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990-60050-9800 ver 1.0 : DL-24 User`s Manual

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1. GAIN GAIN SETTING SETTING RESISTOR RESISTOR E1 to E2 E3 to E4 n J2 O E K3 990 60418 0101 i f ASSY REV E ART REV T T S N ii c10 R20 cig OB F R42 c41 Es Q5 c25 Le i y T PE R17 C19 S ony o ie R39 042 044 R18 5 W2 T R40 o W4 U3 R24 T rT U7 RID R7 C3 Rip R23r4 R29 C26R33 A V eo o 3 3 10227 u LU E o T o 2 T a a N AN SAR O E W3 Sw C9 C14 o 8 C32 636 206 RI2 VN as O CRIO c g2 CR UA Q4 8 2 o mp e S g e a a4 C20 E d e 1 O 3 3 z O O o CR5 E CRI3 5 83 U8 o mM o 4 J6 O 012 J5 C35 Q The following formula gives the relationship between the selected resistor value and the Figure 3 4 60418 ADCPB Board Gain Resistor Locations digitizer LSB bit weight 3 8 Nominal LSB weight 8 583069 x 107 0 201 ES R Where R is the value of the gain setting resistor in KQ volts count Installation The peak to peak full scale input voltage is then given by 9 o 201 0 R Again R is the value of the gain setting resistor in KQ In calculating the above values the actual value of the installed resistor should be used Full Scale Vp p Input volts peak to peak For the factory installed 332 KQ resistor the followi
2. Y E ON RESET USER OFF DL 24 Data Recorder HDD POWER ON LED HDD ACTIVITY LED REMOVABLE HARD DIS Col 8 8 Installation NECTOR 8 Y HDD LOCK POWER SWITCH Figure 3 5 DL 24 Control and Indicator Locations Figure 3 6 DL 24 Connector Locations 3 11 DL 24 Data Recorder O amp M Manual 3 6 1 ON RESET Touch Pad Button Green Purpose Located on the status control panel pressing this touch pad button turns power on to the DL 24 If power is already on it causes the unit to be reset Note that the DL 24 will automatically turn itself on if external power has been removed and then re applied 3 6 2 OFF Touch Pad Button Red Purpose Located on the status control panel pressing this touch pad button turns power to the DL 24 off Note that the DL 24 will automatically power itself on if external power is removed and then re applied 3 6 3 USER Touch Pad Button Yellow Purpose Located on the status control panel pressing and holding this touch pad button while the DL 24 is being powered on or reset by pressing and releasing the ON RESET touch pad button forces the unit into the boot loader mode This mode al
3. C28 5 LO E C32 C31 Te Q c SY C30 O Ww Cs c CRI5 CRM C46 6 C47 R28 e o wo c48 8 C49 GAIN SETTING RESISTOR E11 to E12 Figure 3 2 60054 ADCPB Board Gain Resistor Locations The following formula gives the relationship between the selected resistor value and the digitizer LSB bit weight 4 282951x10 Nominal LSB weight Where R is the value of the gain setting resistor in KQ volts count Installation The peak to peak full scale input voltage is then given by Full Scale Vp p Input TM volts peak to peak Again R is the value of the gain setting resistor in KO In calculating the above values the actual value of the installed resistor should be used For the factory installed 1 13 KQ resistor the following values are calculated Nominal Gain 1 006457 Nominal LSB Weight 3 790222 x 10 volts count Nominal Full Scale 39 743336 volts peak to peak The gain resistor should be in the range of 1 13 KQ to 287 KQ corresponding to a gain range of approximately 1 to 256 Note however that using gains of greater than 10 will degrade the dynami
4. Translucent Access Cover Removable SCSI Hard Disk Figure 1 3 DL 24 Front Panel Cover removed 1 6 General Information Controls a b c ON RESET This touch pad switch turns power on or if power is already On causes the unit to be reset OFF This touch pad switch turns power off USER This touch pad switch provides two functions First if held down while the ON RESET touch pad switch is pressed and released the DL 24 will start up in the boot loader mode While in this mode updated firmware can be downloaded into the DL 24 Second if the USER touch pad switch is pressed and released during normal operation the DL 24 it will flush all closed data files from the internal A drive to the destination drives B C or D Indicators a b c d e STATUS LED This LED indicates data recording activity Normally green the LED will illuminate solid red whenever data is being recorded MEMORY LED This LED is used as a hard disk activity indicator Normally green this LED will flash red during any PCMCIA or SCSI hard disk access activity TIME LED This LED flashes at a one second rate indicating that the DL 24 acquisistion firmware is running When flashing red the unit s timing is not locked to an external source When flashing green the unit is locked and synchronized to an external source such as the GPS 1 POWER LED This LED is solid red when the input power i
5. Figure 6 5 Phone List Editor Once a connection has been established the program will return to the main utility window Additional menu items are then available to the user as shown in Figure 6 6 D Series Utility File View Functions Operation Help o om e Figure 6 6 Menu Items After Connection 6 1 3 2 2 Data File Display This function allows the user to view previously recorded data files This function works the same as the From File function described in section 6 1 3 x 6 1 3 2 3 Translate This function allows the user to convert previously recorded data files to other file formats When selected the File Translate window will appear as shown in Figure 6 7 DL 24 Data Recorder User s Manual File Translate 24x Source Data File Destination Data File Drive 3 Drive c m Current Dir gACONTACH_1 P Destination Fie Formal Current Dir fe Data E gt CONT e gt Data E gt Eee e 3 DLINK 3 Dlink2 E C3 CH_1_S bos d1029000 006 d1230005 364 d1290006 007 d1029000 007 d1029000 364 d1029001 006 d1029001 007 d1029001 364 d1029002 006 4029002 nn Figure 6 7 File Translate Window The user selects the source data file location the destination file format the destination file location and then clicks on the OK button to start the file conversion process The source files must be in the original DL 24 data file format They must also have been previously uploaded to
6. Protocol Baud Data Format Tx ACK NAK Enable Rx ACK NAK Enable Command Response Utility Software This field sets the protocol that will be used on the selected serial port Selections are LLCP ALCP and HLCP At this time only the HLCP protocol as described in Appendix A is supported This field should always be set to HLCP Allows the user to set the baud rate for a serial port Note that if the baud rate of the serial port though which the PC computer is connected to is changed the user will have to re connect to the DL 24 using the Connect function Never remotely over a radio or leased line modem link change the baud rate of the connected serial port or a trip to the remote site to correct this problem will be required Current selections are limited to Data Tx Disabled HLCP and USGS IASPED Data Tx Disabled prevents the transmission of data frames from the DL 24 via the selected serial port Other message types as defined in Appendix A are allowed to continue The HLCP format transmits data messages as defined in Appendix A USGS IASPE format is not currently defined Enables checked or disables un checked the HLCP ACK NAK handshaking as described in Appendix A on the TX path That is on frames sent from the DL 24 and ACKed NAKed by the host computer The setting of this parameter depends on the type of communication link being used Consult system documentation or Geotech Instruments for
7. lsadniaranas astenia lito lots 6 26 Calibration Signal Paths di 6 27 Scheduled Calibration Control ds 6 30 Station Name Configuration essent 6 32 Continuous Recording Configuration sess 6 33 Event Record Configuration 6 35 Event Window Parameters a deed ta o ens 6 37 Window Record Setup VindowW 6 38 State of Health Record Setup Window 6 40 Status Record Setup SCreen id o pedit 6 40 bile Upload SEN dd cas dete saa A d eris 6 41 Real Time Recording Setup Screen ais eap as 6 42 Operation Men 6 43 Analysis and Display WIdO Wed 6 43 A E c EIE eae 6 45 Waveform Window Control Screen sse 6 46 From Ere File On ocius enis 6 47 Prom File VIew siepe verte e eie pin uda e tenes eden e RR Ret 6 48 Help MU 2 ir as 6 48 DL 24 Data Recorder User s Manual List of Tables Table 2 1 DE 24 Sample Rate teas ER edv bea OM 2 2 Table 3 1 DL 24 Sample Rate Correction Factors sess 3 5 Table 3 2 DL 24 Corrected LSB Weights for 60053 amp 60054 ADC Boards 3 6 Table 3 3 DL 24 Corrected LSB Weights for 60417 amp 60418 ADC Boards 3 9 Table 3 4 Analog Input Connector Pins sess 3 15 Table 3 5 POWER Connector Pista eS 3 16 Table 3 6 INPUT OUTPUT Connector Pins ooooonnoconocococonononcnnnaconoconn nono nono ncconocnnn conocio 3 17 Table 3 7 GPS Connector Pi
8. The Channel select allows the user to specify different trigger parameters or none for each configured data channel The Mode parameter allows the specification of None Level or STA LTA event detector algorithms for the selected channel Selection of either Level or STA LTA modes causes additional set up screens for the selected mode to appear Figure 6 24 displays the screen for configuration of a Level detector Adjustable parameters include the High Pass Filter Corner frequency Low Pass Filter Corner frequency and Trigger Level for each channel selected for the level detector mode The high pass and low pass filter corner frequency selections allow the detector to operate on a narrow band of frequencies than the unit is configured to acquire based on sample rate Note that the selected frequency band must be between DC and 40 of the channel sample rate Both the high pass and low pass filter corners are selectable in 01 Hz increments from DC to 99 99 Hz and in 0 1 Hz steps from 100 to 500 Hz All parameters must be set for each channel to be included in the event detection process 6 23 DL 24 Data Recorder User s Manual Configuration EE Communications Channels Time Triggers Channel 1 Y Mode LEWEL High Pass Filter Corner 2 Hz Low Pass Filter Comer 10 Hz Trigger Level 5 Full Scale Figure 6 24 Level Detector Configuration High Pass Establishes the lower frequency limit of input da
9. Allows users to specify which installed channels will be recorded in the continuous record mode Continuous record data can include either Primary sample rate data or Secondary sample rate data or both for each configured channel Figure 6 31 shows the Event Recording configuration screen Event recording if configured and enabled is initiated by an external event causing the Trigger algorithm to declare an event see section 6 1 3 4 4 4 The parameters required for Event recording are described in the following paragraphs Each event record is terminated and the Event record mode left in a wait state following each recorded event duration as specified in this screen Event related recording parameters are shown diagrammatically in Figure 6 32 6 34 Utility Software Internal Recording HEI Station Name Continuous Event window State of Health Status Channel to Record Start Mode Immediate Channel Vote Primary Secondary Pre E vent Length fio Con Post E vent Length fio Sec Max Event Length En Sec Trigger Window fi Sec Total Event Votes fo Storage Drive B 1 10 B Iv Iv 2 fon f FP mc 4 gg 4 10 y fu pi 5 10 y E Er 6 10 v E Es Send Close Help Figure 6 31 Event Record Configuration Start Mode Specifies an event or time at which data recording begins Options as listed on the pull down menu are Disabled Immediate Delayed Event record mode i
10. HELP Figure 6 15 Command Window 6 1 3 4 3 3 Power Off Command The Power Off command causes the DL 24 to turn itself off This command should be used with care as the only way to restart the unit is to either cycle power to it or manually press the GREEN push button switch on the units Status Control panel Power cannot be restored via any serial port connection This command does not have any parameters associated with it 6 1 3 4 3 4 Flush Data Command The Flush Data command causes the DL 24 to clear and reset the serial port to which this command is sent Ifthe serial port load starts to exceed the available band width data and command responses may start to back up This command is a way to clear and reset this condition This command does not have any parameters associated with it 6 13 DL 24 Data Recorder User s Manual 6 1 3 4 3 5 Power Down Drive Command This command allows the user to power down any drive installed as drive B C or D Note that drives D and E are on the same physical drive in two different partitions Drives can be safely removed from the appropriate slots at any time the applicable PCMCIA or SCSI activity LEDs do not indicate drive activity As an additional safety measure this command allows the drive to be totally disabled for removal Selected drive s can be powered down by point and click on the small circle to the left of the drive letter then clicking on the EXECUTE button Inserting a new dr
11. The length in seconds of the averaging window for the LTA value Constant STA LTA The short term window to long term window ratio desired to cause Trigger Ratio an event to be declared STA LTA The short term window to long term window ratio desired to cause Detrigger Ratio the end of an event to be declared This value may be different smaller than the trigger ratio Updating LTA When enabled checked causes the LTA window averaging to Enabled continue even during a declared event If disabled the averaging is stopped during a declared event period 6 25 DL 24 Data Recorder User s Manual 6 1 3 4 5 Calibration Selecting the Calibration item from the Functions menu displays the calibration window as shown in Figure 6 26 Initially this window displays the Immediate calibration tab All parameters displayed are the current settings of the connected DL 24 To send a calibration command to a DL 24 the user must first select either Start immediate or Enable scheduled to enable the parameters then enter the calibration parameters as required The user then clicks the SEND button to send the calibration command to the DL 24 The progress indicator will then indicate if the calibration command was accepted or rejected by the DL 24 If accepted the DL 24 will process the calibration command as directed Calibration EE Immediate Scheduled m Channel Configuration Channel Enable Sensor Loopback Short Cal Signa
12. Values of 12 000 volts to 12 000 volts may be entered negative values are only useful for the Pulse calibration to get a negative going pulse signal Due to digital rounding and truncation the actual output voltage will be as follows A input 12 Count Then A x 4096 and round Count down to a whole integer Count x12 rounded output 4096 6 1 3 4 5 1 Immediate Calibration Figure 6 26 shows the Immediate calibration tab The user must first select Start to enable the parameter fields Then the calibration fields may be entered as follows Channel Config These check boxes allow the user to individually enable or 6 28 disable channels for calibration They also allow the user to choose the signal path for the calibration Sensor Loopback or Short These paths are illustrated in Figure 6 27 Cal Signal Duration Amplitude Cal Param Utility Software The user can select the type of calibration signal to be generated in this field Sine Noise Pulse Random Pulse Shorted Input and Digital Output The duration of the calibration is entered here The units of this value can also be selected This value can range from 1 to 65535 seconds The desired peak amplitude of the calibration signal is entered into this field This value can range from 12 000 volts to 12 000 volts This field is only used when the sine wave calibration signal is used It sets the sine wave
13. the external 1PPS reference by up to 0 5 seconds A negative value indicates that the internal 1PPS is lagging occurring after the external 1PPS reference by up to 0 5 seconds Displays Present or Not Present Indicates the status of the selected external 1PPS input If the GPS synchronization mode is enabled the additional GPS 1 status values will be displayed as shown in Figure 6 13 Note that after the GPS 1 indicates a locked condition it may take up to 30 minutes for the Clock Status to report that the internal timing is locked to the GPS 1 reference These values must be manually refreshed by clicking on the REFRESH button Status Hardware State of Health GPS Information Drive Status Sync Mode GPS Difference 7 Clock Status Locked Ext Input Present Power Lock Error Source Age Speed N Latitude 32895480 locked Longitude s amp c94190 p Altitude 3 aPs2D Heading p New UTC Offset E T UTCVaid Vaid Vertical Velocity o Usable SY iz Figure 6 13 GPS Status Window GPS Enabled 6 10 Utility Software Selecting the Drive Status tab displays the installed storage device s status as shown in Figure 6 14 This window displays the current state of all installed storage devices These values can be manually refreshed by clicking on the REFRESH button The Drive Status screen describes key parameters of each of up to five data storage devices lettered A
14. 24 is used with an ICP based system Firmware Section 5 5 FIRMWARE 5 1 BOOT LOADER All firmware in the DL 24 is stored in FLASH ROM This allows the user to easily update the unit s application code in the field using a PC or laptop computer To allow for this feature a section of the FLASH ROM known as the boot sector is set aside for special code that will erase the application section of the FLASH ROM download the new firmware and re program it into the FLASH ROM This code is the boot loader firmware The boot loader section of the FLASH ROM is independent of the application code area and can be hardware locked so that it can not be accidentally erased or corrupted The boot loader also allows the user to perform some basic system maintenance functions To use the boot loader a PC or laptop computer must be directly connected to the DL 24 via its local serial port The connected computer must have a terminal emulation or communications program loaded onto it that supports ANSI terminal emulation Xmodem file transfers and can be set to a baud rate of 38400 baud The terminal program of Windows 3 1x or HyperTerminal for Windows 95 works well for this purpose NOTE The original version of HyperTerminal that shipped with Windows 95 has a known problem with transferring files over a direct hardwire connection rather than a modem A free update of the HyperTerminal program is available from its author Hilgraeve Inc that corre
15. 990 60054 0101 ADC boards the differential input impedance is 9 98 KQ and the single ended pin H grounded input impedance is 4 99 KO If the DL 24 is using 990 60417 0101 and 990 60418 0101 ADC boards the differential input impedance is 2 MQ and the single ended pin H grounded input impedance is 1 MQ Each input is transient protected with over voltage clamping at 22 Vdc with respect to ground Sockets to connect a sensor damping resister in parallel across the input pins are provided for each channel on the CIO board as shown in Table 3 10 3 21 DL 24 Data Recorder O amp M Manual Table 3 10 Damping Resister Sockets Damping Resister Sockets 3 7 2 2 Calibration Signal Output The internally generated calibration waveform output is supplied on pins B output and C output Pin K can be used for a foil shield on the calibration signal pair Each output is transient protected with over voltage clamping at 22 Vdc with respect to ground Jumper selections on the calibrator board determine if the calibration signal is a voltage or current output Voltage output is the factory default setting 3 7 2 3 Power Outputs Each sensor input connector provides access to power from the DL 24 The raw external input voltage is provided on pin A This is either the main external input voltage or battery voltage after passing through the main DL 24 power relay it will be switched on and off with the DL 24 power It will be 10 V
16. 990 60418 0101 ADC Boards 2 Megohms differential 1 Megohms single ended 2 1 4 Input Range 40Vpp bipolar differential maximum 2 1 5 Common Mode Rejection Greater than 80 dB 2 1 6 Input Gain 990 60053 0101 and 990 60054 0101 ADC Boards User selectable gains of 1 to 256 independently set by a single selectable resistor for each channel 990 60417 0101 and 990 60418 0101 ADC Boards User selectable gains of 1 to 32 independently set by a single selectable resistor for each channel DL 24 Data Recorder User s Manual 2 1 7 Digitizer Over sampled 24 bit Delta Sigma ADC with digital signal processing 2 1 8 Anti alias Filter Brickwall digital FIR filter cutoff at 82 of and 130 dB down at the output Nyquist frequency 2 1 9 Intermodulation Distortion Less than 100 dB 2 1 10 Signal to Distortion Less than 110 dB 2 1 11 Output Sample Rates Data channels can be sampled at either primary or secondary sample rates or both The secondary sample rates that are available depend on the primary sample rate selected The available sample rate combinations are shown in Table 2 1 Table 2 1 DL 24 Sample Rates SECONDARY PRIMARY RATE SPS RATE SPS 1000 500 250 200 125 120 100 80 60 50 40 20 10 EM EDEN SN Sa ae A EA O E T IX O T A pM po el po uz T O gr E poc A E a E Eur ESE 2 2 Specifications 2 1 12 Noise Typical noise performance at 100 sp
17. Boar raid 1 5 1 2 11 Controls Indicators and Connectors 1 6 12 12 Setup and Operar te lisis 1 8 PA A Deluge bec ur e iac Boetii o eoa E 1 8 1 3 SUPBPEIBDEOUIPMBNT d ean te eee etat tem 1 9 2 SPECIFICATIONS E E 2 1 2I DAW AAC OURS PRION sado 2 1 22 T Number of Inpuls a 2 2 7 p t Uy DS ress usec e tbe been epe da ita ao ehe th DU 2 241 3 Input mpedanee DERE I o D 2 XX ELSE I QU D S I sila 2 2 1 5 Common Mode Rejection ceo oa 2 1 2 1 6 Mp t ados oto ote 2 1 E eee tata Stato us A t teat 2 2 24 8 Anti dlias Filtet ii 2 2 2 1 9 Intermodulation Distortion u 2 65201 Loch edo atl deu RN eo nido 2 2 2 T IO Signal to Distortion rete ere Rea eed AR ers 2 2 2 LT Output sample Rates ia etude an gi Pe aah 2 2 PUN NOISE MEE 2 3 2 1 13 Dynamicaneeeee on sa neal i aad 2 3 2 1 14 Channel to Channel Skew eee eerte eno tonne 2 3 ZAS CaliBEAtE DTE sun e ne RN Eat ec a eeu e vada dede oes 2 3 2 2 PIMING Sts retour a dr etta ad Nd ceat cedes e tor ita 2 3 PADA YD S ripa As 2 3 iii DL 24 Data Recorder User s Manual 22 2 Ime Base ACCU ACY Ni 2 3 2 2 3 Stability Loss ected Senses e A ideas NS 2 3 2 2 4 Data Sample Time Tag Accuracy cil as 2 3 225 GPS Duty Cyeleicus ndeias ciue P lb RS Pre allied Pad OUS 2 3 213 ACQUISITION MODE S etos i S REI ott SER SERO 2 4 ZORROS cone tac ie v tu el Ears cde O I eu s 2 4 SACO MINI NOMEN DN DP 2 4 2 353 LV a deett AA d d NER UR dx dU
18. Flush Data at Startup M 6 El E Send Close Help Figure 6 30 Continuous Recording Configuration File Size The file size parameter specifies the length in minutes of each channel data file Available file lengths are 5 10 15 30 and 60 minutes 6 33 DL 24 Data Recorder User s Manual Storage Drive Buffer Full Mode Max Space to Use Flush Data at Startup Channels to Record 6 1 3 4 6 3 Event Recording Allows the user to designate the configured storage media to be used for data recording Acceptable parameters are drive letters B C D or E as installed If for some reason the user selected drive is not available the DL 24 will find the largest available drive and record the data files to it This is an attempt to prevent loss of data in a configuration error condition This parameter specifies what actions are taken should the specified recording media be filled to capacity or the Max Space to Use parameter is filled Selecting Ring Buffer allows old data to be over written with new data whenever either of the limits above are exceeded Stop When Full causes recording to stop if the specified capacities are exceeded Specifies a maximum storage media space to utilize for continuous data recording This space is used as described for Buffer Full Mode If enabled checked all previously recorded Continuous record data is deleted before staring a new continuos record mode
19. Geotech Instruments Make notes of any damage during shipment for use in preparing any claims against the carrier 3 3 FUNCTIONAL CHECKOUT A quick functionality check may be performed on the DL 24 to determine if it is operational using the following procedure a Unlatch and open the top cover of the DL 24 to expose status control panel containing the touch pad buttones and status LEDs 3 1 DL 24 Data Recorder O amp M Manual b Connect the DL 24 to a 12V dc power supply with the supply turned off at the connector labeled POWER A connecting cable may have to be made from the supplied connector kit see connector pinouts in section 3 6 15 c Switch the power supply on The POWER LED on the status control panel should illuminate and be red if the supply is under approximately 12 75V or green if over this voltage If the POWER LED does not illuminate on press the ON RESET S1 touch pad button on the status control panel to switch the DL 24 on d The user should hear the analog signal relays click a few times After a few seconds the TIME LED should start to blink at a one hertz rate If so the unit is functioning properly e Press the OFF touch pad button on the status control panel to switch the DL 24 off Disconnect the power supply cable from the DL 24 power input connector 3 4 PREPARING FOR INSTALLATION The DL 24 is factory configured for a gain of 1 40Vp p full scale input If the user needs to change the gain
20. PC card slots for ATA type hard drives both solid state FLASH memory type and rotating media supported SCSI Removable module for 3 5 inch SCSI hard drive 2 4 2 Recording Time Approximately two minutes twelve seconds per Mbyte of data storage at 100 SPS 3 channels input data channel recording only 2 4 3 Recording Format DOS compatible file format PCMCIA cards and SCSI hard drives readable directly on a PC Format converters available for popular formats Contact factory for information 2 5 INTERFACES 2 5 1 Communications One RS 232 serial port with full modem control interface signals for setup and data telemetry via radio modem etc with a maximum baud rate of 115 2K baud Specifications One RS 232 serial port for local user setup and data telemetry with a maximum baud rate of 115 2K baud Optional PCMCIA card slots can provide additional serial port modem and network communications 2 5 2 GPS Dedicated RS 232 serial port used as the interface to the GPS receiver 2 5 3 Analog Input Up to 6 sensor analog input channel connectors 2 5 4 Power Main power input 2 5 5 Miscellaneous I O One auxiliary state of health analog input 1PPS input output one digital event input and one digital event output 2 6 GENERAL 2 6 1 Firmware Firmware utilizes a multi tasking real time operating system 2 6 2 Field Upgrades All firmware and programmable logic configuration information is programmed into FLASH ROM that can be
21. Window Utility Software Selecting the GPS Information tab displays the GPS status window as shown in Figure 6 12 GPS disabled and Figure 6 13 GPS enabled This window displays the current state of the unit s timing synchronization and if enabled the status on the connected GPS 1 receiver These values can be manually refreshed by clicking on the REFRESH button Status HE Hardware State of Health GPS Information Drive Status Sync Mode None Difference o Clock Status Unlocked Ext Input Not Present Power E Latitude Lock Longitude Error Altitude Source je Heading ey Age Jas 3 UTC Offset gt Speed UTC Valid Vertical Velocity Usable SW Accepted REFRESH Figure 6 12 GPS Status Window GPS Disabled The values in the top box of this window are always displayed These values are as follows Sync Mode Displays the current timing synchronization mode None External 1PPS or GPS Clock Status Displays either Locked or Unlocked Indicates if the DL 24 s internal time base is synchronized with the external reference or not DL 24 Data Recorder User s Manual Difference Ext Input Displays current time difference between the DL 24 s internal 1PPS time mark and the external 1PPS reference This value is in counts with each count representing 81 38 nS A positive value indicates that the internal 1PPS is leading occurring before
22. advice on setting this parameter This parameter should normally be enabled for the serial port used for a direct connection to a PC computer running this utility software Enables checked or disables un checked HLCP ACK NAK handshaking on the RX path That is on frames sent from the host computer and ACKed NAKed by the DL 24 The setting of this parameter depends on the type of communication link being used Consult system documentation or Geotech Instruments for advice on setting this parameter This parameter should normally be enabled for the serial port used for a direct connection to a PC computer running this utility software Enables checked or disables un checked the transmission of HLCP command responses from the DL 24 to the host computer as described in Appendix A This parameter should normally be enabled for the serial port 6 19 DL 24 Data Recorder User s Manual Unsolicited Message Enable Channel Primary Secondary used for a direct connection to a PC computer running this utility software Enables checked or disables un checked the Message transmission of HLCP unsolicited messages from the DL 24 to the host computer as described in Appendix A The DL 24 does not currently support or transmit any unsolicited messages Accommodates the primary and or secondary data channel sample rates for up to six hardware data channels in the transmitted data stream A checked selection box indicates the in
23. as described in Section 5 1 User access to the unit for setup control and data is via a serial interface Utility software as described in Section 6 can be used to operate the DL 24 DL 24 Data Recorder User s Manual This page intentionally left blank 5 10 Utility Software Section 6 6 UTILITY SOFTWARE 6 1 D SERIES SETUP AND REAL TIME DISPLAY UTILITY The D Series setup and real time display utility software allows the user to setup control view data in real time and upload recorded data files from a DL 24 Via a direct serial connection to the DL 24 this software lets the user setup and control all aspects of the operation of the DL 24 It also allows the user to view data in real time and to record data to a disk file Recorded files can be viewed off line with this software as well 6 1 1 Requirements The D Series utility software requires the following minimum software and hardware configuration CPU 486 50Mhz Pentium Memory 16 Mbytes Ports One free serial port Operating System Windows 95 or Windows NT 6 1 1 Installation Three files are required to run the D Series utility software the executable file DS_UTIL EXE and two DLL files MFC42 DLL and MSVCRT DLL The executable file may be placed in any convenient directory The DLL files should be placed in the Windows System directory typically c windows system if they do not already exist there A shortcut should be created for the exec
24. be used to direct connect to a local PC 3 25 DL 24 Data Recorder O amp M Manual 3 8 SITE SPECIFIC INSTALLATION For system purchases from Geotech Instruments system drawings site installation wiring diagrams and instructions are provided in the system level documentation for that job For other installations contact Geotech Instruments for site specific installation advise 3 26 Operation Section 4 4 OPERATION 4 1 CONNECTION AND POWER UP 4 1 1 Connection The minimum required connections to power up and look at data from the DL 24 is power going to the POWER connector and a PC connected to the local serial port at either the INPUT OUTPUT connector or LOCAL SERIAL connector Other connections to the DL 24 should be made as shown in Figure 4 1 as described in Section 3 and as described in any system related wiring diagrams and documentation 1f supplied If the DL 24 was supplied with a larger system that includes a Geotech Instruments Intelligent Communication Processor ICP system please refer to the ICP documentation for details of connecting and operating a DL 24 with an ICP based system CHANNEL 3 CHANNEL 2 CHANNEL 1 Figure 4 1 DL 24 Connections DL 24 Data Recorder O amp M Manual 4 1 2 Power Up With W14 installed o
25. drive access and functions identically to the hard disk drive activity LED described later 3 6 9 PCMCIA Activity LED PCMCIA Purpose Located in the hard disk drive bay this green LED indicates activity associated with an ATA type disk drive device installed in either PCMCIA slot 3 13 DL 24 Data Recorder O amp M Manual 3 6 10 PCMCIA Card Slot Ejector 1 2 Purpose The PCMCIA ejector buttons adjacent to the PCMCIA slots in the hard disk drive bay when depressed eject any devices installed in the respective slots 3 6 11 HDD Activity LED Purpose This red LED on the removable hard disk drive functions exactly as the SCSI LED described above and indicates hard disk access for data read write 3 6 12 HDD Power On LED Purpose This green LED on the removable hard disk drive indicates power to be applied to the hard disk drive 3 6 13 HDD Lock Power Switch Purpose This push to turn rotary switch provides mechanical locking of the removable hard disk in the hard disk drive bay as well as the power connection to the hard disk With the bat handle oriented vertically the device is unlocked and disconnected from the power supply and can be removed from the drive bay When depressed and rotated clockwise 1 4 turn bat handle oriented horizontally the device is mechanically locked in the drive bay and power is connected to the disk drive 3 6 14 Analog Input Connectors Purpose These connectors CHANNEL 1 through C
26. line for PCMCIA modem TELE4 Optional telecom line for PCMCIA modem TELE2 Optional telecom line for PCMCIA modem Local port CTS input RS 232 Local port TX output RS 232 Event input falling edge triggered E J S G H K L N R T Spare SOH signal return 1PPS input falling edge triggered 3 17 DL 24 Data Recorder O amp M Manual 3 6 17 GPS Connector Purpose The GPS connector provides the interface to the optional GPS 1 receiver Connection External circular connector type mating connector Souriau type 851 06JC 10 6P50 Signals Table 3 7 gives the GPS connector pin assignments and descriptions Table 3 7 GPS Connector Pins SIGNAL DESCRIPTION GPS serial RX input RS 232 GPS power 12V DC fused at 2 amps GPS 1PPS input GPS serial TX output RS 232 3 6 18 LOCAL SERIAL Connector Purpose The LOCAL SERIAL connector provides the interface to the local setup configuration and monitor PC Connection External circular connector type mating connector Souriau type 851 06JC 10 98P50 3 18 Installation Signals Table 3 8 gives the local serial connector pin assignments and descriptions Table 3 8 Local Serial Connector Pins SIGNAL DESCRIPTION 5 V DC regulated EGG Local port RX input RS 232 Temas 3 6 19 MAIN SERIAL Connector Purpose The MAIN SERIAL connector provides the interface to external communication modems radio transceivers line
27. number 990 60051 0101 is the heart of the D Series and DL 24 electronics It provides most of the digital functions of the system such as a An 80C186EC processor operating at 12 288 MHz b 256K bytes of general purpose system RAM c 512K bytes of program FLASH ROM d 12V Vpp FLASH ROM programming voltage supply e Main telemetry RS 232 serial port f Local user RS 232 serial port g GPS interface RS 232 serial port h Battery backed up real time clock with 8K bytes of non volatile RAM i Watchdog timer j Eight channel 12 bit ADC for state of health monitoring k PCMCIA SCSI expansion interface 1 Field programmable logic FPGA that provides glue logic system and ADC timing time synchronization VCO control and other miscellaneous functions m DSP daughter board interface n Voltage controlled TCXO oscillator o State of health analog signal conditioning and buffering p System bus interface and buffering 1 2 5 DSP Board The optional DSP board part number 990 60052 0101 can provide the DL 24 with real time event detection and filtering capabilities This board provides the following functions a TMS320C31 DSP processor operating at either 12 288 MHz or 6 144 MHz b 512K bytes of general purpose data and program RAM c 32K bytes of boot EPROM d 16K byes of dual port RAM for inter processor communications 1 2 6 PCMCIA SCSI Board The PCMCIA SCSI board part number 990 60378 0101 provides two P
28. s enne 5 9 6 UTIETTY SOFTWARE ili aee e pe en ente 6 1 6 1 D SERIES SETUP AND REAL TIME DISPLAY UTILITY 6 1 6 T REQUIEM o iar tenga etta Peta tat bete et daas Pelea ed 6 1 6 1 1 Installation eec ia 6 1 6212 COnneGtlOTL 1 n coa c eoe Te acto e aeuo eae aree ao el eo Te aae a 6 1 6 1 3 Utility Software Operation aeo cas etos ehe enne sa exe eio a hne ren 6 1 6 3 T Tool Bate eue 6 2 6 1 3 2 Pile Men ui ete doter 6 3 6 1 3 2 1 Connect to COM Pott eee 6 3 6 1 3 2 2 Data File Display i ii eate e asta rtt 6 5 6 1 3 2 3 Translate unan a 6 5 6 1 3 3 View Ment cececececeeecscsssssssesssssesesesesssesesesesesesees 6 6 6 1 3 4 Functions Menu 6 7 6 13 42 COMIC E Aia 6 7 vi Introduction A ibd d opes tes 6 7 6 13 4 3 Commands ism 6 12 6 1 3 4 3 1 Cold Reset Command 6 12 6 1 3 4 3 2 Warm Reset Command 6 12 6 1 3 4 3 3 Power Off Command 6 13 6 1 3 4 3 4 Flush Data Command 6 13 6 1 3 4 3 5 Power Down Drive Command 6 14 6 1 3 4 3 6 Acquisition Command 6 14 6 1 3 4 3 7 Relays Command een 6 15 6 1 3 4 3 8 Vpp Supply Command 6 16 6 1 3 4 3 9 LED Display Command 6 16 6 1 3 4 3 10 Real Time Data to PC 6 17 AA A ht teen 6 17 6 1 3 4 4 1 Communications Configu
29. storage devices modems etc 2 9 2 ADC Board Additional ADC boards can provide up to 6 analog input channels 2 9 3 Communications Various modem and radio options are available for data telemetry DL 24 Data Recorder User s Manual This page intentionally left blank Installation Section 3 3 INSTALLATION 3 1 GENERAL The DL 24 is a rugged self contained remote data acquisition system designed for maximum reliability and simplicity of operation The DL 24 is also very versatile Installation can range from a simple one channel stand alone recording system connected to a 12V power supply and sensor to a complex remote array requiring many different power telemetry and physical site considerations NOTE The DL 24 is designed to operate over a wide range of temperature and humidity conditions However for best results the DL 24 should be installed in a vault shelter or covered with a box that will protect it from direct exposure to rain hail sleet wind and rapid temperature changes 3 2 UNPACKING AND INSPECTION When the DL 24 is removed from its shipping carton the unit should be thoroughly inspected for shipping damage Verify that there is no damage to the enclosure with particular attention to the connectors and latches Generally inspect the visible portions of the instrument for evidence of damage Verify that all items on the packing list are included in the shipment Report any damage or discrepancies to
30. the PC or are being accessed directly from a removable PCMCIA or SCSI hard disk currently attached to the PC 6 1 3 3 View Menu The View menu item has the selections shown in Figure 6 8 when it is selected D Series Utility File BYERS Help I T V Toolbar v Status Bar Figure 6 8 View Menu This menu item allows the user to select whether the tool and status bars are displayed or not Additional selections are available when the user is in the data display and analysis mode as described in section 6 1 3 X Utility Software 6 1 3 4 Functions Menu The Functions menu item has the selections shown in Figure 6 9 when it is selected Note that this menu item is only displayed after a connection has been established to a DL 24 D Series Utility File View Mata Operation Help zp EXIT Connect F2 Status Commands Configuration Calibration Internal Recording File Upload MENtenance Real Time Recording Stop Heal lime Recording Figure 6 9 Functions Menu 6 1 3 4 1 Connect The Connect function of the Functions menu provides the same functions as that described in section 6 1 3 2 1 6 1 3 4 2 Status Selecting the Status item from the Functions menu displays the status window as shown in Figure 6 10 Initially this window displays the DL 24 hardware status The unit s serial number hardware installation status D Series type and firmware version are displayed in this wi
31. to send the settings to the DL 24 6 17 DL 24 Data Recorder User s Manual The progress indicator will then indicate if the command was accepted or rejected by the DL 24 If accepted the DL 24 will perform a warm reset to enable the new configuration Configuration HE Communications Channels Time Triggers Serial Port F Protocol HLCP Channel Primary Secondary Baud 3600 E Data Format HLCP Tx ACK NAK Enable Rx ACK NAK Enable Command Response Unsolicited Message Enable send close HELP Figure 6 20 Communications Configuration 6 1 3 4 4 1 Communications Configuration The Communication tab displays the configuration of each serial port in the DL 24 as shown in Figure 6 20 Five serial ports are possible in a DL 24 the Local serial port direct to PC connections the Main serial port data modem radio etc connections and three optional PCMCIA PC Card slot Slot 0 internal 1 or 2 both front panel that can support serial port modem cards Each port is independent of the others meaning that data could be received from and commands sent to all serial ports simultaneously with different configurations and baud rates The parameters on the communications tab have the following functions Serial Port This field allows the operator to select which of the five possible ports is to be configured or to display the current configuration of any of the five possible ports 6 18
32. updated either locally or remotely via the serial ports as required 2 6 3 Setup and Operation The user can setup operate and collect data from the unit via local or remote serial connections 2 6 4 Utility Software Microsoft Windows compatible setup control data collection and data display utility software provided DL 24 Data Recorder User s Manual 2 6 5 State of Health Hardware diagnostics and state of health information provided State of health data channels are sampled once per second and include the following 1 Spare external analog input 10V 2 Internal temperature 3 Vpp FLASH programming voltage 4 15V power supplies 5 5V power supplies 6 External supply voltage 7 Digital event input 8 PCMCIA SCSI drive bay temperature 2 7 POWER 2 7 1 Input 10 to 15 Vdc 12 Vdc nominal 2 7 2 Power Consumption 5 75 watts average 1 channel 6 25 watts average 3 channel 2 8 PHYSICAL 2 8 1 Construction Rugged rotationally molded polyethylene housing 2 8 2 Size 16 75 in 422 mm wide x 9 5 in 240 mm deep x 20 in 504 mm high excluding latches handle and hinges 2 8 3 Weight 25 lbs 11 4 kg 2 8 4 Operating Temperature 20 C to 65 C 2 6 Specifications 2 8 5 Humidity 0 to 100 2 9 OPTIONS 2 9 1 Data Storage An included SCSI interface card provides the control interface for an optional SCSI hard disk drive for local data storage plus two PCMCIA card slots for ATA type memory
33. urs d etes 2 4 DA Data storeeee E E AE A E EET 2 4 LA Type A 2 4 ZAD REC MAMIE DOES 2 4 ZAS Recording POr 2 4 Sd le am net 2 4 Dd A COMICIOS iii ds 2 4 PIPEtu m Eaa 2 5 2 953 uXTtialop VOU rinri s e 2 5 204 TOWOL A detected Nid ua nets 2 5 25 9 Miscellaneo us x uisi kb 2 5 ZIG OENBEBROLD i teca o Rd ML M ME 2 5 2 5 LL BTHTIMIAEGS C da e loo testi Mean ate etui a uot 2 5 240 2 Field Upgraddee E E E EE EA 2 5 2 6 3 Setup and Operation a 2 5 264 Utility Software A pre AAA Pr Ma Soo ADA Put Ms 2 5 2 6 5 State OE Hei al 2 6 A Ree nt Ra ene reer See Lr Sree eae toas e tS 2 6 Did Rs VIVE acces soos 2 6 2142 Power CONSUMPTION zc e tas wie esta aci cd o at e e ries 2 6 2 8 PHYSICA Lvs acted ae hid etai tus dept reti i ed a EN deeds 2 6 2 81 COD StEUCLDOTE uL ose e dads 666 2 6 282 ULC eee 2 6 28 3 WW CUI INU aed tv ss E 2 6 2 8 4 Operating Temperature 2 6 218 5 a Ea 2 7 ZO OPTIONS d a oet i 777777 2 7 LIA Data SOTA TR 2 7 2 02 ADE BOE 2 7 2 9 3 COMMUNICATIONS e 2 7 JINSTALLA TION rcu eco atus ee ea on MeL CE 3 1 Introduction S MAS EIN IRA Db AA plese A vena Tee oa A AA E EE 3 1 3 2 UNPACKING AND INSPECTION 3 5 rete eae 3 1 3 3 FUNCTIONAL CHECKOUT tdi eor o eee RR 3 1 3 4 PREPARING FOR INSTALLATION nennen 3 2 3 4 1 Setting the ADC Preamp Gain and LSB Bit Weight 3 2 3 4 1 1 990 60053 01
34. 0 3 790222x 10 0 996667 3 771589 x 10 3 790222 x 10 0 991556 3 758217 x 10 3 790222 x 10 0 990000 3 752320 x 10 3 790222 x 10 0 989556 3 750637 x 10 3 790222 x 10 0 991556 3 758217 x 10 3 790222 x 10 0 989556 3 750637 x 10 3 790222 x 10 0 989556 3 750637 x 10 1000 3 790222 x 10 0 989556 3 750637 x 10 For the DL 24 then the following formula is used to calculate the output voltage from a data sample Vout COUNT x Corrected LSB Weight where COUNT is the digital output 775242879 to 5242880 counts full scale 3 4 1 1 990 60417 0101 ADC amp 990 60418 0101 ADCPB ADC Boards The user has the option to select a resistor on each ADC and ADCPB channel to set the gain of the preamp Gains from 1 to 32 may be selected and the gain setting resistor for each channel is installed in spring loaded sockets to allow for easy replacement The DL 24 is supplied with a factory default resistor value of 332 KQ that gives a gain of approximately 1 and a full scale of approximately 40Vp p The ADC and ADCPB boards must be removed from the DL 24 card cage to change the gain setting resistors The resistors are installed between sockets E5 to E6 on the one channel ADC 60427 board and between E9 to E10 and E11 to E12 on the two channel ADCPB 60418 board These sockets are on 0 400 inch centers Resistor leads should be pre bent to this spacing and trimmed to about 0 250 inch in length 3 6 Installation The following for
35. 01 ADC amp 990 60054 0101 ADCPBYADC Boatds adi 3 2 3 4 1 1 990 60417 0101 ADC amp 990 60418 0101 ADCPB ADC BOSTS Oeo eh e d ot RE ot 3 6 3 5 INSTALLING THE DL 24 i 3 10 O nn Quin dtes na sid eue ce pue a E 3 10 DEA Location ia oO 3 10 3 5 1 2 GPS 1 Receiver Location at oe deii ed er ee 3 10 3 6 CONTROLS INDICATORS AND CONNECTORS eee 3 10 3 6 1 ON RESET Touch Pad Button Green ooooonoocccnoonncconnnononnconanon ns 3 12 3 6 2 OFF Touch Pad Button Red sse 3 12 3 6 3 USER Touch Pad Button Yellow seen 3 12 SAS A e stt t ts 3 12 3 6 5 MEMORY LED di eo ERN tt Vn e eR EE 3 13 3050 PIME LED eas tech t dete ibtd peau dede 3 13 3 6 7 POWER CED ie ede hiver t t tenista elsi eique 3 13 3 6 8 SCSI Activity LED tSCSL uS eit tate ah 3 13 3 6 9 PCMCIA Activity LED PCMCIA ccoocococcoocconcoononnnonnnonncnnnconocnnonnos 3 13 3 6 10 PCMCIA Gard Slot Ejector 1 aio Eee edes 3 14 3 6 11 HDD Activity LED ae oder beta ie ence ath eds 3 14 3 6 12 HDD Power OmLED 28e 3 14 3 6 13 HDD Eock Posver Switch oir eese deno dien rein reae 3 14 3 6 14 Analog Input Connectors p 3 14 3 6 15 Poet Connect eeeee 3 16 3 6 16 INPUT OUTPUT Conocio 3 16 3 0 I GPS COMO 3 18 3 6 18 LOCAL SERIAL Connector 3 18 3 6 19 MAIN SERIAL Connector ci eee Mees ede 3 19 37 GENERAL INS TABLA TION ad 3 20 3 kl Power Connections aret eats ate ar pea dnd RAE 3 20 3 7 1 1 External Power
36. 1x lookin cos AA aaa a d1290005 364 d1290006 007 CLOSE TIME Offset k l y TimeRange File name a Files of type E Cancel Open as read only ViewS cale 1 a X second 23 42 54 v Y count Time Remove v Open File For Help press F1 270 1100 EL Z Figure 6 42 From File File Open 6 47 DL 24 Data Recorder User s Manual D Series Utility Data File Display dk File Functions View Window Help le x gt on B DISPLAY FromFile Real lime ABCD clp 01 24 00 23 36 01 62 ABCD c2p 01 24 00 23 38 25 94 Channel Selection on on on RAS v v ABCD c3p UEPZEIUPAEMERUIS ABCD cip ABCD c2p ABCD el Time Remove Open File For Help press F1 170 880 ME ZY Figure 6 43 From File View 6 1 3 6 Help The Help item on the menu bar allows the user enable the Tip of the Day view Help Topics and display the DS_ Util version using the About selection as shown in Figure 6 44 D Series Utility File View Malziv lt P gt EXIT Tip of the Day Help Topics About D Series Utility Figure 6 44 Help Menu 6 48
37. 6 1 3 5 Operation The Operation item on the menu bar displays two selections Data Analysis and Debug Window as shown in Figure 6 38 These functions are described in the following sections 6 42 Utility Software A D Series Utility View Functions MIE Help T EXIT ae amp c dk Data Analysis Debug Window Figure 6 38 Operation Menu 6 1 3 5 1 Data Analysis Selecting the Data Analysis item from the Operation menu displays the Analysis and Display window as shown in Figure 6 39 Also displayed is the Channel Selection bar The Analysis and Display window can be used to view data in real time and to view previously recorded data files Initially the Analysis and Display window is in the real time display mode but is not updating A control panel is located to the left of the window D Series Utility Analysis and Display ae File Functions View Window Help la xl 9 e 82 DISPLAY RealTime Stop Frame N NOFF MOFF MOTF Chant o Chan Chan3 Chan9 Chan1 0 Chan11 Time 00 021 22 17 32 For Help press F1 600 1040 Mis Figure 6 39 Analysis and Display Window 6 43 DL 24 Data Recorder User s Manual 6 1 3 5 1 1 Channel Selection The Channel Selection bar automatically appears when the Analysis and Display window is opened It can also be turned on and off by selecting the View menu bar item and toggling the check mark by the Channel Selection Bar item s
38. CMCIA compatible PC card slots and a SCSI interface This board uses an industry standard CL 6720 controller to provide full PCMCIA compatibility One type II and one type III 1 4 General Information PC card can be used simultaneously The PCMCIA slots can be used with modem memory and ATA hard drive cards The SCSI interface can be used for connecting an industry standard SCSI hard drive to the DL 24 for optional local data storage 1 2 7 Calibrator Board The calibrator board CAL part number 990 60227 0101 or 990 60419 0101 allows the DL 24 to generate sine noise pulse and random pulse waveforms as calibration signals The calibration can be either routed through a connected sensor or a loop back path internal to the DL 24 for test purposes Jumpers allow either voltage or current calibrations to the sensor to be generated This board also provides one PCMCIA PC card normally used for a 2 to 6 Mbyte static RAM card for data storage and or buffer 1 2 8 ADC Board The ADC board part number 990 60053 0101 or 990 60417 0101 provides one channel of 24 bit analog to digital conversion for the DL 24 Onboard relays allow the DL 24 to select either sensor loop back or grounded input paths to the digitizer A low noise preamp provides signal buffering to the digitizer and allows the user to set the gain of the channel in the range of 1 to 256 1 to 32 for the 990 60417 0101 board by installing a single selected resistor The gain settin
39. Calibration Ti Immediate Scheduled r Channel Configuration 3 Channel Enable Sensor Loopback Short Cal Signal Sine Scheduled 1 Iv c 2 2 m Start Time Pap ao 2 Iv c e C HH o9 S pop Enable Disable Duration go Second Interval 24 Hour m Repetitions 365 Amplitude 5 Volts Index 0 Sine Freq 2 Hz Figure 6 28 Scheduled Calibration Control Interval Repetitions Amplitude Cal Param The interval is defined as the time between the start of one calibration to the start of the next This value can range from to 4294967295 seconds but must be greater than the duration value This is the number of times that this scheduled calibration is to run This value can range from 1 to 65535 The desired peak amplitude of the calibration signal is entered into this field This value can range from 12 000 volts to 12 000 volts This field is only used when the sine wave calibration signal is used It sets the sine wave frequency It can range from 0 1 Hz to 166 6 Hz Once complete the scheduled calibration definition is sent to the DL 24 by clicking the SEND button The progress indicator will then indicate if the calibration command was accepted or rejected by the DL 24 The DL 24 will then run the calibration as scheduled 6 30 Utility Software Some considerations when using scheduled calibrations e Care should be taken in setting up the schedul
40. EOTECH INSTRUMENTS LLC DL 24 D Series Data Recorder User s Manual Document Number 990 60050 9800 Version 1 0 January 2000 O 2000 Geotech Instruments LLC All rights are reserved including those to reproduce this manual or parts thereof in any form without permission in writing from Geotech Instruments LLC henceforth referred to as Geotech Instruments in this manual This manual is protected by United States copyright law Title 17 United States Code Unauthorized reproduction and or sales may result in imprisonment of up to one year and fines of up to 10 000 17 USC 506 Copyright infringers may be subject to civil liability For information relating to other Geotech Instruments products and manuals inquiries may be addressed to EOTECH INSTRUMENTS LLC 10755 Sanden Drive Dallas Texas 75238 1336 Phone 214 221 0000 Fax 214 343 4400 Web www geoinstr com Introduction Table of Contents INTRODUCTION 40 cda pusistes xi I GENERAL INFORMATION tl moda reri te ve ite dust e resi baud 1 1 1 1 PURPOSE OF EQUIPMENT enirn Seeders cette ete i eh 1 1 1 2 DESCRIPTION OF EQUIPMENT sia is 1 2 a A O 1 2 1 22 Mother Boada 1 2 1253 Power BO tdi Slade tiel a etes Patet otn ette n des 1 4 I2 AC RIBA anon A AAA A A A 1 4 1 2 3 DSP BO 1 4 1 2 6 PCMCIA SCSI Board incide 1 4 12 Calibrator B Oatd uoo ect aue m dre teet Dim 1 5 1 2 8 3 DC Baal 2 sedente 1 5 1 2 9 ADC Piggy Back Borda t 1 5 1 2 T0 Connector VO
41. HANNEL 6 are used to supply the analog sensor input voltage to the digitizers They also provide the calibration output signals Power outputs both regulated and unregulated are provided to the user on this connector 3 14 Installation Connection External circular connector type mating connector Souriau type 851 06JC 12 10P50 Signals Table 3 4 gives the analog input connector pin assignments and descriptions Table 3 4 Analog Input Connector Pins SIGNAL DESCRIPTION A Unregulated power output typically it will be the external input power voltage minus 0 5 volts It is fused at 2 Amps EN Calibration signal output Calibration signal output 15 volt regulated output This output should be limited to 30mA or less F 15 volt regulated output This output should be limited to 30mA or less Note 1 For 990 60053 0101 and 990 60054 0101 ADC boards the input impedance of the analog input is 9 98K differential and 4 99K single ended analog signal input connected to ground For 990 60417 0101 and 990 60418 0101 ADC boards the input impedance of the analog input is 2Meg differential and 1 Meg single ended analog signal input connected to ground 3 15 DL 24 Data Recorder O amp M Manual 3 6 15 Power Connector Purpose The POWER connector provides for the input of external DC power sources into the DL 24 The Charger input provides the main power input to the DL 24 or charger input for an external
42. Input cei trees 3 20 Schild External Battery A RE RR 3 21 3 7 2 Analog Input Connections ert etos tento re bra rene pre de 3 21 3 7 2 1 Analog Signal puta 3 21 DL 24 Data Recorder User s Manual 3 7 2 2 Calibration Signal Output rn sn ads 3 22 3 12 3 Power Outptuls s eedem rene sare aa tacos e IU ene ea 3 22 3 7 3 INPUT OUTPUT Connections coccccccccnonononononononanononanonanananananananons 3 23 3 7 3 1 Local Serial Port ttttte 3 23 3 7 3 2 External 1PPS Input Output sop sia 3 23 3 7 3 3 Event Input Output 3 24 3 7 3 4 SOH Spare Analog Input eerte enne 3 24 3 7 3 5 ASA costa bti re reda due 3 24 37 A AGPS Connections i oe eerte ster fea dte ec e eee eee ende eI eee va dines 3 25 3 7 5 LOCAL SERIAL Port Connections 3 25 3 7 6 MAIN SERIAL Port Connections eese 3 25 3 8 SITE SPECIFIC INSTALLATION nennen tenerse 3 26 AKOPERA DION 2232 neut E HUI ui 4 1 4 1 CONNECTION AND POWER UB rennen tenen ne tener eese 4 1 GLI Connectionmz ui die eae a ip e detis E 4 2 12 Power UD o 4 2 2 1 3 Power DOWD ei 4 2 4 1 General Operatoria di 4 2 SM UNE ND R E A A RIANT 5 1 BOOT LOADER a 5 1 5 1 1 Uploading Application Firmware seen 5 3 5 2 BOOT LOADER INITIALIZATION eeeeeeeettr eene eee en nni 5 6 5 3 APPLICATION FIRMWARE cernere nnne ennh hehehe nr sese
43. O o deco cadiz Figure 6 10 Hardware Status Window ccessesessceseesseceseceeeceneeseceseceaecaeeeaeeeneeseeeaees Figure 6 11 State of Health Status Window eese entente einen Figure 6 12 GPS Status Window GPS Disabled sse Figure 6 13 GPS Status Window GPS Enabled sse Figure 6 14 Drive Status WindoW ad doren Figure 6 15 Command Window is A davtagandescsecsrvsaveees Figure 6 16 Power Down Drive Command eterne ttes einen eain viii Figure 6 17 Figure 6 18 Figure 6 19 Figure 6 20 Figure 6 21 Figure 6 22 Figure 6 23 Figure 6 24 Figure 6 25 Figure 6 26 Figure 6 27 Figure 6 28 Figure 6 29 Figure 6 30 Figure 6 31 Figure 6 32 Figure 6 33 Figure 6 34 Figure 6 35 Figure 6 36 Figure 6 37 Figure 6 38 Figure 6 39 Figure 6 40 Figure 6 41 Figure 6 42 Figure 6 43 Figure 6 44 Introduction Ac q isition Command VE 6 15 Relays Commandin e e nret e pot ter E Atte a E 6 16 Real Time Data to PC Command iras 6 17 Communications Configuration sess 6 18 Channels ConfPipurati T s odo Lone eee n dre Eee diu odo ees 6 20 Time Configuration 6 21 Event Trigger Configuration c pde sorteo m d edu pneter ies 6 23 Level Detector Confi9utatiofi ia oe ei eere reet respi nre idos 6 24 STA LTA Detector Configuration 6 25 Immediate Calibration Control 4 2
44. ORY and TIME LED displays on and off The POWER LED is not effected It can be disabled by removing jumper W13 on the CIO board This command has simple On and Off parameters associated with it 6 16 Utility Software 6 1 3 4 3 10 Real Time Data to PC The Real Time Data to PC command allows the user to select whether data is transmitted in near real time over the serial port link If enabled real time data must share the port bandwidth with other command response activity as well as operator controlled data file uploads During data file uploads data transfer rates can be improved by disabling real time data flow Figure 6 19 shows the Real Time Data to PC command screen To exercise either option simply select the appropriate option then send the EXECUTE command Command 121 x Cold Reset Warm Reset Power Off Flush Data Power Down Drive Acquisition Relays Vpp Supply LED Display Real Time Data to PC C Start Real Time Data to PC EXECUTE CLOSE HELP Figure 6 19 Real Time Data to PC Command 6 1 3 4 4 Configuration Selecting the Configuration item from the Functions menu displays the Configuration window as shown in Figure 6 20 Initially this window displays the communications configuration tab All parameters displayed are the current settings of the connected DL 24 To send a configuration to a DL 24 all parameters on all tabs should first be set as required The user then clicks the SEND button
45. Short to select a shorted input to ground as the input to the digitizer Each channel can be independently controlled The Enable check box must be checked for that channel s relays to be set Note that once set the relays will remain in that state until reset by the user or at the completion of a calibration cycle At the end of each programmed calibration the input relays are always automatically set back to the signal input path The loopback input would not be selected in normal operations This input is normally used and controlled by the calibrator board 6 15 DL 24 Data Recorder User s Manual Command AES Cold Reset Warm Reset Power Off Flush Data Power Down Drive Acquisition Relays Vpp Supply LED Display Real Time Data to PC Channel Enable Sig L B Short 1 E oO Y e 21 ga 9 00 30 m oso EXECUTE CLOSE HELP Figure 6 18 Relays Command 6 1 3 4 3 8 Vpp Supply Command The Vpp Supply command causes the DL 24 to turn on its Vpp FLASH ROM programming voltage for test The Vpp voltage will be turned on to allow the user to check its voltage output in the state of health status window A two minute timer is started at the end of which the Vpp voltage will automatically be turned off The user does not have to explicitly turn it off This command has simple On and Off parameters associated with it 6 1 3 4 3 9 LED Display Command The LED Display command allows the user to turn the STATUS MEM
46. a source of noise Inside the unit most of the DL 24 electronics are housed in a five slot card cage This card cage provides mechanical support for the DL 24 PC cards as well as EMI RFI shielding between the analog and digital sections of the hardware Space is provided for the installation of optional PCMCIA modems and disk storage as well as SCSI disk storage in drive bay located in the front panel 1 2 2 Mother Board The mother board MB part number 990 60055 0101 is a passive backplane that provides the interconnections between the main DL 24 PC cards It provides five card edge type connectors as well as the main grounding point between the electronics and the enclosure 1 2 CH 1 28 3 CH 4 5 amp 6 CAL 60227 60419 PCMCIA SLOT 3 MOTHER BOARD 60055 PCMCIA SCSI 60378 PCMCIA SLOT 2 PCMCIA SLOT 1 General Information CH 1 CH 2 CH 3 ANALOG I O PORTS CH4 CH5 CH 6 CONNECTOR 1 O BOARD 60362 MAIN SERIAL PORT COMM LINK LOCAL SERIAL PORT 1 0 PORT GPS PORT POWER INPUT Figure 1 2 DL 24 Block Diagram DL 24 Data Recorder User s Manual 1 2 3 Power Board The power board PWR part number 990 60306 0101 provides the main regulated power supplies for the system Its input is the external 12V main input voltage The PWR board then produces the system 5V and 15V regulated supplies from the external input voltage 1 2 4 CPU Board The CPU board part
47. al OF x File Edit View Call Transfer Help Geotech Instruments LLC D Series Boot Loader Version 3 83 Serial Number 1168 WARNING Application code will be erased t t Please confirm YES NO gt yes Enabling UPP Erasing FLASH FLASH erase successful ou your Amodem upload Xmodem upload complete Any key to continue Connected 0 58 37 ANSI 38400 amp N 1 SCROLL CAPS NUM Capture Print echo ES Figure 5 5 Upload Complete DL 24 Data Recorder User s Manual Note that for major revisions of the DL 24 firmware the programmable configuration parameter format may change If this is the case and the stored parameters do not match the format of the new firmware they will be automatically reset to the factory default configuration 5 2 BOOT LOADER INITIALIZATION At some point in time it may become necessary to update the boot loader program itself In this case the user must upload a special boot loader initialization program replacing the application firmware and defeat the hardware lock on the boot sector of the FLASH ROM The boot loader initialization program BTIRVxxx HEX where xxx is the version number can be uploaded to the DL 24 exactly as described in Section 5 1 The jumper on the CPU board that defeats the hardware lock on the FLASH ROM is not readily accessible as installed in the unit It is recommended that a single pole double throw switch with
48. ation The Time tab displays the configuration of time synchronization mode in the DL 24 as shown in Figure 6 22 It also allows the user to manually set the DL 24 internal time Configuration HE Communications Channels Time Triggers Tak cee GPS Cycle Time o Seconds C None Drift Compensation fp uSec day C Ext Tops Jam Set Threshold 10 mSec BPS Minimum Correction fo uSec Time Set month day year hour min sec hn 2p 2000 34 15 n g Send CLOSE HELP Figure 6 22 Time Configuration The parameter functions of this window are as follows Sync Mode Sets the time synchronization mode used None The DL 24 is free running 6 21 DL 24 Data Recorder User s Manual GPS Cycle Time Ext IPPS The DL 24 synchronizes to the external 1PPS input on pin U of the INPUT OUTPUT connector The user must manually set the time GPS The DL 24 synchronizes to the connected GPS 1 receiver and automatically set its time to UTC time If the GPS mode is enabled this parameter sets the power cycle time of the GPS receiver If set to 0 the GPS receiver will always be turned on For any other value up to 4294967295 seconds approximately 136 years after synchronizing the DL 24 the GPS receiver will be turned off for the specified time At that time the GPS receiver will be turned again for a synchronization cycle This cycle will repeat indefinitely This value should be
49. battery The external battery input allows for the connection of a backup battery Connection External circular connector type mating connector Souriau type 851 06JC 10 6850 Signals Table 3 5 on the previous page gives the POWER connector pin assignments and descriptions Table 3 5 POWER Connector Pins SIGNAL DESCRIPTION Power and chassis ground External 12V battery connection fused at 5 amps External power or charger input 10 to 15 V DC fused at 5 amps 3 6 16 INPUT OUTPUT Connector Purpose The INPUT OUTPUT connector provides miscellaneous I O such as the local user serial port six multi purpose I O lines whose use is determined by the internal setup of the unit external 1PPS input output external event input output and a spare state of health input channel Six telecom lines are also provided whose use is determined by optional internal connections Connection External circular connector type mating connector Souriau type 851 06JC 14 18P50 3 16 Installation Signals Table 3 6 gives the INPUT OUTPUT connector pin assignments and descriptions Table 3 6 INPUT OUTPUT Connector Pins SIGNAL DESCRIPTION TELE3 Optional telecom line for PCMCIA modem NES TELE1 Optional telecom line for PCMCIA modem 5 V DC regulated EN Local port RX input RS 232 EX Local port RTS output RS 232 1PPS output open collector output falling edge 25 mS pulse EN TELES Optional telecom
50. c range and noise performance of the channel For example a gain of 256 at 125 sps will reduce the dynamic range to approximately 100 dB For best system accuracy a correction factor based on the selected sample rate must be applied to the nominal LSB bit weight This correction factor is used to compensate for the fact that the reference voltage to the ADC varies slightly with the sample rate The DL 24 uses 5 different master clock frequencies to generate the various output sample rates As the master clock frequency changes the input impedance of the reference voltage input also changes This change however is very predictable from channel to channel and unit to unit so a standard set of correction factors has been determined as shown in Table 3 1 Table 3 1 DL 24 Sample Rate Correction Factors Primary Sample Rates Correction Factor 1000 500 250 125 0 989556 120 60 0 990000 200 100 50 0 991556 80 40 20 0 996667 0 998444 3 5 DL 24 Data Recorder O amp M Manual Table 3 2 summarizes the corrected LSB weights for each sample rate when using the factory default 1 13 KQ gain resistor Table 3 2 DL 24 Corrected LSB Weights for 60053 amp 60054 ADC Boards Sample Rate Nominal LSB Correction Factor Corrected LSB 3 790222 x 10 0 998444 3 784324 x 10 3 790222 x 10 0 996667 3 777589 x 10 3 790222 x 10 0 996667 3 777589 x 10 3 790222 x 10 0 991556 3 758217 x 10 60 3 790222x 10 0 990000 3 752320 x 10 8
51. ch Instruments LLC D Series Boot Loader Version 3 83 Serial Number 1168 WARNING Application tode vill be erased Please confirm YES NO Connected 0 33 30 ANSI a84008N 1 SCROLL CAPS NUM Capture Print echo y Figure 5 2 Upload Confirmation Once confirmed the boot loader will enable the Vpp programming voltage erase the old application firmware from the FLASH ROM and then wait for the user to start the Xmodem file transfer process as shown in Figure 5 3 5 3 DL 24 Data Recorder User s Manual D Series HyperT erminal OF x File Edit View Call Transfer Help Geotech Instruments LLC D Series Boot Loader Version 3 83 Serial Number 1168 WARNING Application code will be erased Please confirm CYES NO gt yes Enabling UPP Erasing FLASH FLASH erase successful your Xmodem upload Connected 0 42 19 ANSI 38400801 SCROLL CAPS NUM Capture Print echo Z Figure 5 3 Upload Process The user should wait until the first C prompt is displayed before starting the Xmodem upload process on the PC computer The boot loader will then send the C prompt this is the start signal for a Xmodem CRC transfer once every ten seconds It will make ten attempts to start the transfer thus the user has approximately 100 seconds to start the Xmodem transfer on his side Once the first C prompt is given the upload or file send command shou
52. clusion of that data channel in the data stream Uninstalled hardware channels are indicated by grayed out check boxes Data will be present for selected data channels only if the channel is also configured under the Channels tab 6 1 3 4 4 2 Channels Configuration The Channels tab displays the configuration of each digitizer channel in the DL 24 as shown in Figure 6 21 Configuration 24 x Communications Channels Time Triggers Channel Primary Secondary Number Enabled Sample Rate Sample Rate 1 Iv 5 v 10 F 2 Iv 50 10 3 Iv Bo 10 4 E 50 gt 10 gt 5 E 50 10 6 El 50 10 CLOSE HELP Figure 6 21 Channels Configuration 6 20 Utility Software Each available channel installed in a DL 24 will be displayed in this window and can be independently enabled or disabled using the Enabled check boxes checked for enabled The sample rate both a primary and secondary can also be selected in this window Note that in the DL 24 channels 1 2 and 3 must all be at the same sample rate and are selectable only through parameter entry via the channel 1 selection If installed channels 4 5 and 6 must also be at the same primary sample rate although they may differ from the primary rate for the channel 1 3 group Secondary sample rate selection follows the same rules as the primary sample rates Pull down windows for each sample rate selection option provide a list of acceptable entries 6 1 3 4 4 3 Time Configur
53. ctors and top cover 3 5 1 2 GPS 1 Receiver Location If the optional GPS 1 receiver is to be installed with the DL 24 its location is very important The GPS 1 must be installed in an outdoors area with as close to an unobstructed 180 view of the sky as possible horizon to horizon Any obstructions buildings trees etc will reduce the probability of finding enough GPS satellites to obtain a lock This will cause the GPS 1 to remain powered up longer without locking thus increasing average power consumption and time synchronization drift The GPS 1 receiver is supplied with a standard 50 foot length of cable The DL 24 therefore must be located close enough to a suitable GPS 1 location for the connecting cable to reach The GPS 1 cable can be extended to 200 feet if necessary using a seven conductor cable Lengths longer than 200 feet are not recommended See Appendix D for a diagram of the GPS 1 cabling The GPS 1 has a female 3 4 inch 14 NPT spigot on its bottom surface for mounting 3 6 CONTROLS INDICATORS AND CONNECTORS Figures 3 5 and 3 6 show the DL 24 controls indicators and connectors described in the following sections 3 10 SCSI ACTIVITY LED PCMCIA ACTIVITY LED PCMCIA SLOT 2 EJECTOR PCMCIA SLOTS 1 amp 2 PCMCIA SLOT 1 EJECTOR PCMCIA MODEM TELCO fF 8 E 8 N GEOTECH INSTRUMENTS LLC O STATUS TIME MEMORY POWER amp Q up
54. cts this problem HyperTerminal Private Edition Version 3 or above is available at www hilgraeve com or their BBS at 313 243 9957 USA number It also available at Geotech s FTP server site at ftp ftp geoinstr com pub hyperterm Please upgrade to this version if you are using Windows 95 After connecting the DL 24 to the PC computer the communications program used should be set as follows e Baud rate set to 38400 baud 8 bit no parity 1 stop bit and no flow control e ANSI terminal emulation enabled e Xmodem CRC file transfers e Direct to COM port operation no modem DL 24 Data Recorder User s Manual Once properly configured start the communications program on the PC computer To activate the boot loader in the DL 24 the user must press and hold the USER touch pad button on the Status Control panel while pressing and releasing the ON RESET touch pad button to reset the unit The USER touch pad button should be held until the STATUS MEMORY and TIME LEDs on the Status Control panel are all illuminated red After a brief initialization period the DL 24 should display the boot loader menu as shown in Figure 5 1 The current boot loader version number is displayed along with the unit s serial number D Series HyperTerminal OF ES File Edit View Call Transfer Help Geotech Instruments LLC D Series Boot Loader Version 3 83 Serial Number 1168 COMMANDS UPLOAD START ERASE REBOOT CLR POT Select
55. dc to 15 Vdc following the external power input minus approximately 0 5 Vdc due to some diode voltage drops It is also transient protected and fused at 2 amps total for all sensor connectors plus that used internally by the DL 24 by F3 on the CIO board The user is responsible for any voltage regulation required when using this power output Regulated 15 Vdc outputs are supplied on pins D 15V and F 15V These outputs should be limited to 30 mA each supply on each sensor connector Power return ground for the above is on pin E 3 22 Installation 3 7 3 INPUT OUTPUT Connections The INPUT OUTPUT connector provides various functions as described in the following sections 3 7 3 1 Local Serial Port The local serial port pins C D E H P amp R of the INPUT OUTPUT connector may be used as the direct connection to a PC for setup purposes These signals are also available in parallel at the LOCAL SERIAL port connector Figure 3 7 shows the required connection to a PC when using the local serial port pins on the INPUT OUTPUT connector PC DB 25 DB 25 Female Serial Port Connec tor gt 1 gt TX gt 2 gt RX gt 3 gt RTS gt 4 4 CTS gt 5 gt _ DSR gt 6 gt GND gt DCD gt 8 gt 4 6J 14 18P INPUT OUTPUT Sor l 21 H GND 12 D RX gt 13 R TX 14 gt P CTS gt 15 E RTS gt 16 gt 2 17 gt gt 18
56. dow displays the Cold Reset command To send a command to a DL 24 the user first selects the desired command by clicking on its tab Parameters if applicable for the command will be displayed and should be set as needed The command is then sent to the connected DL 24 by clicking the EXECUTE button The progress indicator will then appear indicating if the command was accepted or rejected by the DL 24 6 1 3 4 3 1 Cold Reset Command The Cold Reset command causes the DL 24 to perform a complete hardware and firmware reset This is effectively the same as cycling power to the unit Note that using this command will cause a time synchronization loss and the unit will have to re lock to an external time reference This command does not have any parameters associated with it 6 1 3 4 3 2 Warm Reset Command The Warm Reset command causes the DL 24 to perform a firmware reset Using this command will reset the firmware It will not however cause a time synchronization loss and unit will quickly report that it is in a lock condition Another important function of 6 12 Utility Software this command is that it causes an ADC offset calibration to be performed that will null out any ADC board preamplifier offsets This command does not have any parameters associated with it Command HES Acquisition Relays Vpp Supply LED Display Real Time Data to PC Cold Reset Wam Reset Power Off Flush Data PowerDown Drive EXECUTE CLOSE
57. drives etc Connection External circular connector type mating connector Souriau type 851 06JC 12 10PW50 Signals Table 3 9 gives the Main Serial port connector pin assignments and descriptions 3 19 DL 24 Data Recorder O amp M Manual Table 3 9 Main Serial Port Connector Pins SIGNAL DESCRIPTION NC Main port CTS input RS 232 E Main port RX input RS 232 3 7 GENERAL INSTALLATION This section covers general installation and connection topics 3 7 1 Power Connections Power connections to the DL 24 are made via the external POWER connection at either the external battery or charger input pins or both as described in the following sections 3 7 1 1 External Power Input Main power is delivered to the DL 24 via the external power input pins pins E amp F of the POWER connector This input is nominally 12 Vdc with respect to ground It is transient protected and fused at 5 amps by F4 on the CIO board In addition or alternately an external battery supply may be connected at pins B amp C ofthe POWER connector Pins A amp D of the power input connector serve as the negative input or power return for either input The DL 24 will operate normally with input voltages from 10 Vdc to 15 Vdc and will automatically turn itself off when the input voltage falls below 10 Vdc Under this condition and if jumper W14 on the CIO is installed the DL 24 will restart itself when the external power input returns to greater t
58. ecording event data Acceptable parameters are drive letters B C D or E as installed If for some reason the user selected drive is not available the DL 24 will find the largest available drive and record the data files to it This is an attempt to prevent loss of data in a configuration error condition The user selects the number of votes this channel has in the event declaration process Values may range from 10 to 10 for each channel This allows for and or and not logical combinations All votes are added up and must meet the Total Event Votes parameter to trigger an event Allows users to specify which installed channels will be recorded in the continuous record mode Event record data can include either Primary sample rate data or Secondary sample rate data or both for each configured channel rc PRE EVENT TRIGGER POST EVENT MAX EVENT DETRIGGER Figure 6 32 Event Window Parameters 6 37 DL 24 Data Recorder User s Manual 6 1 3 4 6 4 Window Recording Window recording allows the user to establish up to 16 defined time windows during which continuous or event record functions are active Window continuous record mode will be enabled during the specified time window using all other parameters of the Continuous record mode set up Similarly the window event record mode is active whenever all conditions of the event record configuration are met and fall within the current window definition The Window rec
59. ed calibration with regard to the start time duration interval and repetition values The DL 24 will calculate past repetitions that should have run and account for these Thus if the start time is set some time in the past where 5 of 10 defined repetitions should have already run the DL 24 will remove these and only five more repetitions will be run If all repetitions should have been run in the past the DL 24 will automatically disable that scheduled calibration e Ifan immediate calibration is already running when a scheduled calibration is scheduled to start the scheduled calibration will not run and that scheduled repetition will be removed Conversely if a scheduled calibration is running when an immediate calibration command is sent to the DL 24 the immediate calibration command will be rejected e Iftwo or more calibrations are scheduled to start at the same time only the first one found in the table will be run The table is searched from index 0 to index 31 The other overlapping calibration repetitions will be removed e Iftwo or more calibrations overlap in time the first one started has priority The other overlapping calibration repetitions will not be run even if they where to run longer than the first one running Those repetitions will be removed A scheduled calibration can be disabled by selecting the appropriate index selecting Disable and then clicking the SEND button If that particular scheduled calibration is run
60. ee Figure 6 40 The Channel Selection bar will display all available channels in the connected DL 24 and allows the user to select which channels are displayed 6 1 3 5 1 2 Display Three control buttons labeled Real Time Stop From File Close and Time FTT are provided on the left side of the window to control its operation Real Time Stop This controls the display of real time data received from the DL 24 When this button is labeled Real Time clicking this button causes display to start updating in real time While the real time mode is active the button is renamed to Stop Clicking on it again will stop the window from acquiring real time data and freeze the data currently displayed The present mode of operation is displayed in the region above the three primary buttons From File Close Selecting the From File button allows the user to display previously record data files The Channel Selection bar is used to select which files and channels to display While the from file mode is active the button is renamed to Close Clicking on it again will end the display session Time FFT The Time button is used to define the horizontal in time units This mode is active when Time is displayed on the button The frequency domain is active when the button displays FFT however this function is not fully implemented at this time 6 1 3 5 1 3 Offset Two methods are used to compensate for an offset inherent to the signal Initially the di
61. elected recording window s start date HH MM SS MM DD YEAR and time HH MM SS must be defined in these fields Duration Specify the recording window duration in an hour minute second HH MM SS format Interval An interval between recording window start times may be configured in an hour minute second HH MM SS format if desired If an interval is not defined the recording window will be available only once for recording Repetitions Repetitions specifies the number of times the recording Max File Size Channels to Record window will repeat if an interval has been defined This parameter specifies a maximum file size that can be recorded for the selected recording window This parameter allows the selection of primary and or secondary sample rate channels to be recorded during the defined window for each configured data channel 6 1 3 4 6 5 State of Health Recording The State of Health recording configuration screen is shown in Figure 6 34 This screen allows the user to define a storage media for State of Health recording drives B C D or E and to enable checked or not enable unchecked specific State of Health values For each selected value to be recorded a recording sample interval from 1 to 999 seconds 6 39 DL 24 Data Recorder User s Manual Internal Recording HEI Station Name Continuous Event Window State of Health Status State of Health Channels to Record Storage Drive B
62. en is used to select D Series drives directories and files The right most area of the screen is used to designate destination drives directories and file names for the target computer In the File Format used on PC box the user can select to upload the data file in DaDiSP Seisan ASCII raw Geotech HLCP or CSS formatted data files to be written to the destination computer After setting up the file transfer parameters the upload is initiated by clicking the Retrieve File button The Delete DS File button deletes selected files from the DL 24 instrument 6 41 DL 24 Data Recorder User s Manual 6 1 3 4 8 Maintenance The Maintenance selection on the Functions pull down menu is currently not operable 6 1 3 4 9 Real Time Recording The Real Time Recording selection on the Functions pull down menu allows users to record any real time data that the DL 24 has been configured to send on the serial port connected to the PC running DS_Util Currently DS_Util can only record the real time data in DaDiSP format Figure 6 37 shows the setup screen for Real Time Recording Recording Setup x File name Folders DChant dat C Data v Enable Recording Chan11 m List files of type Drives Recording Time y S c conner 1246 E Minutes Comments A AA A A Network Help Cancel Figure 6 37 Real Time Recording Setup Screen To terminate Real Time Recording select Stop Recording from the Functions menu
63. ent de trigger Post event length is specified in seconds The max event length parameter allows the user to a maximum duration that the unit will record for any single event This parameter is define in seconds Max event length begins at the event trigger so the maximum file length will be equal to the pre event period plus max event length This parameter prevents use of excess file storage capacity for an event whose detrigger parameters are not satisfied within a reasonable time period If de trigger has not occurred when the maximum event time is reached recording will stop and additional triggers for that channel s is locked out until the system is reset by an detrigger condition This parameter specifies a time window for during which multiple triggers satisfying Total Event Votes must be declared before a true event is declared Trigger window is established as a time period in seconds adequate for a wave front to pass across the entire array of instruments included in the voting logic Total Event Votes specifies the minimum number of event trigger votes which must occur on different array elements within the Trigger Window for recording to be activated When all criteria are met all data channels enabled for event recording will be recorded for the specified time period Storage Drive Vote Channel to Record Utility Software Allows the user to specify which of the installed recording media is to be used for r
64. fis iie ie tbe dr shiv t etai de e Lacieta 3 18 Table 3 8 Local Serial Connector Pins iia cete a d onde dares les E d id wasted 3 19 Table 3 9 Main Serial Port Connector Pins ener 3 20 Table 3 10 Damping Resister Sockets aea tre i annees cox e Ex a AS IPEA ARD 3 22 Table 6 1 DS_Util Tool Bar Icons e deten ot tp eter a d cen em te PO i ets 6 2 Introduction INTRODUCTION This manual is intended for use by personnel installing configuring and operating Geotech Instruments DL 24 D Series Data Recorder The DL 24 User s Manual is written to assist the installation technician s in setting up and operatinging the hardware as well as configuring the system software Some knowledge of MS DOS and Windows based computer systems is helpful The DL 24 User s Guide is divided into several sections as follows Section 1 General information about the DL 24 Section 2 DL 24 system specifications and operating characteristics Section 3 Unpacking installation and set up procedures Section 4 Unit operation Section 5 Firmware operation Section 6 Utility software operation Warnings Cautions and Notes are used throughout the manual to highlight safety practices and to supply additional information when required A Warning is used when a risk to bodily harm is present A Caution is used when a risk to equipment is present Notes will contain additional descriptive or instructional remarks Trademark Acknowledgments The follo
65. frequency It can range from 0 1 Hz to 166 6 Hz Once complete the calibration is started by clicking the SEND button The progress indicator will then indicate if the calibration command was accepted or rejected by the DL 24 An immediate calibration that is in progress can be stopped by selecting Stop and then clicking the SEND button 6 1 3 4 5 2 Scheduled Calibration Figure 6 28 shows the Scheduled calibration tab The user must first select table index that is to be used Indices 0 through 31 are available each representing a separate scheduled calibration definition Enable is then selected to enable the parameter fields The calibration fields may then be entered as follows Channel Config Cal Signal Start Time Duration These check boxes allow the user to individually enable or disable channels for calibration They also allow the user to choose the signal path for the calibration Sensor Loopback or Short These paths are illustrated in Figure 6 27 The user can select the type of calibration signal to be generated in this field Sine Noise Pulse Random Pulse Shorted Input and Digital Output The start time and date of this scheduled calibration is entered here The duration of the calibration is entered here The units of this value can also be selected This value can range from 1 to 65535 seconds but must be less than the interval value 6 29 DL 24 Data Recorder User s Manual
66. g resistor is installed in spring loaded sockets to allow for easy replacement The digitizer is the Crystal 5321 5322 delta sigma modulator DSP chip set This board also provides for the addition of a piggyback board that provides two additional channels of 24 bit analog to digital conversion 1 2 9 ADC Piggy Back Board The ADC piggy back board ADCPB part number 990 60054 0101 or 990 60418 0101 plugs onto the main ADC board to provide two additional channels of 24 bit analog to digital conversion for the DL 24 Onboard relays allow the DL 24 to independently select either sensor loop back or grounded input paths to each digitizer A low noise preamp provides signal buffering to each digitizer and allows the user to set the gain in the range of 1 to 256 1 to 32 for the 990 60418 0101 board by installation of a single selected resistor value for each channel The gain setting resistors are installed in spring loaded sockets to allow for easy replacement The digitizer for each channel is the Crystal 5321 5322 delta sigma modulator DSP chip set 1 2 10 Connector I O Board The connector I O board CIO part number 990 60362 0101 provides external input output connections transient protection main power input power control and power switching functions for the DL 24 All external inputs outputs have transient protection and power inputs outputs are fuse protected A main power relay is used to switch power to the unit that when open will c
67. gt gt 19 gt DTR gt 205 2 21 5 225 gt 23 3 24 gt 25 PC DB 9 DB 9 Femole Serial Port Connec tor 6J 14 18P INPUT OUTPUT poco gt 127 Circuler Cenn c tor RX gt 2 AU TX 23 gt R TX DTR gt 4 D RX CND gt 5 gt H GND DSR gt 6 P CTS RTS gt E RTS CTS gt 8 0 lt lt mg A Figure 3 7 PC to DL 24 Local Serial Port Connection INPUT OUTPUT Connector 3 7 3 2 External 1PPS Input Output The external 1PPS output provides the user with the DL 24 internal one pulse per second timing mark This output is an open collector configuration that can sink approximately 5 mA to ground when active The user must provide a suitable pull up resister The falling edge of this signal is synchronous with the unit s second time boundary and it is 25 mS in duration 3 23 DL 24 Data Recorder O amp M Manual The external 1PPS input can be used to synchronize the DL 24 to an external reference This input provides a 1 KQ pull up resistor to 5V 3 7 3 3 Event Input Output The event output is currently used in conjunction with the calibration functions of the DL 24 It can be programmed to generate a signal at a specified time and duration using the calibration setup functions This output is an open collector configuration that can sink approximately 5 mA to ground when active The user must provide a suitable pull up resister The event input is used with the event detec
68. han 11 3 Vdc 3 20 Installation The Power LED displays the status of the external power input It is red when the external power input is approximately 10 000 Vdc to 12 750 Vdc It is green when above 12 750 Vdc indicating that a valid trickle charge voltage is being supplied to any connected lead acid batteries 3 7 1 2 External Battery NOTE Only 12 Vdc rechargeable lead acid or lead acid gel cell batteries should be used with the DL 24 External back up batteries can be connected to the DL 24 via pins B 8 C of the POWER connector again using pins A amp D for the power return These pins are transient protected and fused at 5 amps by F5 on the CIO board When the main external power input is above approximately 712 750 Vdc any connected batteries will receive a trickle charge from the DL 24 to maintain at full capacity Should the main external power input go away current will be drawn from the batteries to power the DL 24 until the battery voltage drops to 10 000 Vdc at which time it will turn itself off 3 7 2 Analog Input Connections Sensor inputs to the DL 24 are made via the channel input connectors CHANNEL 1 through CHANNEL 6 3 7 2 1 Analog Signal Input Each channel input connector provides for analog input on pins G input and H input Pin K can be used for a foil shield on the analog input pair This input pair can be used in differential or single ended modes If the DL 24 is using 990 60053 0101 and
69. ion Connected 0 02 18 ANSI 2840081 SCROLL CAPS NUM Capture Print echo Z Figure 5 1 Boot Loader Menu The boot loader menu selections are as follows 1 UPLOAD Initiates the application firmware upload and update process This procedure will be discussed in further detail below 2 START Causes the DL 24 to try to start the application code The CRC of the application firmware is checked and if it passes control is passed to the application firmware 3 ERASE Erases the current application firmware stored in FLASH ROM The DL 24 will then automatically enter the boot loader when powered up or reset Firmware 4 REBOOT Causes the DL 24 to do a hard reset and re initialize all hardware 5 CLR Clears the stored software parameter area This causes the application firmware to initialize all programmable configuration parameters to factory defaults This command can be used to reset the DL 24 to a known configuration 6 POT Resets the VCO frequency digital adjust pots to their center positions This command can be used if having problems with the DL 24 synchronizing to the GPS 1 receiver to set the pots to a known condition 5 1 1 Uploading Application Firmware Entering the menu command UPLOAD starts the application firmware upload process The user is first asked to confirm the operation as shown in Figure 5 2 D Series HyperTerminal OF ES File Edit View Call Transfer Help Geote
70. ired gain setting R 1 12275xG where R is the resistor value in KQ and G is the desired gain Once calculated select the nearest 1 or 0 5 standard resistor value to the calculated value and install Fa ASSY REV MN u4 C22 po UP le C2 us ART REV A ct6 N s n MIN sE US Fur F 990 60053 01 MN RI5 RM RIS IL R9 we wo 1 CI J8 a X ES3 C29 Ss C30 SSS R16 A loa y y GAIN SETTING RESISTOR E5 to E6 Figure 3 1 60053 ADC Board Gain Resistor Location DL 24 Data Recorder O amp M Manual GAIN SETTING RESISTOR E5 to E6 J3 Tmm No H CR5 EN H CR6 p CR7 C8 R10 CTICR8 O E8 990 60054 0101 ASSY REV ERES ART REV A S N E6 a E ooo
71. ition to the application firmware the initialization parameters for the onboard programmable logic are also stored in the FLASH ROM and downloaded with the application firmware This allows for dynamic hardware configuration to provide special General Information application functions and to correct logic bugs in the field without opening up the unit in the unlikely event a problem should arise If the optional DSP board is used its firmware is also stored in the FLASH ROM and downloaded with the main CPU application firmware Again this allows the DSP code to be easily updated as necessary 1 3 SUPPLIED EQUIPMENT The following items are typically supplied with a DL 24 a DL 24 configured per customer s specifications this includes the GPS 1 receiver additional ADC channels calibration board etc b DL 24 Mating connector kit c DL 24 User s Manual d DL 24 Software Disk with utility software and application files DL 24 Data Recorder User s Manual This page intentionally left blank 1 10 Specifications Section 2 2 SPECIFICATIONS 2 1 DATA ACQUISITION 2 1 1 Number of Inputs 1 3 4 or 6 channels 2 1 2 Input Type Balanced differential with transient protection suitable for active sensors and passive sensors using the 990 60417 0101 and 990 60418 0101 ADC boards 2 1 3 Input Impedance 990 60053 0101 and 990 60054 0101 ADC Boards 9 98K ohms differential 4 99K ohms single ended 990 60417 0101 and
72. ive automatically restores power to that drive The Power Down Drive command screen is shown in Figure 6 16 Command 24 x Acquisition Relays Vpp Supply LED Display Real Time Data to PC Cold Reset Wam Reset Power Off Flush Data Power Down Drive AAA C B PCMCIA Slot 1 C C PCMCIA Slot 2 D SCSI Drive EXECUTE CLOSE HELP Figure 6 16 Power Down Drive Command 6 1 3 4 3 6 Acquisition Command The Acquisition command causes the DL 24 to start and stop data acquisition see Figure 6 17 Selecting the Start button causes the unit to begin acquiring data Note that this is the default power up setting The unit will always power up or reset with data being 6 14 Utility Software acquired Selecting the Stop button will cause the unit to stop acquiring data All data recording and transmission in the DL 24 will be halted in this mode The DL 24 will continue to respond to commands when in the stop acquisition mode Command 121 x Cold Reset warm Reset Power Off Flush Data Power Down Drive Acquisition Relays Vpp Supply LED Display Real Time Data to PC EXECUTE CLOSE HELP Figure 6 17 Acquisition Command 6 1 3 4 3 7 Relays Command The Relays command allows the user to set the state of the ADC board s input relays see Figure 6 18 Three options for each channel are available Sig to select the normal signal input L B to select the loopback input path and
73. l Sine Immediate y Duration eo y E x p i Second 30 E c C C Amplitude 5 Volts Sine Freq 2 Hz Stat Stop C CLOSE HELP Figure 6 26 Immediate Calibration Control Two modes of calibration are provided immediate and scheduled In the immediate calibration mode the DL 24 will perform the calibration as soon as the command is received if no other calibrations are in progress If another calibration is in progress this command will be rejected In the scheduled calibration mode the DL 24 will schedule the calibration to run at some future time The user can enter the desired start time duration 6 26 Utility Software and number of repetitions so that the calibration can be repeated many times on a set schedule The scheduled mode has a table that can hold 32 separate scheduled calibration definitions In both modes the user can specify the calibration path as shown in Figure 6 27 These can be the Sensor Calibration path the Loopback Calibration path or the Short to Ground Calibration path Sensor Cal Signal OAAANo Path AEN Pre Amp 24 Bit ADC O Loopback Cal Relay Sensor Cal Path a ADC Board Short Cal Path CAL Signal Generator CAL Board Figure 6 27 Calibration Signal Paths The user also selects the type of calibration signal to be generated Sine Noi
74. ld be used to start a Xmodem transfer on the PC computer side Select Xmodem CRC if this option is explicitly given The user should then send the updated HEX file provided by Geotech Instruments Updates to the DL 24 firmware can be found at Geotech s ftp server at ftp ftp geoinstr com pub d124 firmware This file will typically be named DL24Vxxx ZIP where xxx is the version number The user should unzip this file to get the HEX file suitable for downloading to the DL 24 Copying the HEX file to a hard disk will improve the transfer rate to the DL 24 Most communications programs provide a file transfer progress indication Figure 5 4 shows the file transfer progress window for HyperTerminal Firmware Sending D PROJECTS DL 24 FIRMWARE D L24V105 HEX Packet 1388 Error checking ERC Retries o Total retries o Last error File an 173k of 1157K Elapsed 00 01 16 Remaining 00 07 17 Throughput 2325 cps J cps bps Figure 5 4 File Transfer Progress The boot loader will indicate the completion of the upload process as shown in Figure 5 5 Typing any key returns the user to the main boot loader menu At this point the START command can be used to start the new application firmware or the unit can simply be turned off or reset The CLR command can be used to clear all programmable configuration parameters and return the unit to the factory default configuration if required D Series HyperTermin
75. lows the user to download updated application firmware to the DL 24 Pressing and releasing this touch pad button while the DL 24 is in normal data acquisition mode will cause the DL 24 to flush all closed data files from the internal A drive to the destination drives B C or D 3 6 4 STAUS LED Purpose Located on the status control panel this LED indicates data recording activity Normally green the LED will illuminate solid red whenever data is being recorded 3 12 Installation 3 6 5 MEMORY LED Purpose Located on the status control panel this LED is used as a hard disk activity indicator Normally green this LED will flash red during any PCMCIA or SCSI hard disk access activity 3 6 6 TIME LED Purpose Located on the status control panel this LED flashes at a one second rate when the DL 24 is executing its application firmware When flashing red the unit s timing is not locked to an external source When flashing green the unit is locked and synchronized to an external source such as the GPS 1 3 6 7 POWER LED Purpose Located on the status control panel this LED is solid red when the external input power is below approximately 12 750V de and solid green when above 12 750V dc When green it indicates that a good trickle charge voltage is being supplied to any connected lead acid batteries 3 6 8 SCSI Activity LED SCSI Purpose This green LED located in the hard drive bay indicates activity of the SCSI interface hard disk
76. minimum value allowed is 0 1 seconds and the maximum is 120 seconds 6 1 3 5 1 5 View Scale The resolution of the vertical scale is controlled by the value that has been selected in the View Scale window This selection allows the user to view the waveform data in different degrees of resolution The values range from 1 to 21 A value of 1 will display all enabled channels A larger value expands the vertical grid and provides for greater resolution The elevator bar to the right of the display can be used to pan through the waveforms 6 1 3 5 1 6 Pointer Position X Second This window contains the horizontal value of where the cursor is currently pointing Y Counts This window contains vertical value of where the cursor is currently pointing The Y Count window is active only when the waveform is displayed From File or if the Real Time display has been stopped 6 45 DL 24 Data Recorder User s Manual 6 1 3 5 1 7 Display Grid The sliding control at the bottom of the control panel adjusts the intensity of the display grid markers Sliding this control all the way to the right turns off the grid markings 6 1 3 5 1 8 Time Marker A click hold and drag Time Mark vertical bar is provided to identify the exact time of a particular point on the waveform Initially this bar is positioned to the far left of the display Below the bar is a window displaying year day and time information 6 1 3 5 1 9 Waveform Window Control Posi
77. mula gives the resistor value for the desired gain setting 8 04 0 225x G 0 201 where R is the resistor value in KQ and G is the desired gain Once calculated select the nearest 1 or 0 5 standard resistor value to the calculated value and install GAIN SETTING RESISTOR E1 to E2 990 60417 01 MEM ASSY REV NNI ART REV S N BEEN O w Kuz Ca 22 cl tn 2 ss Ms E c28 a S le Caps w LS E al Mg c32 E CO CO 5 E a Figure 3 3 60417 ADC Board Gain Resistor Location 3 7 DL 24 Data Recorder O amp M Manual
78. n the CIO board application of power to the POWER connector will cause the DL 24 to automatically turn itself on If W14 is not installed pressing and releasing the ON RESET touch pad button on the Status Control panel will power the unit up The POWER LED should illuminate either red or green and the STATUS and TIME LEDs will start to alternately flash red indicating that the DL 24 is initializing itself The amount of time it takes for the DL 24 to complete initialization depends on the number of disk drives inserted and the amount of data stored on them This process could take a few minutes with a 4 Gbyte SCSI drive installed that is nearly full of data Once initialization is complete the TIME LED should begin to blink at a one second rate 4 1 3 Power Down The DL 24 can be turned off either through software command see Section 6 or by pressing and releasing the OFF touch pad button on the Status Control panel W15 on the CIO board must be installed for the OFF touch pad button to be active There is no special sequence of events in turning a DL 24 off 4 1 5 General Operation Setup control and data collection is perform via one of the serial ports Utility software as described in Section 6 can be used with a directly connected PC computer on the local serial port to setup the unit and view data As part of a larger ICP system the DL 24 can be accessed remotely via radio or modem links Refer to the ICP documentation when the DL
79. ndow Selecting the State of Health tab displays the state of health status window as shown in Figure 6 11 This window displays the current value of the unit s state of health data channels SOH10 through SOH15 are not used in the DL 24 The Exp Temp value is the temperature in the hard drive bay of the DL 24 These values can be manually refreshed by clicking on the REFRESH button Status DL 24 Data Recorder User s Manual Hardware State of Health GPS Information Drive Status Serial Number DSP Found Expansion Enabled PCMCIA Controller PC Card In Slot 1 PC Card In Slot 2 PC Card In Internal SCSI Controller SCSI Drive In Bay External Bus Enabled Calibrator Found rios YES YES YES YES No TES YES YES YES YES ADC 0 Found ADCOPB Found ADC 1 Found ADC 1 PB Found Modem On Local S P No Modem On Main S P No Modem In Slot 1 Modem In Slot 2 Modem In Internal D Series Type Software Version DL 24 for D6 Figure 6 10 Hardware Status Window Status L2 1x Hardware State of Health GPS Information Drive Status Spare 1 096 Volts Event Input Open CPU Temp 37 729 Deg C Exp Temp 7500 Deg C Vpp Supply 4 828 Volts SOH 10 N A 15V Supply 44898 Volts 50H 11 Na 15 Supply 5027 Vols 50H 12 NA 5V Supply 5 232 Volts SOH 13 N 5Y Supply 5280 Volts SOH 14 NA Ext Supply 13164 Volts SOH 15 N A REFRESH cose Figure 6 11 State of Health Status
80. ng values are calculated Nominal Gain 1 000964 Nominal LSB Weight 3 811024 x 10 volts count Nominal Full Scale 39 961483 volts peak to peak The gain resistor should be in the range of 332 KQ to 1 15 KQ corresponding to a gain range of approximately to 32 Note however that using gains of greater than 10 will degrade the dynamic range and noise performance of the channel As in the previous section for best system accuracy a correction factor based on the selected sample rate must be applied to the nominal LSB bit weight The correction factors are shown in Table 3 1 Table 3 3 summarizes the corrected LSB weights for each sample rate when using the factory default 332 KQ gain resistor Table 3 3 DL 24 Corrected LSB Weights for 60417 amp 60418 ADC Boards Sample Rate Nominal LSB Correction Factor Corrected LSB 60 3 811024 x10 0990000 377914x10 80 3s811024xt0 0996667 3 798322x10 3 9 DL 24 Data Recorder O amp M Manual For the DL 24 then the following formula is used to calculate the output voltage from a data sample Vout COUNT x Corrected LSB Weight where COUNT is the digital output 5242879 to 5242880 counts full scale 3 5 INSTALLING THE DL 24 3 5 1 Location 3 5 1 1 DL 24 Location The DL 24 is designed to be temporarily positioned on any convenient surface It may be positioned in any convenient position and orientation that provides easy access to the external conne
81. ning at the time the disable command is sent it will be stopped as well as disabled from any further scheduling 6 1 3 4 6 Internal Recording Data file recording in a DL 24 can be set up using this utility software Selecting the Internal Recording item from the Functions menu displays the recording formats available as shown in Figure 6 29 with the Station Name screen initially displayed Once the recording options are set up as desired by the user clicking on the Send button causes the new set up to be sent to the DL 24 The new set up takes effect immediately and does not cause the DL 24 to reboot Data is recorded in a Geotech internal format Conversion to additional standard formats is accomplished off line using format conversion routines Using the various record screens users can select which channels are to be recorded file size for each channel storage media to be utilized as well as additional parameters applicable to the various record modes 6 31 DL 24 Data Recorder User s Manual 6 1 3 4 6 1 Station Name The DL 24 can be assigned a four character station name for identification as shown in Figure 6 29 under the Station Name tab The station name will be recorded the header of all recorded data files The station name is used in some of the file format conversion routines This screen shows the current value of the station name The user can change this by entering a new four character string in the Editor box I
82. nternal Recording 21 x Station Name Continuous Event Window State of Health Status Editor Curent Value mn fos Figure 6 29 Station Name Configuration 6 1 3 4 6 2 Continuous Recording Figure 6 30 shows the Continuous Recording configuration screen The various configuration parameters for continuous recording are described as follows Start Mode Specifies an event or time at which data recording begins Options as listed on the pull down menu are Disabled Continuous record mode is disabled 6 32 Utility Software Immediate Data recording for selected channels begins immediately upon clicking the Send button Delayed Delays start of recording for a time period as specified in a Start Delay pop up window appearing when Delayed mode is selected User is prompted to enter a delay time unit Seconds Sec Minutes Min or Hours Hr and the number of units desired Start Time User is prompted for a desired future start time for continuous recording to begin The Start Time pop up window prompts for a start date and time in a MM DD YR HH MM format Internal Recording HEI Station Name Continuous Event window State of Health Status immediate 7 Channels to Record aether Channel Primary Secondary File Size 30 Y Min 1 Iv Iv Storage Drive B Y 2 Iv Iv Iv Buffer Full Mode Ring Buffer z 4 mi E Max Space to use 100 MB 5 r
83. ompletely disconnect the DL 24 from the external power input and or batteries This board allows for the connection of external batteries that will be charged lead acid types only when the appropriate voltage is 1 5 DL 24 Data Recorder User s Manual applied to the main power input connector Power monitoring circuitry automatically turns the DL 24 off if the input voltage level falls below approximately 10 2 Vdc If the DL 24 is being powered via the main de power connector charger input the unit will automatically start restart whenever the voltage level reaches approximately 11 5 Vdc When powered only via the external battery connector the unit will automatically shut down as above but restart can only be accomplished manually by depresisng the ON RESET touch pad 1 2 11 Controls Indicators and Connectors All controls and indicators are provided on the operator interface panel accessable with the DL 24 case lid open or removed Status Control Panel PCMCIA Modem Telco Connector PCMCIA Card Slots PCMCIA Activity LED SCSI Activity LED e amp pos ch AR R GEOTECH INSTRUM NTS LLC amp y y O STATUS G TIME amp 9 9 B ld O MEMORY O POWER D T 4 da e S g F a X J DD e E DL 24 Data Recorder g A y
84. ord configuration screen is shown in Figure 6 33 and described in the following paragraphs Internal Recording HES Station Name Continuous Event Window State of Health Status Window fi Storage Drive E y Window Enabled Iv Channel to Record Continuous I Channel Primary Secondary Start Time 1 MM DD YEAR HH MM SS r efr v foo 24 fo fo fo Duration n o jo g Interval 4 lo fo Repetitions 55 Max File Size 3500 Seconds y Send Close Help Figure 6 33 Window Record Setup Window Window Allows configuration of up to 16 time windows for data recording The user should select the desired window to edit Storage Allows the user to specify which of the installed recording Drive media is to be used for recording event data Acceptable parameters are drive letters B C D or E as installed If for some reason the user selected drive is not available the 6 38 Utility Software DL 24 will find the largest available drive and record the data files to it This is an attempt to prevent loss of data in a configuration error condition Window The selected recording window is enabled if checked Enabled Window Window Mode allows the user to select either continuous or Mode event recording during the defined recording window The selected recording mode must be configured per the appropriate configurations in preceding sections MM DD YEAR The s
85. ose is to monitor the start up sequence of the DL 24 and to allow the user to download updated application firmware to the unit It first initializes the DL 24 hardware and then looks to see if valid application firmware is installed in the unit If so it passes control to the application software and the DL 24 starts operating normally If not it enters the boot loader mode and waits for application code to be downloaded to it The user can override this process by pressing and holding down the yellow USER touch pad switch on the front panel during the reset process This forces the DL 24 into the boot loader mode so new application code can be downloaded to it Once operating the DL 24 is setup and operated through communications via one of the serial ports either locally by a PC directly connected to the DL 24 or remotely over a serial telemetry link Windows compatible utility software running on the local PC or on the remote host system is used to easily setup operate and display data from a DL 24 All configuration parameters are stored in non volatile memory so that the DL 24 will automatically start up with the saved operating parameters each time it is turned on 1 2 13 Updates All application firmware is stored in FLASH ROM in the DL 24 This firmware can easily be updated by simply connecting a PC to the unit and downloading a HEX file to it without opening up the unit In some applications this can be done remotely as well In add
86. plays the DS_Util version box Help Provides help on a selected item Utility Software 6 1 3 2 File Menu The File menu item has the selections shown in Figure 6 2 when it is selected View Help lt T Connect to COM Port Data File Display Translate EXIT Exit Figure 6 2 File Menu 6 1 3 2 1 Connect to COM Port This function initiates the serial port connection process to the DL 24 Before any type of operation can be preformed on a DL 24 this function or the corresponding tool bar function must be used to establish a connection to 1t The CONNECT window as shown in Figure 6 3 will be displayed when this function is selected CONNECT com COMI 9600 DIALOUT gt gt Figure 6 3 CONNECT Window If using a direct serial cable connection to the DL 24 the DIRECT button is used to establish the connection The user should select the PC communications port that the DL 24 is connected to and then click on the DIRECT button When selected the program will autobaud to find the baud rate that the DL 24 is set up to communicate at The CANCEL button is used to terminate the connection process while the HELP button will display the associated help window DL 24 Data Recorder User s Manual The DIALOUT button can be used if a dialup modem connection is being used to communicate to the DL 24 When this button is selected the CONNECT window is expanded as shown in Figure 6 4 The u
87. ration 6 18 6 1 3 4 4 2 Channels Configuration 6 20 6 1 3 4 4 3 Time Configuration 6 21 6 1 3 4 4 4 Trigger Configuration 6 23 GAS AS Calibration ice inia 6 26 6 1 3 4 5 1 Immediate Calibration 6 28 6 1 3 4 5 2 Scheduled Calibration 6 29 6 1 3 4 6 Internal Recording miseria tet rto 6 31 6 1 3 4 6 1 Station Name venid 6 32 6 1 3 4 6 2 Continuous Recording 6 32 6 1 3 4 6 3 Event Recording ee 6 34 6 1 3 4 6 4 Window Recording 6 38 6 1 3 4 6 5 State of Health Recording 6 39 6 1 3 4 6 6 Status Recording ssusse 6 41 6 1 3 4 7 File Upload niunt Point a basta 6 41 6 1 3 4 8 Maintenance au eie iret edem ii 6 42 6 1 3 4 9 Real Time Recording oos as 6 42 M BERE A O A O 6 42 6133 Data Ansi s 6 43 6 1 3 5 1 1 Channel Selection 6 44 6 1 3 5 7 DAA bee 6 44 8138130ftstt d a UR Ee ett Reagent 6 44 6 1 3 5 1 4 Time Range e ret ortis 6 45 AS IB reb ire O 6 45 6 1 3 5 1 6 Pointer POSIUOR eee 6 45 6 1 3 5 1 7 Display Ad o aoo Eton 6 46 6 1 3 5 1 8 Time MatKGES tu cse ec ne 6 46 6 1 3 5 1 9 Waveform Window Control 6 46 6 1 3 5 1 10 From File Mode 6 47 6 1 3 6 Help scutum etie diti tests ats pietati ibis 6 48 vii DL 24 Data Recorder User
88. s Manual Figure 1 1 Figure 1 2 Figure 1 3 Figure 3 1 Figure 3 3 Figure 4 1 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Boot Lock De rene a ed Figure 5 7 A e Figure 5 9 Figure 5 6 Figure 5 8 List of Figures DL 24 Data Beeotfdgdeee DE24 Block Dia DL 24 Front Panel Vi 60053 ADC Board Gain Resistor Location Figure 3 2 60417 ADC Board Gain Resistor Location eese Figure 3 4 Figure 3 5 Figure 3 6 Figure 3 7 Connector Figure 3 8 Figure 3 9 60054 ADCPB Board Gain Resistor Locations eee 60418 ADCPB Board Gain Resistor Locations DL 24 Control and Indicator LOCati0WS ooooocccnnonoccnononancnononanononnnanonononnnanos DE 24 Connector Loc A dtes ci PC to DL 24 Local Serial Port Connection INPUT OUTPUT Boot Loader Me A dass Upload Contirmati n aut dida Upload Poeesss A File Transter Progress id ads O Boot Initialization Loader esses nennen rara ra rara caracas Xmodem Hidra Figure 5 10 Initialization Complete Figure 6 1 e do o dl el Figure 6 3 CONNECT Window Using Dial Utica adsl Figure 6 5 Figure 6 6 Figure 6 7 Figure 6 8 Figure 6 9 Figure 6 2 Figure 6 4 D Series Utility Display Window seen CONNECT WiINdOW p s da Phone Tist A Menu Items After Connectlori ect ta dl Ele Translate WW IA Wy Gu ess ibo D tis A A Functions II
89. s and a gain of 1 is 4 75 microvolts RMS 1 25 counts RMS 2 1 13 Dynamic Range Typical dynamic range performance at 100 sps and a gain of 1 is 129 dB 2 1 14 Channel to Channel Skew None 2 1 15 Calibration Calibration board provides sine wave pseudo random wide band noise and pulse functions Calibration signals can be routed either to the external sensor or looped back internally for test 2 2 TIMING 2 2 1 Type Voltage controlled TCXO with optional external GPS synchronization 2 2 2 Time Base Accuracy Internal timing synchronized to within 5 microseconds of UTC with GPS lock 2 2 3 Stability 5 ppm over full temperature range and not locked to GPS time If the unit has previously been synchronized to GPS time it will exhibit a drift rate of less than 0 5 ppm at constant temperature when unlocked 2 2 4 Data Sample Time Tag Accuracy Better than 1 millisecond of UTC with GPS lock 2 2 5 GPS Duty Cycle User programmable GPS power on off cycle times to conserve power DL 24 Data Recorder User s Manual 2 3 ACQUISITION MODES 2 3 1 Continuous User selected start time record until data storage full or ring buffer over rite oldest data modes 2 3 2 Timed 16 user programmable recording windows 2 3 3 Triggered Threshold STA LTA updating or non updating and external digital input trigger User programmable pre event post event and maximum event lengths 2 4 DATA STORAGE 2 4 1 Type PCMCIA Two externally accessible
90. s below approximately 12 750V dc and solid green when above 412 750 Vdc When green it indicates that a good trickle charge voltage is being supplied to any connected lead acid batteries SCSI LED This LED indicates activity on the SCSI removeable hard disk PCMCIA LED This LED indicates activity on a PCMCIA ATA type disk drive in either slot 1 or 2 Connectors a b CHANNEL 1 to 6 Up to six analog input connectors are provided on the DL 24 one for each ADC channel INPUT OUTPUT This connector contains miscellaneous I O such as the local user serial port six multi purpose I O lines whose use is determined by 1 7 DL 24 Data Recorder User s Manual the internal setup of the unit external 1PPS input output external event input output and a spare state of health input channel c LOCAL SERIAL This connector provides a serial interface typically used with a local laptop computer for system configuration and test d MAIN SERIAL This connector provides a full modem control serial interface typically used for interconnection with an external modem radio etc for remote configuration data retrieval e GPS Provides the connection point for the GPS 1 receiver f POWER Main power and external battery connections 1 2 12 Setup and Operation On power up the DL 24 enters its boot loader code from reset The boot loader is a small program that is permanently installed in the DL 24 s FLASH ROM Its purp
91. s disabled Event recording mode for selected channels is active immediately upon clicking the Apply button Actual recording begins upon declaration of an event as defined in section 6 1 3 4 4 4 Delays start of event recording mode for a time period as specified in a Start Delay pop up window appearing when Delayed mode is selected User is prompted to enter a delay time unit Seconds Sec Minutes Min or Hours Hr and the number of units desired Actual recording begins with the declaration of an event following the prescribed delay time 6 35 DL 24 Data Recorder User s Manual 6 36 Pre Event Length Post Event Length Max Event Length Trigger Window Total Event Votes Start Time User is prompted for a desired future start time for event recording to become active The Start Time pop up window prompts for a start date and time in a MM DD YR HH MM format Each declared event following this start time will reactivate recording for the specified channels This parameter establishes a pre defined time segment of data preceding the event declaration trigger for each recorded channel Pre event data is provided to allow the analyst to examine the event pre cursor for possible arrivals not detected by the automatic detector algorithm Pre event length is specified in seconds This parameter establishes a pre defined time segment of data to be recorded by each enabled data channel following the ev
92. se Pulse Random Pulse Shorted Input and Digital Output Sine A sine wave of the defined duration will be generated starting at the defined start time The frequency can range from 0 1 Hz to 166 6 Hz However due to digital rounding and truncation the actual output frequency will be as follows Count ot and round Count down to a whole integer input 6000 Then mL Sowa Count rounded 6 27 DL 24 Data Recorder User s Manual Noise Pulse Random Pulse Shorted Input Digital Output A pseudo random noise waveform which has a spectrum that is generally flat within the pass band of a given sample rate Generates a single pulse with a width equal to the duration value The pulse begins 5 seconds into the calibration and ends 5 seconds before the end of the calibration Thus for the pulse calibration the total calibration time is the duration value plus 10 seconds A negative amplitude value will cause a negative going pulse to be generated Produces a random pulse train that swings between amplitude for the specified duration Simple shorted input to ground calibration the short to ground signal path must be selected Uses the Event output on pin G of the INPUT OUTPUT connector to produce a digital closure to ground signal during the calibration The Event output is pulsed in the same way as the Pulse calibration signal The amplitude of the calibration signal can also be set by the user
93. ser can select a pre programmed phone number from the Phone List the associated phone number will be displayed in the Phone Number box and then click on the Dial button to start the call This function uses the standard modem setups as defined in the modem properties ofthe Windows control panel The Hangup button allows the user to end the modem connection CONNECT EAE DIRECT com CANCEL DIALOUT lt lt Phone Number DL 24 Site 2 DL 24 Site 3 555 555 5550 Figure 6 4 CONNECT Window Using Dialout The Phone List can be edited by using the Edit Phone List button When selected the Phone List Editor window shown in Figure 6 5 will be displayed This window allows the user to edit or add new phone list entries To edit an existing entry double click on it in the Name list box so that it appears in the Editor Control boxes Edit as necessary then click on the UPDATE button To add a new entry just fill in the name and number in the Editor Control boxes and click on the UPDATE button to add them to the phone list All numbers necessary to make the call should be entered such as access codes prefixes etc as well as any Hayes AT codes such as a comma for delays Utility Software Phone List Editor Al ES Current Phone Directory r Editor Control Name Number Name DL 24 Site 1 555 555 5550 p 24 Site 3 DL 24 Site 2 555 555 5551 555 555 5552 Number 555 555 5552 UPDATE OK
94. set so that the DL 24 will not drift by more than the jam set threshold during the off period Drift Compensation This field is no longer used Jam Set Threshold Once the time difference between the external 1PPS Minimum Corr Time Set 6 22 reference and the internal 1PPS time mark has been measured in the GPS mode this would only be after the GPS was locked it is compared to this threshold value If the difference is larger than the set limit a jam set of the DL 24 time base will occur This action will cause data loss If the difference is less than the set limit the DL 24 will do a slow synchronization and data will not be interrupted If this value is to large it will take a long time to synchronize If too small many jam sets may occur This field is no longer used The time set box allows the user to manually set the DL 24 s internal time The user enters the time and date in the appropriate fields and then sends the time to the DL 24 by clicking on the SEND button This action is independent of the other configuration parameters This function has no effect is the unit is in the GPS mode Utility Software 6 1 3 4 4 4 Trigger Configuration The Trigger tab displays the configuration of event trigger mode in the DL 24 as shown in Figure 6 23 Configuration 24x Communications Channels Time Triggers Channel E Mode NONE gem close HELP Figure 6 23 Event Trigger Configuration
95. setting for a channel the DL 24 must be opened up to change the gain setting resistor value on the appropriate ADC board The DL 24 has been shipped with two different types of ADC boards the 990 60053 0101 990 60054 0101 board pair that provides superior low frequency noise performance more suitable for use with broadband active sensors and the 990 60417 0101 990 60418 0101 high input impedance board pair suitable for use with all types of sensors 3 4 1 Setting the ADC Preamp Gain and LSB Bit Weight 3 4 1 1 990 60053 0101 ADC amp 990 60054 0101 ADCPB ADC Boards The user has the option to select a resistor on each ADC and ADCPB channel to set the gain of the preamp Gains from 1 to 256 may be selected and the gain setting resistor for each channel is installed in spring loaded sockets to allow for easy replacement The DL 24 is supplied with a factory default resistor value of 1 13 KQ that gives a gain of approximately 1 and a full scale of approximately 40Vp p The ADC and ADCPB boards must be removed from the DL 24 card cage to change the gain setting resistors The resistors are installed between sockets E5 to E6 on the one channel ADC 60053 board and between E9 to E10 and E11 to E12 on the two channel ADCPB 60054 board These sockets are on 0 400 inch centers Resistor leads should be pre bent to this spacing and trimmed to about 0 250 inch in length 3 2 Installation The following formula gives the resistor value for the des
96. splay offset value is set to zero To incorporate an offset into a particular display window the user can manually enter the desired offset value in the Offset field A pull down menu below this field determines which waveform the offset is being applied to When invoked the pull down window will display the channels that are active After associating the correct offset value to the appropriate station component the user must use the Spacebar key to enable the change 6 44 Utility Software To correct an offset via the mouse select the View item on the menu bar as shown in Figure 6 40 Turn on the offset adjust mode by clicking on the Offset Adjust selection in this menu When active a check mark will appear next to Offset Adjust and the mouse cursor will display the offset adjust tool when it is located over the waveform display area By clicking the left mouse button on the waveform it will be offset by the amount indicated by the position of the cursor in the direction of the horizontal axis This can be used to center the waveform for better viewing D Series Utility Analysis and Display 3k File Functions MENS Window Help gt EXIT dk Iv Toolbar Y ee E Status Bar RealTime Channel Selection Bar Stop Offset Adjust Figure 6 40 View Menu 6 1 3 5 1 4 Time Range The resolution of the horizontal scale can be changed using the Time Range control This controls the amount of data displayed in seconds The
97. t the boot lock defeat switch to the unlocked position see Figure 5 8 Type any key to continue 5 The boot initialization loader will then start its Xmodem upload sequence At the C prompt see Figure 5 9 the user should start his upload or file send process to send the new boot loader file to the DL 24 This file will typically be named BOOTVxxx HEX where xxx is the version number This process is similar to that described in Section 5 1 6 Upon completion of the file transfer the screen shown in Figure 5 10 will be displayed The user is instructed to set the boot lock defeat switch back to the normal position and hit any key to continue The system is then halted DL 24 Data Recorder User s Manual D Series HyperTerminal File Edit View Call Transfer Help Pu ES TBE Geotech Instruments D Series Boot Initialization Loader V1 66 Any key to start BOOT initialization Enabling UPP Switch BOOT protect to UPP lt short W2 pins 2 to 3 gt Any key when ready Connected 0 08 27 ANSI a84008N 1 SCROLL CAPS NUM Capture Print echo Figure 5 8 Boot Unlock D Series HyperTerminal File Edit View Call Transfer Help PII ES TBE Geotech Instruments D Series Boot Initialization Loader V1 66 Any key to start BOOT initialization Enabling UPP Switch BOOT protect to UPP lt short W2 pins 2 to 3 gt Any key when ready Erasing FLASH Flash erase successf
98. ta upon which the Filter Corner detector will operate Low Pass Establishes the upper frequency limit of input data upon which the Filter Corner detector will operate Trigger Level Establishes the signal level within the selected bandpass at which an event is declared based on a of full scale 40 Vpp The trigger level parameter is adjustable from 0 to 100 percent full scale in 1 increments Event de trigger occurs when the input level falls below the trigger threshold after first exceeding it The STA LTA detector configuration screen is shown in Figure 6 25 The STA LTA detector flags possible events based on a predetermined ratio of a short term window average STA of input amplitudes to a long term window average LTA of input amplitudes The Channel High Pass Filter Corner and Low Pass Filter Corner options are set as described in the previous paragraph All parameters must be set for each channel to be included in the event detection process 6 24 Utility Software Configuration EE Communications Channels Time Triggers Channel 1 m Mode STAALTA Y High Pass Filter Corner D Hz STA Time Constant no Sec Low Pass Filter Corner fo Hz LTA Time Constant o Sec STA LTA Trigger Ratio A STA LTA Detrigger Ratio or Updating LTA Enable v F cose HELP Figure 6 25 STA LTA Detector Configuration STA Time The length in seconds of the averaging window for the STA value Constant LTA Time
99. three small clip leads attached to it be connected to W2 on the CPU board as shown in Figure 5 6 Jumper W2 on the CPU Board Pin 1 gt Normal Position Pin 2 Boot Unlocked Pin 3 e Position SPDT Toggle Switch Figure 5 6 Boot Lock Defeat To update the boot loader firmware perform the following procedure 1 Open the DL 24 package and remove the CPU board from the card cage Remove the jumper at W2 and connect the boot lock defeat switch as shown in Figure 5 6 set to the normal position Re install the CPU board into the card cage and re connect the CPU ribbon cable to it Start the boot loader by pressing and holding the USER touch pad button on the Status Control panel while pressing and releasing the ON RESET touch pad button to reset the unit Firmware 2 Using the procedure in Section 5 1 upload the BTIRVxxx HEX file to the DL 24 3 At the boot loader main menu type in the START command to start the boot initialization program The DL 24 display should look like that shown in Figure 5 7 Type any key to start the initialization process D Series HyperT erminal A Xx File Edit View Call Transfer Help Ole e 8 so e TBE Geotech Instruments D Series Boot Initialization Loader U1 808 Any key to start BOOT initialization Connected 0 08 07 ANSI 38400 8 N 1 SCROLL CAPS NUM Capture Print echo Z Figure 5 7 Boot Initialization Loader 4 When instructed se
100. through D Drive A is the internal RAM disk drive of the DL 24 Status HE Drive Installed Drive Type Free Space Volume Label Serial Number kl B AFv PC Card RAM 1957 SRAMDISK 1018 10F9 Hardware State of Health GPS Information E P PCCadATA 5183 CALLUNAS20 DEZET807 Ton A A aem un p rm c fama SEAGATEAG D Eea E P c fama SEAGATE E reeerae0 REFRESH CLOSE Figure 6 14 Drive Status Window The Drive Status display indicates for each drive letter the following Installed Check mark indicates drive is installed Drive Type Indicates the installed media type Free Space Displays the user available data storage space in Kbytes Volume Label Indicates a media volume name if present Serial Number Indicates media device serial number 6 11 DL 24 Data Recorder User s Manual Drive descriptions are as follows Drive Letter Description Drive Type s A Internal PCMCIA RAM card B Front panel PCMCIA ATA type FLASH RAM or Slot 1 rotating media C Front panel PCMCIA ATA type FLASH RAM or Slot 2 rotating media if slot 1 is not in use If slot 1 in use for other functions then only FLASH RAM can be used in slot 2 D Removable hard disk SCSI Hard Drive 1 2Gbyte Partition E Removable hard disk SCSI Hard Drive 2 2Gbyte Partition 6 1 3 4 3 Commands Selecting the Commands item from the Functions menu displays the command window as shown in Figure 6 15 Initially this win
101. tion logic to declare an event and trigger recording An external input and be used to trigger the DL 24 The status of this input is included in the state of health function and reported as an opened or closed status on the SOH display This input provides a 1 KO pull up resistor to 5V 3 7 3 4 SOH Spare Analog Input The user can input an external analog voltage into the SOH spare input at pin J of the INPUT OUTPUT connector This input can be 10V and it has an input impedance of approximately 100 KO The digitized result will be displayed on the SOH display 3 7 3 5 Telecom Signals The telecom signals on the INPUT OUTPUT connector pins A B K L M and N are direct connections to the MODEM connector 6 pin modular phone jack in the hard disk drive bay These connections can be used to connect the line side of either an internal PCMCIA modem or network card to the outside world For modem connections an RJ11 or RJ12 four or six wire telephone cable is used to bridge between the modem modular telephone jack and the MODEM connector The INPUT OUTPUT connector pins are connected to the MODEM connector as shown in Figure 3 8 looking down into the MODEM connector When used with a modem PCMCIA card using a two wire connection pins A and M are used to connect to the telephone system MODEM Figure 3 8 MODEM to INPUT OUTPUT Connection 3 24 Installation 3 7 4 GPS Connections The GPS connector provides the interface to the GPS 1 recei
102. tioning the cursor over a waveform and clicking the right mouse button pops up the waveform window control menu as shown in Figure 6 41 This menu allows the user to control the vertical display range in counts the waveform color and the background color In the From File mode file information can also be viewed with this menu D Series Utility Analysis and Display dk File Functions View Window Help l x 2 87 DISPLAY RealTime Stop Frame Chani Curve Color bh v B4 Background Color gt 256 Status nto 1024 RE TAG 4096 ees ES DS A A 16384 65536 262K 1024K 4194K 16777K 268M 4294M second Channel Selection za On On ON MOFF morr CFF pei Y count Char Chan2 Chan3 Chan9 Chan10 Chan11 Time Ene 00 021 22 22 14 270 150 MR y Figure 6 41 Waveform Window Control Screen 6 46 Utility Software 6 1 3 5 1 10 From File Mode In the From File viewing mode the user selects files to view by clicking on the Open File button on the Channel Selection Bar as shown in Figure 6 42 Once all files are opened and the channels to be displayed are selected the user can view pan and zoom in on the displayed waveforms see Figure 6 43 Clicking on the Close button terminates the From File viewing session D Series Utility Data File Display ae File Functions View Window Help lej x qr dk amp b 9 M DISPLAY FromFile Please Select Data File 12
103. trong motion recorder instruments This modularity provides common interfaces and data formats across all D Series products This manual describes Geotech Instruments high resolution portable Data Recorder unit Model DL 24 The DL 24 is a low power Data Recorder designed to acquire and locally store high quality data from remote sites and in harsh environments This data can be acquired in event triggered continuous or windowed recording modes Alternately the device can be configured for realtime acquisition and transmission via a full modem control interface RS 232 serial port or optional PCMCIA modem card Based on the D Series family of data acquisition cards it provides high resolution and dynamic range to digitize data from up to six analog inputs The DL 24 is ideally suited for seismic monitoring or general purpose data acquisition at remote locations where local data storage is desired In the near realtime telemetry mode the Geotech Instruments Intelligent Communications Processor ICP provides an ideal companion hardware software solution for a complete easy to use 24 bit data acquisition system l e UL HP o UT as ho NE Rall Ex Figure 1 1 DL 24 Data Recorder 1 1 DL 24 Data Recorder User s Man
104. ual 1 2 DESCRIPTION OF EQUIPMENT The DL 24 is a high resolution 24 bit data acquisition instrument It is specifically designed for remote field locations where acquired data is stored locally then retrieved via hot swappable SCSI hard disk or PCMCIA cards It is housed in a rugged weather tight enclosure suitable for use in harsh environments The DL 24 can provide 1 3 4 or 6 analog input channels each having its own independent 24 bit Delta Sigma analog to digital converter ADC Data is acquired preprocessed as configured and archived on local media Other functions provided by the DL 24 include GPS time synchronization calibration and optional remote data telemetry for data retrieval and or system configuration Figure 1 2 shows a block diagram of the DL 24 Figure 1 3 shows an inside user control panel view of the DL 24 Refer to these figures for the following sections 1 2 1 Packaging The DL 24 is housed in a rugged rotationally molded polyethylene enclosure that provides protection from environmental factors such as wind rain and dirt However it is not intended to provide submersion protection and should not be installed in a location that is susceptible to flooding conditions Standard sealed circular style connectors are provided for external user connection to the unit These connectors are internally connected directly to the connector I O board CIO thus eliminating expensive wiring harnesses and cabling that could be
105. ul Start your Xmodem upload C Connected 0 09 04 ANSI 38400 8 N 1 SCROLL CAPS NUM Capture Print echo Figure 5 9 Xmodem Start Firmware D Series HyperTerminal A x File Edit View Call Transfer Help Ole sl 8 so e TBE Geotech Instruments D Series Boot Initialization Loader U1 88 Any key to start BOOT initialization Enabling UPP Switch BOOT protect to UPP short U2 pins 2 to 35 Any key when ready Erasing FLASH Flash erase successful Start your Xmodem upload cc Xmodem upload complete Writing current serial number 1 Switch BOOT protect to 5U lt short W2 pins 1 to 25 Any key when ready Connected 0 11 08 ANSI 38400 8 N 1 SCROLL CAPS NUM Capture Print echo Figure 5 10 Initialization Complete 7 Start the new boot loader by pressing and holding the USER touch pad button on the Status Control panel while pressing and releasing the ON RESET touch pad button to reset the unit 8 At the boot loader menu use the ERASE command to remove the boot initialization program or UPLOAD to restore the application code 9 Remove the boot lock defeat switch from the CPU board re install the jumper at W2 between pins 1 and 2 and reassemble the DL 24 The boot loader update procedure is now complete 5 3 APPLICATION FIRMWARE The main DL 24 application firmware is stored in FLASH ROM and is easily installed and updated
106. utable and placed on the desktop or in a convenient folder for easy access 6 1 2 Connection In order to use the utility software the host PC computer must be connected from one of its serial ports to the DL 24 s local or main serial port Refer to Section 3 for details of this connection 6 1 3 Utility Software Operation Start the utility software by double clicking on its shortcut icon The utility window as shown in Figure 6 1 will be displayed The window consists of the menu bar the tool bar the display window and the status bar at the bottom A Tip of the Day window is initially displayed unless the Show Tips on Startup check mark is removed Click on the Close button to remove the Tip of the Day window DL 24 Data Recorder User s Manual Tip of the Day Did you know Welcome to the D Series Utility Program from Geotech Instruments In order to use this program you should connect to a D Series instrument first You can do so either by using the File menu or by clicking the toolbar Connect icon Figure 6 1 D Series Utility Display Window 6 1 3 1 Tool Bar The functions shown in Table 6 1 are available on the tool bar Table 6 1 DS_Util Tool Bar Icons Connect Initiates the serial connection process to the DL 24 Exit Terminates the DS_Util program Data Analysis Opens the real time data display and analysis window Print Prints the current window About Dis
107. ver It is connector and pin compatible with and should only be used with a Geotech Instruments GPS 1 receiver and supplied cable Cable length to the GPS 1 must be limited to 200 feet or less 3 7 5 LOCAL SERIAL Port Connections The LOCAL SERIAL connector provides the RS 232 serial interface to the local setup configuration and monitor PC Figure 3 9 shows the typical connection to a PC when using the LOCAL SERIAL port connector PC DB 25 DB 25 Female Serial Port Connec tor 212 TX gt 2 RX gt RTS gt 4 gt _ CTS gt 5 gt DSR gt 6 gt GND gt 7 DCD gt 8 gt 4 6JC 1 98P5 LOCAL SERIAL Sar i Celer Connector gt 1 E GND 12 B RX gt 13 E TX 14 gt D CTS gt 15 E RTS gt 16 gt 21 5 gt 18 gt gt 19 gt DTR gt 205 gt 20 gt 22 gt gt 23 gt gt 24 gt gt 25 PC DB 9 DB 9 Femole Serial Port Connec tor 206JC 10 98P50 LOCAL SERIAL DeD gt 127 Circular Connec toc RX 22 A TX 23 gt E TX DTR gt 4 B RX GND gt 5 gt F GND DSR gt 6 D CTS RTS gt C RTS CTS gt 8 Dg Figure 3 9 PC to DL 24 LOCAL SERIAL Connector 3 7 6 MAIN SERIAL Port Connections The MAIN SERIAL connector provides a full modem control RS 232 interface for connection to an external telephone or radio telemetry modem Connector pin outs are as described in Table 3 8 This port can also
108. wing trademarks registered or not are used throughout this manual MS DOS Microsoft Corp Windows Microsoft Corp IBM International Business Machines Corp DADiSP DSP Development Corp Kermit Public Domain Crosstalk Digital Communications Associates Inc Mirror SoftKlone Distributing Corp Hayes Hayes Microcomputer Products Inc xi DL 24 Data Recorder User s Manual HANDLING PRECAUTIONS CAUTION The DL 24 contains CMOS circuitry that can be damaged by exposure to electrostatic discharges if not properly handled The following precautions should be taken when handling circuit boards to prevent possible damage xii A m duh Qa W T Leave all boards in anti static bags when not installed in an DL 24 All work should be performed at an anti static workstation Make sure all power is off and disconnected before removing boards Ground all equipment that will come in contact with the boards Ground handling personnel with a grounding wrist strap through a 1Meg ohm resistor to ground Avoid wearing synthetic fabrics particularly nylon General Information Section 1 1 GENERAL INFORMATION 1 1 PURPOSE OF EQUIPMENT Geotech Instruments D Series product line encompasses a wide range of data acquisition instrumentation Designed with modularity in mind the set of electronic cards that make up the D Series can be combined in various packaging formats to provide remote digitizer portable data recorder and s
109. y Channel Enable Sample Interval Spare Input Iv nc al cac CPU Temp v 3 Sec Vpp Supply a D Sec 15V Supply E n Sec 15 Supply n 4 Sec 5V Supply I H Sec 5 Supply C i Sec Ext Supply v nc l Sec Event Supply r ho A Sec Exp Temp E n al Sec Figure 6 34 State of Health Record Setup Window Internal Recording Station Name Continuous Event Window State of Health Status Storage Drive B y Close Help Figure 6 35 Status Record Setup Screen 6 40 Utility Software 6 1 3 4 6 6 Status Recording The Status recording configuration screen is shown in Figure 6 35 The user has only to select a Storage Drive B C D or E for Status File Recording The Status files include general operational and error messages that may be reviewed to determine how the unit is operating 6 1 3 4 7 File Upload File Upload allows the user to transfer files from the various drives and directories of the DL 24 to the connected laptop computer The File Upload screen is shown in Figure 6 36 File Upload D Series Instrument E Local Computer Accepted Drive B b Drive d m Current Dir a Current Dir BASTATUS B m File Format used on PC p DaDiSP m Co CONT C EVENT C3 WINDOW ST108RPT 001 25 12 45 22 Retrieve File Close Help Figure 6 36 File Upload Screen When transferring files the left most area of the scre

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