEOUSLY WITH NET CLIENTS ICQ clients Skype GTalk Jabber etc IF THIS IS THE CASE IT IS RECOMMENDED TO CLOSE ALL ABOVE MENTIONED CLIENTS SOFTWARE AND RESTART THE PROGRAM E 2 DESCRIPTION OF THE INTERFACE E 2 1 Overview of the main window The overview of the program s main window is shown on the figure D 2 1 In the main window the following interface elements are located Parameters button Information panel Measuring data panel Device status panel Device parameters panel FVKM 468166 010RE 23 lO TETRA_Checker _ 0 111 u Sv h Device date time Dynamic parameters 5 3 254 Alarm threshold AT UDMN 100 02 Preliminary threshold PT 58 Bottom threshold BT Firmware version 2 0 2991 20100830 Algorithm 0 Following 1 Sliding Configuration date 19 04 1995 Interval quantity Sliding 1 60 Production date 19 04 1995 Interval time Sliding s 1 65535 Device date time No information Sensitivity index Sv h pps Volume level 2 Dead time ps Current device language No information DB accumulated doze Sv Running hours h Self background Sv h Figure E 2 1 Overview of the main window E 2 1 1 Parameters button The Parameters button is located in the upper right corner of the main program window Pressing the button Parameters displays a window shown in figure D 2 2 Parameters Figure E 2 2 Overview of
5. When using detecting devices as part of measurement information complexes systems and installations hot connection of cables is allowed without switching detectors off In this case the protective earth should be connected to corresponding terminals of the detector and of the device receiving signals from detecting devices 3 3 Maintenance routine 3 3 1 Maintenance is divided into routine and periodic 3 3 2 Routine maintenance 3 3 2 1 Routine maintenance is carried out during regular operation it includes inspections of detectors for timely detecting devices and elimination of factors which can compromise their operability and safety 3 3 2 2 The following main types and periodicity of routine maintenance are recommended VISUAL MSPECON hassan ted every month cleaning of external surfaces decontamination every year 3 3 2 3 During visual inspection conditions of cables and connectors and reliability of securing are assessed 3 3 2 4 Decontamination of detecting devices is performed in accordance with work schedule at the company facility external surfaces of detecting devices are decontaminated using solutions 1 and 2 of the 1 2 23 after cleaning surfaces using cloth moisten with decontaminating solution it is necessary to wipe surfaces using cloth moisten with distilled water and then dry using filter paper cable connectors are decontaminated using solutions 3 of the 1 2 2
6. device includes detector BDMN 100 07 and interface unit BS 12 or BS 12 01DD PD or BS 12 02DD PD connected by the signak cable The following accessories are supplied by customer s request cable socket ONC BS 1 10 14 for assembling communication cable for connection to PC interface converter PI 02 for connection to PC software TETRA Checker developed for adjustment calibration and verification of detecting device 1 3 2 Cable for connection with PC is not included in the delivery kit 1t is assembled by the customer using the cable plug from the delivery kit in accordance with the wiring diagram Appendix B 1 4 Design and operation 1 4 1 Detector BDMN 100 07 hereinafter detector consists of spherical neutron moderator with detector module placed inside it Detector module is comprised of scintillation detector based on LiF enriched in Li isotop to 85 and ZnS Ag placed in the plexiglass for conversion of slow thermal neutrons into scintillations flashes of light PMT tube for registration of scintillations high voltage converter for high voltage supply to the PMT amplifier discriminator for amplifying and selection by amplitude of pulses from the PMT conditioner for conditioning of the output signal and its transfer to the interface unit 1 4 2 Neutron moderator is intended for deceleration and thermalization of fast neutrons Neutron moderator can be of portabl
7. off unlimited 1 2 8 Instability during 24 hours of continuous operation relative to the mean value of readings O A O E E an ins not more than 10 1 20 Power supply DC VOM AAA 24 12 V 1 2 10 Current consumption at voltage 24 V no more than 50 mA 1 2 11 Blocks provide generation of self diagnostics codes and current measurement information for the external information network based on RS 422 RS 485 interface DiBUS data exchange protocol For the description of data exchange registers in the DiBUS protocol see Appendix A 1 2 12 Operating conditions 1 operating temperature range detector BDMN 100 07 uses minus 45 to 50 C interface units BS 12 and BS 12 01DD PD 2 1112 minus 40 to 50 C interface units BS 12 02D0D PD 2532 ia minus 40 to 50 C without indication of measurement results on LCD interface units BS 12 02DD PD Minus 20 to 50 C with indication of measurement results on LCD Note Detecting devices with operating temperature range from minus 45 to 60 C are available by request 2 relativ humidity A ein nana te een fs up to 98 at 35 C 3 atmospheric pressure robots 84 0 to 106 7 kPa 4 content of the corrosive agents in the ambient air corresponds to the values in Table 1 2 Table 1 2 Type of atmosphere Content of the corrosive agents Designation Description
8. or port is busy by another program recommended actions select correct port or release port by shutting down the concurrent program No reply this message appears when the device is not connected or the conversion mode of the matching device RS 232 to RS 485 RS 422 is incorrect Read error probably in the broadcast request mode several devices answer simultaneously it is recommended to switch to request mode with specific net address or working in the broadcast request mode disconnect from the data way all devices except the one you need E 2 1 3 Measuring data panel As a rule Measuring data panel contains several lines each of which contains name of measured quantity Measurand measurement unit of the measured quantity Unit current reading measurement result Result measurement interval Time s error of the measurement result Measurement uncertainty In the upper part of the panel the following buttons are located Set current algorithm for selection of the quantity to be measured by default by the device Measurement result for the measured quantity will be displayed on the information panel On the Measurement information panel corresponding line will be highlighted in color Restart measurement F5 for initiating new measurement cycle for certain measured quantity Restart all F4 for initiating new measurement cyc
9. the calibration installation Sv h The detecting device is considered valid if the main relative error of measurement at both points does not exceed the value stated in the 1 2 3 If the relative error exceeds limit perform correction of sensitivity coefficient and dead time in accordance with the section 2 4 Allowable range of correction of sensitivity coefficient is 1 5 10 to 2 5 10 It is recommended to perform correction of sensitivity coefficient using the range 10 to 100 uSv h the dead time is fixed at 23 us and is not changed during calibration 5 ROUTINE REPAIRS 5 1 Routine repairs include restoration of damaged cables and connectors 6 STORAGE 6 1 Prior to putting into operation detecting devices shall be stored in a heated warehouse with natural ventilation in manufacturer s package at ambient temperatures from 5 to 40 C and relative humidity up to 80 at 25 C unpacked at ambient temperatures from 10 to 35 C and relative humidity up to 80 at 25 C 6 2 The storage location should be free of dust chemical vapours aggressive gases and other substances that may cause corrosion The storage location shall exclude exposure of the detecting devices to the direct rays of sunlight 7 TRANSPORTATION 7 1 Detecting devices in the original manufacturer s package can be transported by all means of transport at any distance transportation by railway shall be carried out in clean box
10. the parameters is carried out as follows double click on the line of the parameter to be corrected inthe column New value input new parameter value press ENTER or click on any other line if necessary correct other parameters press the button Set parameters F2 check correctness of the writing new parameter values will be displayed in the column Parameter point after a while ATTENTION DECIMAL POINT SEPARATOR BETWEEN INTEGER PART OF THE NUMBER AND THE FRACTION IS USALLY A DOT HOWEVER YOUR OPERATION SYSTEM CAN BE SET TO USE COMMA INSTEAD BE CAREFUL WHEN YOU INPUT NUMBERS Sets of values or ranges of values of parameters are indicated in the operational documentation for each device E 2 1 5 4 Buttons on the Device parameters panel In the upper part of the Device parameters panel the following buttons are located DEVICE DATE TIME this button is activated for devices that has or emulates built in clocks SET DEVICE LANGUAGE OF THE INTERFACE this button is activated for devices with multilanguage interface it allows setting the active language of the device SET VOLUME LEVEL this button is activated for devices equipped with adjustable signaling features it allows to set the desired volume and if necessary to test it SET ADDRESS in the broadcast mode this button allows to set the net address for setting the address press the
11. 0 003a Scientific Production Company Doza DETECTING DEVICE UDMN 100 User Manual FVKM 468166 010RE Content 1 Description and operation of the product 3 1 1 Product functionality dosa mn en eu tata 3 1 2 Technical characteristics owa ai ni Aa 4 1 3 Configuratio a AA AGO EL GAGA 6 1 4 Design and operation sn 6 1 5 Marking and sealing a aos 8 10 PAC os D E cn 8 AA LGN USE aceon a and 8 2 1 Operational limitations iii 8 2 2 Preparation of the product for use 9 2 3 Use ofa prod ct ai me aie 9 DAA a A ae FC 9 O E A AREA WSO ad ner 9 3 1 General Os 9 3 2 Safety precautions ui GEE ORCO OW 9 3 3 Maintenance routine se A Ah 10 A Calibration Toute sid A OE 10 4 1 General A OOO A OE 10 4 2 Preliminary arrangements wyk OWO O A enews 10 4 3 Safety precautions ses BON OLE ECA 11 4A CONTI dA it 11 A GAR O OCS 11 gt e A A Ne teint 12 O Storage ens en ce os 12 MA ZF ROWE 12 Disposals oz oai AO El deters ACE O NEEE 13 Appendix A Description of data exchange registers usine the DIBUS protocol visa 14 Appendix B Wiring MA en sn sn 16 Appendix C Outline drawing sta sara 18 Appendix D Assembling the signal cable 22 Appendix E Software TETRA Checker User manual 23 FVKM 468166 010RE 2 This user manual contains information on design principle of operation characteristics of
12. 20 to 800 pSv h error 15 4 5 2 4 5 3 PC with technical means for using corresponding port with installed TETRA Checker software 4 5 2 4 5 3 Power supply with voltage 24 12 V and current not less than 100 mA 4 5 3 Stopwatch with measurement range 1 to 3600 seconds 4 5 3 Thermometer with measurement range 0 to 30 C and scale interval 0 1 C 4 5 3 Psychrometer with measurement range 20 to 90 error 6 4 5 3 Barometer with measurement range 60 to 120 kPa and scale interval 1 kPa Note It is allowed to use other tools and equipment with similar characteristics ensuring determination of metrological characteristics of detectors with required precision 4 3 Safety precautions It is necessary to follow safety requirements described in section 3 2 and in documentation accompanying calibration tools and equipment 4 4 Conditions 4 4 1 The following normal operating conditions shall be met during calibration Z AT TEMperatUr Eenes e O O A O 20 5 C mrelat Kodi A a a ea die ETT from 30 to 80 ATMOSPASHO PressUlS as 84 0 to 106 7 kPa 4 5 Procedure 4 5 1 External examination The items to be checked during external examination proper completeness availability of operational documentation absence of defects which could affect the detecting device operation 4 5 2 Testing Perform the following operations to test the detecting device prepare the det
13. 3 additional treatment with distilled water and drying with filter paper are not required Dry cleaning can be performed with any periodicity Detecting devices should be disconnected from the power supply before dry cleaning and or decontamination 3 3 3 Periodic maintenance Periodic maintenance consists of calibration of detectors Adjustment of detecting devices is allowed when necessary in accordance with section 2 4 4 CALIBRATION ROUTINE 4 1 General requirements 4 1 1 Calibration of detecting devices are performed in accordance with the IEC 61453 2007 4 2 Preliminary arrangements 4 2 1 Operations that should be performed during calibration are listed in the table 4 1 Table 4 1 List of calibration operations Operation Section of the document 1 External examination 4 5 1 2 Testing 4 5 2 3 Determination of basic relative measurement error of AEDR of neutron radiation 4 5 3 FVKM 468166 010RE 10 4 2 2 Primary and auxiliary tools and equipment necessary for calibration are presented in the table 4 2 Table 4 2 Primary and auxiliary tools and equipment for calibration Name and type designation of primary or auxiliary calibration tool document that Item regulates technical requirements and or metrological and main technical characteristics of the calibration tool 4 5 3 Calibration installation UCPN 2M D complies with TU 4362 052 31867313 2005 Range of reproduced AEDR from
14. button Set address then in the window that will appear input the new address three dot separated groups of digits 3 digits in each group The range of values in each group from 002 to 254 After completion the input click Ok The new address will be written into the non volatile memory of the device At the same time parameter date of correction of parameters is automatically set to current date FVKM 468166 010RE 26 GET PARAMETERS F3 when the button F3 is pressed values of parameters on the Device parameters panel are refreshed SET PARAMETERS F2 when the button F2 is pressed new values of the dynamic parameters are written into device At the same time parameter date of correction of parameters is automatically set to current date FVKM 468166 010RE 27
15. cars when transported by open motor transport boxes shall be covered by the water proof material when transported by air the boxes with detecting devices shall be placed in air tight heated compartment FVKM 468166 010RE 12 when transported by water and sea transport the boxes with detecting devices shall be placed in the hold 7 2 Arrangement and fastening of the boxes on transport means shall provide their steady position en route absence of displacement and striking each other 7 3 The requirements of the inscriptions on the transport packing shall be observed during loading and unloading 7 4 Transportation conditions are as follows A A E RE A from minus 50 to 50 C RNE up to 98 at 35 C sinusoidal vibrations within frequency range from 10 to 55 Hz with displacement amplitude 0 35 mm 8 DISPOSAL 8 1 On full expiry of the detecting devices its component parts service life and also prior to its dispatching for repair or calibration it shall be inspected for possible radioactive contamination of its surfaces Criteria for decision making on decontamination and further use shall comply with obligatory requirements of national standards 8 2 Decontamination shall be attempted in cases when the detecting devices surfaces contamination including surfaces accessible during repair can be reduced below allowable limits In case the radioactive contamination exceeds allowable limit
16. ctric installations connection of detecting devices to the circuit of signal earth use of mobile phones within 10 meters of the detecting devices 2 2 Preparation of the product for use 2 2 1 For preparation of the detecting devices for use mount elements of the detecting devices connect the detector to the BD connector of the interface unit by means of signal cable in accordance with Appendix B if necessary arrange soldered connections and perform assembling of the signal cable in accordance with Appendix D connect the LINE connector of the interface unit to PC using a communication cable through the interface converter RS 232 RS 485 RS 422 or USB RS 485 RS 422 as shown in the Appendix B communication cable shall be assembled by the user with the help of cable socket ONC BS 1 10 14 in accordance with the diagram in the Appendix B apply power supply voltage start the TETRA Checker software on PC as described in the Software User Manual Appendix E and make sure that detecting devices parameters have being correctly read 2 2 2 The detecting devices operability can be checked by presence of indication of measurement result in the window Measuring data of the TETRA_Checker software 2 3 Use of a product 2 3 1 Detecting device does not require any actions of personnel during their operation Measurement results are transferred to the external communication channel based on the RS 485 i
17. e according to the IEC 1000 4 8 93 IEC 1000 4 9 93 IEC 61000 4 2 95 IEC 61000 4 3 2006 IEC 61000 4 4 2004 IEC 61000 4 5 95 IEC 61000 4 6 96 IEC 61000 4 12 95 and comply with the emission standards stated by the CISPR 22 2006 for equipment of class A 1 2 18 Detecting devices are stable against short duration 5 minutes overloads of the monitored radiation with AEDR of neutron radiation 1 Sv h After the overload devices are operable basic relative measurement error remains within limits stated in the 1 2 3 1 2 19 Detecting devices are operable after exposure to gamma radiation with AEDR up to 10 Sv h and 5 minutes duration 1 2 20 Detecting devices are stable under conditions of background gamma radiation with AEDR up to 0 01 Sv h Limits of complementary measurement error of AEDR under conditions of background gamma radiation with AEDR up to 0 01 Sv h relative to the measurement results at AEDR of neutron radiation of 1 0 mSv h no more than 10 1 2 21 By its protection against electric shock detecting devices comply with the IEC 61010 1 2001 1 2 22 Detecting devices are fire safe products with fire probability of no more than 10 year 1 2 23 Detecting devices withstand the exposure to decontaminating solutions 1 boric acid H3BO3 16 g sodium thiosulfate Na2S203 5420 10 g distilled water up to 1 liter 2 trisodium phosphate or sodium hexametaphosphate any detergent 10 20 g l water solutio
18. e version with handle alternatively it can be equipped with a light weight attachment fitting or a wall mounting Outline drawing of the neutron moderator are presented in the Appendix C 1 4 3 Interface unit BS 12 or BS 12 01DD PD or BS 12 02DD PD hereinafter interface unit includes voltage convertor with galvanic isolation for power supply to the internal circuits of the interface unit and the detector processor for conversion of the pulse sequence received from the detector to data containing measurement information about the AEDR communication chips with galvanic isolation for transfer of a signal with parameters complying with RS 422 or RS 485 interface via long cable In addition interface units BS 12 01DD PD are equipped with sound and light signalling with a button for muting an audible signal In addition interface units BS 12 02DD PD are equipped with sound and light signalling with a button for muting an audible signal and LCD for displaying the measurement results Interface unit is secured in place using bracket Overall and fitting dimensions of interface units are presented in the Appendix C 1 4 4 Operating principle of detecting device is based on conversion of the ionizing radiation energy into electric pulses FVKM 468166 010RE 6 The interface unit processes and converts measurement information received in a form of statistically distributed and conditioned pulses into informat
19. ecting device for calibration according to 2 2 apply power supply voltage Start the TETRA Checker software on the PC and make sure that detecting device parameters have being correctly read click on the program s panel on the PARAMETERS button and select request via broadcast address The detecting device operability can be checked by presence of indication of a measurement result in the window Measurement Information of the TETRA Checker software FVKM 468166 010RE 11 4 5 3 Determination of basic relative measurement error of AEDR of neutron radiation 4 5 3 1 Determine the basic relative measurement error by means of successive exposure of the detector to a set of AEDR of neutron radiation in the ranges from 10 to 100 uSv h and from 300 to 700 uSv h 4 5 3 2 For taking measurements detector should be placed in the radiation field of the calibration installation so that the axis of the collimated beam be perpendicular to the longitudinal axis of detector and pass through the center of the neutron moderator 4 5 3 3 Determine measurement results at the first and the second AEDR points as the average of five readings taken with interval of 100 seconds for each point 4 5 3 4 Calculate the relative error 8 of AEDR of neutron radiation in per cent using the following formula 2 Ho 100 4 1 H 0 where H AEDR value as measured by the detecting device uSv h H is the AEDR value reproduced by
20. face unit BS 12 Detecting device FVKM 468166 010 10 UDMN 100 01DD including RS 422 FVKM 418266 004 Detector BDMN 100 07 AJAH 418292 017 Interface unit BS 12 01DD Signalling feature Detecting device FVKM 468166 010 11 UDMN 100 01PD including RS 485 FVKM 418266 004 Detector BDMN 100 07 AJAH 418292 017 01 Interface unit BS 12 01PD Signalling feature Detecting device FVKM 468166 010 20 UDMN 100 02DD including RS 422 FVKM 418266 004 Detector BDMN 100 07 AJAH 418292 018 Interface unit BS 12 02DD Signalling and indicator features Detecting device FVKM 468166 010 21 UDMN 100 02PD including RS 485 FVKM 418266 004 Detector BDMN 100 07 AJAH 418292 018 01 Interface unit BS 12 02PD Signalling and indicator features FVKM 468166 010RE 3 1 2 Technical characteristics 1 2 1 Energy range of measured neutron radiation 0 025 to 10 0 MeV 1 2 2 Measurement range of the AEDR of neutron radiation 110 7to 1 10 Sv h 1 2 3 Limits of the permissible basic relative measurement error of AEDR of neutron CAMION ni eon i Y AEO A Re NAGA 25 1 2 4 Energy dependence for typical neutron spectra relative to the value obtained with neutron spectrum of Pu Be SONO ea A a ns 40 1 2 5 Anisotropy of the detecting device in the plane of longitudinal axis of the detector 35 1 2 6 Detecting device warm up TIME not more than 1 min 1 2 7 Continuous operation without limitation of number of turning on
21. ion about the EDR of neutron radiation The format of information obtained as a result of such transformation is defined by the DiBUS data exchange protocol that provides possibility of data transfer to the external devices intended for visualization storage and alarm signalling The interface units BS 12 01DD PD and BS 12 02DD PD generate light and sound signals when AEDR exceeds the alarm threshold Besides the above mentioned functions interface units BS 12 01DD PD also provide indication of AEDR measurement results on the LCD 1 4 5 By request of an external device interface unit returns measured value of AEDR E 10 Sv h at the time of request calculated by the formula N 1 MN E 10 K 1 1 where K sensitivity coefficient Sv h s N frequency of pulses count rate s M dead time s Note Typical value of sensitivity is K 2 0 10 Sv h s and of dead time M 23 0 us Sensitivity coefficient and dead time are written in the nonvolatile memory of the interface unit at the time of adjustment Reading and changing of these parameters as well as other adjustment and calibration operations are performed using the TETRA Checker software SPC Doza www doza ru 1 4 6 The user can select one of the following algorithms of count rate measurements Sliding and Following 1 4 6 1 The Sliding algorithm moving average method provides continuous measuremen
22. les for all measured quantity E 2 1 4 Device status panel On the Device status panel the information is displayed with regard to current state of the device and other device specific information readiness of the device for measurement different errors which occurred during the device operation results of comparison of the measured values with preset thresholds etc FVKM 468166 010RE 25 E 2 1 5 Device parameters panel E 2 1 5 1 The Device parameters panel contains information about static parameters which are not used in the measurements process and dynamic parameters which define measurement characteristics of the device and also general information about the device operation E 2 1 5 2 Static parameters Device address Device Device code Firmware version Configuration date Assembly date Device date time Volume level Current device language Factory number Parameter Configuration date is a variable it is automatically changed when the Set parameters button is pressed Parameter device address represents the net address of the device E 2 1 5 3 Dynamic parameters Each device has its own set of dynamic parameters Some parameters can possess the value of 0 or 1 some parameters can possess the value in the exponential form for example 2 3E 003 0 0023 Some parameters are read only for example Running hours Correction of
23. n 3 5 citric acid solution in rectified alcohol for connectors and contacts 1 2 24 Overall dimensions and weight no more than 1 detector BDMN 100 07 With handle ss ere are nn nus ws Sate Un w Sei te te 316x240x290 mm with light weight attachment fitting 254x256x350 mm with wall mounting AAA A Et 428x258x347 mm 2 interface unit BS EE A E E 80x64x170 mm BS 12 01DD PD BS 12 02DD PD 0oooooocccccncncncncononcncnnoncnnnnonos 80x75x220 mm 1 2 25 Weight not more than detector BDMN 100 07 with handle 11 5 kg with light weight attachment fitting 3 2 kg PNA AOU a T sr wet ne chat Oak R OP sta EA 14 3 kg interface unit BS A2 n SES RS rk OE OE MMA RAE 0 8 kg interface unit BS 12 01DD PD BS 12 02DD PD 22 0 8 kg 1 2 26 Communication cable length between detector BDMN 100 07 and interface unit up to 20 m 1 2 27 Total cable length between all elements of the information network in which the device is included and data processing device detecting device that receives and process TIO TMA OM RE NE up to 1200 m Type of cable FTP 4 category 5 FVKM 468166 010RE 5 1 2 28 Mean time before failure ooooccccccccccccccccnnncccnnncnnono not less than 10000 hours 1229 Mean lifetime wrak O Ad not less than 10 years 1 3 Configuration 1 3 1 The detecting
24. nce designation of the interface unit works number of Interface unit according to the manufacturer s system of numeration pattern approval mark of the measurement instrument made in Russia 2 another nameplate contains the following markings trademark or name of the manufacturer designation of a device of which the unit constitutes a part designation of the interface unit works number according to the manufacturer s system of numeration degree of ingress protection 1 5 3 Place and method of marking of elements constituting the detecting devices comply with the design documentation 1 5 4 All elements constituting the detecting devices are sealed in accordance with the design documentation 1 6 Packing 1 6 1 The detecting devices package complies with the design documentation and provides protection against ingress of atmospheric precipitations and aerosols splashes of water dust sand solar ultra violet radiation and limits the ingress of water vapour and gases 2 INTENDED USE 2 1 Operational limitations 2 1 1 Detecting devices can be used with installations equipped with corresponding data exchange interface and providing power supply with required voltage for detectors FVKM 468166 010RE 8 2 1 2 The following is not allowed during operation use of detecting devices at medium 6 35 kV and high above 35 kV voltage electric substation use of detecting devices as parts of high power ele
25. nterface DiBUS data exchange protocol 2 4 Adjustment 2 4 1 Before performing adjustment prepare the detecting device according to 2 2 2 4 2 Change of linear sensitivity factor K of the detector is performed by correcting the Sensitivity index parameter using the TETRA Checker software according to the formula 1 1 Change of this parameter results in proportional change of the indications within all measurement range 2 4 3 Correction of indications in the end of the range more than 0 4 of the upper limit of measurement range is performed by adjusting the dead time using the TETRA_ Checker software Increasing dead time results in increasing indications at high count rates only 3 MAINTENANCE 3 1 General notes 3 1 1 Maintenance is performed with the purpose of ensuring correct and long term operation of detecting devices 3 1 2 Operating personnel who has basic computer user skills and skills of working with dosimetric equipment are permitted for maintenance of the detecting devices 3 2 Safety precautions 3 2 1 Before beginning to work with detecting devices familiarize yourself with this User Manual FVKM 468166 010RE 9 3 2 2 During all operations with detecting devices it is necessary to follow occupational and radiation safety requirements of current safety instructions in the company enterprise 3 2 3 All cable connections and disconnections should be performed with the power supply cut off
26. ous value of the measured quantity set R BYTE 1 as DEFAULT number of pulses for calculation of instantaneous value and unique ID 0x10 Value of selected measured quantity R Single 25 0x13 Measurement interval of the selected measured R DWORD 11 quantity 0x14 Measurement uncertainty R BYTE 1 0x18 Status of the detecting device R WORD 5 0x19 Description of the selected command of the restart W BYTE 1 of measurement Oxle Detecting device code R BYTE 1 Oxld Net address of the detecting device W DiBUS address 33 0x1f Date and time of the detecting device R W Long DateTime 31 Measured quantities 0x22 AEDR Sv h R Single 25 0x23 Interval for EDR measurement s R DWORD 11 0x24 Measurement uncertainty R BYTE 1 0x2c Average count rate counts per second cps R Single 25 0x89 Hours worked R DWORD 11 Parameters 0x71 Alarm threshold Sv h R W Single 25 0x73 Preliminary threshold Sv h R W _ Single 25 0x75 Bottom threshold Sv h R W _ Single 25 0x77 Algorithm 0 Following 1 Sliding R W Single 25 0x79 interval quantity Sliding 1 60 R W Single 25 0x7b interval time Sliding seconds 1 65535 R W _ Single 25 0x7d Sensitivity coefficient R W Single 25 0x7f Dead time us R W _ Single 25 0x81 IKI R W _ Single 25 0x83 K2 R W _ Single 25 0x85 K3 R W Single 25 0x87 DB accumulated dose Sv R W Single 25 0
27. pared with preset thresholds each second the following thresholds are limiting the tunnel of allowable AEDR of neutron radiation Alarm threshold this threshold defines the upper limit of the tunnel Preliminary threshold this threshold sets the warning level Bottom threshold the bottom of the tunnel signal falling below the bottom line is usually evidence about the detector failure or decreasing of the controlled process intensity below allowable limit In case when zero value of the threshold is set it is inactive 1 4 8 Detecting devices require external stabilized power supply Wiring diagram and assignment of the connectors contacts are presented in the Appendix B 1 4 9 Interface units ensure galvanic isolation of the electronic circuit elements of the interface unit and detector from the circuits of the information network LINE connector of the interface unit 1 5 Marking and sealing 1 5 1 Detector casings have one nameplate with the following information trademark and name of the manufacturer supplier designation of a detecting device of which the unit constitutes a part reference designation of the detector works number according to the manufacturer s system of numeration degree of ingress protection 1 5 2 Interface units have two nameplates on their casings 1 one nameplate contains the following markings trademark or name of the manufacturer refere
28. s requirements set forth for the radioactive wastes become applicable to the detecting devices 8 3 Detecting devices accepted for operation after decontamination are subjects for repair or replacement in case of failure Detecting devices not suitable for operation with radioactive contamination levels below permissible limits should be dismantled to prevent further use and transferred to a special site for disposal of industrial wastes 8 4 Detecting devices with expired lifetime accepted for use after decontamination shall undergo technical inspection If the technical condition of a detecting devices is satisfactory an extended operation term of the product shall be determined FVKM 468166 010RE 13 Appendix A Reference DESCRIPTION OF DATA EXCHANGE REGISTERS IN THE DIBUS PROTOCOL A 1 Data for reading from and writing to the detecting devices A 1 Data for reading from and writing to the detecting devices are interrogated in accordance with indices indicated in the table A 1 Table A 1 Data for reading from and writing to the detecting devices Index Description R W ee ie 0x0c For calibration of the detecting device R Long DateTime 31 0x0d Date of manufacturing of the detecting device R Long DateTime 31 0x0f Value of the selected measured quantity status R BYTE 1 Combined package 0x09 Instantane
29. t of the count rate The measurement result is determined as an arithmetic mean of separate readings that corresponds to measurement intervals of user selected duration and with the number of readings to be averaged also determined by the user The algorithm includes two parameters the number of elementary measurements interval quantity which can be set to any value between 1 and 60 duration of the measurement interval interval time which can be set to any value between 1 and 65535 seconds Measurement interval is a period between two subsequent readings refreshing a measurement result The default measurement interval set by the manufacturer is 20 seconds The product of measurement interval time and a number of such intervals represents the averaging time when measuring count rate The greater this product is the lesser is the statistical uncertainty of measurement however the response time to changes of the measured quantity is also greater 1 4 6 2 Algorithm Following allows tracking smooth variations as well as record jumps of the measured quantity The Following algorithm is characterized by a fast response to the measured quantity jumps which exceed the mean value by more than 36 where o JN N frequency of pulses s corresponding to the numerical value of jump like change At constant frequency of pulses the averaging time is 200 seconds FVKM 468166 010RE 7 1 4 7 The measurement result is com
30. the product and instructions essential for correct and safe use of this product intended use maintenance servicing storage and transportation as well as information regarding the utilization of the product 1 DESCRIPTION AND OPERATION OF THE PRODUCT 1 1 Product functionality Detecting devices UDMN 100 FVKM 468166 010 hereinafter detecting devices are intended for measurement of the ambient equivalent dose rate H 10 of neutron radiation hereinafter AEDR Detecting devices are used for radiation monitoring at the facilities involved in production processing and use of radioactive materials facilities manufacturing and or using radiation sources at nuclear plants including nuclear plants of nuclear powered vessels Detecting devices are able to convert measurement information into data with content and formatting complying with the DiBUS data exchange protocol and to transfer the data to external information channels via communication lines with RS 422 or RS 485 interface Detecting devices can be operated as standalone units or as part of the radiation monitoring systems complexes and installations Table 1 1 describes modifications of detecting devices that differ by interface units Table 1 1 Modifications of detecting devices Designation Description Interface type Detecting device FVKM 468166 010 UDMN 100 including RS 485 RS 422 FVKM 418266 004 Detector BDMN 100 07 FVKM 408844 005 Inter
31. the window Parameters FVKM 468166 010RE 24 The following can be done using the window Parameters selection of the serial port to which the device is connected setting extra waiting time of device s reply which may be necessary when additional devices radio modems protocol convertors etc are present in the information channel between the device and personal computer selection of the program s mode of operation with the device operation with individual device is fulfilled in the mode of requests using the broadcast address 1 e without indicating the net address of the device interrogation of the specified address is necessary when selection of a single device is needed from the functioning system or installation E 2 1 2 Information panel Information panel is located in the upper part of the main window to the left from the PARAMETERS button The following is displayed on the information panel in the course of the device preparation for measurements message banners related to the device preparation for switching to operating mode inthe course of measurements measurement result of the default measured quantity incase of failures during data exchange with PC information on errors The following messages may be displayed on the information panel in different situations when failures occur during data exchange COM port error probably the non existent port was selected
32. with handle 254 194 I 3 N Y 2 T z x 2 holes 96 5 260 242 Figure C 2 Detector BDMN 100 07 with light weight attachment fitting FVKM 468166 010RE 18 428 380262 387 Neutron moderator N S N Wall mounting 4 holes Detector module 258 Figure C 3 Detector BDMN 100 07 with wall mounting FVKM 468166 010RE 19 Plug ONC BS 1 10 14 V1 1 V 64 2 SR S S O I B5 4 2 holes Plug ONC BS 1 7 12 V1 L V 80 Any position of installation at the facility is allowed Material of casing alloy AKT2 Coating of casing paint RAL7038 light grey glossy Material of bracket steel grade Sf 10 Coating of bracket paint RAL 7038 light grey glossy Figure C 4 Interface unit BS 12 FVKM 468166 010RE 20 125 Plug ONC BS 1 10 14 V1 1 V 2 202 218 175 2 holes 64 ONC BS 1 7 12 V1 1 V Figure C 5 Interface unit BS 12 02DD PD FVKM 468166 010RE 21 Appendix D Obligatory ASSEMBLING OF THE SIGNAL CABLE 1 6 20 m XB Circuit lens 12V 12V Tesf Test Output Output Casing Casing Screen Screen 1 Soldering shall be made using solder alloy with water removable flux 2 Isolation tubes pos 6 PVC 15mm
33. x8b Self background Svh R W Single 25 FVKM 468166 010RE 14 A 2 Restart of measurement Register 0x19 is used for restarting of measurement of the N th measured quantity The list of values written to this register is presented in the table A 2 Table A 2 Values written to the register 0x19 Written value Description 0x00 Restart of measurement of selected measured quantity N 1 0xfe Restart of measurement of N th measured quantity Oxff Restart of measurement of all measured quantities A 3 Status of the detecting device Register with index 0x18 is used for determination of the detecting device status The value 0x0000 corresponds to normal state of the detecting device Flags of the status register 0x18 are presented in the table A 3 15 11 10 9 8 7 6 5 4 3 2 R RRP DVRD R THRRF THRPF THRPF R MEMERR BDBRF SCRTF Table A 3 Description of flags of the status register 0x18 Flag Purpose SCRTF 1 Short circuit BDBRF 1 Detector is out of order MEMERR 1 malfunction of the nonvolatile memory THRPF 1 Alarm threshold threshold is exceeded THRPF 1 Preliminary threshold is exceeded THRRF 1 The measured value is below the Bottom threshold DVRD 1 Detecting device is not ready RRP 1 Parameters were changed R Reserved FVKM 468166 010RE

User Manual (Detecting device UDMN-100)

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