Geokon 6150F Скачать руководство пользователя страница 32

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GEOKON
48 Spencer Street
Lebanon, New Hampshire
03766, USA

Phone: +1 (603) 448-1562
Email: [email protected]
Website: www.geokon.com

GEOKON
is an

ISO 9001:2015

registered company

Содержание 6150F

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Страница 3: ...ON is not responsible for any damages or losses caused to other equipment whether direct indirect incidental special or consequential which the purchaser may experience as a result of the instal lation or use of the product The buyer s sole remedy for any breach of this agreement by GEOKON or any breach of any warranty by GEOKON shall not exceed the purchase price paid by the purchaser to GEOKON f...

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Страница 5: ...OL 8 3 1 INTRODUCTION TO MODBUS 8 3 2 MODBUS RTU OVERVIEW 8 3 3 MODBUS TABLES 8 4 DATA REDUCTION 11 4 1 INCLINATION CALCULATION 11 4 2 DEFLECTION CALCULATION 11 4 3 TEMPERATURE CORRECTION 12 4 4 ENVIRONMENTAL FACTORS 12 5 TROUBLESHOOTING 13 APPENDIX A SPECIFICATIONS 15 A 1 PARTS LIST 15 APPENDIX B SAMPLE CALIBRATION SHEETS 16 APPENDIX C MODBUS ADDRESSABLE SYSTEM 18 C 1 MODBUS COMMUNICATIONS PARAME...

Страница 6: ...CONNECTION DETAIL 5 FIGURE 11 SUSPENSION VIA CABLE 5 FIGURE 12 SUSPENSION VIA TUBE 5 FIGURE 13 MODEL 8020 38 TTL USB TO RS 485 CONVERTER 6 FIGURE 14 WIRING OF DATALOGGER WITHOUT BUILT IN RS 485 CONVERSION 6 FIGURE 15 WIRING OF DATALOGGER WITH RS 485 CONVERSION 6 FIGURE 16 MALE WATERPROOF CONNECTOR 7 FIGURE 17 FEMALE WATERPROOF CONNECTOR 7 FIGURE 18 DEFLECTION INTERVALS 11 FIGURE 19 SAMPLE MODEL 61...

Страница 7: ...TS 9 TABLE 3 DEVICE CONTROL ADDRESSES 9 TABLE 4 NON VOLATILE MEMORY 9 TABLE 5 PREPROGRAMMED DEVICE INFORMATION 10 TABLE 6 MODEL 6150F INCLINOMETER SPECIFICATIONS 15 TABLE 7 MODEL 6150F INCLINOMETER PARTS LIST 15 TABLE 8 MODBUS COMMUNICATIONS PARAMETERS 18 TABLE 9 ERROR CODES 18 ...

Страница 8: ...1 EQUATIONS EQUATION 1 CORRECTED INCLINATION ANGLE 11 EQUATION 2 CHANGE IN INCLINATION 11 EQUATION 3 LATERAL DISPLACEMENT 11 EQUATION 4 OFFSET CALCULATION 11 EQUATION 5 DEFLECTION CALCULATION 12 ...

Страница 9: ...chanical Systems MEMS devices inside a sealed stainless steel housing The devices measure the A and B axes of the borehole Each sensor also contains a thermistor for reading temperatures The tilt sensors are connected to each other using four wire bus cable Each sensor has a length of this cable exiting both the top and bottom of the housing A male connector is attached to the cable exiting the to...

Страница 10: ...cted Cables 3 Once all sensors have been connected plug the end terminator into the female connector at the bottom sensor See the figure below FIGURE 4 End Terminator Model 6150F 2 4 Connect the completed string to a readout or datalogger 5 Hold the first sensor in a vertical position and observe the reading The tilt sensor must be held steady while taking the reading The observed reading should b...

Страница 11: ...e are installed in the connecting tubes at the factory and must be removed before attaching the tubing The string will ship with a few spare cap screws and nuts The shorter 3 8 cap screws are spares for the screws that attach the wheel assemblies Where the spacing of the sensors is too long for a continuous length of tubing connect two tubes together using the 6300 7 Tube Coupling see the figure b...

Страница 12: ...FIGURE 8 Connect the Safety Cable 2 2 3 SENSOR ORIENTATION All wheel assemblies should be oriented in the same direction when installed in the casing The wheel assemblies are attached at the factory so that the fixed wheel is facing the A direction of the sensor as shown in the figure to the left It is customary and recommended to point the A fixed wheel direction in the same direction as the anti...

Страница 13: ...correctly Push the male and female connectors together until they are completely mated FIGURE 10 Cable Connection Detail 5 Tape the signal cable to the tubing if desired The connectors may be taped together for additional security 6 Using the safety cable lower the bottom segment into the hole until the next sensor is at the top of the casing Make sure to orient the A direction of the sensor corre...

Страница 14: ...l 8020 38 Addressable Bus Converter for connecting addressable strings to personal computers readouts dataloggers and programmable logic controllers The converter acts as a bridge using the TTL or USB protocols between readers and the GEOKON RS 485 enabled sensor strings For more information please refer to the Model 8020 38 instruction manual FIGURE 13 Model 8020 38 RS 485 to TTL USB Converter No...

Страница 15: ...in male and female connectors are shown below the function of each wire is detailed in Table 1 below FIGURE 16 Male Waterproof Connector FIGURE 17 Female Waterproof Connector TABLE 1 Six Pin Wiring Chart Pin Wire Color Function 1 Red Power 2 Black Ground 3 White RS 485 Data High 4 Green RS 485 Data Low 5 Bare Shield Drain 6 N C N C ...

Страница 16: ...ecific device on the bus Labeled on the sensors as 1 2 3 etc 2 Function Code one byte The action to be carried out by the slave device 3 Data multi byte The payload of the function code being sent 4 Cyclic Redundancy Check or CRC two bytes A 16 bit data integrity check calculated over the other byes in the packet 3 3 MODBUS TABLES The most recent sensor readings are stored in memory registers read...

Страница 17: ...x10A 20 LSW Uncorrected B Axis degrees float 21 0x10B 22 MSW 23 0x10E 28 LSW Thermistor ADC N A uint16 29 0x117 46 Error Code N A uint16 47 Register Address Byte Word Parameter Units Type Access 0x118 48 Trigger N A uint16 RW 49 0x119 50 LSW Password N A uint32 51 0x11A 52 MSW 53 0x11B 54 Measure Cycle N A uint16 55 Register Address Byte Word Parameter Units Type Access 0x200 0 Drop Address N A ui...

Страница 18: ... Address Byte Word Parameter Units Type Access 0x20D 26 LSW A Offset degrees float RO 27 0x20E 28 MSW 29 0x20F 30 LSW B Offset degrees float 31 0x210 32 MSW 33 0x213 38 LSW A Gauge Factor degrees float 39 0x214 40 MSW 41 0x215 42 LSW B Gauge Factor degrees float 43 0x216 44 MSW 45 ...

Страница 19: ...values are tilts in the direction of the arrows A and B 4 2 DEFLECTION CALCULATION The lateral displacement D of the top of any segment relative to the vertical line running through the bottom of the segment is equal to D Lsinθ EQUATION 3 Lateral Displacement Where L The length of the segment θ Inclination angle of the sensor Equation 3 can also be expressed as D LsinG R Where G Gauge factor R Rea...

Страница 20: ...nsor temperature This enables temperature induced changes in inclination to be distinguished from inclination due to other sources The device provides a digital output proportional to the temperature Normally temperature corrections are not required An important point to note is that sudden changes in temperature will cause both the structure and the sensor to undergo transitory physical changes w...

Страница 21: ... difficulties arise consult the list of possible solutions shown below Refer to Appendix C for Modbus error codes Consult the factory for additional troubleshooting help SYMPTOM TILT SENSOR READINGS ARE UNSTABLE OR FAIL TO READ Is there a source of electrical noise nearby Most probable sources of electrical noise are motors generators and antennas Check all cable connections terminals and plugs Wa...

Страница 22: ...14 TROUBLESHOOTING GEOKON ...

Страница 23: ...sponse 3 dB 8 28 Hz Thermistor Accuracy 0 65 C Thermistor Precision 0 06 C Operating Temperature 40 to 80 C 40 to 176 F Power Supply Voltage 12 VDC 20 Operating Current4 26 mA 1 mA Standby Current 1 2 mA 0 1 mA Maximum Supply Current5 500 mA Housing Diameter 32 mm 1 250 Housing Length 240 mm 9 5 Weight of 0 5 m Segment6 1 3 kg 2 8 lb Materials 316 Stainless Steel Electrical Cable Four Conductor Fo...

Страница 24: ...16 SAMPLE CALIBRATION SHEETS GEOKON APPENDIX B SAMPLE CALIBRATION SHEETS FIGURE 19 Sample Model 6150F Calibration Sheet Sensor A ...

Страница 25: ...MODEL 6150F MEMS DIGITAL ADDRESSABLE IN PLACE INCLINOMETER SAMPLE CALIBRATION SHEETS 17 FIGURE 20 Sample Model 6150F Calibration Sheet Sensor B ...

Страница 26: ...lus error 8 appears as number 12 Port Setting Required Value Bits per Second 115 200 Data bits 8 Parity None Stop bits 1 Flow Control None Number Name Cause Remedy 2 Temperature Sensor Range Measured temperature out of range Thermistor may be too hot or too cold or it may be damaged Use adjacent sensors to validate or estimate temperature 4 Temperature Sensor Verify Secondary temperature sensor di...

Страница 27: ...0 baud rate SerialOpen Com1 115200 16 0 50 Read 3 sensors in MEMS String every 10 seconds Scan 10 Sec 0 0 Loop through addresses of connected String For Count 1 To 3 Reset temporary storage for both Degrees and Temp so not to retain previous reading A_Axis_Degrees Count 0 B_Axis_Degrees Count 0 Celsius Count 0 Flush Serial between readings SerialFlush Com1 Write to register to begin reading MEMS S...

Страница 28: ...e to register 0x118 to trigger string NOTE ModbusMaster won t send 0x118 unless H119 is entered ModbusMaster ErrorCode ComC1 115200 Count 6 1 H119 1 1 10 0 Delay after write register Delay 1 1 Sec Use Modbus command to retrieve A Axis and B Axis Degree Readings ModbusMaster ErrorCode ComC1 115200 Count 3 A_Axis_Degrees Count H101 1 1 10 0 ModbusMaster ErrorCode ComC1 115200 Count 3 B_Axis_Degrees ...

Страница 29: ... DC With a supply of less than nine volts the drops on the string may not behave as expected and with a supply of more than 15 volts the drops may become damaged due to excessive voltage Use the chart below to estimate the number of drops that can be supported for a given cable length and supply voltage assuming the correct voltage is supplied The drops must be spaced evenly along the string It is...

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Страница 32: ...GEOKON 48 Spencer Street Lebanon New Hampshire 03766 USA Phone 1 603 448 1562 Email info geokon com Website www geokon com GEOKON is an ISO 9001 2015 registered company ...

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