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2.5.10 Determining COM Port Numbers

When connecting an 8002-4-1 datalogger to a PC with an internal serial port(s) the COM

Port number that LogView requires is usually COM1 or COM2 but, occasionally may be

COM3 if the PC has more than one internal serial port. Figure 11 below illustrates that the

PC has two serial ports, one internal (COM1) and the other via a USB to serial converter

(COM13).

Figure 11 - PC Internal COM Port

When connecting an 8002-4-2 datalogger to a PC the COM Port number LogView requires

can be any number and depends on how many other devices are attached to the PC like,

internal serial ports and Bluetooth devices. Figure 12 below illustrates that the PC has three

serial ports, one internal (COM1) and the other two via USB to serial converters (COM13

and COM3). One way to determine which COM port an 8002-4-2 datalogger is attached to

is to disconnect the cable and see which COM device disappears from the Device Manager

Ports list.

Figure 12 - Device Manager Ports List

In this case, COM3 is actually the 8002-4-2 datalogger and not a universally available

serial port.

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Содержание 8002-4-1

Страница 1: ... without the written consent of Geokon Inc The information contained herein is believed to be accurate and reliable However Geokon Inc assumes no responsibility for errors omissions or misinterpretation The information herein is subject to change without notification Copyright 2007 2018 by Geokon Inc Doc Rev W 11 14 2018 ...

Страница 2: ......

Страница 3: ...re are no warranties except as stated herein There are no other warranties expressed or implied including but not limited to the implied warranties of merchantability and of fitness for a particular purpose Geokon Inc 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 t...

Страница 4: ...EFAULT SETTINGS 17 3 5 DF DISPLAY OR SET DATE FORMAT 18 3 6 DL DISPLAY CURRENT MODE 18 3 7 DNNNN DISPLAY ARRAYS FORWARD FROM USER POSITION 18 3 8 E LOW POWER SLEEP MODE 19 3 9 GNN C TT SZZZZZZ SFFFFFF SOOOOOO OR GNN C TT SAAAAAA SBBBBBB SCCCCCC GAGE SETTINGS 20 3 10 IDDDDDDDDDDDDDDDDD DISPLAY OR SET DATALOGGER ID 24 3 11 L DISPLAY LOG INTERVALS 24 3 12 LN LLLLL III DEFINE LENGTH AND ITERATION OF I...

Страница 5: ...NG WIRE MEASUREMENT 41 A 8 INTERNAL EXTERNAL TEMPERATURE MEASUREMENT 41 A 9 MAIN BATTERY MEASUREMENT 42 A 10 MULTIPLEXER RELAY 42 APPENDIX B CONNECTOR PINOUTS 43 B 1 TRANSDUCER CABLE CONNECTIONS 43 B 2 RS 232 CONNECTOR PINOUT 8002 4 1 43 B 3 USB CONNECTOR PINOUT 8002 4 2 44 B 4 RS 485 CONNECTOR PINOUT OPTIONAL 8002 4 3 44 APPENDIX C DATA FILE TRANSFER TO A WINDOWS PC 45 C 1 DOWNLOADING DATA USING ...

Страница 6: ...LY 57 FIGURE 27 BATTERY INSTALLATION DETAIL 58 TABLES TABLE 1 TRANSDUCER CABLE CONNECTIONS 3 TABLE 2 VIBRATING WIRE GAGE TYPES 22 TABLE 3 GAGE TYPE DESCRIPTIONS 23 TABLE 4 ENGINEERING UNITS MULTIPLICATION FACTORS 23 TABLE 5 LOGARITHMIC INTERVALS LIST 25 TABLE 6 S COMMAND INFORMATION 31 TABLE 7 SS COMMAND INFORMATION 31 TABLE 8 TEST MENU INFORMATION 34 TABLE 9 APPROXIMATE OPERATING TIMES 38 TABLE 1...

Страница 7: ...ny standard terminal emulator software such as Microsoft Windows HyperTerminal see Section 3 The communication method for each model of the LC 2x4 is described below 8002 4 1 Communication with the LC 2x4 is implemented via the host computer s RS 232 COM port See Section 2 5 6 for further information 8002 4 2 Communication with the LC 2x4 is implemented via the host computer s USB 2 0 port When co...

Страница 8: ...485 patch cord 2 1 Transducer Installation 2 1 1 Cable Gland Models 8002 4 1 8002 4 2 8002 4 3 1 Open the datalogger by unscrewing the four captive screws on the front of the enclosure Make sure that no dirt water or other contaminants are allowed to enter the enclosure 2 Loosen the nuts on the cable fittings and remove the white plastic dowels 3 Thread the transducer cables through the cable fitt...

Страница 9: ...ating Wire RED VW4 4 Vibrating Wire BLACK TH4 4 Thermistor WHITE TH4 4 Thermistor GREEN SHLD4 4 Analog Ground shield BARE WIRE Table 1 Transducer Cable Connections 5 Tighten the nuts on the cable fittings so that they securely grip the cables This must be done to ensure that water does not enter the enclosure Beware of overtightening which may damage the plastic threads 2 1 2 10 pin Bulkhead Model...

Страница 10: ...install the cover Ensure that the rubber gasket clean and properly seated in the groove on the underside of the cover Tighten the screws a little at a time working in a diagonal pattern Make sure the cover seals tightly and evenly 2 4 Earth Ground Installation The LC 2x4 provides lightning protection in the form of gas tube surge arrestors In order for these components to divert the energy from a ...

Страница 11: ... USB drivers are only required for LC 2x4 models 8002 4 2 and the 8002 5 RS 485 Interface Make sure that the two 1 5 volt D cell alkaline batteries are installed in the datalogger See Section 2 2 Battery Installation for instructions and that the LC 2x4 datalogger is not connected to the computer at this time 2 5 1 LogView Installation 1 Using Windows Explorer navigate to the extracted downloaded ...

Страница 12: ... used to navigate to a folder location or to create a new folder see Figure 3 This workspace location will be stored in the LogView configuration for subsequent application access Once workspaces are created future user access is always by name Figure 3 Select Workspace Folder If no other is specified a default folder path is displayed based on the system default workspace path combined with the n...

Страница 13: ...ION workspace brings up a context sensitive menu that allows the user to add projects to this workspace using the New Project menu selection Select a name that makes sense for the real world project this program will be used for In this example TestLoggers was chosen as the project name see Figure 5 below ...

Страница 14: ...s example MyLogger was chosen for the Datalogger name For a complete description of all datalogger settings please see the LogView Online Help section on Datalogger Settings For connection purposes the relevant tab in this dialog is Connection Options see Figure 7 After physically connecting to a PC all LC 2x4 dataloggers require a COM port to be identified in the Connection Options Starting with ...

Страница 15: ...9 Figure 6 LogView Context Menu Figure 7 Datalogger Settings Connection Options ...

Страница 16: ...ive cap on the datalogger USB connector is removed by pushing in and turning Plug the USB A end of the USB cable into an available USB 2 0 port on the host computer NOTE On certain PCs with operating systems older than XP Service Pack 3 the 8002 4 2 may require the installation of a driver to properly communicate with the PC If the PC does not recognize the datalogger s internal USB to serial conv...

Страница 17: ... Project Explorer Click on Continue to finish connecting to the datalogger 3 Click on the Upload Settings button on the LogView Toolbar to synchronize the datalogger with the LogView configuration see Figure 10 4 LogView is now connected and configured correctly for the LC 2x4 datalogger Sensors can now be added to the datalogger in a similar fashion as adding Dataloggers to Projects Sensor settin...

Страница 18: ...8002 4 2 datalogger to a PC the COM Port number LogView requires can be any number and depends on how many other devices are attached to the PC like internal serial ports and Bluetooth devices Figure 12 below illustrates that the PC has three serial ports one internal COM1 and the other two via USB to serial converters COM13 and COM3 One way to determine which COM port an 8002 4 2 datalogger is at...

Страница 19: ...wing steps to connect with the datalogger using a terminal emulator program such as Microsoft Windows HyperTerminal 1 Launch HyperTerminal Start All Programs Accessories Communications HyperTerminal If running under Vista or newer contact Geokon for Geokon s Terminal Window Software 2 Enter a name for the New Connection and click OK see Figure 13 Figure 13 HyperTerminal Connection Description 3 In...

Страница 20: ...econd 8 Data bits no Parity 1 Stop bit no Flow control 5 Click Apply then OK 6 Press ENTER ENTER to wake the datalogger from sleep The datalogger returns the power up prompt Hello Press for Help Note If no characters are received in 15 seconds the datalogger non networked will return to its low power sleep mode Press ENTER ENTER to wake it again Note When network commands are enabled and RS 485 is...

Страница 21: ... offset with sign For Polynomial P Conversion saaaaaa polynomial coefficient A with sign sbbbbbb polynomial coefficient B with sign scccccc polynomial coefficient C with sign IDdddddddddddddddd View current ID set to dddddddddddddddd Ln lllll iii View Log intervals change n interval lllll length iii iterations of interval LD LE Log intervals Disable Enable M MD ME Monitor status Disable Enable MXS...

Страница 22: ...2 display 12V Battery Voltage WFn Wrap Format 0 don t wrap memory 1 wrap memory X Single Reading NOT stored All of these commands are executed by typing with the correct syntax and pressing ENTER If the command has not been entered correctly the datalogger will respond with an asterisk only For example L7 100 255 The datalogger will respond to correctly entered commands by displaying the modified ...

Страница 23: ... hh the hours mm the minutes and ss the seconds Illegal combinations will be ignored e g CS02 30 07 or CS 12 60 Fields that are left blank will not be changed e g CS 07 to only change the year CS 10 45 00 Date 02 21 07 Time 10 45 00 Note If logging is currently started and the clock is changed a restart of the scan interval or log interval table will occur 3 4 DEFAULT Load Factory Default Settings...

Страница 24: ...display is Julian decimal day DF Date format is julian DF1 Date format is month day DF0 Date format is julian 3 6 DL Display Current Mode Displays the current datalogger mode setting DL LC 2x4 3 7 Dnnnn Display Arrays Forward from User Position Use the D command to display arrays forward from the User Position for verification or collection The updated memory pointers are displayed by this command...

Страница 25: ...ray Usage OP represents the Output Position that the next array will be written to UP represents the User Position This value is updated by D and P commands The user can display arrays from this position or re position to another array The format is comma delineated ASCII identical to that displayed when the Monitor mode is active See Appendix D for a sample data file See Appendix C in regards usi...

Страница 26: ...r the LC 2x4 c Conversion Type L P where L Linear and P Polynomial t Gage Type 0 Channel Disabled will display 1 VW Gage Type 1 2 VW Gage Type 2 3 VW Gage Type 3 4 VW Gage Type 4 5 VW Gage Type 5 6 VW Gage Type 6 szzzzzz zero reading with sign sffffff gage factor with sign soooooo offset with sign Example To setup Channel 1 as a model 4000 VW Strain Gage with a Zero Reading of 490 digits a Gage Fa...

Страница 27: ...ccccc Where nn Channel Valid entries are 1 2 3 and 4 for the LC 2x4 c Conversion Type L P t Gage Type 0 Channel Disabled will display 1 VW Gage Type 1 2 VW Gage Type 2 3 VW Gage Type 3 4 VW Gage Type 4 5 VW Gage Type 5 6 VW Gage Type 6 saaaaaa polynomial coefficient A with sign sbbbbbb polynomial coefficient B with sign scccccc polynomial coefficient C with sign When using polynomial conversion P ...

Страница 28: ...Transducer 4800 1 Pressure Cell 4850 1 Low Pressure Piezometer 4900 1 Load Cell 4910 4911 4912 1 Load Bolts Table 2 Vibrating Wire Gage Types NOTE When using the Polynomial conversion method the default reading units for a vibrating wire instrument is the frequency squared multiplied by 10 6 For example an instrument reading 3000Hz will output a value of 9 000 when A is entered as 0 B is 1 and C i...

Страница 29: ...nvert calibration factors pressure transducers are usually psi per digit to other engineering units consult Table 4 NOTE In LogView Sensor Settings when output units are set different than inputs units a conversion factor see Table 4 is automatically applied to the gage factor of each sensor See the LogView User s Guide for more information on Sensor Settings From To psi H2O H2O mm H20 m H20 HG mm...

Страница 30: ...999999 0 999999 0 22 0 99 0 99 0 99 0 3 Datalogger 1 2007 11 25 11 25 31 2 92 21 09 9 014 999999 0 999999 0 999999 0 22 0 99 0 99 0 99 0 4 To clear the ID enter a SPACE character as the ID When the ID is cleared the arrays from the logger will display beginning with the year To display the current ID enter ID ENTER 3 11 L Display Log Intervals Displays all six log intervals L Log Intervals List In...

Страница 31: ...tions 0 255 or the number of readings that will be taken at that interval If 0 is entered for the iteration value that interval will execute indefinitely Illegal entries will be ignored e g L7 10 100 or L1 1000 500 If the entry is correct the modified interval will display L1 100 0 Interval 1 Length 100 Iterations 0 If log intervals are enabled and logging was started any change to the interval li...

Страница 32: ...42 56 2 92 21 51 9 042 999999 0 999999 0 999999 0 22 5 99 0 99 0 99 0 622 3 15 M Display Current Monitor Mode Setting The monitor mode will display arrays as they are stored in memory in the course of logging This is useful where a test is being conducted and immediate display of logged values would be helpful Use the MD and ME commands next two sections to disable or enable the use of the Monitor...

Страница 33: ...000 GF 1 00000 GO 0 00000 TH 0 3 19 MXn Set the Maximum Number of Channels Set the maximum number of channels of the multiplexer Can be set to 4 or 16 Set to 4 by the factory for all LC 2x4 dataloggers MX4 4 Channel Multiplexer Selected 3 20 N Display Next Measurement Cycle Displays the next time the datalogger will initiate a measurement cycle If the start time ST command has been set this comman...

Страница 34: ...R ENTER 1 ENTER Network address 1 NA Network address 1 E ENTER ENTER 2 ENTER Network address 2 NA Network address 2 E 3 22 NAddd Set Network Address Sets the current network address to any address between 1 and 256 NA10 Network address 10 When network recognition is enabled this number preceded by the character must be entered for the respective datalogger to respond The following example illustra...

Страница 35: ...ing of two or more LC 2x4 dataloggers ND Network recognition disabled 3 24 NE Network Enable Enables networking of two or more LC 2x4 dataloggers NE Network recognition enabled Note If a networked LC 2x4 is connected via the RS 232 or USB port connection to the datalogger can be made directly without the need to enter the correct datalogger address This can be helpful if the network address is unk...

Страница 36: ...ss Y to continue any other key to abort R Are you sure Y N Y Memory cleared Note This command does not erase memory If the need arises to recover data that was previously taken take one or more readings and then position the memory pointers via the P and D commands to recover previously taken readings 3 28 RESET Reboot the LC 2 Microprocessor All stored readings and settings as well as the ID and ...

Страница 37: ...on the number and type of transducers connected Only whole numbers are accepted Typing SC with no value returns the current setting only SC Scan interval 60 second s SC300 Scan interval 300 second s 3 31 SS Display System Status Displays the System Status of the datalogger SS Trap count 0 Network address 1 Network recognition disabled Time format is hh mm Date format is month day Line Description ...

Страница 38: ... SR1 command then all readings after the first reading will synchronize to the top of the hour SR1 Readings are synchronized to the top of the hour ST Logging started 2008 318 1314 41 3 50 24 45 8961 077 999999 0 999999 0 8444 892 23 1 99 0 23 8 23 9 6645 2008 318 1314 45 3 50 24 57 8961 276 999999 0 999999 0 8445 080 23 2 99 0 23 8 23 9 6646 2008 318 1315 0 3 50 24 86 8960 023 999999 0 999999 0 8...

Страница 39: ...he factory to check on latest versions available SV Software version 3 7 0 3 36 TEST Perform Internal Self Tests Initiates a set of internal self tests that are performed at the factory during final test TEST LC 2MUX TEST MENU SELECTION TEST 0 INTERNAL EEPROM 1 EXTERNAL EEPROM BANK 1 2 EXTERNAL EEPROM BANK 2 3 EXTERNAL EEPROM BANK 3 4 EXTERNAL EEPROM BANK 4 5 EXTERNAL EEPROM BANK 5 6 EXTERNAL EEPR...

Страница 40: ...guration D External Input with Gage Type 4 filter configuration E External Input with Gage Type 5 filter configuration X Exit and return to normal operations Table 8 TEST Menu Information 3 37 TF Display or Set Time Forma Displays the current time format display option setting This setting determines how the time information will be displayed in the array when the Monitor mode is active see Sectio...

Страница 41: ...rature 103JL1A 10KΩ 25ºC NTC thermistor T1 0 CH 1 ENABLED GT 1 ZR 0 00000 GF 1 00000 GO 0 00000 TH 0 T2 1 CH 2 ENABLED GT 1 ZR 0 00000 GF 1 00000 GO 0 00000 TH 1 T3 2 CH 3 ENABLED GT 1 ZR 0 00000 GF 1 00000 GO 0 00000 TH 2 3 39 TR Display Current Trap Count The trap counter is a register that keeps track of the number of times that the internal processor has detected a communications error This is...

Страница 42: ... overwrite the stored values in a circular fashion see Section 3 7 Display Arrays Forward from User Position When the wrap format is set to 0 logging will stop once the memory becomes full This is useful if critical data is stored and it must not be inadvertently overwritten and lost When the wrap format is set to 1 logging will continue when the memory becomes full and the original stored values ...

Страница 43: ...is reading in memory Useful if interested in obtaining a reading at the moment without interrupting or affecting the current logging schedule D MS 3 OP 4 UP 3 X Datalogger 1 2007 11 25 13 11 39 2 93 23 59 9 060 22 8 D MS 3 OP 4 UP 3 Note In this example Channels 2 3 and 4 are disabled ...

Страница 44: ...Rate 1 Minute Scan Rate 1 Hour Scan Rate 1 Day Scan Rate Lithium 19 AHr 54 hours 128 days 1 year 4 years Alkaline 14 AHr 20 hours 47 days 6 months 2 years Carbon Zinc 5 Ahr 6 hours 16 5 days 3 months 1 year Table 9 Approximate Operating Times The above table assumes a constant temperature environment of 25 C not field conditions Battery life is shortened by temperature extremes If the datalogger i...

Страница 45: ...m 14 7Ω per 1000 ft Multiply this factor by two to account for both directions If resistance reads less than 100Ω the cable is probably shorted If resistance reads infinite or in the megohms range the cable is probably cut Check the datalogger with another known good transducer If it still reads 999999 0 the datalogger may be malfunctioning Check that the proper gage type is selected see Table 2 a...

Страница 46: ...R2032 3V lithium coin cell 20mm 225 mAHr RTC battery life 10 years Operating temperature range 30 to 50 C A 3 Memory Data memory 320K EEPROM Program memory 24K EEPROM Array storage 10666 Data memory type ring oldest over write Array elements ID optional Year Julian day or month day Time hhmm or hh mm Seconds Battery voltage Datalogger temperature Channel 1 Transducer reading Channel 2 Transducer r...

Страница 47: ... 7 Vibrating Wire Measurement Excitation sweep range 400 Hz to 4500 Hz Frequency Measurement Technique Adaptive Multiple Period Averaging Accuracy 0 05 F S R 450 4000 Hz Resolution 0 001 digit A 8 Internal External Temperature Measurement Thermistor Dale 1C3001 B3 YSI 44005 Standard 0 Thermometrics BR55KAKA822J High Temp 1 U S Sensor 103JL1A High Temp 2 Transducer accuracy 0 5 C Measurement accura...

Страница 48: ... Measurement 3V Battery 12V Battery Range 0 to 7 5 VDC Range 0 to 15 VDC Accuracy 1 83mV Accuracy 3 662mV Resolution 0 01 VDC A 10 Multiplexer Relay NAIS TXS2SA 4 5V Contact resistance 0 1 ohm max Switching current 1A max ...

Страница 49: ... RED VW3 3 Vibrating Wire BLACK TH3 3 Thermistor WHITE TH3 3 Thermistor GREEN SHLD3 3 Analog Ground shield BARE WIRE VW4 4 Vibrating Wire RED VW4 4 Vibrating Wire BLACK TH4 4 Thermistor WHITE TH4 4 Thermistor GREEN SHLD4 4 Analog Ground shield BARE WIRE Table 10 Transducer Cable Connections B 2 RS 232 Connector Pinout 8002 4 1 The mating 10 pin Bendix plug is part number PT06F 12 10P 10 Pin Bendix...

Страница 50: ...Violet 7 RS 485 TX H Grey 8 RS 485 TX J White 9 RS 485 12V K Black 10 RS 485 Ground Table 12 USB Connector Pinout B 4 RS 485 Connector Pinout optional 8002 4 3 10 Pin Bendix Internal Wire Color PCB connector J6 pin Description A Brown 1 No Connection B Red 2 No Connection C Orange 3 No Connection D Yellow 4 Digital Ground E Green 5 RS 485 RX F Blue 6 RS 485 RX G Violet 7 RS 485 TX H Grey 8 RS 485 ...

Страница 51: ...ration is set for Collect all data in Datalogger Settings Data Collection Options see the LogView on line help menu covering datalogger settings then LogView will issue commands to the datalogger to initiate a download of all arrays logged on the datalogger If the memory has wrapped then 10666 arrays will be downloaded starting at the current User Pointer See Sections 3 7 and 3 26 If the datalogge...

Страница 52: ...ivalent The steps to download the data using HyperTerminal are as follows Launch HyperTerminal Start Programs Accessories Communications HyperTerminal 1 Enter a name for the New Connection Select OK Figure 20 Figure 20 HyperTerminal Connection Description 2 Change the Connect using setting to the appropriate COM port Figure 21 Select OK Figure 21 HyperTerminal Connection Selection ...

Страница 53: ...hed The datalogger should return the power up prompt Hello Press for Help 5 Upon confirmation of communications select Transfer Capture Text see Figure 23 Figure 23 HyperTerminal Transfer Menu 6 Enter the path and name of the file to be created either directly or with the Browse button then click on the Start button see Figure 24 Hint It may be helpful to specify CSV as the file extension to allow...

Страница 54: ...e up the datalogger then Type S to get the Status of the datalogger Type P1 to position the data array Pointer at location one Type D5 to Display the readings stored in memory see Figure 25 Select Transfer Capture Text Stop Figure 25 HyperTerminal Datalogger Communication The data are now stored in the specified file ...

Страница 55: ... Section 3 5 Column 4 represents the time or hh mm format see Section 3 37 Column 5 represents the seconds Column 6 represents the main battery voltage alkaline batteries nominal 3 0 VDC Column 7 represents the internal temperature in degrees Celsius Column 8 represents the Channel 1 vibrating wire reading Column 9 represents the Channel 2 vibrating wire reading disabled Column 10 represents the C...

Страница 56: ...2 2 83 107 9 123 77 66K 36 8006 4 1363 44 331 5 84 105 2 124 72 81K 35 7618 5 1310 45 321 2 85 102 5 125 68 30K 34 7252 6 1260 46 311 3 86 99 9 126 64 09K 33 6905 7 1212 47 301 7 87 97 3 127 60 17K 32 6576 8 1167 48 292 4 88 94 9 128 56 51K 31 6265 9 1123 49 283 5 89 92 5 129 53 10K 30 5971 10 1081 50 274 9 90 90 2 130 49 91K 29 5692 11 1040 51 266 6 91 87 9 131 46 94K 28 5427 12 1002 52 258 6 92 ...

Страница 57: ... 01 0 00 170 134 64 4 903 117 837 170 09 0 09 0 03 25 8200 9 012 731 893 25 00 0 00 0 00 175 122 1 4 805 110 927 175 08 0 08 0 03 30 6721 54 8 813 684 514 30 01 0 01 0 00 180 110 95 4 709 104 426 180 07 0 07 0 02 35 5540 74 8 620 640 478 35 01 0 01 0 00 185 100 94 4 615 98 261 185 10 0 10 0 04 40 4592 8 432 599 519 40 02 0 02 0 01 190 92 086 4 523 92 512 190 09 0 09 0 03 45 3825 3 8 249 561 392 45...

Страница 58: ...30421 125 341 9 20 97081 130 301 15 72957 135 265 8 10 55329 140 235 3 5 42327 145 208 9 0 32650 150 186 1 5 25392 155 165 96 10 19901 160 148 36 15 15712 165 132 95 20 12493 170 119 43 25 10000 175 107 52 30 8057 180 97 02 35 6531 185 87 72 40 5326 190 79 49 45 4368 195 72 17 50 3602 200 65 66 55 2986 205 59 85 60 2488 210 54 65 65 2083 215 50 70 1752 220 45 82 75 1480 225 42 06 80 1255 230 38 68...

Страница 59: ... that circuit board jumper JP1 located adjacent to J5 the COM connector cable termination on datalogger the circuit board is positioned between pins one and two on the datalogger that is located at the farthest point on the bus from the RS 485 Interface Adapter and data collection computer Refer to Appendix F 2 for an example of a typical communications session Finally it is helpful to set the dat...

Страница 60: ...sconnect from the current datalogger and allow connection to the next datalogger 4 To communicate with Datalogger 2 and observe several readings type ENTER ENTER to wake the dataloggers and then type 2 ENTER Datalogger 2 returns Network address 2 2 2007 11 25 16 25 25 2 95 24 7 360 112 20 4 27 2 2007 11 25 16 25 30 2 96 24 7 360 155 20 4 28 E 5 Doing the same for Datalogger 3 and 4 results in Netw...

Страница 61: ...lotted Screwdriver 6 mm 1 4 Nutdriver CR2032 Lithium Coin Cell Geokon P N BAT 115 Disposable Grounding Wrist Strap 3M P N 2209 or equivalent Procedure 1 Put on the disposable grounding wrist strap and connect to a good earth ground 2 Using the 6 mm 1 4 slotted screwdriver loosen the four captive screws and remove the datalogger cover 3 Remove the two D cells 4 Using the 6 mm 1 4 slotted screwdrive...

Страница 62: ... screws using the nut driver to gently tighten the standoffs 12 Reconnect the two wire Molex connector to the header labeled 3V 12V if applicable 13 Position the battery board over the standoffs and reinstall using the four 9 5 mm long M3 5 x 6 3 8 long 6 32 battery board mounting screws 14 Reinstall the D cells 15 Reinstall the datalogger cover Lithium coin cell replacement is now complete ...

Страница 63: ... Function 3 Gage VW Load Cell Purple Cable 4 Gage VW Load Cell Purple Cable 6 Gage VW Load Cell Orange Cable H Common White s Black Green Blue Table 17 Common Conductor Chart White s black and Green wires are switched on Geokon three gage VW load cells prior to serial number 3313 The following wiring chart details the connections between the load cell the 8032 27 and the multiplexer board Multiple...

Страница 64: ...ful not to bend the sides outward 3 Insert the new batteries straight down into the battery holder Ensure that the polarity of the batteries matches the diagram on the battery holder 4 Check for secure connection between the battery terminals and holder If a gap exists remove batteries and bend the holder sides inward See Figure 27 below Proper Battery Installation Faulty Battery Installation Figu...

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