BDBG-09
DETECTING UNIT OF GAMMA RADIATION
Operating manual
Page 1: ...BDBG 09 DETECTING UNIT OF GAMMA RADIATION Operating manual...
Page 2: ...Operating manual 418266 006 03...
Page 3: ...3 3 CONTENTS 1 DESCRIPTION AND OPERATION 4 2 PROPER USE 10 3 MAINTENANCE 13 4 REPAIR 20 5 STORAGE AND PUTTING IN PROLONGED STORAGE 20 6 SHIPPING 20 7 DISPOSAL 20 APPENDIX 21 APPENDIX B 28 APPENDIX C 4...
Page 4: ...Technical specifications 1 2 1 Key specifications are presented in the Table 1 1 Table 1 1 Key specifications of the detecting unit Name Unit of measurement Standardized value according to the specifi...
Page 5: ...1 Concerning the resistance to climatic and other environmental factors the detecting unit meets the requirements outlined below 1 2 2 2 The detecting unit is resistant to the influence of the followi...
Page 6: ...kraine No 175 dated October 17 2014 design elevation up to 70 m 1 3 Delivery kit of the detecting unit The delivery kit of the detecting unit consists of units and maintenance documentation given belo...
Page 7: ...nt 3 and corbel 4 to attach to the wall Figure 1 a Alternatively the detecting unit can be fastened to the surface where it will be directly installed is shown in Figure 1 b The Figure 1 b shows that...
Page 8: ...ow with the account of personal background of the detectors The microcontroller also calculates a maximum value of DER measurement statistical error for each gamma radiation DER value At the same time...
Page 9: ...001 468353 001 Serial port adapter 436231 001 Power unit 685621 002 Service cable 685622 002 Service cable 467371 001 CD with technological software 7 Personal computer IBM compatible personal comput...
Page 10: ...d into unitized shipping containers boxes Inside surfaces of the walls bottom and cover of the box should be furnished with corrugated cradboard Note Other types of unitized containers containers cart...
Page 11: ...nnect the detecting unit to the adapter with the help of the 685621 002 service cable 2 2 3 3 Switch the PC on connect the power unit of the adapter to 220 22 V industrial network Start the bdbg exe p...
Page 12: ...during use of the detecting unit fully comply with the requirements presented in 2 2 1 of the OM 2 3 1 2 The direct use of the detecting unit is not dangerous for the maintenance personnel and is env...
Page 13: ...ng unit 3 1 3 1 External examination 3 1 3 1 1 External examination of the detecting unit should be performed in the following order check the technical condition of the detecting unit surface integri...
Page 14: ...uate the necessity of sending the detecting unit for repair and type of repair for mid life repair deviation of parameters from control values during periodical verification of the detecting unit b mi...
Page 15: ...e 467371 001 CD with technological software Usage of other measurement equipment that meets the specified accuracy is allowed 3 2 3 Testing conditions Testing should be carried in compliance with the...
Page 16: ...R by the formula 5 10 5 1 i i H H 3 1 3 2 4 3 6 Place the 3 carriage with the detecting unit in a position where gamma radiation DER from 137 s source is equal to 10 0 H 0 8 0 1 Sv h 3 2 4 3 7 In thre...
Page 17: ...hat measurement results should be taken after the probable value of measured gamma radiation DER appears in the MEASURED RATE zone of the bdbg exe program window Value probability is indicated by gamm...
Page 18: ...e and with 6 0 0 1 V voltage connect to the terminals 12 V and 6 V of the switching desk respectively 3 2 4 3 22 2 Fix the detecting unit in the 3 carriage holder so that the mechanical center of gamm...
Page 19: ...3 22 13 Perform operations 3 2 4 3 22 6 3 2 4 3 22 7 and 3 2 4 3 22 9 for gamma radiation DER from 137 Cs source 137 Cs 10 0 H 800 0 100 0 Sv h 3 2 4 3 22 14 Perform operations 3 2 4 3 22 6 3 2 4 3 2...
Page 20: ...olonged storage or repeated use silicagel should be dried Total time of the detecting unit storage with the account of the repeated closing down should not exceed 10 years 6 SHIPPING 6 1 The detecting...
Page 21: ...logy software includes bdbg exe program drivers for USB serial device and serial port 6 Installing technology software Installation requires administrator rights 6 1 Installing drivers for the USB ser...
Page 22: ...418266 006 03 22 For proper functioning of the bdbg exe program set the minimum value of 1mS in the property of Latency Timer of the USB serial port Do the following open the Properties window USB Se...
Page 23: ...Operating manual 418266 006 03 23 select the Port Settings tab click Advanced change the value of Latency Timer ms complete the input by clicking...
Page 24: ...an be calculated using the Windows command line certutil hashfile bootdrive Program Files SVC bdbg exe MD5 If the calculated MD5 hash does not match with the above one the BDBG EXE program has been co...
Page 25: ...on the monitor Serial indicates a serial number of the detecting unit MEASURED DOSE RATE indicates DER measurement result received from the detecting unit It can be indicated in two colors grey and b...
Page 26: ...nge If the detecting unit is operated using extended protocol v1 3 the current response delay factor to the broadcast query is displayed in the Current delay factor field This factor is also stored in...
Page 27: ...g the detecting unit receiving and displaying DER measurement results Queries are sent to the detecting unit with one second interval Stop clicking this button terminates the exchange process started...
Page 28: ...ng unit will respond with the Factors frame where the current calibration factors will be given To change the calibration factors the data display system should transmit the New factors frame to the d...
Page 29: ...Byte AAh 1 0 1 0 1 0 1 0 0 0 0 1 3 2 1 0 D7 D4 Current DER frame code D3 D0 detecting unit address DER0 low byte DER fixed point number Least significant bit LSB 0 01 Sv h DER1 DER2 DER3 high byte Byt...
Page 30: ...st address All detecting units respond to the query with such address Current temperature frame format the detecting unit to the data display system D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 1 0 1 0 1 Byte 55h st...
Page 31: ...sa middle byte mantissa high byte Personal background of the high sensitivity detector float MSP430 exponent mantissa low byte mantissa middle byte mantissa high byte Multiplication factor of the low...
Page 32: ...e low byte Dead time physical of the high sensitivity detector word high byte low byte Dead time physical 3 of the high sensitivity detector word high byte mantissa high byte Background K of the high...
Page 33: ...ial No _0 low byte Serial No of the detecting unit Serial No _1 Serial No _2 Serial No _3 high byte control arithmetical checksum with a carry Address change frame format the data display system to th...
Page 34: ...the response delay factor to broadcast query the data display system should send the Serial _1 query frame to the detecting unit The detecting unit will respond in 5 ms to 15 ms with the Serial _1 fra...
Page 35: ...start of frame character Byte AAh 1 0 1 0 1 0 1 0 0 1 1 1 0 0 0 0 D7 D4 protocol v1 3 character address D7 D0 detecting unit address 0 0 0 0 0 0 0 1 D7 D0 Current DER1 frame code DER0 low byte DER fix...
Page 36: ...FFh address broadcast address All detecting units respond to the query with this address Current temperature1 frame format the detecting unit to the data display system D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 1...
Page 37: ...hysical 3 of the high sensitivity detector word high byte mantissa high byte Background K of the high sensitivity detector float MSP430 exponent mantissa low byte mantissa middle byte mantissa high by...
Page 38: ...1 0 0 0 0 0 0 1 1 D6 D0 Confirmation1 frame code D7 0 normal operation D7 1 error control arithmetical checksum with a carry Current factors1 query frame format the data display system to the detecti...
Page 39: ...l 3 of the high sensitivity detector word high byte mantissa high byte Background K of the high sensitivity detector float MSP430 exponent mantissa low byte mantissa middle byte mantissa high byte Per...
Page 40: ...ess broadcast address All detecting units respond to the query with such address Serial _1 frame format the detecting unit to the data display system D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 1 0 1 0 1 Byte 55h s...
Page 41: ...code new address D7 D0 new address of the detecting unit new constant D7 D0 new response delay factor to broadcast query control arithmetical checksum with a carry Confirmation1 frame format the detec...
Page 42: ...and v1 3 protocol is calculated according to Figure B 1 bytei D7 D6 D5 D4 D3 D2 D1 D0 arithmetical summation checksumi 1 D7 D6 D5 D4 D3 D2 D1 D0 partial result carry D7 D6 D5 D4 D3 D2 D1 D0 arithmeti...
Page 43: ...IRSCHMANN interface connection serves to connect the data display system to the detecting unit The interface connection contains the following signals Signal contact RS 485 Circuit A 1 RS 485 Circuit...
Page 44: ...d time formula 50 Dead time physical 49 642 BDBG 09 0308123 Response delay factor to broadcast query 1 06 04 2009 15 14 34 0 00 Sv h 255 OK 06 04 2009 15 14 44 0 12 Sv h 115 OK 24 3 06 04 2009 15 14 5...
Page 45: ...n CA6LD connection resistance to mechanical and climatic factors depending on the use conditions active resistance per unit length depending on the cable length according to the formula D 1 it is dete...
Page 46: ...plane 100 80 60 40 20 0 Cs 137 60 241 1 90 0 150 0 180 0 0 0 270 0 30 0 120 0 60 0 3300 3000 240 0 210 0 241 Cs 137 Co 60 Anisotropy of the BDBG 09 horizontal plane 100 80 60 40 20 0 Cs 137 60 241 1 9...
