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Section 5 Geophone Testing

SENSOR

SMT-200 Operations and Technical Manual 2.00/R1

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Содержание SMT-200

Страница 1: ...Io SENSOR SMT 200 Operations and Technical Manual 2 00 R1 SENSOR Nederland b v SMT 200 v2 00 Operations and Technical Manual ...

Страница 2: ...Io SENSOR SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 3: ... during the warranty period provided it is returned to an INPUT OUTPUT INC office and providing the proper preventative maintenance procedures as listed in this manual are followed Repairs necessitated by misuse of the product are not covered by this warranty NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTIC...

Страница 4: ...tware and should not be construed as a sale of any right in the software I O s third party suppliers may protect their rights in the event of any violation of these terms Copies and Adaptations You may only make copies or adaptations of the software for archival purposes or when copying or adaptation is an essential step in the authorised use of the software You must reproduce all copyright notice...

Страница 5: ...tation program version 1 89 and higher are year 2000 compliant Please note that during data transfer from or to the PC and during updates of the SMT 200 program the time and date of the SMT 200 is synchronised with the time and date of the host PC To prevent possible date conflicts it is strongly recommended to attach the SMT 200 only to PC s that are year 2000 compliant To prevent possible update...

Страница 6: ...elect menu Selects the type of geophone element used 22 2 15 2 2 2 Edit Edit the geophone parameters 22 2 16 2 2 3 Copy Copy existing element description to a new geophone type 22 2 16 2 2 4 Delete Deletes an existing element description 22 2 17 2 3 Operating menu General options for string testing 23 2 18 2 4 Tests Sequence Selects the tests to be performed on the string 24 2 19 2 5 Display menu ...

Страница 7: ... 3 9 1 Instructions for System Update 45 3 9 2 Failing System Updates 45 3 10 The SMT 200 Geophone Specifications File 45 SECTION 4 RFID TAG READER 47 4 1 RFID Tag reader introduction 49 4 2 Principles of the RFID Tag reader 49 4 3 Working with the RFID Tag reader 50 4 3 1 Read tags 50 4 3 2 Test the strings 51 4 3 3 Transfer data file 52 4 4 Sorting the tag list 53 4 4 1 Download the tag list to ...

Страница 8: ...rging 84 APPENDIX A CONNECTOR PIN OUTS 87 A 1 SMT 200 Bendix Connector 89 A 2 Docking Station SMT 200 Connector 89 A 3 Docking Station External Smartec Connector 90 A 4 Docking Station PC Connector 90 A 5 Smartec Temperature Sensor 91 A 6 SMT 200 to Docking Station Cable 92 APPENDIX B TEST OVERVIEW 93 B 1 Geophone Basics 95 B 2 Polarity Test 95 B 3 Noise Test 96 B 4 Leakage Test 96 B 5 Resistance ...

Страница 9: ...6 D 1 3 SMT 200 Filter 117 D 1 4 SMT 200 Keyboard 118 D 1 5 SMT 200 DAC 119 D 1 6 SMT 200 Geophone Circuit 120 D 1 7 SMT 200 Power 121 D 1 8 SMT 200 Display 122 D 2 SMT 200 Component Layout SMT 200 7 01 98 123 D 3 SMT 200 Docking Station Schematics 124 D 3 1 SMT 200 Docking Station Charger 124 D 3 2 UC3906 B1 125 D 3 3 UC3906 B2 126 D 4 SMT 200 Component Layout SMT 200 7 CHARGER 01 98 127 APPENDIX...

Страница 10: ...damping Bc Coil damping Bt Total damping FFT Fast Fourier Transfer Fn Natural frequency Go Open circuit sensitivity Hz Hertz Kg Kilogram Lbs Pounds M Suspended mass mm Millimeters m Meters MB Mega byte Rc Coil resistance Rs Shunt resistance Rt Total geophone resistance V Volts v Software version V in s Volts per inch per second V m s Volts per meter per second VAC Volts alternating current ...

Страница 11: ...Io SENSOR Section 1 Introduction SMT 200 Operations and Technical Manual 2 00 R1 1 Section 1 Introduction ...

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Страница 13: ...appreciated for the future development of this product The software provided with this tester is proprietary and may not be copied without prior consent having been obtained from Sensor Nederland b v 1 2 Technical Support Further information and assistance can be obtained by calling one of the following I O SENSOR Technical Support locations EUROPE Sensor Nederland bv Rouwkooplaan 8 2251 AP Voorsc...

Страница 14: ...ed or connected to the docking station for file transfer The battery pack will supply enough power for 4 hours heavy field use 1 4 Specifications Natural Frequency Range 1 to 100Hz Accuracy 8Hz 2 of measured value or 0 1Hz whichever is the greater 8Hz 14Hz 0 5 of measured value or 0 05Hz whichever is the greater 14Hz 1 of measured value Display Resolution 0 01Hz Coil Resistance Range 20 to 9999 oh...

Страница 15: ...to 140 F Storage temperature range 40 to 70 C 40 to 158 F NOTE All capabilities are measured at 20 C 1 5 Packaging information Before getting started please check the package is complete with the following items Transport case SMT 200 including carry strap Two Battery packs Docking Station Reference geophone SM4 U B 10Hz 375 ohm Geophone cable Bendix to unterminated incl temp sensor in Bendix conn...

Страница 16: ... a maintenance free 1 2 AH Lead Acid Gel Cell This type of battery can be used in any position and features a low self discharge which means it can be left unused for some time without requiring recharging Due to the sealed nature of the battery it should only be recharged on the supplied docking station The battery could be destroyed if it is recharged with the incorrect type of charging unit To ...

Страница 17: ...Io SENSOR Section 2 SMT 200 Operations SMT 200 Operations and Technical Manual 2 00 R1 7 Section 2 SMT 200 Operations ...

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Страница 19: ...nit will beep to acknowledge the power up request The start up screen will be displayed while the system is going through a set of Power On Self Tests POST This is a functional test of the CPU and its associated hardware After approximately 20 seconds the unit will beep once and the main menu will appear after a further 20 seconds The unit is now ready for operation If this is the first time the u...

Страница 20: ...The down and right cursors move down the screen and the up and left cursors move up the screen DIRECT CONTROL Hit the number corresponding to the desired sub menu on the numeric keypad This will take you directly to the required menu NOTE The Tag Reader 5 is an SMT 200 optional extra If not used all menu items related to this feature can be removed from SMT 200 menu item display via the Docking St...

Страница 21: ...D backlight on or off select 2 Setup menu then 6 Display menu then depending on it s state hitting 1 will turn the backlight on or off The backlight can now be turned on or off by repeatedly hitting the 1 key Hit 0 then 0 to return to the Main menu Main menu 1 Do a test 2 Setup menu 3 Temp menu 4 File menu 5 Tag menu 6 About 0 Shut down Enter test mode File menu 1 Redisplay last 2 Storage status 3...

Страница 22: ... Time 9 Diagnostics 0 Back to Main Submenu for String Config Display menu 1 Backlight ON 2 LCD Contrast 3 LCD Contrast 4 Beeps ON 5 Key Beeps ON 6 Metric units 0 Back to Setup Select display back light 2 6 Main menu 1 Do a test 2 Setup menu 3 Temp menu 4 File menu 5 Tag menu 6 About 0 Shut down Enter test mode Setup menu 1 String menu 2 Geophone menu 3 Operating menu 4 Tests sequence 5 Limits menu...

Страница 23: ... the battery voltage drops below 10 7 volts NOTE In the rare case that the SMT 200 locks up and cannot be shut down at all then the only way to reset the tester is to remove the battery pack USE ONLY AS A LAST RESORT Main menu 1 Do a test 2 Setup menu 3 Temp menu 4 File menu 5 Tag menu 6 About 0 Shut down Enter test mode Main menu 1 Do a test 2 Setup menu 3 Temp menu 4 File menu 5 Tag menu 6 About...

Страница 24: ...ar Graph Indicator of battery status Battery almost full Battery half full Battery almost empty Screens where the Battery Status Monitor is Displayed Main menu 1 Do a test 2 Setup menu 3 Temp menu 4 File menu 5 Tag menu 6 About 0 Shut down Enter test mode Test results No 1 Temp 20 0 C Pol 1 Leak 1401 Mohm Res 382 ohm Freq 9 91 Hz Damp 0 259 Sens 28 7 V m s Dist 0 04 Imp 2205 ohm Test OK 0 Back to ...

Страница 25: ...etting Function of the battery level monitoring requires that jumper JP5 located on the SMT 200 main PCB be set to the BatTst position When upgrading software on older SMT 200 s it s possible that this jumper may need to be repositioned NOTE This option is not available on early SMT 200 models of revision 1 and lower ...

Страница 26: ...Submenu for String Config Temperature menu 1 Temp 20 0 C 2 Ref Geo Temp 3 Smartec ON 4 Smartec Temp 0 Back to main Enter display string temp File menu 1 Redisplay last 2 Storage status 3 Dump data file 4 List data file 5 Erase ALL data 6 Read Config 7 Save Config 0 Back to Main Redisplay the Last test data Tag menu 1 Read tags 2 Taglist 0 Back to Main Read RF ID tag Test results No 1 Temp 20 0 C P...

Страница 27: ...ad in 10 0 m 7 Use Shunt no 8 Shunt 1000 ohm 0 Back to Setup Imp Met Enter next test or string number Geophone menu 1 Select 2 Edit 3 Copy 4 Delete 0 Back to Setup Select the spec Sensor SM4 Operating menu 1 Autonumber ON 2 Save Rej s YES 3 Full Test 4 Cont on reject 5 Constant Exc 6 T Corr on Data 7 Continuous off 8 Interval 5 s 0 Back to Setup Enable automatic test numbering A 1 2 3 Select menu ...

Страница 28: ...nfig 7 Save Config Initialize Start Terminal then press 0 B 1 2 3 File Menu Structure 12 817 10 11 0 6 13 819 10 12 0 6 14 816 10 12 0 6 15 816 10 11 0 7 16 817 10 10 0 6 17 819 10 10 0 6 18 820 10 09 0 7 19 818 10 05 0 6 20 817 10 01 0 6 21 815 10 10 0 7 22 812 10 15 0 7 23 818 10 11 0 6 24 817 10 12 0 6 25 816 10 08 0 7 12 817 10 12 0 6 File menu 1 Redisplay last 2 Storage status 3 Dump data fil...

Страница 29: ...e next string to be tested Estimated Space Gives an approximation to the amount of records that can be stored with the available memory left Back to Main Return to the Main menu Repeat Test Repeat test overwriting previous string results Start next test Start test data collection for current string No Record number of the stored result Temp Temperature set when tests were recorded Pol 1 SEG 1 Non ...

Страница 30: ...menu Set the string geometry and leader parameters No Identification number of geophone string Series Number of elements in series Parallel Number of elements in parallel R Cab Leader cable resistance in Ω km Interval Distance between geophones in m Lead in Distance of lead in cable in m Use Shunt Option to include damping resistor in calculations Shunt Value for damping resistor if used in Ω Back...

Страница 31: ...rive level for the Low drive continuous impedance test in percent Input range is 1 99 default is 10 of nominal drive level Noise Maximum limit allowable for ambient noise in mV Leak Minimum allowable leakage in MΩ Max_Test Maximum number of tests when Continuous mode selected Bar_range Specifies bar graph sensitivity for continuous impedance test Input range is 1 99 default is 10 Pol_Sens Specifie...

Страница 32: ...urers data sheet for the particular element in use TIP use the key to switch between metric and imperial units if necessary 2 16 2 2 3 Copy Copy existing element description to a new geophone type Hit ENTER START a new description will be generated with the filename newspec where is the allocated sequential file number This will then be the selected geophone 2 16 2 2 4 Delete Deletes an existing e...

Страница 33: ...8 m s The actual excursion that this produces will depend on the frequency of the drive signal and the natural frequency of the element Lower drive frequencies will result in a proportional increase in the moving mass excursion The increased movement could result in increased distortion due to the springs being driven into a non linear region To take this into account the test can be carried out w...

Страница 34: ...p test is the first after Low_Drive or last test to be performed 2 19 2 5 Display menu Customises display keypad and sound options Backlight Toggles the LCD backlight on or off LCD Contrast Increases contrast of LCD display LCD Contrast Decreases contrast of LCD display Beeps Enables or disables SMT 200 warning tones Key Beeps Enables or disables keyboard feedback tones Metric Units Toggles betwee...

Страница 35: ...utdown sequence in minutes This time is reset with each key press No data is lost if the unit does shut down automatically Log Off Sets the time the SMT 200 takes to shutdown in seconds 2 21 2 8 Date Time Sets the SMT 200 clock Move to the different fields by pressing the left and right cursor keys You can then change the value by the up and down cursor keys 2 Setup menu 7 Power menu Power menu 1 ...

Страница 36: ...mulation This will allow you to generate synthetic data instead of real collected geophone data This is particularly useful for training and getting used to the SMT 200 without needing to have a strings connected Make sure this is set to off before testing actual strings Test results are saved with the comment SIMULATION Post Mortem Shows how the unit shut down previously The table below shows the...

Страница 37: ...stics test plug for each of these tests Serial port Rx and Tx lines are linked together and a communications test run If successful Ok is displayed and with a failed test Nok InTemp SMT 200 internal temperature is continually measured and displayed Exit test by pressing any key ExTemp SMT 200 external temperature probe is continually measured and displayed If no probe is connected message n a is d...

Страница 38: ...ltage and the measured offset and AD reading is reported DC Gain Each range 0 08 0 16 0 31 0 63 1 25 2 50 5 00 10 00 is tested using a DC voltage and the measured offset and AD reading is reported Leakage Is continuously measured and the resultant value displayed Exit test by pressing 0 2 23 3 Temp menu Read or set the external temperature and temperature options It is important to compensate the ...

Страница 39: ...ue to temperature variation the actual temperature can be calculated There is a Smartec temperature sensor built into the Bendix connector of the SMT 200 It is important to make sure that the temperature of this connector is the same as the temperature of the geophones under test See Smartec connections in appendix A for further details The cable which connects the SMT 200 with the Docking Station...

Страница 40: ...rase data Delete all records held in memory Read Config Reloads SMT 200 configuration file from memory Save Config Saves SMT 200 configuration file to memory 2 25 4 1 Redisplay Last Shows the result of the last test run If a test has not been run since the SMT 200 was switched on there will be no meaningful data shown File menu 1 Redisplay last 2 Storage status 3 Dump data file 4 List data file 5 ...

Страница 41: ...contents using a terminal program Default setting of the terminal is 9600 N 8 1 with flow control off The baud rate can be changed via the docking station program This procedure should be followed to prevent problems with the DTR line activating the start button Three messages displayed during this procedure a Start Terminal then Press 0 b Dumping data 0 Cancel c Stop Terminal then Press 0 4 File ...

Страница 42: ...s will clear all the records currently held in the data file Press ENTER START to confirm erasing file or 0 to cancel command Once erased the data file cannot be recovered 4 File menu 4 List data file 12 817 10 11 0 6 13 819 10 12 0 6 14 816 10 12 0 6 15 816 10 11 0 7 16 817 10 10 0 6 17 819 10 10 0 6 18 820 10 09 0 7 19 818 10 05 0 6 20 817 10 01 0 6 21 815 10 10 0 7 22 812 10 15 0 7 23 818 10 11...

Страница 43: ...p with or the parameters that were saved on the last Save Config command 2 31 4 7 Save Config Saves the configuration file Writes saves the current configuration to file in the non volatile memory flash disk File menu 1 Redisplay last 2 Storage status 3 Dump data file 4 List data file 5 Erase ALL data 6 Read Config 7 Save Config 0 Back to Main Read Config from file 4 File menu File menu 1 Redispla...

Страница 44: ...out Provides general information about the SMT 200 Version shows the software revision of the code SN gives the serial number of the unit Compiled at gives the date and time of when the software was compiled 6 About SENSOR SMT 200 GEOPHONE TESTER Version 2 00 SN SMT200 2001 Compiled at 04 02 00 02 00 ...

Страница 45: ...Io SENSOR 3 Docking Station PC Software Operations SMT 200 Operations and Technical Manual 2 00 R1 35 Section 3 Docking Station PC Software Operations ...

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Страница 47: ...rconnection NOTE Early DS versions had two additional connectors Charging connector for spare battery Geophone Terminals Leakage Probe Terminals Front View Fuse On Off Switch Voltage Selector 110 220 V PC RS232 Connector Mains Connector Ext Smartec Connector SMT200 Connector Rear View 220V or 110V Supply 2x Geophone Test Leakage Probe Ext Smartec Probe NOTE Switching between 110V 230V must be done...

Страница 48: ... a trickle charge indefinitely A fully discharged battery will take approx 3 to 4 hours to recharge If the battery is attached to the SMT 200 and the SMT 200 is in use this time will increase This is simply because part of the available charging current is being used to drive the SMT 200 electronics NOTE Geophone testing is not recommended while connected to the docking station Once charged the ba...

Страница 49: ...MT 200 software upgrades 3 4 Software installation The program can be run under Windows 3 xx Windows 95 97 or DOS 5 0 or higher The program will not function when run with Windows NT 3 5 Windows installation This is the preferred installation method example shown is for a Windows 95 installation 1 Insert the Disk into drive A 2 In Windows choose Run from the Start or file menu type a setup and cli...

Страница 50: ...e the following procedure 1 Select the Un Install from Windows SMT200 menu option This will remove all the SMT 200 Docking Station software components apart form the DATA directory and file transfer history files 3 6 DOS installation 1 Insert the Disk into drive A 2 Type A Return 3 Type INSTALL Return 4 Follow the instructions on the screen The prompts will be similar to the windows installation 3...

Страница 51: ...ows the display will switch to text or test box mode The mouse should be able to access the SMT 200DS options in DOS if the mouse driver is loaded and Windows 95 F1 Access help on selected item Alt X Terminate the program Tab Move the next field F10 Activate menu at top of screen The Function keys and the ALT give you a keyboard shortcut to menu items Select functions by using F10 together with th...

Страница 52: ...used or selected 3 7 3 SMT 200 menu The SMT 200 menu gives you option to change various test and SMT 200 parameters The individual menu items are a duplicate of SMT 200 menu items and are covered in detail in Section 2 Com settings allow you to adjust the baud rate for data transfer over the com port This is only used if you want to dump data to a serial device such as a serial printer at a differ...

Страница 53: ...ransfer the file is saved on the PC s disk as TEMP PRN If a file with that name exists it is deleted before transfer starts When the exchange is successful and TEMP PRN has been written the program prompts the user to Save DATA as In fact the file has already been saved and this prompt is to rename the data file to give it a proper name The naming convention is DATAxxxx PRN where xxxx is a value b...

Страница 54: ... Transfers A failing transfer can have several causes Incorrect COM port selection try another COM port i e select COM 1 or COM 2 The SMT 200 to Docking Station cable is not connected properly Docking Station s power is off the SMT 200 will be switched on however but the communications circuit needs power PC is not ready i e other processor tasks are taking too long causing time out errors Prefera...

Страница 55: ...nsfer in the file Transfer section In addition check that the version you are trying to upload is a later date than the one current in the SMT 200 If it s older it won t be transferred 3 10 The SMT 200 Geophone Specifications File The file SPC TXT is used by the SMT200 It can be changed so that it contains your own choice of geophones This can be done using the geophone specifications editor built...

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Страница 57: ...Io SENSOR Section 4 RF ID Tag Reader SMT 200 Operations and Technical Manual 2 00 R1 47 Section 4 RFID Tag Reader ...

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Страница 59: ...e tag pull the trigger and it reads the string number and automatically starts testing Fast and error free 4 2 Principles of the RFID Tag reader The tag reader consists of a low power radio transmitter and receiver together with a microprocessor for interpreting and conditioning the signals The tag consists of an integrated circuit IC containing a unique number and a wire antenna Both are encapsul...

Страница 60: ... this menu you will see two items Read tags and Tag list Enter the Read tags item to make a cross link table In this menu you can read tags and assign or change the string number Point the tag reader antenna at the tag and pull the trigger The tag reader beeps when the tag number is acquired Once read the tag ID is displayed under the text Tag If it s the first time this tag has been read the text...

Страница 61: ...orresponding string number is displayed and the geophone test is started For security and quality control reasons it is not possible to change the string number from this menu However should a new tag be read a string number must be allocated to it A screen just like the read tags screen as described earlier pops up and the default number can be accepted or another string number allocated Confirm ...

Страница 62: ...Tests Sensor SM4 6 2 1000 11 12 0 7 0 1 ABC Tested Res Freq Damp Sens Dist Imp RC Reject Temp Time Tag Number Min 777 9 50 0 652 119 4 0 00 Nom 818 10 00 0 686 125 7 2143 20 0 Max 859 10 50 0 721 132 0 0 20 Num ohm Hz V m s ohm øC 1 793 9 90 0 706 167 2 0 19 2097 23 Test OK 21 6 12 37 06 2 854 10 52 0 662 166 9 0 10 2260 23 Test OK 21 6 12 37 21 3 842 9 80 0 667 161 7 0 08 2227 23 Test OK 21 6 12 ...

Страница 63: ...en you upload this file from the PC to the SMT 200 it is automatically sorted See the paragraph download tag list and upload tag list for more information 4 4 1 Download the tag list to the PC Each file transfer the unsorted part of the tag list is downloaded to the PC Select in the Docking Station program the menu item SMT 200 File Transfer for a file transfer The tag list is stored under the nam...

Страница 64: ...press the button Open the Docking Station then starts sorting the file This may take some time when a large file is selected A busy message is displayed You can quit by pressing Esc After the conversion is finished a report is displayed where error messages are displayed Normally there will be no messages The tags displayed in the conversion report are removed from the converted list ...

Страница 65: ...ssing the down arrow In the top line of the screen sorted or unsorted list is displayed With the left and right arrow you can step between the start of the sorted and unsorted list and to the end of the list When you type a number the SMT 200 searches in the sorted list for the first tag that is equal or greater You can remove the last digit with the left arrow Leave this option by pressing the ri...

Страница 66: ...txt Click on the Open button or press Enter This will select the correct subdirectory and the files with the right extension are displayed Select the required file for viewing by clicking on it with the mouse Click on the Open button or press Enter The tag list will be displayed 1000001779850 872 1000001779999 583 1000001802291 103 1000001802292 804 The left hand column contains the tag ID and the...

Страница 67: ...d rate must be set to 9600 baud 4 5 2 Autonumber When the Autonumber option is ON and you are testing a new tag the SMT 200 assigns a string number and starts testing immediately If you want to enter in the string number manually the Autonumber setting should be set to OFF 4 5 3 Tag menu visible In the menu SMT 200 Operating there is a checkbox Tag menu under the System label Use this option to en...

Страница 68: ...rmat so it can easily be opened by a spreadsheet program or text editor From the Docking Station program you can select an ASCII file to upload to the SMT 200 This file is converted to binary format sorted and checked on errors double or too high tag ID s before it will be uploaded The sorted cleaned list is stored under the name TagSo txt in the SMT200 directory With a Down Upload the unsorted ta...

Страница 69: ...Io SENSOR Section 5 Geophone Testing SMT 200 Operations and Technical Manual 2 00 R1 59 Section 5 Geophone Testing ...

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Страница 71: ...ired element 7 Type 0 to return to the Setup menu 8 Select String menu 1 to set your string characteristics For a 6 x 2 series parallel string with 1000 Ω damping resistor 5m geophone interval and a 2 5 m lead in the SMT 200 would be setup as shown The Interval Lead in and Rcab must be specified The geophone resistance test compensates for the additional resistance of the cable If these three entr...

Страница 72: ... 0 to go back to the Main menu 16 Select 3 to go to the Temp menu The setup shown here will work ok for most circumstances If there is no geophone connector attached selecting 4 will result in a message warning that no Smartec sensor was found 17 Select 0 to return to the Main menu Operating menu 1 Autonumber ON 2 Save Rej s YES 3 Full Test 4 Cont on reject 5 Constant Exc 6 T Corr on Data 7 Contin...

Страница 73: ...200 on 2 Select Do a Test 1 This screen gives you a quick check that the parameters entered are correct before continuing 3 Press ENTER START to clear the Information screen and start the first test This is the result of the test that has just been run The actual display will depend on tests selected in the test sequence menu 4 If the test failed it can be re run by pressing the key 5 If the test ...

Страница 74: ...n below 12 Should the transfer fail at stage 8 the best recovery action is to WAIT The SMT 200 and the Docking Station will detect the failure and time out From this point the SMT 200 will turn itself off Failure to do this may result in corrupted data or worse Starting at 1997 04 17 12 36 21NoNA SMT 200 Geophone Tester Version 2 00 Serial nr 2041 Spec Ser Par Shunt Mass Fdist VelDist Excur DataCo...

Страница 75: ...K Continuous Impedance at Res Freq test 5 3 2 Data File Reject codes Code Description 0 Reset 1 Resistance High 2 Resistance Low 3 Frequency High 4 Freq far High 5 Frequency Low 6 Damping High 7 Gain High 8 Damping Low 9 Gain Low 10 Sensitivity High 11 Sensitivity Low 12 Distortion High 13 Dist far High 14 Noise High 15 Freq Tilt High 16 Freq Tilt Low 17 Dist Tilt High 18 Short Circuit 19 Open Cir...

Страница 76: ... run The bar range will specify how sensitive the scale is and this can be set in the Limits menu 2 5 5 Invert all the geophones except for the first geophone in the string The geophones are inverted to prevent movement of the coil The bottom spring of a vertical phone is stronger than the top one to counteract the effect of gravity By inverting the element or placing it on it s side the bottom sp...

Страница 77: ...ings Series parallel strings are a little more difficult as the good branches tend to mask the bad one In this case isolate the branch by laying down all the phones within a branch to locate the bad branch From there once the suspect branch has been isolated proceed as above TIP When running the continuous impedance for fault finding use the key instead of the ENTER START Using the ENTER START key...

Страница 78: ...ad in is correctly set Distortion Failures Check the noise level is not excessive Troubleshooting procedure is the same as for continuous impedance Check all geophones are securely planted and are planted upright A common cause for distortion failures is the coil impacting the case end plate if there is an excessive tilt on the phones The manufacturers specification sheet will state the maximum an...

Страница 79: ...lation Table From the above it will hopefully become clear that external noise and vibration can seriously effect the test results To minimise the effect of external noise an isolation table can be constructed The geophones can then be placed on this for testing An example of a simple isolation table is shown below Test results No 1 Temp 20 0 C Pol 1 Leak 1401 Mohm Res 382 ohm Freq 9 91 Hz Damp 0 ...

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Страница 81: ...Io SENSOR Section 6 SMT 200 Technical SMT 200 Operations and Technical Manual 2 00 R1 71 Section 6 SMT 200 Technical ...

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Страница 83: ...The PC 104 board is highly integrated and repairs to the card are not advised If the card is in doubt the entire SMT 200 should be returned to the nearest I O SENSOR service location for repair PC 104 Board Features 8088 Compatible CPU running at 9 8 MHz 1Mb DRAM 3 DMA channels 8237 equivalent 8 Interrupt channels 8259 equivalent 3 programmable counters timers 8254 equivalent PC compatible keyboar...

Страница 84: ... SA12 B19 REFRESH A20 SA11 B20 CLK A21 SA10 B21 IRQ7 A22 SA9 B22 IRQ6 A23 SA8 B23 IRQ5 A24 SA7 B24 IRQ4 A25 SA6 B25 IRQ3 A26 SA5 B26 DACK2 A27 SA4 B27 T C A28 SA3 B28 BALE A29 SA2 B29 5V A30 SA1 B30 OSC A31 SA0 B31 GND A32 GND B32 GND PC 104 Bus Connector PC 104 Board Not used in SMT 200 Not used in SMT 200 Byte Wide S0 Component Side Pin Name 1 DCD 2 DSR 3 RXD 4 RTS 5 TXD 6 CTS 7 DTR 8 RI 9 GND 1...

Страница 85: ...has the keypad and LCD display drivers and also the power supply circuit 23V Supply 15V Supply 5V Supply Power Monitor Sh 1 P C 1 0 4 B U S PC 104 Speaker Connector Sh 1 Address Decoder AEN IOR IOW LCD Display Keyboard Sh 1 Output Port Input Port Sh 5 Address Generator Sh 2 A to D Converter Sh 5 Driver Sh 6 Geophone Circuit Sh 5 Selector Sh 1 Temp Sensor 12V On Off Sh 1 ADDRESS BUS DATA BUFFER LAT...

Страница 86: ... 23 v which is then fed to a variable gain amplifier The gain is set to less than unity and can be adjusted via O12 to O15 of the PPI The battery voltage is continually monitored by a voltage detector U21 The output pin 4 of this device is an open collector transistor which will turn on when the voltage on the threshold pin 3 drops below 1 15 V With the values of R37 and R38 selected the signal LO...

Страница 87: ...gital to analogue converter DAC is formed around a lookup table stored in the EPROM U12 This contains the digital values for a low distortion sine wave The clock for each sample starts at the PC speaker The PC speaker frequency can be altered by the software The output that would normally be fed to the speaker is firstly buffered by Q2 and sent to an address generator U10 and a selector U15 The ad...

Страница 88: ...grammable amplifier is fed to a selector U18 This device has two 4 to 1 encoders whose outputs are selected by the code on the A0 pin 16 and A1 pin 1 The control signal for these originate on O6 and O7 of the PPI A1 A0 1 4 5 8 0 0 Geophone Not used 0 1 Leakage x 100 or Battery monitor option 1 0 Leakage x 1000 1 1 Leakage x 10000 In the case of geophone data the data passes straight through the se...

Страница 89: ... by A0 which is connected to the BYTE input PB1 of the PPI can be used to switch the analogue circuit within the chip of to conserve power when not in use 6 13 SMT 200 Interconnection Note The power connector J5 on the PC 104 board is not used Power for the this board is derived from the 5 V regulator on the main board and fed to the PC 104 via JP3 Bendix Connector JP6 JP2 JP1 JP3 SMT 200 main Boa...

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Страница 91: ...Io SENSOR Section 7 Docking Station Technical SMT 200 Operations and Technical Manual 2 00 R1 81 Section 7 Docking Station Technical ...

Страница 92: ...Section 7 Docking Station Technical Io SENSOR 82 SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 93: ...ram The docking station has two major functions PC Interface Battery Charging Battery Charger 1 Battery Charger 2 VCC SMT 200 CONNECTOR TEMPERATURE PROBE CONNECTOR PC RS232 CONNECTOR EXTERNAL BATTERY CONNECTOR 110 VAC or 220 VAC GEOPHONE CONNECTOR 25 V DC RS232 13 8 V 5 V Regulator Transformer Bridge Rectifier LEAKAGE CONNECTOR ...

Страница 94: ... time the LED will ap pear orange in colour The two charging circuits are similar Battery charger 1 has some additional circuitry that compensates for the extra current the SMT 200 draws when connected to the charger Looking at Charging Circuit 2 when the battery is first connected it starts to charge by the current flowing through R23 If the battery is shorted this will limit the current to a saf...

Страница 95: ... Section 7 Docking Station Technical SMT 200 Operations and Technical Manual 2 00 R1 85 circuit switches from State 3 to State 4 from 10 to 50 This allows for the extra current drawn by the SMT 200 when it s on ...

Страница 96: ...Section 7 Docking Station Technical Io SENSOR 86 SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 97: ...Io SENSOR Appendix A Connector Pinouts SMT 200 Operations and Technical Manual 2 00 R1 87 Appendix A Connector Pin outs ...

Страница 98: ...Appendix A Connector Pinouts Io SENSOR 88 SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 99: ...Smartec GND K ON OFF L DCD M DSR N RXD P RTS R TXD S CTS T DTR U RI V SG A 2 Docking Station SMT 200 Connector PIN NAME 1 Charger V 2 Charger V 3 Shield 4 Geophone 5 Geophone Leak 6 Smartec EXT 7 Smartec GND 8 Shield 9 DSR 10 nc 11 CTS 12 RI 13 Charger V 14 Charger V 15 nc 16 Geophone 17 Geophone Shield 18 Smartec V 19 ON OFF 20 DCD 21 RXD 22 TXD 23 DTR 24 SG viewed into the male connector 24 13 1...

Страница 100: ... R1 A 3 Docking Station External Smartec Connector PIN NAME 1 nc 2 Smartec EXT 3 Smartec V 4 Smartec GND 5 nc 6 nc view from rear of Docking Station A 4 Docking Station PC Connector PIN NAME 1 DCD 2 RXD 3 TXD 4 DTR 5 SG 6 DSR 7 RTS 8 CTS 9 RI view from rear of Docking Station 6 1 5 1 9 6 ...

Страница 101: ...d This plugs into the rear of the Docking Station via the RJ 11 connector The Smartec temperature sensor is there to measure the string temperature For the Smartec to correctly measure the string temperature there should not be a large temperature differential between the SMT 200 and the string being tested In cases where there is a large difference such as testing inside a building when the strin...

Страница 102: ...rey D 16 Geo 10 Pink E 5 Geo LK 11 Yellow F 17 Geo SHL 12 Green G 6 Smartec EXT 13 White Yellow H 18 Smartec V 14 White Red J 7 Smartec GND 15 White Black K 19 ON OFF 16 Red Blue 8 3 Shield Case 17 Shield L 20 DCD 18 Grey Green M 9 DSR 19 Grey Pink N 21 RXD 20 Brown Blue P 10 RTS 21 Brown Yellow R 22 TXD 22 Brown Red S 11 CTS 23 Brown Pink T 23 DTR 24 Brown Green U 12 RI 25 Brown Black V 24 SG 26 ...

Страница 103: ...Io SENSOR Appendix B Test Overview SMT 200 Operations and Technical Manual 2 00 R1 93 Appendix B Test Overview ...

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Страница 105: ...dea that conductors breaking magnetic flux lines producing a current can be applied in reverse The SMT 200 can apply current to a phone under test which will physically move the coil This movement will indirectly produce a voltage we can measure The following is a description of the tests that the SMT 200 can perform and why each is necessary B 2 Polarity Test It is very important that all strings...

Страница 106: ...is know as induction and is the principle transformers use Normally this is caused by running tests under or over high voltage power lines If there is no obvious reason for tests failing suspect induced noise possibly from underground power lines TEST PRINCIPLE The SMT 200 monitors the output of the geophone for 800 samples over 96 ms the average level of noise is then computed The lower the noise...

Страница 107: ...lth of information about a geophone From this test we can determine three parameters Natural Frequency Fn Damping Bo or Bt and Sensitivity Go Fig 4 shows the geophone response in the time domain to an impulse The oscillations will reduce to zero The rate at which this will happen is determined by the damping The time to the first zero crossing is dependant on the natural frequency of the phone Tim...

Страница 108: ...pends on the load the geophone is driving Shunt resistors have an effect on the sensitivity of the geophone and so does the recording systems input stages The seismic detector response curves shown in the Sensor geophone specification sheets show the open circuit OC damping sensitivity curve at the top and the damping curve with various values of shunt resistors underneath See figure below Geophon...

Страница 109: ...ass approaches the limit of its travel it will start to encounter non linearities in the magnetic field around the poles of the magnet hence the output will appear distorted TEST PRINCIPLE The accepted way to measure distortion is to feed a low distortion signal into the unit under test and to measure the output voltage Distortion will appear as harmonics of the signal fed into the unit under test...

Страница 110: ... 0 236 mm which is the same value as would have been produced driving the moving mass at 12 Hz with a 0 7 in s drive Thereby giving consistent results regardless of the distortion test frequency B 9 Continuous Impedance Continuous impedance is somewhat like a resistance test but instead of a DC current an AC current at the geophones natural frequency is fed to the coil continually while the phone ...

Страница 111: ...ve figure by the number of geophones in the string Rs n Rt Example Rs 6 273 1638 Ω Rs String Resistance Rt 273Ω N Number of geophones n 6 3 String resistance in this case is 1638 Ω B 11 2 Series Parallel String First find the resistance of one parallel branch For example if the string was configured as a 6 x 3 string this would mean there are 6 series geophones and 3 parallel branches The formulas...

Страница 112: ...Recalculating with this value the damping for this element turns out to be 0 69 B 13 Temperature Compensation Temperature compensation that is done either on the specs themselves or the recorded data will be calculated as follows 004 0 Tspec t Rs Rs Rt Rt Resistance at temperature t Rs Resistance at 20 ºC 002 0 Tspec t Bs Bs Bt Bs Damping at 20 ºC Bt Damping at temperature t Gt Gs Gt Sensitivity a...

Страница 113: ...Io SENSOR Appendix C Parts List SMT 200 Operations and Technical Manual 2 00 R1 103 Appendix C Parts List ...

Страница 114: ...Appendix C Parts List Io SENSOR 104 SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 115: ...200Ω SMT 200 T 0014 R24 20k SMT 200 T 0015 R47 22k SMT 200 T 0016 R59 270Ω SMT 200 T 0017 R13 270k SMT 200 T 0018 R39 2k0Ω SMT 200 T 0019 R37 300k SMT 200 T 0020 R20 324k SMT 200 T 0021 R2 R14 33Ω SMT 200 T 0022 R45 33k SMT 200 T 0023 R38 36k SMT 200 T 0024 R12 3M48 SMT 200 T 0025 R25 40k2 SMT 200 T 0026 R17 499Ω SMT 200 T 0027 R30 499Ω 1 Ref SMT 200 T 0028 R1 R8 R9 R31 R32 R33 R34 R49 R50 R52 R53...

Страница 116: ...200 T 0052 C29 470p SMT 200 T 0053 C4 C7 C16 47nF SMT 200 T 0054 C11 56nF SMT 200 T 0055 Semiconductors Reference Part Part Number D3 D4 D5 D6 D7 D8 D12 D13 1N4006 SMT 200 T 0056 D1 D2 D10 1N4148 SMT 200 T 0057 U12 27C1024 PLCC44 SMT 200 T 0058 U9 74C922 SMT 200 T 0059 U15 74HCT153 SMT 200 T 0060 U10 74HCT4040 SMT 200 T 0061 U5 82C55 PLCC44 SMT 200 T 0062 U7 AD7111 SMT 200 T 0063 U6 ADS7807P SMT 2...

Страница 117: ...embly I Fabory 3FB30 St zinc plated yell pasified SMT 200 T 0099 L3 L4 Filter DSS310 55Y5S 223S50 SMT 200 T 0100 JP1a Geo Smart Start connector 26 PIN MALE SMT 200 T 0101 JP3a HEADER 34 X 2 PINS for PC104 SMT 200 T 0102 JP4a Header single row haaks 13pin for keypad beeper SMT 200 T 0103 A8200102 Beeper wiring Header socket 2 way SMT 200 T 0104 A8200121 Case top assembly I Isolatie tape SMT 200 T 0...

Страница 118: ... A8200149 Case bottom complete SMT 200 Battery lock spring SMT 200 T 0143 A8200141 Case bottom assembly I SMT 200 Case bottom Composite SMT 200 T 0144 A8200121 Case top assembly I SMT 200 Case seal SMT 200 T 0145 A8200121 Case top assembly I SMT 200 Case top Composite SMT 200 T 0146 A8200114 PCB support assemblies SMT 200 Distance post I SMT 200 T 0147 A8200114 PCB support assemblies SMT 200 Dista...

Страница 119: ...MT 200 Female slide plate contact SMT 200 B 0205 A8200211 Bottom assembly SMT 200 Battery pack slide retainer plate SMT 200 B 0206 A8200201 Wires M3 solder lug SMT 200 B 0207 A8200201 Wires Red wire SMT 200 B 0208 A8200201 Wires Black wire SMT 200 B 0209 A8200211 Bottom assembly M2 5 Nut SMT 200 B 0210 A8200211 Bottom assembly M3 x 12 Phillips cross recessed counter sunk screw SMT 200 B 0211 A8200...

Страница 120: ...S 0314 R9 R25 52k3 SMT 200 DS 0315 R17 R37 82Ω5 SMT 200 DS 0316 Capacitors Reference Part Part Number C23 C24 100nF SMT 200 DS 0317 C3 100uF 25V SMT 200 DS 0318 C1 100uF 40V SMT 200 DS 0319 C18 C21 15nF SMT 200 DS 0320 C17 C20 1nF SMT 200 DS 0321 C22 1uF SMT 200 DS 0322 C12 220nF SMT 200 DS 0323 C2 4700uF 40V SMT 200 DS 0324 C16 470uF 25V SMT 200 DS 0325 C19 47uF 25V SMT 200 DS 0326 Semiconductors...

Страница 121: ...DS 0357 J1 securing lock washer M3 Lock washer SMT 200 DS 0358 A8200321 Case assembly I M3 Self lock nut SMT 200 DS 0359 A8200301 Mains wiring M3 solder lug SMT 200 DS 0360 A8200312 Chassis assembly II M3 Washer SMT 200 DS 0361 A8200321 Case assembly I M3 Washer SMT 200 DS 0362 A8200321 Case assembly I M3 x 12 Phillips cross recessed count sunk screw SMT 200 DS 0363 A8200312 Chassis assembly II M3...

Страница 122: ...0 A8200301 Mains wiring Wire White SMT 200 DS 0401 C 4 SMT 200 Accessories and Cables Miscellaneous Reference Part Part Number Mains Cable Euro Mains Cable Euro SMT 200 C 0500 Mains Cable North American Mains Cable North American SMT 200 C 0501 Mains Cable UK Mains Cable UK SMT 200 C 0502 Serial cable 9 pin RS232 cable 9 pin male female 1 8 m SMT 200 C 0503 Serial cable adapter 9 to 25 pin RS232 a...

Страница 123: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 113 Appendix D Schematics Layouts ...

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Страница 125: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 115 D 1 SMT 200 Schematics D 1 1 SMT 200 Geophone Tester ...

Страница 126: ...Appendix D Schematics Layouts Io SENSOR 116 SMT 200 Operations and Technical Manual 2 00 R1 D 1 2 SMT 200 ADC ...

Страница 127: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 117 D 1 3 SMT 200 Filter ...

Страница 128: ...Appendix D Schematics Layouts Io SENSOR 118 SMT 200 Operations and Technical Manual 2 00 R1 D 1 4 SMT 200 Keyboard ...

Страница 129: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 119 D 1 5 SMT 200 DAC ...

Страница 130: ...Appendix D Schematics Layouts Io SENSOR 120 SMT 200 Operations and Technical Manual 2 00 R1 D 1 6 SMT 200 Geophone Circuit ...

Страница 131: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 121 D 1 7 SMT 200 Power ...

Страница 132: ...Appendix D Schematics Layouts Io SENSOR 122 SMT 200 Operations and Technical Manual 2 00 R1 D 1 8 SMT 200 Display ...

Страница 133: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 123 D 2 SMT 200 Component Layout SMT 200 7 01 98 ...

Страница 134: ...Appendix D Schematics Layouts Io SENSOR 124 SMT 200 Operations and Technical Manual 2 00 R1 D 3 SMT 200 Docking Station Schematics D 3 1 SMT 200 Docking Station Charger ...

Страница 135: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 125 D 3 2 UC3906 B1 ...

Страница 136: ...Appendix D Schematics Layouts Io SENSOR 126 SMT 200 Operations and Technical Manual 2 00 R1 D 3 3 UC3906 B2 ...

Страница 137: ...Io SENSOR Appendix D Schematics Layouts SMT 200 Operations and Technical Manual 2 00 R1 127 D 4 SMT 200 Component Layout SMT 200 7 CHARGER 01 98 ...

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Страница 139: ...Io SENSOR Appendix E Quick Reference SMT 200 Operations and Technical Manual 2 00 R1 129 Appendix E Quick Reference ...

Страница 140: ...Appendix E Quick Reference Io SENSOR 130 SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 141: ... point test Battery 2 9 6 4 Diagnostics Display selects display tests Display 2 9 5 Diagnostics Display contrast range test Contrast 2 9 5 4 Diagnostics Display pixel test Pixels 2 9 5 2 Diagnostics Gain range offset test AC AC Gain range 2 9 7 3 Diagnostics Gain range offset test DC DC Gain range 2 9 7 4 Diagnostics Hardware tests Hardware 2 9 6 Diagnostics Keypad button test Keys 2 9 5 1 Diagnos...

Страница 142: ...tric units 2 6 6 Noise test reject limit Enter Value Noise 2 5 2 Operating menu Operating menu 2 3 Polarity test tap sensitivity Enter Value Pol_Sens 2 5 6 Power menu Power menu 2 7 Power savings enable ON off Saving 2 7 1 Power SMT 200 Tester On Power Tester On Enter Start Redisplay last test results Redisplay last 4 1 Repeat geophone Test Repeat Test Return to the main Menu Back to main or 0 Sav...

Страница 143: ...ff Fn Bo Go 2 4 6 Test Leakage ON off Leakage 2 4 4 Test Leakage reject limit Enter Value Leak 2 5 3 Test Low Drive ON off Low Drive 2 4 1 Test Low_Drive excitation level Enter Value Low_Drive 2 5 1 Test Maximum number of test in Cont mode Enter Value Max_Test 2 5 4 Test Noise ON off Noise 2 4 3 Test Noise reject limit Enter Value Noise 2 5 2 Test Polarity ON off Polarity On off 2 4 2 Test Polarit...

Страница 144: ...Appendix E Quick Reference Io SENSOR 134 SMT 200 Operations and Technical Manual 2 00 R1 Page intentionally left blank ...

Страница 145: ...Io SENSOR Appendix F Addendum SMT 200 Operations and Technical Manual 2 00 R1 135 Appendix F Addendum ...

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Страница 147: ...Io SENSOR Appendix F Addendum SMT 200 Operations and Technical Manual 2 00 R1 137 F 1 Addendum ...

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Страница 149: ...Damping 4 19 Data Download 42 Data Exchange 43 Data file name 42 Data transfer sequence 43 Date Time 20 25 DC Gain 28 DC DC 28 Delete 21 22 Diagnostics 20 26 Direct control 10 Display 25 27 Display menu 20 24 Distortion 19 Distortion Failures 68 Distortion Impedance 24 Do a test 19 Docking Station interconnection 37 Docking Station overview 37 DOS installation 40 DOS un install 40 Down Upload 55 5...

Страница 150: ... 20 25 Power On Self Tests 9 Print 42 R R Cab 20 Read Config 33 Read Configuration 30 Read tags 50 Redisplay Last 30 Reference Geophone Temperature 29 Reject codes 65 Relay 27 Repeat Test 19 Reset all 26 Resistance 19 24 Resistance Failures 68 Retrieve configuration 42 RFID Tag reader 49 S Save Config 33 Save Configuration 30 Save Rejects 23 Savings 25 Select 21 Select menu 22 Sensitivity 4 19 Ser...

Страница 151: ...mperature High 10 26 Temperature Low 10 26 Test codes 65 Test number 20 Test Sequence 20 Test Storage 5 Testing strings 51 63 Tests 28 Tests Sequence 24 Timed Out 26 Transfer data file 52 Troubleshooting 66 U Use Shunt 20 V Velocity 23 View 42 View File 52 View tag list on PC 55 View tag list on SMT 200 55 Voltage selection 6 W Windows installation 39 Windows un install 40 ...

Страница 152: ...Notes Io SENSOR 142 SMT 200 Operations and Technical Manual 2 00 R1 Notes ...

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