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1. 02 19 Output Archive Interval 01 00 03 00 Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives Y gt Formula Number 0 43 31 Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt Tf the SAT HDR GOES is selected these options are replaced by SAT HDR GOES uses Ratio Power Acquisition 0 5 Matched Y gt Note HDR GOES utilizes only one type of power reading the ratio power USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 6 3 GOES Transmitter Power Monitoring And Event Driven Alarm The GOES transmitter power monitor can only be done ifa GOES output task is already entered in the system In the previous example a GOES output task was measured for forward power In this example the reflected power is checked and resident task 100 is invoked if the reflected po wer is greater than 2 watts ADD Goes Power Acquisition Priority of Task 1 47 gt 45 Power Type 0 Forward 1 Reflected 2 VSWR lt 0 gt gt 1 Power Units 0 None 1 Watts 2 dBm lt 0 gt gt 1 Task Label gt Reflected Start Time Is About 2 Minutes Later Than RF Task 02 20 00 Interval of Acquisition Equals to the RF Task 03 00 00 Number of Samples 1 18000 lt 1 gt gt Output Data Format 0 Expone
2. VTM 99 001 VEDAS II USER S MANUAL ALCOM ATA N a CQUISITION YSTEM Valcom Limited 175 Southgate Drive P O Box 603 Guelph Ontario Canada N1H 6L3 Tel 519 824 3220 Fax 519 824 3411 Web www valcom guelph com E mail enquiries valcom guelph com USER S MANUAL REVISION PAGES LEVEL Various Various Various Various AFFECTED VEDAS II REVISION SHEET DESCRIPTION OF CHANGE Original Issue Minor grammatical corrections and additions Added sections for Campbell Scientific SAT HDR GOES Transmitter Various minor format and grammar changes Added VGOES option for HDR GOES Transmitter and updated chapter 10 Entering Acquisition Formulas Increased the address range for SDI 12 inputs and updated section 5 2 1 Direct RF Transmitter Communication Page i APPROVED 14 01 99 27 01 00 18 03 02 27 02 06 USER S MANUAL VEDAS II Page 11 SAFETY This product has been designed and tested according to International Safety Requirements To ensure safe operation and to keep the product safe the information cautions and warnings in this manual must be heeded CERTIFICATION Valcom certifies that this product met its published specifications at the time of shipment from the factory Valcom further certifies that its calibration measurements are traceable to the United States National Bureau of Standards to the extent allowed by the Bureau s calibration facility
3. Event Bits Number PCO PC4 Figure 2 5 Example Digital Sensor Connection Guide Event Counter VCC Bit Pen Shaft Encoder Bit Pen 1 GND where PC Event Bits Number PCO PC4 Note to changedirection of incrementation reverse Bit n and Bit n 1 connections Figure 2 6 Example Digital Sensor Connection Guide Shaft Encoder Digital Strobe Vec O P Sensor GND GND GND GND Figure 2 7 Example Digital Sensor Connection Guide High Speed Event USER S MANUAL VEDAS II HARD WARE CONNECTIONS 2 6 2 2 5 Power battery The following cabling diagrams show the pin configuration of each ofthe feed through connectors found on the side panel of the Vedas II enclosure Figure 2 8 Power Cable Configuration 12 volts Power Battery Connector hu on J Ground Battery 2 2 6 Program Terminal Figure 2 9 Program Terminal Cable Configuration 1 Transmit RS 232 Program 3 Receive RS 232 Terminal 2 Ground Connector 6 2 2 7 SDI 12 Channels Figure 2 10 SDI 12 Communication Port Connector SDI 12 Data Communication Ground Port 12 Volts 2 2 8 RS 232 Port to Modem Figure 2 11 RS 232 Communication Port Connector RS 232 PORT DB 25 CONNECTOR TXD pin 2 RXD pin 3 GND pin 7 CD pin 8 RI pin 22 2 2 9 RS 232 Port to Terminal Figure 2 12 SDI 12 Expansion Box Connector RS 232 PORT DB25 CONNEC
4. Specified Task Cannot Be Calibrated Cause Solution task that does not exist or does not function Check the task and the entered value in the site calibration Cause Solution Specified Task Cannot Be Deleted The operator tried to delete a task that does not exist Review and re specify the task priority number Specified Priority Currently Exists Cause Solution Cause Solution Starting Location Was Not Found Specified Task Does Not Exist Task Is Using A Different Transition Level On This Channel Solution The operator tried to edit a task priority to a priority that already exists Review and re specify the task priority number The given starting memory location was not found Check the value of the location entered and try a Flash The operator may have entered a site calibration on a test from the diagnostics menu The operator may have requested a pulse counter task on an input that has a pulse counter task running with a different transition level rising or falling More than one pulse counter can share an input but they should have similar transition levels USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution This Is A Program Terminal Operation Cause Only Solution The operator tried to perform a program terminal only operation via the telephone interface connection The operator must physically go to the site access the VEDAS unit via the programmers port in ord
5. Table 3 2 Condensed Task Heading Descriptions 3 4 Archive Capacity gt System Uninitialized P Task Type Ch Op Next Acq Acq Intvl Latest Data 2 HIGH SPEED PCO 1 00 00 00 01 00 00 lt Label gt UNINITIALIZED 3 SERIAL 232 1 00 00 00 01 00 00 lt Label gt UNINITIALIZED a SD 12 1 0 2 00 00 00 01 00 00 lt Label gt UNINITIALIZED 49 GOES OUTPUT 123 0 00 01 00 03 00 00 lt Label gt UNINITIALIZED 50 DIAGNOSTIC 0 48 00 00 01 00 00 lt Label gt UNINITIALIZED 12 27 06 Archive Capacity gt System Uninitialized P Task Type Ch Op Next Acq Acq Intvl Latest Data 1 ANALOG 0 1 00 00 00 01 00 00 Level UNINITIALIZED 2 DIGITAL DO 0 00 00 00 01 00 00 switches UNINITIALIZED 48 ANALOG TMP 0 15 03 42 01 00 00 Card Temp 2 1035e 01 14 03 42 49 GOES OUTPUT 123 0 00 01 00 03 00 00 12345678 UNINITIALIZED 50 DIAGNOSTIC 0 155203343 01 00 00 No Errors 14 03 43 14 04 09 Archive Capacity gt 1992 07 20 P Task Type Ch Op Next Acq Acq Intvl Latest Data 1 ANALOG 2 1 15 00 00 01 00 00 Level INITIALIZED 2 DIGITAL DO 0 15 00 00 01 00 00 switches INITIALIZED 4 SDI 12 1 0 0 16 00 00 02 00 00 1 416 885 3220 INITIALIZED 48 ANALOG TMP 0 15 19 27 01 00 00 Card Temp 2 1035e 01 14 19 33 49 GOES OUTPUT 123 0 16 00 00 03 00 00 12345678 INITIALIZED 50 DIAGNOSTIC 0 P52 19734 01 00 00
6. The operator may select which option is to be used RS 232 port 0 may be used either as a sensor input port or a high speed telephone modem interface port using a Hayes compatible telephone modem RS 232 port 1 is dedicated for program terminal communications however when the program terminal is disconnected port 1 may be connected to a sensor input or a serialinterfaceto a telephone modem Please note that the serial sensor or the serial telephone interface must be disconnected when using the program terminal function or a signal contention will result The Vedas II software has been designed to fully regenerate itself each day at midnight This process insures that software errors which may have developed due to external influences are corrected at the end of the day Due to the regenerative process any task that is acquisition active during the midnight cross over is terminated and the results discarded Vedas II programmers should be aware of the process when programming the system and adjust the acquisition timing to prevent midnight violations 1 7 VEDAS II Utility Program The Vedas II utility program runs on an IB M personal computer or equivalent and has been designed to interface with the Vedas II Valcom Environmental Data Acquisition System serially viathe program terminal port or the telephone interface The Vedas II utility program allows the operator to manage a number of remote sites via a modem or to co mmunicate directly
7. This can be used in conjunction with one of the 12 volt switched outputs to create a 5 volt strobe with 100 mA output Phone Jack The Vedas II has a phone jack mounted on the connector board It is for use with the internal modem only The TIP and RING are connected directly to the internal modem and can be used for outgoing or incoming calls The internal modem will connect to a standard phone plug Do not connect an external modem to this connector RS 232 Serial Port The RS 232 port may be accessed via terminal strip connections on the connector board Another RS 232 port is also accessible via the program terminal connector and is dedicated toward terminal interface As the RS 232 port has been designed with dual purp oses the op erator must ensure that a port violation contention does not occur RS 232 port may 2 2 USER S MANUAL VEDAS II HARD WARE CONNECTIONS 2 3 be used as either a sensor input connection or as a serial interface to an external telephone Hayes compatible modem The internal modem uses the same internal hardware so only one of these can be used at a time The operator must ensure that neither an external sensor or a modem is connected to the RS 232 terminal strip when the program terminal is connected 2 2 2 8 RS 485 Serial Port The RS 485 serial port is part of the RS 232 connector The pins are marked A B with the ground pin next to it if required T his form the R S 485 interface proto col is for commu
8. and to the calibration facilities of other Intemational Standards Organization mem bers WARRANTY This Valcom pro duct is warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period Valcom will at its option either repair or replace products which prove to be defective For warranty service or repair this product must be retumed to a service facility designated by Valcom The warranty service for products installed by Valcom and certain other products designated by Valcom could however be performed at the Buyer s facility atno charge within the Valcom service travel area LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by the Buyer Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED VALCOM SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE CUSTOMER INQUIRIES Inquiries regarding the V edas II system may be made to Valcom Limited in Guelph by either phone Fax or mail Valcom Limited 175 Southgate Drive Guelph Ontario CANADA NIH 6L3 Telephone 519 824 3220 Fax 519 824 3411 e mail enquiries valcom guelph com USER S MANUAL VEDAS II Page 111 EQ
9. characters are buffered and sent as CSI Campbell Scientific Inc formatted packets after a carriage return Macros are available to send common CSI commands Direct SAT HDR GOES Communication Mode ESC to quit lt CTRL B gt to toggle hex dec mode lt CTRL D gt to send Read Config lt CTRL E gt to send Read Time lt CTRL F gt to send Transmit Random Message lt CTRL G gt to send Read Status CTRL O to send Offline lt CTRL P gt to send Online lt CTRL T gt to switch to transparent mode The Valcom VGOES transmitter provides extra diagnostic information through a text based terminal menu It can be accessed using transparent mode by pressing lt CTRL T gt Transparent Mode lt CTRL T gt lt CTR L T gt lt CTRL T gt to quit transmitter mode RUN v1 0 0 21 03 42 1 eventlog 2 system status 3 proc ess slots Exit by pressing CT RL T gt three times consecutively 5 3 USER S MANUAL VEDAS II SYSTEM UTILITIES AND DIAGNOSTICS 5 2 2 3 2 3 5 2 4 Direct SDI 12 Communication This feature allows direct communication with an SDI 12 channel All user inputs are buffered until a carriage return is received at which point the buffered message is communicated to the SDI 12 device observing thenecessary protocol requirements Refer to Appendix A 10 for further information regardingthe SDI 12 communication standard command structure Before communications commence the operator will be prompted f
10. itis activated at the next scheduled activation time minus the warm up time 2 Ifareference voltage is required the reference voltage is activated and is fed back to adedicated input in the Analog section The reference voltage is adjusted until it matches the desired level ie compensation for load 3 At the scheduled acquisition time the first sample is acquired 4 Ifareference voltage or switched 12 volt output is required and if the time to the next sample time is greater than the warm up time the reference voltage or switched 12 volt output voltage is removed and re activated at the time of the next sample minus the warm up time 5 All samples are gathered and processed according to the sample option 6 The formula number is processed 7 The calibration slope offset values are processed 8 Ifselected by the operator the acquisition value is placed in the memory archive 9 Ifthe acquisition meets the TX archive criteria the value is placed in the transmit archive 10 The next acquisition time is calculated and placed in the time queue 11 6 Digital Acquisition Task The following events occur during the execution of a digital acquisition 1 Ifa digital strobe is required itis activated at the next scheduled activation time minus the warm up time 2 At the scheduled acquisition time the first sample is acquired 3 Ifa digital strobe was required and ifthe time to the next sample time is greater than the warm up
11. 0 2c ren Default PCO The shaft encoder LSB number specifies the least significant bit number of the two shaft encoder inputs The allocated bits must be dedicated solely to the shaft encoder function PCO and PC1 are connected to the internal shaft encoder connector The choices are PCO PC1 and PC3 PCO uses PCO and PCI internally or on the connector board PC1 uses PCI and PC2 on the connector board and PC3 uses PC3 and PC4 on the connector board 4 3 3 3 1 2 Switehed 12 Volt Output 2 5 uerb rep x Ee ai peu We ace een ada Default None The switched 12 volt output allows the operator to attach a 12 volt strobe to the task If a 12 volt strobe is not required an input of 2 None is specified when programming the task Strobes 12S0 and 128 1 refer to the 12 volt strobes outputs attached to the Power Outputs on the connector board on the side of the unit The 12 volt strobe is installed on all un its 4 3 3 32 Common Task Elements sseeeeee rrr Defaults as specified Refer to Section 4 3 for a description of the reminder of the task pro gramming elements 4 9 USER S MANUAL VEDAS II ACQUISITION PROGRAM MING 4 3 3 4 High Speed Acquisition The high speed event counter consists of a high speed counter input which is gated by a known time base The base result of a high speed counter acquisition is displayed as a frequency measurement in hertz The input can be up to 200 KHz from 20 mV to 20 volts 4 3
12. 0 Data Data SDI 12 Chan 1 Figure 5 1 Terminal Strip SDI 12 Loopback Connections ERROR MESSAGES FOR SDI 12 LOOPBACK TEST Error Message Test Channel X gt Channel X Communications Test FAILED Error Code XX where the error code XX is a 2 digit hexadecimal value IXXX XXXX Received Break Only XIXX XXXX Recorded Framing Error XXIX XXXX Recorded Parity Error XXXI XXXX Recorded Overrun Error Table 5 2 Error Messages for SDI 12 Loop back Test 5 4 USER S MANUAL VEDAS II SYSTEM UTILITIES AND DIAGNOSTICS 5 5 5 2 5 Clear Archive Memory The archive me mory clear o ption allows the operator to clear all archive memory contained in the system Each memory archive bank 0 through 9 will be erased If the test returns a failed message the Vedas II unit should be marked as unserviceable and then returned to Valcom Limited for repair 5 2 6 Display Error Log This option allows the operator to view a list of errors the Vedas II hasencountered and will prompt the operator to clear the log to read No Errors 5 3 Vedas II Information This option of the diagnostics menu allows the operator to view imp ortant information about the unit Itis the easiest way to determine what resources are presentin the unit It displays informationregarding Initialization memory usage program parameters and clock corrections Italso displays information on the presence of hardware features such as 12 volt switch outp
13. 13 10 13 6 2 GOES Transmitter Power Monitoring ccc a rn 13 11 13 6 3 GOES Transmitter Power Monitoring And Event Driven Alarm 0005 13 12 13 7 Display of All Programming Examples eee ra 13 12 Section 140 GLOSSARY USER S MANUAL VEDAS II A 1 A 2 A 3 A 5a A 5b A 6 A 8 A 9 A 10 A 11 A 12 Appendices User Interface Menu Structure Vedas II Startup Sequence Error Message Index SDI 12 Error Index GOES Output Message Structure V edas II Default Format GOES Output Message Structure Customer Specific Format Memory Archive Message Structure Telephone Interface Initial Dump Format Vedas II Alarm Tutorial Vedas II Program Monitor System SDI 12 Communication Primer Operator Terminal Error Messages Vedas II Specifications Page xiii USER S MANUAL VEDAS II Page xiv Figure List Page Figure 2 1 Terminal Strip Lay out Ei X Eme e een 2 1 Figure 2 2 Example Analog Sensor Connection Guide Differential channel 2 3 Figure 2 3 Example Analog Sensor Connection Guide Single Ended channel 2 4 Figure 2 4 Example Digital Sensor Connection Guide Parallel input 00000 2 5 Figure 2 5 Example Digital Sensor Connection Guide Event Counter 0 20 00 eee 2 5 Figure 2 6 Example Digital Sensor Connection Guide Shaft Encoder 0 0 0 0 ee eee 2 5 Figure 2 7 Example Digital Se
14. 30 The GMT is the offset in hours from the location of the Vedas II to zero degrees longitude in Greenwich England 3 5 2 4 VEDAS II Configuration Menu Selection 4 Set Date Format This option allows the user to select Y M D or M D Y or D M Y The default is Y M D Year Month Day 3 5 2 5 VEDAS II Configuration Menu Selection 5 Set Error Log Modes This selection allows the operator to force the Vedas II to reset the non critical error log at midnight The default setting of NO has the error log being cumulative over time It also specifies whether or not it should record an error if it does reset the log 3 5 2 6 VEDAS II Configuration Menu Selection 6 Set Archive Memory M odes This selection allows the operator to edit the default memory archive mode of operation When the archive memory becomes full the ring option determines whether the Vedas II will start to overwrite the oldest archived data Y or whether no further data will be archived N and new data will be discarded The defaultis YES 3 5 2 7 VEDAS II configuration Menu Selection 7 Set Power Down Voltage This is the minimum input voltage level that the Vedas II will permit as normal input voltage It can be set between 9 5 volts and 11 5 volts Ifthe input voltage drops below the specified level the Vedas II will go into power down mode and stop operating The Vedas II will test the input voltage every ten seconds If the voltage has increased above the set level then t
15. 4 3 2 4 Analog Acquisition Task Programming 4 3 2411 Task Priority uiii iR dade gota gh sag Sess seh Pak Sos PE Shed eens bids pages eee tess No Default This is a value from 1 to 47 Please refer to the section on common task elements for more information 4 3 2 42 Input Typi dees hs ASA Ges es ad ea ees SA ace Ws Default 0 Differential This allows the operator to select the type of analog task required There are four alternatives 0 D ifferential 1 Sin gle Ended 2 Battery 3 Temperature The default is a differential analog input The user can also select single ended analog inputs or internal measurements of the battery voltage or the temperature 4 3 2 43 An log Input Channel 5254 224 edere ERR A A eee ee hee Default 0 or A The channel number allows the operator to select the analog input channel from which the analog measurement will be made Differential from 0 and to 6 and or A through S and A0 A3 for single ended inputs The Vedas II will prompt the operator appropriately depending on the input type selected 43 2 44 Measurement Type ee Qe dc A Reta eer soirs qup iced OG esse Default 0 Volts The Vedas II unit can measure voltage frequency or determine resistance The default is to measure voltage and convert it into a digital value for storage and calculation Vedas II also measures the frequency of an input signal refer tosection 4 3 3 4 It operates similarly to the high speed input An analog acquisiti
16. 43 6 1 2 Common Task Elements 22 26 03 cove A Beh ee REC RN pp ele e dete Sie 4 12 4 4 Scheduled Dat O tputs nor iecore ed IRR ADS eie E Ie eI ete e HR S RR RIA Reg 4 12 4 4 1 RF Transmitter Output and Power Reading eee 4 13 4 4 1 1 Task Programming 255 ie eR LER RU UR Ve pu e acq eate a Rasa 4 13 4 4 1 1 1 Task Prity ice sdb PIRE Vb pen wes aee T PROBA DINE ONDE SWpESG STRE Sis 4 13 4 4 1 1 2 RE Transmitter Type resp ieke eai RE epe p RC aed ae Desens ER reden ky LES RIDERE EEE e eg ne 4 13 4 4 1 1 3 GOES Transmission Mode colision RE REUS A MeV EEARRI ERU ATE RES 4 13 4 4 1 1 4 Transmission Preamble o 4 13 4 4 1 1 5 Transmission Window Length ita A A a EX pte e Eee sas 4 13 4 4 1 1 6 RF Transmitter data R te 4d De eee eb RI UR te Sey ead ae ee ee eds 4 13 4 4 1 1 7 Transmission Message Format 4 13 USER S MANUAL VEDAS II Page viii Table Of Contents 44 1 18 Archive GOES Update Times oes ean Ph as Fa RO ee ERS 4 13 4 4 1 1 9 Modem Sends GOES Update Time ooo 4 13 4 4 1 1 00 GOES Transmission ID Code ec sss ag aaant ety eden bras 4 14 AAT TA GMT O fiset 2 0 xem ds eris oe el ek hy Lee eae een Pb x eb etta wl 4 14 fA TAL AGMT Start Of Tr nsmiSstOn zer pe LS RR oe RR Ue eh ge ee es 4 14 4 4 1 1 13 Self Timed Transmission Interval llis rhe 4 14 4 4 1 1 14 Regular Random TEX TIr teryal sis D ROREM RE eec E diee Ed Rs 4 14 4 4 1 L 15 GOES Self timed Channel 4 ce A eR ae IURI ARR AUR RI L
17. Analog Sensor Connection Guide Single Ended Channel 2 2 3 2 Reference Voltage Channels Four reference outputs A0 Al A2 and A3 are provided for use by the analog acquisition process Each reference output has a range from 0 to 5 volts with an approximate 20 mA capacity The accuracy of the output is 2 mV The reference outputs are used to provide an excitation or energizing voltage to a sensor in order to provide an outp ut signal Each outputis short circuit protected 2 2 4 Digital Interface Connections The Vedas II digital interface is used to convert a digital signal produced by a sensor into a format which can then be processed by the Vedas II system 2 2 4 1 Digital Inputs There are a maximum of 13 digital input bits All bits have an input range of zero 0 to 5 volts 1 with respect to the GND terminal connection Some of these bits may be arranged as parallel low speed events or shaft encoder inputs Parallelinputs may start atany bit the number of bits used must be consecutive in ascending order with the LSB having the lowest bit number Low speed inputs may use any unused bit and must have an activation rate of less than 50 Hz Shaft encoder inputs may be arranged as any two consecutive bits from PCO through PC4 2 2 4 2 Digital Outputs There are a maximum of 8 digital outputs available Bits DO through D5 can be used for inputs or outputs or both Bits 6 and 7 are specified as SDI 0 and SDI 1 respectively and they can funct
18. EC ROS VAR NE p Ee RU e etd dioi 3 10 3 5 3 9 Display PCMCIA Information 3 10 3 5 3 10 Erase Eormat PEMCIA Card olia Yee ARR at AGEREM PI a Ys 3 10 3 5 3 11 Upgrade Vedas II Software From PCMCIA Card 0 ne 3 10 3 5 4 Diagnostic Menus recse cha ba rain OOS SL edie oes echo ih ead OS aa re 3 10 3 5 4 1 Direct RF Transmitter Communication eee hh 3 10 3 5 4 2 Ditect SDI I2 ia outed et RUE eh eit OAS E bias XAU tien end Ro M ex 3 10 3 5 4 3 Direct Serial Communication 0 0 eee hh 3 10 3 5 4 4 SDI 12 Communication Loopback Test 2 0 0 teen 3 10 3 5 4 5 Test Displayand Keypad cria a oes acl Ske ee dee Se Se eg S eps PE ee a 3 10 3 5 4 6 Test ELASH Saves A RS QUSS ERO AO AA aa RT a See a eT Re ea Ad 3 11 3 5 4 7 Clear Archive Memoty cs A a eines Sea Pe hee ag ed RA HE Y 3 11 3 5 4 8 Display mor LO oi dep haar este eA Gan S Biba ope RC As A EMR MEL ecto cal al Bes be ay Rene E 3 11 3 5 4 9 Display VedasIL Information 4 4 9341 up cep ed saduiwentad i oa bed te pa ue date er SES 3 11 3 5 5 Calibrate Task 2 oen Pee ti eGov a A ia necked NU CIN arden NU 3 11 Section 40 ACQUISITION PROGRAMMING 4 1 TEO UCM ii A ania ese E as IR EE Dees oS ieee ee eh AT lg 4 1 4 2 General Information ese ig Aone Bee Y Be Rae A ee me A OG EE ae E ER RU 4 1 4 2 1 Parameter Defaults A A RA Xue deh aes 4 1 USER S MANUAL VEDAS II Page vi Table Of Contents 4 2 2 GOES Update Tame ico ete AS a A A ERR Rd EE OR Na QE 4 1 4 2 3 Mi
19. EUR 4 11 4 3 4 2 1 6 Number Of Stop Bits ant RO e Cg beo doe aH CU Le RR OI A oec e ee aes 4 11 43 42 D Parity Bits oet A a EA E ERES VR ioe the EAE E a EE YR TWICE PP TR qM EE 4 11 4 3 4 2 1 8 Message Length cir ts eee Oe Sd AR ed he T A e Een edt eaedem she dd 4 11 4 3 4 2 4 9 Switclied 12 Volt O tp t nirin rm e NR e RR E Re NUR E suse A tte tpi eR Le a 4 11 43 4222 Common Fask Elements 4 eeu dade d i dg shades 4px 434 EVpeP eA YR RR aA 4 11 4 3 5 SDI 12 ACQqUISIEOTI idence ested der m eR IRR IRR dered x ede sea etc op Pe god RC e a e deg pner a 4 11 4 3 5 1 SDI Task Readings 2 0 00 3 Vuoi E EX AU Lx i e RR RUE coh RE alo ae 4 11 4 3 5 2 Task Programming id ser dade acto e tre ee te aree eto boe de eee elec Cip e eror Saez 4 11 4 3 5 2 1 Number Of Data Values epo eR eive ues ERU HU ERU BT ee es C EE 4 11 4 3 5 2 2 SDI 12 Channel Number 55 REO A P x RITU S IRR DRE Be ice RUE Nic cta eds 4 11 4 3 5 2 3 Device Address een e es AREE Y mE RYE RUE E AY EA ERAS 4 11 4 3 5 2 4 Measurement Command ccc ui Rp e RR in Ge Ae Act a UA EURO aioe lb ROS ESI 4 12 4 3 5 2 4 T Switched 12 Volt Output e044 yacaacns rara dra bout PER Ode 4 12 4 3 5 2 5 Common Task Elements 12e pe yy EG RUE NIE E RR tee Mee TET rece 4 12 4 3 6 inked Acquisition uou Rie eI URGERE dendo C E RU S 4 12 4 3 6 1 Task Programming ue etm eco e cer eet Ex EU on rex rece ER Te a ree LR OREMUS 4 12 4 3 6 1 1 Get Data Erom Task Number sos ispum dud acu ee EE EG EIS 4 12
20. PEROM If a GOES task exists in the system then the GOES transmitter is accessed to retrieve the time If the GOES system time is invalid then the Vedas II retrieves the RTC time and invalidates the GOES task If no GOES Task exists in the system then the system time retrieved from the RT C and the program terminal port is checked to see if a terminal is connected If no terminal is connected a system initialization is performed Alternately if a terminal is connected the Vedas II enters the menu system Clear to Send RS 232 controlline used for flow control handshaking In the Vedas II system this line is also used to detect the presence of a serial modem device Data Collection Platform In the industry this term is used to denote a data logger equipped with a GOES transmitter option Is a setting or answer to a prompt that will be automatically assumed if no entry is made with respect to the prompt 14 1 USER S MANUAL DIFFERENTIAL EEPROM EMI ERROR CORRECTION FIFO FLASH MEMORY FRAMING ERROR GOES HAYES MODEM HDR HEX INITIALIZED LSB MODEM MSB ORBCOMM VEDAS II GLOS SARY Is the difference between two values In the context of the Vedas Il a differential input receives two signals a positive and a negative the analog interface measures and outputs the difference between the two signals Electrical Erasable Programm able Read Only Memory Electro Magnetic Interference EMI is unwanted el
21. Refer to the table below for the entry format of each type of alarm Alarm Type Entry Format Fixed Level gt value lt value Rate of Change value Fixed Interval start inte rval start interva 1 Fixed Level Alarm With the fixed level alarm an alarm willbe activated each time an acquisition is performed that exceeds or is equal to the alarm threshold The threshold is determined by the operator s entry and can be either greater than or equal to a value or less than or equal to a value For example ifthe alarm is to activate if the inputis above 321 volts then the op erator should enter gt 3 21 at the alarm limit pro mpt The operator may use this mode to increase the frequency of readings once a set threshold has been reached To do this the operator after setting the threshold level specifies the alarmed task to be the current task in other word the task calls itself If the current task is only taking one sample the software will automatically adjust the number of samples to two and will then prompt the operator for the sample interval The sample interval will determine the increased acquisition rate once the alarm has been activated Rate of Change Alarm The rate of change alarm is activated when the difference between the acquired data value and the previously gathered value exceeds or is equal to a threshold amount Below is an example showing when an alarm is activated Acquired value A
22. SHAFT ENCODER PCl 3 14 47 00 00 15 00 Shaft 0 0000e 00 14 32 7 HIGH SPEED HSO 3 14 49 45 00 15 00 Hg 9 6005e 03 14 35 8 SERIAL 232 3 00 00 00 00 15 00 Hg INITIALIZED 9 SERIAL 232 0 24 00 00 00 00 00 Ta INITIALIZED 10 SDI 12 1 1 3 14 47 00 00 05 00 VISE 9 9990e 34 14 32 3 eS DE 2 1 1 1 24 00 00 00 00 00 Verr 9 9990e 34 14 32 20 LINKED 10 1 24 03 00 24 00 00 WL max INITIALIZED 21 LINKED 10 1 24 03 00 24 00 00 WL min INITIALIZED 44 GOES POWER FWD 2 15 19 00 03 00 00 ForwardPWR 9 8765e 00 12 18 45 GOES POWER REF 2 15 19 00 03 00 00 Reflected 0 2655e 00 12 18 48 ANALOG 151 1 15 34 40 01 00 00 VEDAS Temp 24 34 14 34 49 GOES OUTPUT 0 15 17 00 03 00 00 12345678 12 16 50 DIAGNOSTIC 1 14 39 44 00 05 00 Diag No Errors 14 34 14 35 52 13 12 00 00 00 00 00 00 00 00 00 00 00 46 00 44 USER S MANUAL VEDAS II GLOS SARY GLOSSARY ACQUISITION TASK ACQUISITION BAUD BCD BINARY BIT BYTE CARRIER CHECKSUM COLD BOOT CTS DCP DEFAULT An acquisition task isa programmed event which causes an acquisition process to occur The Vedas II may contain a maximum of 41 user based acquisition tasks Denotes the act of gathering data within the Vedas II system An acquisition may consist of one ormany samples An acquisition may be
23. This option allows the user to setup various modem output tasks includ ing both land line modems and radio modems Upon activation the current system data is sent to the operator supplied telephone number or in the case of a radio modem the information is sent to the recipient atthe receiving end ofthe modem Through the use of the V edas II Modem Interface Auto Dial capability and the software s built in alarm monitoring it is possible to convert the Vedas II into a stand alone monitoring system When functioning in this stand alone mode the appro priate offices will be automatically alerted in the case of an input exceeding a user supp lied alarm limit Refer to section 8 0 for further details on the required set up of the modem outputs Refer to section 3 52 8 for configuration set ups 4 4 2 1 Task Programming 4 42 1 Priority Of Task c tcuten Cee ae oa tienes ER ADIT nae ole fae Chenin EE he TEN No D efault This parameter is the value used to index reference the telephone output task in the system Priority values 1 to 47 have been dedicated to user entered tasks 4 4 2412 Telephone Number i ohn 4 hs ewe A A A ERU RE Se Rue EUR NH UNUS No D efault This parameter allows the operator to specify the telephone number to be accessed upon the activation of the telephone output task Entered telephone numbers must meet one of the following formats 123 1234 1 123 1234 or 1 123 123 1234 If morethan one telephone number is required then
24. USER S MANUAL VEDAS II APPENDIX A 7 A 7 MODEM INTERFACE INITIAL DUMP FORMAT The VEDAS modem interface initial format contains parameters separated by forward slashes The format is as follows lt CR gt lt CR gt lt LF gt lt STX gt MO DEM ANSWER MESSAGE UP TO 34 CHARACTERS lt CR gt lt CR gt lt LF gt lt STX gt Y Y Y Y MM DD STATION_NUM BER lt CR gt lt LF gt LABEL DATA HH MM SS lt CR gt lt LF gt eB SUBS euet teat tado tala lt CR gt lt LF gt NOTE Ctrl K gt Is Used To Hang Up At Any Time ECR SL A ad cet a t ign lm a lt CR gt lt LF gt E nter Password gt where lt LF gt Line feed ASCII character 0aH lt CR gt Carriage return ASCII character 0dH lt STX gt Start ofheader ASCII character 02H YYYY Current year Delimiter MM Current month s Delimiter DD Current day Delimiter STATION NUMBER LABEL Station number Acquisition label DATA Acquisition data HH Hour of acquisition Delimiter MM Minute of acquisition Delimiter SS Second of acquisition Password Is the unit s password It should be entered to allow full access to the unit lt ETX gt End of text ASCII Character 03h lt BCC gt Block check character Exclusive OR ofallcharacters between and including the STX and ET X characters USER S MANUAL VEDAS II APPENDIX A 8 A 8 VEDAS Alarm Tutorial The VEDAS supports three types of alarm modes fixed level rate of change and fixed interval
25. VEDAS II ACQUISITION EXAMPLES 13 11 13 6 2 GOES Transmitter Power Monitoring The GOES transmitter power monitor can only be done ifa GOES output task is already entered in the system In the previous example a GOES output task is programmed with a GMT start time of 2 17 and a transmit interval of 3 00 The GMT offset is set for 5 00 hours The message window length is 60 Seconds The acquired power level is to be placed in the next transmit message Transmit time calculation for a 24 hour clock GMT Tx Time GMT Offset Local Tx Time 2 17 5 00 21 17 To find the next transmission time n number of intervals 2 17 3 00 n 5 00 0 17 03 17 06 17 09 17 12 17 15 17 The forward power read ing will have to be transmitted in the next transmission window Please keep in mind that the GOES transmitter is updated one minute prior to the start of transmission ADD Goes Power Acquisition Priority of Task 1 47 gt 44 Power Type 0 Forward l Reflected 2 VSWR 0 gt Power Units 0 None 1 Watts 2 dBm 0 gt 1 Task Label gt PWR Start Time Is About 2 Minutes Later Than RF Task 02 20 00 Interval of Acquisition Equals to the RF Task 03 00 00 Number of Samples 1 18000 1 gt Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 2 First Acquisition For Output Archive 00 00
26. a program monitor routine to handle the upgrades of the Vedas II software package Portions of the monitor routine are first executed upon start up of the Vedas II unit and are responsible for the power up autobaud sequence and the initial Flash check The monitor routine then passes control to the Vedas II software The monitor routine contains several diagnostic routines to initialize the Vedas II ifunknown problems develop Refer to Appendix A9 for further information regarding the Vedas II Program monitor system 3 4 VEDAS II Start Up Sequence The following is the preferred Vedas II start up routine a Ifa computer is being used as a program terminal device ensure that the appropriately configured The Vedas II uses a baud rate between 3 00 and 5 7600 8 data bits 1 stop bit no parity Acceptable communication software is V2UP EXE supplied by Valcom or Procomm Load the software and have it running b Connect the battery or power supply to Vedas II power cable observing marked polarity The voltage should be 11 15 volts c Connect the program terminal cable to both the terminal device and to the Vedas II d Connect the Vedas power cable to the Vedas II e Press the lt SPACE gt bar on the terminal and FLASH Check Should appear The Vedas II sign on VEDAS X XX should appear which is followed by a request to verify the date f No message will appear until the lt SPACE gt bar is pressed to invoke the automatic b
27. a watch dog error Thisis not a problem Pressing Space will reinitialize the unit i Ifno message appears remove the power connector check all electrical connections and repeat steps d through g j If no message appears remove the program terminal connector wait 30 seconds replace the connector and repeat steps e through g k Ifstill no message appears mark the unit as unserviceable and return for repair USER S MANUAL VEDAS II APPENDIX A 3 A 3 Error Message Index DEFINITION OF ERRORS IN THE ERROR LOG REPORT Non Critical Errors o mer OVERUN program Terminal Overran Er ooo O s o A FRAME wodom ns2s2 Framing Enor O O s osoveRuN joossOvmmim oo O o osramrv corsrariyenor oS O 2 ARCHIVE ovr Archive Memory Bank Has Been Overwriten EN SHAFT_SKIP Shaft Encoder Counts Were Skipped EN NO CARRIER No Carrier Detected By Modem Output Task EN Q C PARITY SDI 0 RS485 Parity Error E Q C FRAME SDI 0 RS485 Framing Error E Q C BREAK SDI 0 RS485 Received Break 1 2 3 4 5 6 7 8 9 0 1 2 3 1 1 1 1 1 1 1 1 1 2 2 2 2 USER S MANUAL VEDAS II APPENDIX A 3 System Critical Errors ar pup reset PowerUpresroccurea ss EXT RESET extemal signatCausea rese s ork PNT MPU caused Breakpoint terrat MPU Caused Software Interrupt Peat eee MPU Encountered Illegal Instruction as piv zero mpu Encountered Divide By Zero ss one vninivit
28. and to perform archive memory operations 3 5 3 1 Operator Menu Selection 1 Immediate Task Execution This option allows the operator to immediately execute a data acquisition task and send the acquired data to the programmers terminal This local acquisition does not place any information in the archive memory nor will it update the RF transmitter archive buffer Simply enter the priority number ofthe task to be executed Refer to section 5 1 for more information 3 8 USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 9 3 5 3 2 Operator Menu Selection 2 View Archived Data This option allows the operator to view the acquired data in the Flash memory Enter the date and time of the data to be viewed The operator is prompted to enter the labels of the data required Ifno labels are entered strike lt ENTER gt at first label request all labels will be dumped During the archive dump the operator may use the lt ESC gt key to abort the listing or alternately use the space key to stop the listing for observation Any subsequent key will continue the archive dump 3 5 3 3 Operator M enu Selection 3 Send Archived Data This option allows the operator to transmit the acquired data from the Flash memory to a PC or the PCMCIA card It operates similarly to viewing archive data except this is done in binary If you are usingthe PCMCIA card the unit will prompt the user for a file name The Vedas II will store the archived data on to the PCMCIA card as if
29. both rugged and compact and is ideal for use in harsh environments The Vedas II is suitable for use in military avionic industrial hydrological and meteorological applications The Vedas II when equipped with a Valcom GOES transmitter and a solar panel is ideally suited for data collection in remote areas for extended periods The integrated PCMCIA memory card containing 1 2 4 or 8 Megabytes of memory is also well suited for long term data collection or even software up grades The Vedas II system is supervised and managed by the software contained in the Flash memory Flash memory does not lose its data when power goes down All acquisition communication requirements are entered via the operator s terminal The software formulates an acquisition task timetable to schedule and perform each acquisition in real time All acquisition parameters are stored in Flash memory This allows complete system recovery from power loss over extended periods The Vedas II provides several serial ports for communicationand is capable of communicating with many differenttypes of sensor interfaces A battery backed up real time clock standard maintains the correct date and time during power failure conditions An Analog Interface section provides the conversion of 5 to 5 volt analog signals into a 20 bit digital format which is interpreted by the Vedas II software Each of the nine external analog input channels may be accessed through the analog terminal stri
30. c cosine s sine t tangent q square root O do first calculate z C arc cosine S arc sine T arc tangent f fractional i integer I 1 X h hyperbolic cosine H hyperbolic sine y hyperbolic tangent e exponential I natural log L base 10 log a absolute value P 3 14159265359 d rad gt deg r deg gt rad get acquisition value from task EXAMPLE 1 1 23 x 4 x z z 2 2 x 3 3 Where x the acquisition value from the sensor z 1n 1 23 x Natural Logarithm Answer 4 x z z 2 2 x 3 3 gt 4 x In 1 23 x In 1 23 x 1n 1 23 x 2 x 3 3 Therefore if x 1 5 volts Then Answer 14 293457 USER S MANUAL VEDAS II OPERATIONAL THEORY 11 1 SECTION 11 0 OPERATIONAL THEORY 11 1 Time driven Tasks The Vedas II operates on a timed schedule of events The scheduled tasks are normal time dependant acquisition tasks and are set to execute at the starting times and intervals programmed by the operator Use main menu selection 4 Display Vedas II Schedule to observe the scheduled start times and interval times for each task They run unconditionally and cycle on a daily basis Eachtime a time driven task is executed the Vedas II will update the schedule and allocate a new time for the task to execute Every time driven task will execute at least once per day 11 2 Event driven Tasks Event driven tasks are the exception to the Vedas II schedule They are also known as event triggered alarm tasks As the
31. current data perform any diagnostic task or access the archive memory Valcom Environmental Data Acquisition System Second Generation A warm boot occurs at midnight All scheduled tasks are halted the Vedas Il is reinitialized clearing all device busy flags etc and the system re initialized This occurrence prevents an inadvertent system glitch close lightning strike etc from causing the system to fail for longer than a 24 hour period 14 4 USER S MANUAL VEDAS II A 1 USER INTERFACE MENU STRUCTURE m 5 H z z E 2 a SCEOBIHUTAWNE Il Add Task gt Edit Task Delete Task Display VEDAS II Schedule Detailed Task Display VEDAS II Configuration Menu Operator Mode Menu Diagnostic Menu Calibrate Task Archive Program Parameters L Vedas II INFORMATION ADD TASK MENU Add Analog Acquisition Add Digital Acquisition Add Pulse Counter Acquisition Add Shaft Encoder Acquisition Add High Speed Acquisition Add Serial Acquisition Add SDI 12 Acquisition Add Linked Acquisition Add GOES Acquisition 10 Add RF Transmitter Output 11 Add Modem Output 12 Add Radio Modem Output Q0 010 0 4 amp 0 NO I VEDAS II CONFIGURATION MENU Set Set Station Number Name Set Date Time GMT Set Date Format Set Error Log Mode Set Archive Memory Mode Set Power Down Voltage Setup Modem Interface Enter Formula 10 Send Program Parameters 11 Overwrite Program Parameters 12 Set Menu
32. doe AS rh VENTE NoD SOR TRU RC AA EU OUR Rr Ut PUO teen 4 5 4 3 1 16 Attach Alarm To Task zen ak ced REN b RAN Y xS Ser SERIEM Ee ace 4 5 4 3 2 Analog Sensor Task 4 6 4 3 2 1 Analog Inputs o sapone ES Ee uri de sce ONU sb pe UP 4 6 4 3 2 1 1 Differential ii O Me aede don Ia NO SEEN SEIS ISI ete Bed def det ent ed e eda oa a 4 6 4 3 2 1 2 Single Endedz sco sf folk Le Ge oe Oe RE Ses INN TOT Se TAE e edt vt red V ROS 4 6 4 3 2 1 3 Using Reference Volt ge aviar a a Reb ee Y Ra d e E ups SOR E AR ERE 4 6 4 3 2 1 4 Using 12 VoltSttObe sure das ke to dette Wa ton teo coax xeu Ue secar Sac Som obe s 4 6 4 3 2 2 Battery Voltage Measurement 42 52 eld bae bd e pU QE SV eas Aaa ea Pei eei RE ne 4 6 4 3 2 3 Tetiperat re Intemal 2232252224 6 neg A Wt aed UA dug a eee III E que xem ege 4 6 4 3 2 4 Analog Acquisition Task Programming 4 7 4 3 2 4 1 Task P EOTity 5a oo Dr n ade co ra oo tM eoi cU cena i d d dla ot tes 4 7 4 3 2 4 2 Input Lype asset oo CE I gore DER RR A Xab osa e e aeter S 4 7 4 3 243 Analog Input Channel ia A esce i e OR RC eee ee ced 4 7 43 2 4 4 Measurement Type eleme ye Ro ek RARO HERO Den kOe vx Ra Ru e AER 4 7 43 2 4 5 Analogs Output Voltage aca e eR RA Ut du P Ro Qut b cp eps RU ees 4 7 4 3 24 6 Analog Output Channel iiber I pages tee diente irpce3eh4ereigswber3v rada 4 7 4 3 2 4 7 Switched 12 Volt Output uiu e ja Spe Unde pur e xb yee etd ag eee xU oe ee dog 4 7 4 3 2448 Output Settling Time sius le eh
33. for flow control handshaking A sanity timer is a hardware base circuit which if allowed to time out will cause a hardware reset of the computer portion of the circuitry During normal operation the sanity timer is constantly re started via the software which prevents it from timing out Ifthe software portion becomes corrupted the sanity timer will in turn not be reset and so will cause a hardware reset which will restart normal operation of the software Abbreviation for the word Satellite Camp bell Scientific uses this abbreviation as part of the new model name for their GOES transmitter Serial Data Interface 12 volts SDI 12 is a serial data interface for monitoring and powering compatible SDI sensors operating at 1200 baud with a nominal 12 volts available for sensor power 14 3 USER S MANUAL SERIAL PORT SIGNAL CONTENTION SINGLE ENDED SPURIOUS SRAM STROBE 12 Volt TERMINAL TRANSIENT TTL UART UNARY UNINITIALIZED VEDAS II WARM BOOT VEDAS II GLOS SARY A serial port is an electronic interface which has been designed to convey digital information in a serialtime dependant stream The Vedas II controller contains 4 serial ports two of which are interfaced via the RS 232 standard and two the SDI 12 standard A signal contention occurs whentwo driven signals at different states try to occupy the same conductor A signal contention is usually accompanied by an increase in current consu
34. hal dulce e des dd da e tad lo lo Sy Number of Stop B its Parity Bit Tone Dial Page x USER S MANUAL VEDAS II Page xi Table Of Contents 8 3 4 6 Hane Up Delay sve sity da ee AS AS CPC REO EE A ed EY ee A ae 8 3 8 3 2 8 Initial Dita DUDO ii Ra QA O aut hgh x dhe lente gnats dha rebels sn Mohs 8 3 8 3 2 9 Modem Answer Message a soosc4b 44 aloe lr aros cards paren Fou wel ends 8 3 8 4 Type Of Service etes AS Sard YEN Dee aged REIR eee RU I eue ee ade eae ese eae 8 3 Section 90 VEDASII RF TRANSMITTER INSTALLATION 9 1 IntrOduCton s Ss eere A iD miedo tau haec SN adhe cd ades s 9 1 9 2 Synthesized GOES Transmitter ui e ue ates nates ve E e ERR Mae wera 9 1 9 2 1 Installation i24 bs sat Shs teria a ele be bes saddacded Maes sods gee ed iq reg 9 1 9 2 1 1 Requirements noes yeh eh By eee cae Bhp ie ed AE A aera tel ee 9 1 9 2 1 2 Mounting the GOES Transmitter ermita Babes PSS 4 RE RIA EG AERA 9 1 9 22 GOES Destin cuiu ci i Ce M LE eut ub iD Eoo aed eie Es LE M deu de 9 2 Section 10 0 ENTERING ACQUISITION FORMULAS 10 1 AcquisittonsFotinul s ates roa duca acre A ed ADR RENE Geena A NER AL Seen aigue area 10 1 10 2 Formula Listing ieget eise ird ser RORIS ET Rob Aaa oae BeBe A Re P RU prt 10 1 10 2 1 Entering A New Formula ia xepeuaeRe3 pda ida RAM Aden fe du bre 4d SH ERE PSSES 10 2 10 2 2 Important Entry Notes x eed de Redes debes quete eae TAA EO aa A es 10 2 10 2 3 Testing The Horm Ulam 220a XXE NOE Marea acts Geb DIA ER XM
35. interval of acquisition USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution Interval of Acquisition lt Warm Up Cause Time Solution The interval of acquisition is less than the specified warm up time Either increase the interval of acquisition or decrease the warm up time The Sensor Warm up time must be less than the interval of acquisition Interval of Acquisition Exceeded Cause Solution Alarm period of acquisition exceeded interval of acquisition Either increase the interval of acquisition or decrease the adjusted period of acquisition Cause Solution Invalid Entry General error Review this manual regarding the operation causing the error and correct the inp ut accordingly Cause Solution Invalid Acquisition Task Operator specified an invalid priority number Review and correct task priority number entry Limit of 1 Sample sec Exceeded Cause Solution The resulting number of samples per second exceeds the maximum of one Either increase the period of acquisition or reduce the number of samp les Cause Bits or Parity Cannot Be Altered By External Modem Access Solution An operator accessing by external modem has attempted to change the modem access parameters This is not permitted because future access may be compromised Modem Type Has Not Been Selected Cause Solution The operator may have requested a modem function without specifying the modem
36. is calculated and placed in the time queue 11 13 GOES Transmit Communication Task The following events occur during the execution of a GOES communication output task Immediately after system initialization the GOES transmit parameters are sent to the GOES transmitter Self Timed Transmission 1 At one minute before the scheduled time of transmission the software transmits the contents of all GOES archive buffers to the GOES transmitter 2 The memory archive is sent an entry stating the GOES update time if so optioned by the operator 3 The next GOES output time is calculated and placed in the time queue Random Alarm Transmission For A 697 07 GOES Transmitter 1 Immediately after initialization the GOES output task is invoked Current GOES archive data is gathered and sent to the GOES transmitter 2 The GOES update time is sent to the archive memory if selected by the operator 3 The next GOES output time is calculated as the current time plus the regular random transmit interval 4 The GOES will transmit the data one time within the regular random transmit interval on the selected random channel 5 Ifan alarm condition occurs the GOES output task is removed from the time queue and the GOES transmitter is updated immediately The GOES update time is sent to the memory archive if selected by the operator 6 Once the random alarm TX interval expires the regular alarm mode of operation is reinstated Random Alarm Transmi
37. message will appear followed by a prompt USER S MANUAL VEDAS II APPENDIX A 10 A 10 SDI 12 Communication Primer The following description has been reproduced from the SDI 12 specification written by Campbell Scientific Command and Response Description In the following description commands and responses are enclosed in quotes with the sensor address represented by a ttt represents a three digit integer specifying the maximum time in seconds for a sensor to have the resulting data available in its buffer This time includes the time required to send a service request back to the data recorder The valid range of ttt is 000 to 999 seconds Description and Response aM Initiate a Measurement The response is atttn lt CR gt lt LF gt where ttt is the required sensor integration time in seconds and n is the number of data values that will be provided The values generated by measurements in response to this command are retained in the sensor for subsequent collection using the D commands If ttt is not 000 a service request a lt CR gt lt LF gt is sent to the data recorder after the measurement is completed indicating the sensor has the data ready The D commands are used to collect the data If the service request is not received properly before the specified processing time ttt has elapsed the data recorder wakes the sensor with a break and collects the data If ttt is 000 then the specified
38. more than one modem output task will be required For the Radio Modem Output tasks this is simply the Task Label 442 13 Start Of Output melle RUSSIA rr Ee ud RIS ORE ME e ep Default 00 00 00 The start of output time is the time of the first telephone output of the day If the telephone output task is to be alarm activated only a start time of 24 00 00 should be entered 4 42 14 Output Interval daai cre Pe a Se ee ae A Bed Sete Sard oe eee bud Default 01 00 00 The output interval specifies the time interval between tele phone outputs AA Band Rate ss a oom e a e eee ea AN ea UR Eclog eel end VU UC V Default 9600 The modem task supports baud rates of 300 600 1200 2400 4800 9600 19200 38400 and 57600 Check the maximum baud rate of the modem in use USER S MANUAL VEDAS II ACQUISITION PROGRAM MING 44 2 156 Number Of Bits ui ART exp EE ERR AA See eg wal EE ae ee Ws Default 8 The operator must match the output serial data format to the expected serial data format at the other end The default is 8 bits with 1 stop bit and no parity The operator may select 8 bit or 7 bit data format 4 4 21 7 Number Of Stop Bus evo eR x eRe eke AeA AN aU EA Am a RE aes S Default 1 The operator may select 1 or 2 stop bits ADS Parity Bit A BA E es RN le eee et Default None The operator may select none even or odd parity if the number of bits has been setto seven Ifeight bits are selected it will use no parity always 4 4 2 1 9 Re
39. name implies they run at times controlled by external events They can be any task programmed into the system as well as the resident tasks Typically they can be any programmed task but are often entered for a conditional start to perform acquisitions when some unusualexternal condition exists The Vedas II residenttasks can only operate as event driven alarm tasks An event driven task when activated runs only once A time driven task must be used to trigger an event driven task through the activation of alarm limits When programming a time driven task the user is asked for an optional alarm limit for the data acquired If one is entered the alarm limit will activate a specific task once the alarm limit is exceeded The event driven task runs to completion and terminates The task is specified by its priority number Typical applications of event driven tasks are to increase acquisition rates or to notify a remote operator via telephone or GOES that an alarm condition exists The resident tasks can be used to disable the GOES transmitter or a switched 12 volt output if a task alarm finds a problem that could cause damage to the unit Refer to 13 6 3 for an example of this type ofalarm Insummary ifa normal time driven acquisition exceeds the programmable alarm limit an event driven alarm acquisition is invoked An event driven alarm task can be any existing task within the system including the GOES transmitter or a telephone output The alar
40. nim diced 10 2 10 2 4 Mathematical Functions And Operators oo 10 3 Section 110 OPERATIONAL THEORY 11 1 Timi dtiven Tasks ii AA Se eas A Pe Ree eee EM 11 1 11 2 Ey nt driyen Tasks ai tan xS espe RR EFE RU Dn RN UA QE p IR SO pf 11 1 11 3 Sanity TIME o cuu e I RN QURE E A Ee veas SA ede e E AA e P RA 11 1 11 4 Power Saving Modes nr ie lis dbi eO prado da sence de 11 1 11 5 Analog Task Acquisition Events lesse e 11 2 11 6 Digital Acquisition Task 52er cj ta ta dea Ix ELSE EG 11 2 11 7 Event Counter Acquisition Task esee 11 3 11 8 Shaft Encoder A quisition Task cta ream E FERS BE wo e a E 11 3 11 9 High Speed Counter Acquisition Task o o ooooooooooooor eee 11 4 11 10 SerialAcquisition Task sc sec Ive RR exe wA Ue E e Ru E OE RA AARNE ER 11 4 11 11 SDI3I2 Ac quisitiori Task i zou eee um ciem Rh Ro te e ra e SERES die Rt ete Seb ase 11 5 11 12 Modem Output Task aver gave PS PPS PER Sek SR ea 11 5 11 13 GOES Transmit Communication Task o o oooooooooo ooo 11 6 11 14 Diagnostic Acquisition Tasks tice leva m ERREUR SERIES Yd Eee 11 7 Section 120 UPGRADING SYSTEM HARDWARE 12 1 System Hardware socne oa DR INE E I et ret ROSEO UN Qe ut e etd etu eco CQ teers 12 1 12 2 Installation of Analog Section o o erre 12 1 12 3 Installation of Internal Battery ooooo eee eee eee ee 12 1 12 4 Installation of High Speed Counter 12 1 12 5 Installation of GOES Transmitter e c 544 br ae
41. number of data values will be available as soon as it can be retrieved with D commands and no service request will be sent from the sensor Resulting data will be stored in the sensor until another M or V command is executed If an invalid response has been received the re try sequence may cause a break to be sent The sensor should abort its measurement upon receiving a break and flag this condition so that subsequent D commands return no data The sensor will then be able to respond to a re try of the M command Unless a sensor operation is aborted with a break no commands can be issued by a data recorder until after an anticipated service request has been received or until the maximum time ttt has elapsed avi Initiate Verify Sequence The response is atttn lt CR gt lt LF gt After the verify sequence is completed a service request is sent to the data recorder if ttt is not 000 and data will be collected using subsequent D commands m The result of this command is exactly the same as an aM command except that the data returned is from a verification sequence instead of a measurement The data returned by this command may include ROM signatures or CR C s RAM test results or results of other diagnostic processes aAb Change Channel Number This is to change the device from address a to address b The response will be b lt CR gt lt LF gt to verify the sensor is n
42. oes Pee ed ees C ORA ER aE Be he denice dee 4 7 4 3 2 4 9 AS O re etu e Gh esate sacks e ERU NN 4 8 4 3 2 4 10 Common Task Elements mia i na walk eee eae eh a De Ri Moe aed eyes 4 8 4 3 3 Digital Sensor Task als cow tae ed da IS PORES he eS 4 8 4 3 3 1 Parallel Taput nx A eae a ee ba CR IR a Re ea A ee ER 4 8 4 3 3 1 1 Task Programming a 43e de See A Cate eee wh ee ORS Ba beers 4 8 43 3 1T r TASKE PLOT sarasa A a Oc 4 8 433 1212 Least Significant Bit Numbers 4 02 25 44a ro ob oes ae ar a ee 4 8 4 3 3 1 1 3 Number Of Significant Bits oooo o eee e 4 8 43 3 1 1 4 Bit Input Mode amp 2 v2 08 4 ex AAA eee Wand EE REUS ei E ee 4 8 T3 3 WA Invert Input xus alee cadets rar A asi biased taeda lah neat tede E aura gad RR 4 8 4 3 3 1 1 6 Number of Output Bits visu peo A fud eee ae que dd Ba ee ege 4 9 4 3 3 1 2 Common Task Elements wii s Desmcexu EROR UR RU UR cR eet UU RH ROS nee eb Vene 4 9 4 3 3 2 Pulse Counter Tasks USER S MANUAL VEDAS II Page vii Table Of Contents 4 3 3 2 1 Task Programming ESA AS WEE AR VOR tae ad at E uREISR GA e EN 4 9 4 3 32 J E Pulse Counter Channel ee leds deter eer Rer pats eco Y tede a m MAR RSEN 4 9 4 3 3 2 1 2 Transition Level nacida rra bau PIenfii4egbbebeqgeq pipes pte 4 9 4 3 3 2 1 3 Reset Counter After Each Sample eee hs 4 9 4 3 3 222 Common Task Elements ssi AER ERU EI EU XAR RU bees yc HHO 4 9 4 3 3 3 Shatt EncOdetia E E ed ul sep date dd ie etc ideas uique 4 9
43. presented by the sensor The serial task performs the physical acquisition and therefore requires the appro priate acquisition timing parameters to determine the time of acquisition 4 3 4 2 Default Sensor Format The general sensor type has been designed to expectdata strings offixed lengths that contain one or multiple data values in each message received The receiving algorithm parses the received data string discarding all non numeric characters until the first numeric value is found Subsequent numeric values are converted to a value This is considered to be the first acquired value Parsing then continues for the second value etc Please referto section 13 Vedas II Programming Examples for an example of the serial acquisition parsing technique 4 3 4 2 1 Task Programming 4 3 4 2 Number of Data Valles urcrontts a i A hee SEE AER Ree Default 1 The number of data values parameter specifies the number of data values to be processed from the incoming serial message 4 3 4 2 1 2 Serial Channel iia as tue eant pe HR Ry s e A a Default RS232 The operator may select from the RS 232 port on the connector board or the RS 485 port on the same connector 4 3 4 2 1 3 Driver Always QW2 coiere xu ett eS eR age e m eed ia Default No This option allows the operator to specify if the RS 232 RS 485 Driver output voltage is to be continuously present The serial drivers will consume approximately 15 mA continuous current USER S MANUAL
44. program terminal are suspended until the modem operations are completed 1 Atthescheduled time of the modem output task the Vedas II powers up and initializes the modem 2 The modem is placed in the off hook condition and the software waits until a dialtone is detected If no dial tone is detected in 15 secondsthe modem card is powered down and the operation re scheduled at the current time plus the re try delay maximum of 3 retries 3 Once a dial tone is detected the software waits 1 3 seconds then dials using touch or pulse dialling as selected by the operator 4 Ifnooutgoing ring signal is detected the modem is powered down and the operation re scheduledat the current time plus the re try delay maximum of 3 retries 5 Ifthe call is not answered within 15 seconds the modem is powered down and the operation re scheduled at the current time plus the re try delay maximum of 3 retries 6 Once the call is answered the software waits for the detection of a carrier If no carrier is detected within 15 seconds the modem card is powered down and the operation re scheduled at the current time plus the re try delay maximum of 3 retries USER S MANUAL VEDAS II OPERATIONAL THEORY 11 6 7 Once a carrier is detected the software proceeds to send the current acquisition values 8 Ifthe transmission is successful the time of the modem output is placed in the memory archive if selected by the operator 9 The next modem output time
45. sample average all samples or find a total of all of the samples The following lists the operator input value and the corresponding sample options 0 MINIMUM 1 MAXIMUM 2 LAST 3 AVERAGE 4 TOTALIZE Normally the time stamp associated with an acquisition isthe programmed starttime of the acquisition Sampling option 0 minimum and 1 maximum however do NOT use the start time as the time stamp instead they use the acquisition time of the sample that represents the maximum or minimum value respectively In this manner the acquisition time stamp notifies the operator of the time the minimum or maximum event occurred The RF archive allocation method does NOT change with the sample option 4 3 L 8 Archive Acquisition xica a dU A E VRBE REA dt TE peg S Default yes The archive acquisition option allows the operator to select whether the processed acquisition value is to be stored in archive memory 4 3 1 9 Number Of EX Archives citan e A AAA aad A a se Default 0 The number of TX archives option determines the number of acquisitions to be stored for RF transmittal This entry allows the operator to program for full data redundancy for critical acquisitions and send no data 0 TX archives for acquisitions of minor importance The maximum number of archives permitted by the system depends on the RF transmitter used If the transmission exceeds the maximum transmission length the output message will be automatically truncated at tran
46. situations that are invalid Interpretation of these errors can vary and should be reported to Valcom Limited if the number of errors becomes significant Refer to section A 3 for a description the Vedas IJ errors 5 5 3 Program Checksum This feature automatically performs a checksum calculation on the system program Flash memory to verify system integrity The test will return Testing Flash and then Passed or Failed In the case that the testreturns Failed the Vedas II unit should be marked as unserviceable until the Vedas II program code can be reentered into the system Contact V alcom Limited in order to obtain the transfer and binary image files re quired to perform this procedure 5 6 USER S MANUAL VEDAS II KEY PAD AND LCD DISPLAY SECTION 6 0 KEYPAD AND LCD DISPLAY 6 1 Keypad and Display 6 1 1 6 1 2 6 1 2 1 6 1 2 2 6 1 2 3 6 1 2 4 6 1 2 5 6 1 2 6 6 1 2 7 6 1 2 8 The Vedas II canbe ordered with an optional keypad an d display panel The liquid crystal displa y has two lines o f twenty characters which are used to display user prompts The embossed keypad can be used to access many of the Vedas II functions The keypad display and a PCMCIA card can be used to gather and store data without the use of a computer a modem or an RF transmitter Power Usage Use of the LCD display wakes the Vedas II from power saving mode The current draw for the unit while the disp lay is act
47. that they were not password authorized to perform Exit and re enterthe system using a correct password Cause Solution Password Invalid Entered password was invalid The operator may re enter the password via the telephone setup option in the configuration menu Password Invalid Cause Restricted A ccess Only Solution The operator has not provided a valid passw ord and will only be permitted limited access to the function of the unit If unrestricted access is required re enter the unit with a valid password Cause Encoder Task Solution or digital input that is currently being used as a shaft encoder input The operator should check all connections and select a different input for either a digital pulse counter or shaft encoder input They may share intemal hardware PC Input Is Being Used By Pulse Counter Task Cause Solution The operator may have requested use of a digital input that is currently being used as a pulse counter input The operator should check all connections and select a different input for either a digital pulse counter or shaft encoder input They may share intemal hardware PCMCIA Card Is Write Protected Cause Solution The write protect switch on the PCM CIA card is set Remove the card and check the switch PCMCIA Card Is Not Inserted Cause Solution The PCMCIA card may not be inserted properly Remove the card and insert it again Priori
48. the battery voltage at 14 0 volts The V edas II can run prop erly up to 17 volts input All Vedas II connections are protected by the over voltage protection circuit This circuit has been custom designed to provide over voltage protection while providing very little voltage drop across the circuit during normal conditions Reverse Voltage Protection The Vedas II reverse voltage protection circuit will protect the Vedas Il in case the po wer is accidentally connected in reverse The unit will not operate ifthe power is accidentally connected in reverse 7 5 Sensor Connections Carefully read each sensor s hookup instructions and apply them to the Vedas IIconnections available Drawconnection diagrams detailing wire colours functions and terminating connections Note that you can reduce the overall power consumption of the site if you are able to power the sensor via a 12 volt strobe rather than a constant 12 volt connection Contact the sensor manufacturer ifyou are unclear regarding the proper connections Valcom Limited is also available for consultation We will require the installation manual for the sensor in order to provide guidance 7 6 Site Configuration Programming 7 6 1 7 6 2 7 6 3 Set Telephone Interface The Vedas II software must be informed of the type and parameters to be used in establishing a telephone interface Refer to section 8 0 for parameter nformation regarding the establishment ofa telephone inter
49. the preferred VEDAS start up routine a Ifa computer is being used as a program terminal device ensure that it is appropriately configured The Vedas II uses a baud rate between 300 and 57600 8 data bits 1 stop bit no parity Acceptable communication software is V2UP EXE supplied by Valcom or Procomm Load the software and have it running b Connect the battery or power supply to the VEDAS power cable observing marked polarity The Voltage should be 11 15 volts c Connect the program terminal cable to both the terminal device and to the VEDAS d Connect the Vedas power cable to the VEDAS e Press the Space bar on the terminal and FLASH Check should appear The VEDAS sign on VEDAS X XX should appear which is followed by a request to verify the date f No message will appear until the Space bar is pressed to invoke the automatic baud matching feature ofthe Vedas II If a different key is pressed the Vedas II may interpret this as a different baud rate If it does disconnect the program terminal cable wait a few seconds then reconnect it and press Space again g Ifthe text FLASH Check appears but the VEDAS sign on message VEDAS X XX does not appear and the system never prompts for the date or error log reset press the Space bar again h If there is still a problem performing a memory initialization refer to the procedure as detailed in Appendix A 9 The watch dog timer may have tripped and caused
50. the user to include a power output reading task after setting up the RF output task This task can be added at any time by selecting menu option 1 Add Acquisition then menu option 9 Add GOES Power Acquisition 120 Type of Power Reading poor cana e aea ii a e aie mI n Default Forward Here the user can select whether they would like to measure the Forward or Reverse Power or just the VSWR This option is not available when the SAT HDR GOES option is selected 4 14 USER S MANUAL VEDAS II ACQUISITION PROGRAM MING NOTE The SAT HDR GOES transmitter only provides a ratio reading representing the VSWR Nominal transmission power values are 7 9 Watts at 100 baud rate and 15 8 Watts at both 300 and 1200 baud rates 4 4 1 121 Units of Power Reading 0 9 9 ee Default None Here the user can specify whether the y would like to see Watts dBm or no units at all associated withthe Power reading This option is not available if the SAT HDR GOES option is selected 4 4 1 122 Start of Power Acquisition and lslll n Default see below The default setting for the Start of Power Acquisition is 2 minutes after the Start of RF Output Task This is not user adjustable 4 4 1 123 Interval of Power Acquisition sseee RR at Default see below The default setting for the Interval of Power Acquisition is the same as for the Interval of RF Output Task This is not user adjustable 4 4 2 Add Modem Output
51. time for the next sample minus the warm up time All samples are gathered and processed according to the sample option The formula number is processed The calibration slope offset values are processed If selected by the operator the acquisition value is placed in the memory archive If the acquisition meets the TX archive criteria the value is placed in the transmit archive The next acquisition time is calculated and placed in the time queue 11 10 Serial Acquisition Task The following events occur during the execution of a serial acquisition 10 11 12 All characters received at the serial port are written to a FIFO First In First Out buffer equal to twice the acquisition length in size Ifa switched 12 volt output voltage is required itis activated at the nextscheduled activation time minus the warm up time At the scheduled acquisition time the first sample is acquired If a switched 12 volt output voltage is required and if the time to the next sample time is greater than the warm up time the switched 12 volt output voltage is removed and re activated at the time for the next sample minus the warm up time The received data string is parsed for the appropriate data All serial tasks are processed similarly All samples are gathered and processed according to the sample option The formula number is processed The calibration slope offset values are processed If selected by the operator the acqui
52. 0 gt 800 100 Alarm 1 Activates Task lt 0 gt gt 10 USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 4 13 2 DIGITAL ACQUISITION EXAMPLES 13 2 1 Precipitation Gauge The precipitation gauge consists of a weight scale to measure the amount of precipitation gathered The weight deflection drives an absolute shaft encoder which provides a 12 bit 3 digit BCD output One bit is equivalent to 1 mm of precipitation The shaft encoder requires a supply voltage of 10 to 15 volts using 12S0 The output bits are expressed in negative logic A precipitation value is required every 30 minutes The output readingsare to be expressed in metres of precipitation The GOES transmitter is scheduled to transmitevery three hours starting at 00 45 local time One reading per hour is to supplied to the GOES transmitter the operator should insure the transmitted data is current Start Time Calculation start time GOES Local Tx Time GOES Update time task processing time start time 00 45 0 01 00 00 20 start time 00 43 40 Remove Seconds offset start time 00 43 00 Adjust for 2 readings per hour start time start time 00 30 00 start time 00 13 00 ADD Digital Acquisition Priority of Task 1 47 gt 4 Digital Input LSBit 0 5 0 5 D0 D5 6 SDI 0 7 SDI 1 8 12 PC0 PC4 0 gt Number of Input Bits 1 13 lt 1 gt gt 12 Bit Input Mode 0 BIN 1 BCD lt 0 gt gt 1 Invert Input lt N gt gt Numb
53. 0 Main Menu Selection 10 Archive Program Parameters Selecting this option causes the current acquisition parameters to be stored in non volatile memory The program parameters consist of the acquisition tasks and the user entered formulas Normally this process is performed automatically when the pro gram terminal cable is removed If the Vedas II unit loses power before the acquisition parameters are stored in non volatile memory all changes to the system will be lost USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 5 2 VEDAS II Configuration Menu The VEDAS II configuration menu allows the operator to set up verify or probe the system configuration status 3 5 2 1 VEDAS II Configuration Menu Selection 1 Setup Program Terminal Interface This option allows the user to set the program terminal baud rate and the password The set up program will prompt the user for a program terminal baud rate The default is 0 which is the autobaud setting If the unit is in autobaud mode it will sample an input spacebar entry from the keyboard and setitselfto match the baud rate of the terminal being used The available baud rates for input are 300 600 1200 2400 4800 9600 19200 38400 and 57600 The set up will then ask if the unit isto be password protected If the unit isto be password protected it will request the old password and a new password The default password of a new unit is the space bar If a password cannot be remembered contact Valco
54. 00 Attach Time Stamp To Output Archives Y gt Modem Sends Output Archives Y gt Formula Number 0 43 31 Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt ADD Linked Acquisition Priority of Task 1 47 gt 21 Data From Task Number gt 10 Task Label gt WL min Start of Acquisition 00 00 00 00 03 00 Interval of Acquisition 01 00 00 gt 24 00 00 umber of Samples 1 18000 1 gt 288 Period of Acquisition 00 02 04 gt 23 55 00 Sample Option 0 Min 1 Max 2 Last 3 Avg 4 Totalize 3 gt 0 Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 1 First Acquisition For Output Archive 00 00 gt 00 03 Output Archive Interval 01 00 gt 24 00 Attach Time Stamp To Output Archives lt Y gt gt odem Sends Output Archives Y gt Formula Number 0 43 31 gt Calibration Gain 1 000000000 gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or start stop 0 gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 10 13 6 RF TRANSMITTER OUTPUT PROGRAM MING EXAM PLES 13 6 1 GOES Transmitter Output Task The GOES transmitter within the Vedas II system is to be setup according
55. 1 4 4 1 4 4 1 4 4 1 4 4 4 4 he he he he he he p This option allows the modem if present to transmit the time of the data update to the GOES 1 minute before transmission 10 GOES Transmission ID Code No D efault The GOES transmission ID code determines the GOES transmission ID as assigned by the NES DIS authority The GOES transmission ID consists of 8 characters ranging from 0 through 9 and A through F The GOES transmission ID will be rejected if it does not conform to the NES DIS format Jd NET O ABE on tee i Awd awe aad at qii tia pag arabe Default 5 00 The GMT offset determines the time offset between the current time zone and the time at the Greenwich Mean The GMT value is entered as an hour and minute offset ie HH MM The minute offset is limited to 15 minute intervals GMT EXAMPLE Greenwich England 0 GMT offset is 5 hours ahead of Ontario Canada EST The correct GMT entry for Ontario is then 5 00 ie 5 hours behind Greenwich time 12 GMT Start Of Transmission 000 0 e ee Default 00 00 00 The GMT start of transmission determines the time of the first transmission after the startof the day 1e 00 00 00 hours GMT 13 Self Timed Transmission Interval 0 0 0 ee eens Default 03 00 00 The self timed TX interval determines the transmission interval for the GOES transmission while in the self timed or self ti
56. 1 1 2 System Description Capabilities lille arr 1 2 1 3 System Requirements x cv ei ly ukpebven ex Y XR EC eig eee eee qp ed dg 1 3 1 4 System Specifications x oce ra ree eec E HR EUR Ree e USD D ce Ue OR Fu URP ai 1 3 1 5 System Procurement Options cs elec e 3 ww xd xe RE ERNEUT CLE ey bn 1 6 1 6 Dy Stem Limitations c cn Aa arse e RE Suo etin A gods A te MO rta bates 1 7 1 7 Vedas Il Utility Progr t ccc ooh ad sea hed see he de padvetutesetaeh b ippaW eb Sepe 1 7 Section 20 HARDWARE CONNECTIONS 2 1 System Grounding 15 o eds ee tN ly Bl eee M o e AM ses AE 2 1 2 2 Terminal Strip cic uem eroe EE Dep TCU EM NUN BE SURE PEL MOS 2 1 2 2 1 Shield Connections iieri ER A P A ia 2 2 2 2 2 Ground Connections A eek E gue Ye a ge A mri eR REY ur 2 2 2224 Power Connector CED Volts a is isse sme tos iater e RR ce RUNS US ERA S waded 2 2 2 2 2 2 Program Terminal Connector uoc ue dara sa Feld te A hie ROGER 2 2 2 2 2 3 12 Volt Outputs escalas tne RU el td anne ec ada db oad RENS ERAS 2 2 2 2 2 4 12 Volt Switched Outputs ass sies Re RR RR RR OR HR NO HR eee ee de Bw Puce UR wie ee aed 2 2 2 2 2 5 5 Volt Controlled Output x css x e Re ae eee ahs AS SEO e OR a A ie ees 2 2 2 2 2 6 PROMS Jack ie sides oe o E ate ONO RN 2 2 2 2 2 7 RS 232 Serial Pott un o A A il Doa pd a cei esu e 2 2 2 2 2 8 RSs485 Serial Port crise Pee S Ue ie he ae IRR I Ae OR HUS RS ee 2 3 2 2 2 9 RIDE 2 3 2233 Analog Interface Connection a eee ee 2 3 2 2 3 1 Analog I
57. 1 9 5 1 10 5 1 11 Display PCMCIA Information This option displays information about the PCM CIA card that has been inserted into the PCM CIA me mory card slot The card must be present It will display the number of free bytes the write protection status and the manufacturer s information about the card itself Erase Format PCMCIA Card This option will erase and format the PCMCIA card When the formatting is completed the card will be empty and ready to store archived data Upgrade VEDAS II Software From PCMCIA Card This option allows the operator to load new Vedas II software from the PCM CIA memory card The card must contain a new version of Vedas II software 5 2 Diagnostic Menu 5 2 1 The diagnostic menu allows the operator to verify the integrity of the Vedas II unit and connected peripherals and to perform set up procedures on serial sensors prior to acquisitions ie set SDI 12 device address etc Refer to the Appendix for further information on communicating with sensors and external devices Direct RF Transmitter Communication This feature allows direct communication with the GOES transmitter Refer to the GOES transmitter manual for the appropriate GOES command sequences For 100bps low data rate transmitters operator input is not buffered Consequently an entered character is relayed to the RF transmitter immediately The lt ESC gt key terminates the communication mode If the transmitter is an HDR GOES
58. 2 1 10 Archive Modem Output Time e esee esa re eaan a a a K hh 4 16 4 4 2 1 11 Modem Sends Last Execution Time 4 16 4 4 2 1 12 gt Message Preamble ii seek ete ea Een ze 4 16 4 4 2 143 Common Task Elements 5 1 rue Aen hate A eee eU eR A 4 16 4 4 3 Measuring Unknown Resistance 4 16 4 4 3 1 Resistance Measurement ca ost cbe eost i opui ee qnl ag GUI NUES 4 16 4 4 3 1 1 Halt Bridge Method ii e eb AER aH S PE Ce RR USE be Ur e s IUe Ge et eg Dt 4 16 4 4 3 1 2 Full Bridge Method cle ERIS e RA Pee OR ee LEX ES 4 17 4 4 3 2 Task Program 21s metet er ES eC ORE ON Quien uita qo E epis eiit mutas mene cet 4 17 4 4 3 2 1 Priority Of ask vois cubes deep RULES bia bs Med aureus tes ahd a a 4 17 4 3 2 2 Input Type ix doe e Choice dee a GU ette ipt d dead dre ee Deo pc c weed e A 4 17 4 4 3 2 3 Analog Input Channel oc vay eee a ad REG eee Roe EE RE UE PE 4 17 434 3 2 4 Measurement Type cise ees entr careo ep e ren VENTE Boag ars rub it esce e e ER d 4 17 44 3 2 5 Analog Output Voltage xn PEDIS ew BRE a GV 4 17 4 4 3 2 6 Analog Output Channel ici A Spe xd Ie ere Phas 4 17 4 4 3 2 7 Analog And Common Task Elements llle 4 17 4 5 Data Retrieval A AAA ek ht E ks Pa a Ba RN Deli ea ae Rx e Y A 4 18 4 5 1 Retrieve Memory Archive ret atatim obse Fu Ls I ee dle Sod dos Prog fae n 4 18 4 6 Using the Vedas IIT asa SCADA Terminal 0 0 0 0 ccc eee 4 18 Section 5 0 SYSTEM UTILITIES AND DIAGNOSTICS 5 1 System Utilitie
59. 2 2 3 1 Analog Input C hannels The analog inputs channels consist of 7 differential input channels 0 thru 6 and 7 single ended input channels Q R S A0 Al A2 and A3 located onall three of the analog terminal strips The 7 differential channels can also be used as 14 single ended channels A B C D E F G H J K L M N and P Both the differential and single ended channels have a voltage input range of 5 to 5 volts with respect to the ground potential The input resistance at time of measurement is 10 giga ohms The accuracy of each channel is 0 2 mV The differential input channels havea high noise immunity and are good for measuring low voltage signals To achieve this the user must ALWAYS connect both the and the terminals The single ended channels do not have good noise immunity and should not be used with a 10x 100x or 1000x gain setting The negative connection however is not required if the sensorsignal output is provided with respect to the sensor ground potential 12 Volts Channel 1 Sensor Channel 1 GND This connection must be provided if the sensor does not provide a signal connection Figure 2 2 Example Analog Sensor Connection Guide Differential Channel USER S MANUAL VEDAS II HARD WARE CONNECTIONS 12 Volts Channel 7 Sensor Channel 7 GND GND Optional connection if sensor output is with respect to ground Figure 2 3 Example
60. 2 Set Station Number Name eee t 3 7 3 5 2 3 Set Date time GM eT s ve eye eR HD EX eee UE qu gy ES ae ee eee 3 7 3 5 2 4 Set Date Formata se eium ue e ute RC daas ER UTE e reet hehe onde Vitiis EO UNE TRI S YE 3 7 3 5 2 5 Set Error Log Modes v A EY uA EM ONDES GR Y EET EE TERCER 3 7 3 5 2 6 Set Archive Memory Modes o 3 7 3 5 2 7 Set Power Down Voltage tardar t ban tee ath E EIE ER e eere D aet d tus ete datas 3 7 3 5 2 8 setup Modem Interfaces se pews a 44e d a dus Gad Feed a VE dew PESP PESE 3 8 3 5 2 9 Enter Formula 4 22 ge x exusta teen IRR UON Se Se ea IS Ha tt ane 3 8 3 5 2 10 Send Program Parameters A DAS we ee Bh eae ee es PRE ed 3 8 3 5 2 11 Overwrite Program Parameters o 3 8 335 212 set Menu Language nuca fupe IS A A GO le A OR E SX E 3 8 3 5 3 Operator Mod Men scree hen hn ie AE a en a oret ae eh Ce Re Ro eoe ER e es 3 8 3 5 3 1 Immediate Task Execution dark Se whe IHE ae ood dS eae 3 8 3 5 3 2 View Archived Data fein girs A E A E a e Wa ES Fea 3 9 3 5 3 3 Send Archived Data 24 peres he leo ac aio uet Se e Nel hee che a E E 3 9 3 5 3 4 Display Current Output Message sse hh I e 3 9 3 5 3 5 Create Emergency Message osse goes Seances E oe ee eder e te ee eg ere eR eire eren d 3 9 3 5 3 6 Display Formula Bist soria pdas EE AR one daa a EMI ERE RE 3 9 3 5 3 7 Test EOormulas iat 255 240 acer Ne ted as s de Mos Cte s rb ei AM cap rubo SL Eta EE M 3 9 3 5 3 8 Displ y Resident Task List en E P up
61. 3 4 1 Task Programming 4 3 3 4 1 1 High Speed Input Chamnel oo Default 0 The operator can select from two high speed inputs HSO and HS1 on the pulse input strip on the connector board 43341 2 Maximum Frequency sica AE Ad MARGE LEE REALES Default 200 KHZ This allows the operator to specify a maximum frequency to be measured The default is the absolute maximum available 4 3 3 4 1 3 Switched 12 Volt Output o Default None The switched 12 volt output allows the operator to attach a 12 volt strobe to the task If a 12 volt strobe is not required an input of 2 None is specified when programming the task Strobes 12S0 and 12S1 refer to the 12 volt strobes outputs attached to the power outputs on the connector board on the side of the unit The 12 volt strobe is installed on all units 4 3 4 Serial Acquisition The serial acquisition task receives serial data from one of the serial ports The serial acquisition has been designed to support both known serial sensors as well as a general sensor type pro viding it conforms to the required parameters If a customer wishes to use a serial sensor not supported by the current software version they should contact Valcom Limited directly and inquire about obtaining sensor support 4 3 4 1 Serial Task Reading The serial acquisition is designed to support multiple data values contained in the returned sensor message It processes the first piece of data
62. 3 PC3 0 gt 1 Switched 12V Output 0 12S0 1 721281 None 2 gt Task Label gt Shaft Start of Acquisition 00 00 00 00 02 00 Interval of Acquisition 01 00 00 gt 00 15 00 Number of Samples 1 18000 1 gt Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 3 First Acquisition For Output Archive 00 00 gt 00 32 Output Archive Interval 01 00 gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives Y gt Formula Number 0 43 31 gt Calibration Gain lt 1 000000000 gt gt Calibration Offset 0 000000000 Alarm Limit 0 None or Limit After lt gt or start stop 0 gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 6 13 2 4 Absolute Atmospheric Pressure An absolute pressure transducer is to be used to gather atmospheric pressure A 12 volt supply voltage is required to cause an output consisting of 5 volt pulses whose frequency is proportional to the measured pressure The sensor requires the supply to be present for 15 seconds for the output to become stabilized A correction gain of 2419 and offset of 39688 are required to produce an output in millibars ie x offset x gain millibars Atmospheric pressure readings are required every 15 minutes A reading occurring at 20 minutes past the hour isto be sent to the GOES transmi
63. 31 gt gt Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or start stop lt 0 gt gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 2 13 12 Temperature Probe Acquisition A Valcom temperature probe is connected to channel 0 of the analog inputs Using an excitation voltage of 1 788 volts through a bias resistor of 23 1 Kohms connected to AO A calibration gain of 100 and acalibration o ffset of 106 05 will produce an output in degrees Celsius It will take six readings per hour consisting of 10 samples each to be averaged together A sample rate of 1 sample per minute isrequired Hourly temperature readings occurring at 20 minutes after the hour are to be transferred to the modem and GOES transmitter ADD Analog Acquisition Priority of Task 1 47 gt 2 Input Type 0 Diff 1 Single Ended 2 VEDAS Temp 3 Battery 0 gt Analog Input Channel 0 6 lt 0 gt gt Measurement Type 0 Volts 1 Frequency 2 Half Bridge 3 Full Bridge 0 gt Analog Output Voltage 0 or 0 01 5 lt 0 000 gt gt 1 788 Analog Output Channel 0 3 A0 A3 lt 0 gt gt Switched 12V Output 0 12S0 1 12S1 2 None lt 2 gt gt Output Settling Time lt 00 00 01 gt gt Amp Gain 1 10 100 1000 lt 1 gt gt Task Label gt TB Start of Acquisition lt 00 00 00 gt gt Interval of Acquisition 01 00 00 gt 00 10 00 Number o
64. 4 3 3 3 1 Task Programming pa ii Wath eka Bests A BRE watt eg a IS eS equ te 4 9 4 3 3 3 1 1 Shaft Encoder Channel LSB Bit 4 9 4 3 3 3 1 2 Switched T Volt Output xe A aee xe AN Fade revu Baek a 4 9 4 3 3 3 1 3 Common Task Elements uni nere ee RR eese ae alo ae RUNS Fb e etes A aceti gla 4 9 4 3 3 4 High Speed Acquisition ostias surare poh ooh bad bates p ede ique deut n vePesieq3es 4 10 4 3 3 4 1 Task Programming 2 ooo Les e er Reed qe eU pedir dpe anata hay wee rete aed A ai E 4 10 7 3 3 4 T High Speed Input Channel 4i a Rar EE ee ee eh GE e s 4 10 4 3 3 4 1 2 Maximum Frequency 4 10 4 3 3 4 1 3 Switched 12 Volt Output du MR etre e ur eu ae aede e eae 4 10 4 3 4 Serial Acquisition x oer oe eet e Is eA Ee E Is Os eer rede e OH iene 4 10 4 3 4 1 Serial Task Reading ue Like ie Y v VAG Ree ae PE ERA ES eS tee CHER Eua eer eta 4 10 4 3 4 2 Default Sensor Format erate 33e We IAE UC Y EAE OS OR CHEM RUN EN URN eter 4 10 4 3 4 2 1 T sk Programtmte p zur tte e Se RU p p A TUR RED a dee Sm QA Ne An UR Pts 4 10 4 3 4 2 I Number Of Data Values 2 243 Reb ehe abated iqe c pRISAS POS Rhee d 4 10 4 3 4 2 1 2 Serial Channel xe se e Ies caedes Sa eee Md arate eae repe deg ds CUR Irene le Sedes 4 10 43 4 2 1 3 Driver AIWA YS ON o Rn es ON Reh DAR EAM am SNNT REMISE XS SUE ees 4 10 ARA Baud Rate o ose et aee de etre eee de t ee ao y addu ene a dete ceci Oe a 4 11 4 3 4 2 1 5 Numb et Of Bits sia tee Dee Na e HN eme iud Yah od od
65. AE 5 4 5 3 Vedas Th Information ee oe oe ie ae ee ah ad a Wie ee IER UR a eh ee wena 5 4 5 4 Other Diagnostic Functions Of The VEDAS II 0 teenies 5 5 5 4 1 Diagnostic Tasks anna Sse dation snd ane S RA aA G8 sy Ace A atc a Rates 5 5 5 4 2 Task Programming sues na be owe gs hod oh e tt es Shoes 5 5 5 4 2 1 Priority OL TASK ure a A adhe SRR RA ELS IE E A A amp 5 5 5 4 2 2 Task Label tt e e S Bk a Bae ee ea ki a Gara eder ere 5 5 5 4 2 3 Diagnostic Check Interval eee e 5 5 5 4 2 4 Archive Error Lop Errors 44x esI UR A qeu pd BE ee ets 5 6 5 4 2 5 Error Log Errors Sent By RF Transmitter llle eee eee 5 6 5 4 2 6 Modem Sends Error Log Errors 2 riere Eea ee hh hh hh hh ees 5 6 5 5 System ErmtL0g 6 wedge a goce EE RAE RW ACER TO A RO RE RR VES Y RR RA 5 6 5 5 1 System Critical Briof ege ne Rees aret tels DE E que qAUPI RR EUER NR m dag etit de wales ois 5 6 5 5 2 Di g nost C BftO pedese hare penwees tee bur ad bbadtlagt iad yates ae parada 5 6 5 5 3 Program Gliecksunr oc usu A ee seen Shang ers AR Ge wa hee C e d eee pre 5 6 Section 60 KEYPAD AND LCD DISPLAY 6 1 Keypadiand Display lt A RE NU ESI ENG PE 6 1 6 1 1 Power Usage uci nO toc e eee Da Arie ate ess I Da eT eL d Gee re eu ted e ena gen 6 1 6 1 2 Keypad Functions ue AAA CENA RUREW cd oe hah uec Pa e WA M ee 6 1 6 1 2 1 PWR TIhe Powet Key vessels RSDEOU US RC oat Ux e P bete a AL DA auc ACIER TT 6 1 6 1 2 2 ENTER The Enter Selection Key
66. Archive Acquisition Data gt Y Number of Output Archives gt 0 Formula Number gt 31 Calibration Gain gt 1 000000 Calibration Offset gt 0 000000 Alarm Limit gt None 3 5 1 6 Main Menu END Figure 3 2 Detailed Task Display Selection 6 Vedas II Configuration Menu Selections from this menu include modifications of the software operating configurations The Vedas II configuration menu is shown below Further explanations are available in section 3 5 2 PRR NH OW QT oa e UNA SYSTEM CONFIGURATION Setup Program Terminal Interface Set Station Number Name Set Date Time GMT Set Date Format Set Error Log Modes Set Archive Memory Modes Set Power Down Voltage Setup Modem Interface Enter Formula Send Program Parameters Overwrite Program Parameters Set Menu Language 3 5 USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 5 1 7 Main Menu Selection 7 Operator Mode Menu Selections from this menu include operator control functions and inputs The operator mode menu is shown below Further explanations are available in section 3 5 3 OPERATOR MODE MENU Immediate Task Execution View Archived Data Send Archived Data Display Current Output Message Creat Emergency Messag For RF Transmitter Display Formula List Test Formula Display Resident Task List Display PCMCIA Card Information Erase Format PCMCIA Card Update VEDAS II Software From PCMCIA Card H OO W
67. DIX A 5 A 5a GOES OUTPUT MESSAGE STRUCTURE VEDAS Default Format The GOES transmitter output message structure is determined by the VEDAS software and the selection of transmission message format The transmission message format is set during the programming ofthe GOES transmitter output task It supports a detailed message format and a condensed message format This format may be modified to a customers requirements if the detailed or condensed formats are not suitable The Detailed Format HEADER station ID VEDAS Vx xx yyyy mm dd where station ID is the station name entered by the operator Vx xx is the version of the VEDAS software yyyy is the year of the transmission mm is the month of the transmission dd is the day of the transmission DATA lt label gt data hhm m lt d ata hhmm d ata hhmm label data where lt label gt is the acquisition label lt data gt is the latest acquisition data the data is expressed according to the data format setting hh is the hour of the acquisition time stamp mm is the minute ofthe acquisition time stamp Diagnostic errors are added to the end of the transmission if so selected by the operator EXAMPLE Valcom_Ltd VEDAS V1 0 0 1992 04 02 VB 12 342 0115 12 401 0015 12 432 2315 HG 1 2324 0110 1 2852 0010 1 2754 2310 TW 1 2134 01 10 1 2001 0010 1 1983 2310 D A 06 4 08 1 USER S MANUAL VEDAS II APPENDIX A 5 A 5b GOES OUTPUT MESSAGE STRUCTU
68. E 8 1 SECTION 8 0 VEDAS II TELEPHONE INTERFACE 8 1 Introduction The Vedas II system has two methods of communicating via the telephone system The first method involves a direct connect internal modem that is mounted in the Vedas II enclosure The second method of interfacing is via the RS 232 port which when used with an external Hayes compatible modem also provides a direct connect system 8 2 Vedas II Internal Modem Interface Access to the internal modem is performed via the telephone interface connector found on the connector board of the Vedas Il enclosure This is connected directly to the TIP and ring functions of the modem The Vedas II telephone interface provides the necessary electronics to directly connect to a single line telephone network The V edas II software supports an auto answ er mode operation with up to 14 400 baud rate 8 2 1 Modem Setup In order to program the Vedas II system to use the internal modem the operator must first ensure that the internal modem is installed and that the jumpers JP1 JP2 JP3 JP4 and JP13 are NOT installed To check this easily from the main menu enter 8 Diagnostics Menu then enter 9 Vedas II Information The status of the internal modem should be displayed To access the modem parameter set up from the main menu enter 6 Configuration Menu then enter 8 Setup Modem Interface Enter No to the password and then enter 1 Internal Setup the ba
69. I HARD WARE CONNECTIONS 2 1 SECTION 2 0 HARDWARE CONNECTIONS 2 1 System Grounding A good system chassis ground is requiredby thelightning transient and EMI protectioncircuitryin the Vedas IIsystem An acceptable earth ground usually consists of a steel rod driven approximately three feet into the earth s surface The earth ground connection is made to the Vedas Il via a3 8 in lid mounted chassis stud refer to Figure 2 1 When laying out the grounding conductors conductor size should be greater than 18 AWG at the site the operator should ensure that only a single path to the earth ground exists This single ground path prevents transients which develop due to differences in electrical potential inthe grounding system 2 2 Terminal Strip The Vedas II has a connector board mounted on the side of the unit Itprovides input and output connections to sensors and other peripheral equipment Many of these connections have more than one function They can act as input and output and be used by several types of acquisition tasks The RS 232 and SDI connectors are removable and the remaining connectors are simple terminal strips for easy connection to any sensor system aR a mo a Figure 2 1 Terminal Strip Layout USER S MANUAL VEDAS II HARD WARE CONNECTIONS 2 2 1 2 2 2 2 2 2 1 QD did 2 2 2 3 2 2 2 4 2 2 2 5 2 2 2 6 22 264 Shield Connections The shield connections should be made to ground The shie
70. Internal Modem Is Using This Channel Cause Solution being used by another function The intemal modem shares hardware with the RS 232 interface and the Orbcomm connector Only one of these functions can be used ata time Hardware jumper configurations control these functions Internal Modem Is Not Installed Cause Internal Modem D oes Not Support This Solution Internal Modem Is Installed Cause Solution Cause Interval of Acquisition Exceeded Solution The internal modem may not be installed or the intemal hardwired jumpers may not be set forinternal modem use Check the Vedas II Information in the diagnostic menu to check the status of the internal modem The Internal Modem and the RS 232 and the Orbcomm share internal hardware If this isa problem contact Valcom The operator may have request use of a channel that is for further information The Internal Modem may be installed or the internal hardwired jumpers may be set for internal modem use Check the Vedas II Information in the Diagnostic Menu to check the status of the internal modem Set the modem for zero and re initialize the unit The Internal Modem RS 232 and the Orbcomm all share internal hardware If this is a problem contact Valcom for further information The period of acquisition exceeded interval of acquisition Either increase the interval of acquisition or decrease the period of acquisition The period ofacquisition must be less than the
71. Language 00 1oU Uu N P OPERATOR MODE MENU Immediate Task Execution View Archived Data Send Archived Data Display Current Output Message Display Formula List Test Formula Display Resident Task List Erase Format PCMCIA Card PR 0 010050 N pP ro Program Terminal Interface Display PCMCIA Card Information Upgrade VEDAS II Software from PCMCIA Card Create Emergency Message for RF Transmitter 107 DIAGNOSTIC MENU Direct SDI 12 Communication Direct Serial Communication Test Display and Keypad Test FLASH Clear Archive Memory Display Error Log Display VEDAS II Information 0 100 5UNpP Resident Task Description Disable RF Transmitter RF Transmitter Switched 12 Volt Output Switched 12 Volt Output Disable Switched 12 Volt Output Enable Switched 12 Volt Output Display Greenwich Mean Time Enable Disable Enable Beep Program Terminal Bell Direct RF Transmitter Communication SDI 12 Communication Loopback Test VEDAS II was Reset On VEDAS II was Last Initialized On Program Parameters Last Archived On Archive Memory Will Be Full On 1998 08 18 At 08 17 52 1998 08 18 At 08 17 52 1998 08 18 At 08 17 52 2001 03 21 0 Seconds Were Added To The RTC Since 1998 08 18 At 08 17 52 0 Seconds Will Be Added To The RTC At Midnight Program Parameter Checksums Calculated Current SRAM Archived FLASH 12 Volt Switches Internal Modem Analog Sectio
72. MATA OB uN hp 3 5 1 8 Main Menu Selection 8 Diagnostic Menu Selections from this menu include the direct communications with RF transmitters and serial or SDI 12 device s The menu also displays diagnostic tools for error detection and correction The diagnostic menu is shown below Further explanations are available in section 3 5 4 DIAGNOSTIC MENU Direct RF Transmitter Communication Direct SDI 12 Communication Direct Serial Communication SDI 12 Communication Loopback Test Test Display and Keypad Test FASH Clear Archive Memory Display Error Log Display VEDAS II Information O00 J0014 C0 ho Ra 3 5 1 9 Main M enu Selection 9 Calibrate Task To ease the process of setting the Vedas II output levels to the gauged level a site calibration screen option has been incorporated into the Vedas II system Refer to section 7 11 for a detailed description In summary this feature scrolls through each of the tasks displaying the task label and the currentvalue At each entry the user has the option of entering a new gauged calibrated value at which time the Vedas II will immediately perform a single sample of the sensor compare the entered value against the value acquired from the sensor and adjust the calibration offsetaccordingly Subsequent sensoroutput values will reflect the new datum point entered by the user The calibration offset of the task may be altered to bring the sensor into calibration 3 5 1 1
73. MITTER INSTALLATION 9 Introduction This section deals with the installation and verification of the GOES transmitter The Vedas II software supports the Telonics TGT 1 transmitter the Valcom mo del 697 07 transmitter and the V GOES model HDR transmitter 9 2 Synthesized GOES Transmitter The GOES transmitter is used by the Vedas II to send environmental data observations from ground stations to the GOES satellite Data and programming information are inputto the transmitter overa bidirectional serial ASCII port in the unit Any of the 199 North American GOES channels may be selected through the operator menu The GOES transmitter is compact and highly reliable It incorporates extensive VLSI technology and has low power consumption It is designed to withstand the most severe of climatic conditions and is certified by the NOAA NESDIS for stand alone operation with the GOES system 9 2 1 Installation Installation of a GOES transmitter into a Vedas II unit is not a simple procedure and is ideally suited to the shop environment 9 2 1 1 Requirements You will require GOES Transmitter TGT 1 697 07 or SAT HDR GOES Transm itter Cable GOES Transmitter RF Cable GOES Antenna and Cable GOES Mounting Bracket Mounting Hardware 697 07 Mounting Bracket if 697 07 isto be Installed SAT HDR Mounting Bracket if SAT HDR is to be installed GPS Antenna and Cable 1f SAT HDR is to be Installed Please contact Valcom if you do not have a
74. No Errors 14 19 34 14 19 06 Figure 3 1 Condensed Task Display The archive capacity line item indicates in the case ofan initialized system the date at which the Flash memory archive will be full based on the current acquisition parameters The archive memory can be set to overwrite the oldest data or to discard the new data The condensed display command may be refreshed by striking the lt SPACE gt bar USER S MANUAL 3 5 1 5 Main Menu VEDAS II SYSTEM CONFIGURATION Selection 5 Detailed Task Display This selection disp lays a list of all valid tasks and prompts the operator for a task priority number This detailed task display will shows the acquisition parameters ofthe specified task Entering a priority of zero 0 causes all the system parameters and taskscurrently in the system to be displayed in detailed format Below is an example of an analog task Task Priority gt 1 Task Type gt Analog Acquisition Input Type gt Differential Analog Input Channel gt 2 Measurement Type gt Voltage Analog Output Voltage gt 3 000 Volts Analog Output Channel gt AO Switched 12 Volt Output gt None Ou Am tput Settling Time gt 00 00 01 p Gain gt 1 Task Label gt USER LABEL 10 Digits Maximum Start of Acquisition gt 00 00 00 In terval of Acquisition gt 01 00 00 Number of Samples gt 1 Sample Option gt Last Ou tput Data Format gt 5 Digits
75. P De A 4 14 4 4 1 1 16 GOES Random Ch nnel ur ite eB ROPA RO E 4 14 4 4 E 1 17 Common Task Elemento useless re dee cares ane dete s MAP erue IA ctt tg 4 14 4 4 1 1 18 Update New Settings to the GOES eras 4 14 4 4 1 1 19 Add Power Acquisition Task o o ooooo o eee eee eee eee 4 14 dd T120 Type of Power Reading cotidiana he Dae ees o dee she ete we ELS 4 14 4 4 1 1 21 Units of Power Reading oreen eee hh 9 n 4 15 4 4 1122 Start of Power Acquisition 24 6653 eee A A wis eus eu Ko 4 15 4 4 1 123 Intervalof Power Acquisition ci Re a AI OR ee eee bee A alee nee 4 15 4 4 2 Add Modem Output a oe Babe REY ea WA A A GENERA UY HE A ue 4 15 4 4 2 1 Task Programming A Ae eae RE a A er i Ree NS Se 4 15 4 4 2 1 1 Priority OfzD ske ai e s VEI RU eA c ira Sh Baal ac deans ER 4 15 4 4 2 1 2 Telephone Number ibis antros bee aauls d 4 15 4 4 2 1 3 Start Of OUtput y xt sete elm e rr En ec nre Sa reete AUR wee A ee a ep eu od 4 15 4 4 2 1 4 Output Intervalos coercere XR GREG dU P RENI RSS qa C EUER RET E 4 15 442 1 5 Baud Rate s eee eet e ete ede ese acp her Robe d a tee yd e haute tenet EIE ORE UR UE ERAN 4 15 44 2 1 6 Number Of Bits 2c di bive saab aed eo ERG eda eis EDUC C e EO toe aod 4 16 4421 7 Number Of Stop Bits i cece ccs ses elder a eme ERR ae Ue aed ATA Mb geen Re A 4 16 4424 8 Parity BIt svo A ee a a eee as Pa ees Lees Se ex ee 4 16 44 219 a Retry Dela y Min vss A Ed AE Wa De te di e d eR 4 16 4 4
76. RA QR ERU aa rU 4 3 Table 4 3 Example TX Archive Settings 0 ee eR ehe 4 4 Table 4 4 Example TX Archive Contents esee ue 4 4 Table 4 Alarm Entry Formats a a E NR ERE RO UC we xt te uk s te 4 5 Table 4 6 Priority Numbers Resident Tasks 0 0 ees 4 5 Table 4 7 Gain Factor Voltage Ranges 1 ehe 4 8 Table sl Resident Task Listing 5 ys e eR Rev x Me Re PAS BOE EE Ne REQUE aU iie ure rg 5 2 Table 5 2 Error Messages for SDI 12 Loopback Test o o oo ooooommoorrrr RR ah 5 4 Table 7 1 Additional Station Parameters USER S MANUAL VEDAS II INTRODUCTION 1 1 SECTION 1 0 INTRODUCTION 1 1 Purpose and Scope of Manual This User s manual is written for the Vedas II Valcom Environmental Data Acquisition System manufactured by Valcom Limited It provides descriptions regarding the specifications and operation of the unit The manual is organized to optimize the time of the first time user as well as the fully seasoned operator Seasoned operators of the previous V edas unit should notice distinct differences in the Vedas II Itisalso assumed thatthe operator has an understanding of electrical concepts like voltage resistance and current Information contained within the manual may appear more than once to maintain flow and prevent excessive cross referencing Chapter 1 The Introduction details the system capabilities specifications and the procure ment options It provides an overview of the V
77. RE The Condensed Format HEADER lt label gt MM II lt value 1 gt lt value 2 gt lt value n gt where Delimiter designates start of record label Is a 10 character label applied to the acquisition by the user during creation MM Is the time in minutes before transmission that the latest newest sample was taken Delimiter II Is the time interval in minutes between the values transmitted Value delimiter either or depending on the sample polarity lt value gt Is a single acquisition value of 4 significant digits If decimal notation is incapable of displaying the value scientific notation will be used The values are display in chronological order with the newest value being first The above pattern is repeated foreach acquisition to be transmitted The task priority value determines the order of transmission with the lowest value being transmitted first Diagnostic errors are added to the end of the transmission if so selected by the operator USER S MANUAL VEDAS II APPENDIX A 6 A 6 MEMORY ARCHIVE MESSAGE STRUCTURE The VEDAS memory archive dump format contains parameters sep arated by forward slashes and consists of both data entries and date stamp entries The memory dump always begins with a date stamp entry The data format is as follows lt CR gt lt LF gt Sensor Label Sensor Data Acquisition time Below is a sample sensor entry lt CR gt lt LF gt BB 1 4567e 01 01 15 03 where l
78. RFI shielding Weight e 3 kg without any options Real Time Clock e 60 sec month higher accuracy with GOES Display Keypad e 20 5x7 dot matrix characters x 2 lines e Display area 7 08 cm x 1 15 cm e VFD 40 C to 85 C or optional LCD e Keypad 8 keys Communication Interface e Two RS 232C ports e Selectable baud rates from 300 to 57 6K e Program terminal cable included 9 pin female D connector for program terminal PCM CIA FLASH M emory Card Slot e Accepts one linear type I or II 5 V 8 MByte PCMCIA FLASH M emory Card e Optional PCMCIA FLASH Memory Cards standard or rated for 40 C to 85 C e PCMCIA FLASH Memory Card is used to retrieve stored data upgrade operating system software or download user program parameters Memory e 1 MByte FLASH for operating system user program and data storage 64 000 entries e 128 Kbyte SRAM VEDAS II APPENDIX A 12 SDI 12 e Each of the 2 SDI ports can support sensors with addresses ranged from 0 to 9 a to z and A to Z e Each port can also be configured as a digital I O or low frequency pulse counting channel Digital VO e 8 I O channels 5 input only channels e Output level 1 ma 45V high _5 0V low _0 2V e Input level 3 5 V high 5 0V low 1 0V o Output resistance 465_ e Input resistance 200 K_ Excitation Outputs e 4 Individually programm able outputs 0 to 5 0 V 20 ma 1 22 mV resolution high impedance off state load compensated e 2 pro
79. Reserved Table 2 1 Hardwired Jumper Configurations 2 8 USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 1 SECTION 3 0 SYSTEM CONFIGURATION 3 1 System Hookup The Vedas II unit will be shipped as aready to use assembly with all internal components tested and approved All internal contents should be as specified at the time of procurement This can be checked as soon as the unit is powered up To install the unit only the external connections are required The GOES Orbcomm transmitter if so equipped is mounted internally All that remains to be done is to connect the appro priate cables to their corresponding connectors on the Vedas Il enclosure Refer to section 7 0 installation for further information 3 2 AutoBaud Mode If the program terminal baud rate has not been set the Vedas II will enter the autobaud detection sequence upon power up Wait an initial two seconds after the power is applied to insure the autobaud mode is in effect The autobaud detects sequence expects the operator to enter a lt space gt bar after which hardware based counters measure the pulse width of the break character to determine and match the input baud rate Refer to section 3 4 for start up procedures The followmg lists the supported baud rates for the program terminal 300 600 1200 2400 9600 19200 38400 and 57600 It uses eight data bits no parity 1 stop bit 3 3 VEDAS II Program Monitor System The Vedas II system contains
80. TOR TXD pin 2 RXD pin 3 GND pin 7 RI pin 4 USER S MANUAL VEDAS II HARD WARE CONNECTIONS 2 7 2 2 10 Telephone Modem Interface Figure 2 13 Telephone Port Cable Configuration Telephone 4 Tip Port 5 Ring 2 2 41 UHF Antenna The unit has a GOES transmitter connector installed on the case of the Vedas II The UHF Antenna connectoris an N type the GOES antenna cable has a mating connector The GOES transmitter is located under the Display Keypad Panel and is connected internally The GOES transmitter should never be used without an antenna connected to the output or a calibrated 50 dummy load Caution should be used when working near the UHF Antenna outputas there willbe RF energy present during transmission 2 2 12 RF TX Power Monitor If an optional GOES transmitter is included with the Vedas II system the operator does not need to access the forward and reflected power signals from the transmitter via the terminal strip connection These functions are now built in to the acquisition menu structure Refer to Chapter 4 for further instructions USER S MANUAL VEDAS II HARD WARE CONNECTIONS 2 3 Internal Configurations 2 3 T 2 3 2 Clock Battery Contained within the Vedas II is an RTC Real Time Clock device This component allows the Vedas II to maintain the correct time if a power down or sanity timer trip condition occurs In order to maintain the time in a power down condition a printed wiring board mounted bat
81. The Vedas II will inform the operator of entry errors Logarithms must have a positive non zero input It is important to test a new formula to ensure it is correct Subsequent task calibration may alter the calibration offset value to calibrate the specific readings for that sensor 10 2 3 Testing The Formula This feature allows the operatorto testany formula to make sure the values are correct From the operator mode menu enter 7 Test Formula This option will display allof the formula currently in the system and prompt the operator for the formula number It will request and calibration gain and calibration offset and then an input value The formula will run and display the result for operator verification 10 2 4 Mathematical Functions And Operators The Vedas II formula can use simple mathematical operators such as plus minus multiply and divide It can also use mathematical functions such as trigonometry functions square roots and logarithms Use x as the current task s acquisition value Lower case only Use z as the result of an optional 1st stage formula Lower case only Use w as the result of an optional 2 stage formula Lower case only Represents a task priority number from 1 to 48 VALID INSTRUCTIONS Mathematical Operators Available multiply divide remainder add subtract A raise to the power m minimum M maximum HvH average acquisition value in task range Mathematical Functions Available
82. UIPMENT ATTACHMENT LIMITATIONS RE VEDAS TELEPHONE INTERFACE OPTION NOTICE The Canadian Department of Communications label identifies certified equipment This certification means that equipment meets certain telecommunications network protective operational and safety requirements The Department does not guarantee the equipment will operate to the users satisfaction Before installing this equipment users should ensure that it is permissible to connect the equipment to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extensioncord The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecomm unications company cause to disconnect the equipment Users should ensure for their own protection that the electrical ground connections ofthe power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularlyimportant in rural areas CA
83. UTION Users should not attempt to make such connections themselves but should contact the appropriate electric inspection authority or electrician The Load Number LN assigned to each terminal device denotes the percentage ofthe total load to be connected to a telephone loop which is used by the device to prevent overloading The termination on a loop may consist of any combination of devices subject only to the requirement that the total of Load Numbers of all the devices does not exceed 100 SOFTWARE DISCLAIMER WARNING Users should not attempt to upgrade earlier versions of VEDAS II units with later versions ofsoftware than what was originally installed As aresult of continual improvements to the resident software on the VEDAS II units trying to install later versions of software than what was originally released with the unit may cause damage to the memory locations storing pertinent information about the VEDAS II unit This includes the calibration data in the case of Level 2 units and archived information Valcom can not guarantee the reliable operation of the VEDAS II unit should such a software upgrade be attempted by anyone other than a Valcom employee If software upgrades are requested or required the VEDAS II units should be retumed to Valcom to perform the work USER S MANUAL VEDAS II Page iv Table Of Contents Page Section 10 INTRODUCTION 1 1 Purpose and Scope of M nual anida Sek PaO Ii EA RA eee A RARE A RA Y a S 1
84. VEDAS II ACQUISITION PROGRAM MING 4 3 4 2 VA Baud Rate ia it etta Ner Rt TR Das Default 9600 The serial ports supports baud rates of 300 600 1200 2400 4800 9600 19200 38400 and 57600 4 3 4 2 Number Of Bits eaae boa b a UR A E Rey pe RR eee ae le Ree ga Default 8 The operator must match the expected serial data format to the Input serial data format The default is 8 Bits with 1 stop bit and no parity The operator may select 8 bit or 7 bit data format 4 3 4 21 6 Number Of Stop Bits uel ue RERO A OO ie Heh ITA ure APR IEEE Default 1 The operator may select 1 or 2 stop bits 43 42 17 Panity Bit os v3 soe cee hae eed tec hee Vite Se Sea eos OR ead LN ELEC EE GEN dg Default None The operator may select none even or odd parity ifthe number of bits has been set to seven If eight bits are selected it will use no parity always 4 3 4 2 1 8 Message Length 1 127 eked hg ias a EE vu y Pa acea es ART X ER TE HEN Default 32 The number of characters in the message 4 3 4 2 1 9 Switched 12 Volt Output Default None The Switched 12 volt output allows the operator to attach a 12 volt strobe to the task If a 12 volt strobe is not required an input of 2 None is specified when programming the task Strobes 1280 and 12S1 refer to the 12 volt strobes outputs attached to the power outputs on the connector board on the side of the unit The 12 volt strobe is installed on all un its 4 3 4 22 Common Task Elements ssi
85. all units 4 3 2 48 Output Settling TIME ii din sas ASE ue Ae he Ps lags AE RAD RW AAA Default 00 00 01 If a reference voltage or 12 volt strobe is required the operator is prompted to specify the amount of time that the reference voltage and or 12 volt strobe is to be present before the acquisition process is started The warm up time is specified in a HH MM SS format 4 7 USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING 4 3 2 49 Amplifier Gain oy ict a dae ck A A A Mate Rec PU UR poate RES ede ents Default 1x The gain factor prompts the operator to select a signal pre amp gain factor before the analog to digital conversion is performed The analog board pre amp can be set to have a gain of 1x 10x 100x or 1000x Refer to table 4 8 for the maximum voltage range available when using 10x 100x or 1000x gain Ix 5 0 to 5 0 10x 0 5 to 0 5 100x 0 05 to 0 05 1000x 0 005 to 0 005 Figure 4 7 Gain Factor Voltage Ranges 4 3 2 4 10 Common Task Elements 0 ccc rra Defaults as specified Refer to section 4 3 for a description of the reminder of the task pro gramming elements 4 3 3 Digital Sensor Tasks 4 3 3 1 Parallel Input The digital taskis for parallel input or outputon the digital I O connector The digital I O connector is for digital inputs and outputs DO to D5 only DO to DS are always available The other digital inputs share hardware with the SDI inputs and the pulse counter
86. any time by requesting and obtaining a new binary formula file from Valcom Limited The contents of the Satellite output message is fully programmable The operator selects the time and the number of acquisitions from each sensor that are to be transmitted via satellite link 1 3 System Requirements The Vedas II system requires a power input of 11 15 volts DC This is usually provided by a 12 volt automotive style deep cycle battery If long periods of unattended operation are required an auxiliary charging system will be required such as a solar panel or 120 VAC charging circuit Battery selection depends on the contents of the Vedas II and the number and type of sensors connected to the unit A fully loaded V edas II draws approximately 1 5 mA during sleep mode 50 mA while active and 65 mA during A D conversion Add 10 mA if equipped with a GOES transmitter The Goes transmitter will require about 4 amps during transmission The Goes transmitter plus the sensor load determines the discharge rate of the battery 1 4 System Specifications The table below lists the individual options of equipment supplied with the Vedas II and outlines the equipment specifications The equipm ent listed is for the basic unit and all available options Table 1 1 Individual Equipment Specifications EQUIPMENT NOMENCLATURE DESCRIPTION Vedas II Processor MC68HC1 6Z1CFC16 microcontroller Motorola 1 Meg Flash 131K bytes SRAM Memory RS 232C 300
87. as II electronic hardware is notuser serviceable or field ser viceable T he only field service operations are to install peripheral components like a GOES Transmitter Internal Modem or replace the Internal Battery Please contact Valcom if you require assistance installing any new items like these Please contact Valcom if a Vedas II unit requires an electronic upgrade Software upgrades can be performed by the operator Vedas II System Hardware is constructed mainly of surface mount devices There are only two printed wiring boards the main board and the c onnector board B oth of these boards are static sensitive and should Not be handled All service work should be performed at Valcom Ltd Postal Address Shipping ad dress Valcom Ltd Valcom Ltd P O Box 603 175 Southgate Drive Guelph Ontario Guelph Ontario Canada N1H 6L3 CanadaN1G 3M5 Telephone 519 824 3220 Fax 519 824 3411 12 2 Installation of Analog Section Valcom can install an analog section in any Vedas II unit The unit must be returned to Valcom for the installation Please contact Valcom about arrangements regarding the installation procedure 12 3 Installation of Internal Battery Valcom can install an internal battery and battery charger in any Vedas II unit If the unit does not currently have a battery charger then the unit mustbe returnedto Valcom forthe installation Please contact Valcom about arranging to have this procedure done If the unit curr
88. ation and helps the operator set up the Vedas II system in a step by step manner with the goal of obtaining a fully operational site Chapter 8 The Telephone Interface section provides a detailed description of the internal modem interface and the extemal modem interfaces available with the Vedas II system Chapter 9 The RF Transmitter Installation section contains detailed instructions for the requirements and procedures for installing an RF transmitter in the field Chapter 10 The Entering Acquisition Formula section details the procedure for entering and using new acquisition Formulas The formulas can be used by any of the acquisition tasks to process the raw data into user specific formats Chapter 11 The Operational Theory section describes how the unit operates and details the actions of the acquisition task and how they function Chapter 12 The Upgrading System Hardware section details the optional hardware ofthe Vedas Il and if it can be added in field It also details the procedure for added an internal modem to the system Chapter 13 The Programming Examples section contains examples ofhow an acquisition task may be programmed USER S MANUAL VEDAS II INTRODUCTION 1 2 System Description Capabilities The Vedas II is a multi faceted self contained data acquisition platform It is user configurable and is fully capable of meeting single and multiple real time data acquisition requirements Packaging is
89. aud matching feature of the Vedas II If a different key is pressed the Vedas II may interpret this as a different baud rate If this occurs disconnect the program terminal cable wait a few seconds then reconnect it and press lt SPACE gt again USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 2 g Ifthe text FLASH Check appears but the Vedas II sign on VEDAS X XX does not appear and the system never prompts for the date press the lt SPACE gt bar again h If there is still a problem performing a memory initialization refer to the procedure as detailed in Appendix A 9 The watch dog timer mayhave tripped and caused a WatchDog Error Thisis nota problem Pressing lt SPACE gt will reinitialize the unit i If no message appears remove the power connector check all electrical connections and repeat steps d through g j Ifno message appears remove the program terminal connector wait 30 seconds replace the connector and repeat steps e through g k If at this point still no message appears mark the unit as unserviceable and return for repair 3 5 Menu System The Vedas II is set up with a menu system to access all functions The following section describes the function of each menu selection Refer to Appendix A 1 for a complete menu map Throughout the design of the Vedas II menu system efforts were made to maintain common keys or constructs for particular functions Therefore thro
90. by Immediate Task Execution They are as follows P Resident Task Description 100 Disable RF Transmitter 101 Enable RF Transmitter 102 Disable Switched 12V Output 12S0 103 Enable Switched 12V Output 12S0 104 Disable Switched 12V Output 12S1 105 Enable Switched 12V Output 12S1 106 Display Greenwich Mean Time GMT 107 Beep Program Terminal Bell End of List 3 5 3 9 Operator Menu Selection 9 Display PCMCIA Information This option disp lays information about the PCMCIA card that has been inserted into the PCMCIA memory card slot The card must be present It will display the number of free bytes the write protection status and the manufacturer s information about the card itself 3 5 3 10 Operator Menu Selection 10 Erase Format PCMCIA Card This option will erase and format the PCMCIA card When the formatting is completed the card will be empty and ready to store archived data 3 5 3 11 Operator Menu Selection 11 Upgrade Vedas II Software From PCM CIA Card This option allows the operator to load new Vedas II Software from the PCMCIA memory card The card must contain a new version of Vedas II Software 3 5 4 Diagnostic Menu The diagnostic menu allows the operator to verify the integrity of the Vedas II unit and connected peripherals and to perform set up procedures on serial sensors prior to acquisitions ie set SDI 12 device address etc Refer to section 5 0 system utilities and d
91. cation The response is allecccccccommmmmmvvvxxx xx lt CR gt lt LF gt where lI is the SDI 12 level number indicating the SDI 12 version compatibility eg version 1 0 would be represented as 10 ccceccec is an eight character vendor identification to be specified by the vendor and is usually in the form of a company name or an abbreviation mmmmmm is a 6 character field specifying the sensor model number vvv the sensor version number Xx is an optional field ofup to a maximum of 13 characters to be used for serial number or other specific sensor information that is not relevant to the operation of the sensor Level Vendor M odel and Version data will be pro vided as a unique response to allow a data recorder to automatically select sensor specific firmware if it has this capability USER S MANUAL VEDAS II APPENDIX A 10 Description and Response Acknowledge Active This command returns a a lt CR gt lt LF gt response and will only be used with the transparent mode Extender Command Set to make sure the sensor responds before sending a more lengthy command The command 1 will be returned with the response of 1 if the SDI sensoris using channel 1 aM1 through Additional Measurement Commands aM9 Used to o btain different types of measurements The result of this command is exactly the same as the M or the V command This extension allows the data recorder to initiate different typ
92. check a valid option check a task table check and a check for a valid telephone condition The operator is able to edit the following diagnostic task param eters USER S MANUAL VEDAS II SYSTEM UTILITIES AND DIAGNOSTICS 5 4 2 Task Programming 542 L Priority Of Task 4 03 fo 44 44 vecopua pig ded feta tas irector Predefined Parameter 50 The diagnostic task has a predefined priority of 50 The operator cannot change this 2442 2 AS GAD OUP te 25d reU Ak ro IE NO ho Ut e tat en eee arched te No Default The label is the text that will precede the processed diagnostic acquisition in the output message It may be 0 to 10 alphanumeric characters in length 5 4 2 3 Diagnostic Check Int rv l 2 222 zopR3ob cpeel jugo A aq Ee aos Default 01 00 00 This interval is the time between automatic checks of the current error log The default time is one hour This interval can be set to record errors when they occur 5 4 2 4 Archive Error Log Errors iio ON ed ee bles Nube MA xb me SN IE qua dus Default Yes The archive error log errors allows the operator to specify that the total number of diagnostic errors saved as a memory archive data entry 5 4 2 5 Error Log Errors Sent By RF Transmitter leeee eee Default 2 All The Error Log Errors Sent By RF Transmitter option allows the operator to specify whether the Vedas Il errors are appended to the regular RF transmission GOES or Orbcomm The operator may choose to transmit
93. ct any unused number for a new entry Use Use R VAL x as the current task s acquisition value z as the result of an optional lst stage formula epresents a task priority number from 1 to 48 ID INSTRUCTIONS Executed From Left To Right multiply divide remainder add subtract raise to the power m minimum M maximum v average acquisition value in task range OTE Above Instructions All Have The Same Priority c cosine s sine t tangent q square root do first calculate z C arc cosine S arc sine T arc tangent f fractional i integer I 1 X h hyperbolic cosine H hyperbolic sine y hyperbolic tangent e exponential l natural log L base 10 log a absolute value D EXA 3 14159265359 d rad gt deg r deg gt rad get acquisition value from task P 1 1 23 x A4 x z z 2 2 x 3 3 FOR ULA 0 gt USER S MANUAL VEDAS II ENTERING ACQUISITION FORMULAS 10 2 10 2 2 Important Entry Notes It is important to understand these mathematical functions and use them properly or the results may be unpredictable Here are a few things to remember when adding a formula Even numbered formulas will add the calibration offset and then multiply by the calibration gain Odd numbered formulas will multiply by the calibration gain and then add the calibration o ffset Do not try to divide by zero The answer will not be useful Nested brackets are allowed Formulas execute in mathematical order
94. ction 30 SYSTEM CONFIGURATION 3 1 System Hoolkup 44 d c oes al le dedico ec ect Ne yet ea n eie o lesen e eet a deo hve tes 3 1 3 2 AutoBaud Mode Beste Opa eec ME BOREAM EE Quee ein eee tS 3 1 3 3 Vedas II Program Monitor System o 3 1 3 4 Vedas TLStart Up Sequence xeu ed ees R E E ERR CRE Les UE CHE MU TR ORARE 3 1 3 5 Menu Sy Stell sat satan ead giro Set ete qe nsa imp Incendie eres lens a A OND iuc S utr Raniah idet QOO 3 2 USER S MANUAL VEDAS II Page v Table Of Contents 3 5 1 Main Menu ce A en ag as ei ea Sate ER a teed os ha es 3 2 3 5 1 1 Add Task ia a iode qu e EU NE aot as iate a dE Pea ED 3 3 3 5 1 2 Edit Task a edad ehrevbpra posee adds ir adria risa dar idas 3 3 3 5 1 3 Delete Task io A Seah es tae Mate Ate aio ta A hah weg an da 3 3 3 5 1 4 Display V edas Schedule aii A AA A A A A Oe rae eee E Rie 3 3 35 105 Detailed Task Display eee nnn ee e 3 5 3 5 1 6 Vedas Il Configuration Menu c ux dee A Aue eed OR ta 3 5 3 5 1 7 Operator Mode M enue A A ad A ey eb ere De et ea Ss 3 6 3 5 1 8 Diagnostic Menu id Se e oe Re ae eal BG ed EE CAE EA eed RT ERR ene ree 3 6 3 5 1 9 Calibrate Tasks acini te ts tn DR de bt alee eia cec 3 6 3 5 1 10 Archive Progr m Parameters 224 3 400e des boa chad oso x4 pUCARAGWeeWpERG REC e i podsbo sid 3 6 3 5 2 Vedas II Configuration Menu espi as a a aa araia Ep a E e Ras 3 7 3 5 2 1 Setup Program Terminal Interface 2 5 seen ee ck e a eee een Meee ah AER 3 7 3 522
95. d Lift the PCMCIA connector tab Carefully place the panel back onto the unit making sure not to damage the PCMCIA connector Attach the four screws and screw covers Connect the antenna cable and antenna to the antenna connector as described in the antenna mounting procedures DO NOT operate the GOES transmitter without an antenna orcalibrated RF dummy load If you areinstalling a SAT HDR connect the GPS antenna to the GPS antenna connector found on the outside of the VEDAS enclosure Connect the power and follow the start up procedures If there is a problem disconnect the power Test the keypad and display using the system diagnostic menu Setup the GOES transmitter using a RF transmitter output task GOES Testing Refer to section 7 11 GOES Testing USER S MANUAL VEDAS II ENTERING ACQUISITION FORMULAS 10 1 SECTION 10 0 ENTERING ACQUISITION FORMULAS 10 1 Acquisition Formulas The Vedas II can apply conversion formulas to the data of any acquisition task These formulas are used to convert readings taken from an input voltage into other formats such asa temperature or pressure reading The acquisition task automatically applies a for mula to every acquisition T he default is formula 31 which simply multiples by a linear gain and adds are used an offset The default gain is 1 0000 and thedefaultoffsetis 0 0000 The reading will not change if the defaults Formula 30 would add the offset and then multiply by the lin
96. dnight Violations o uev ia e ec bate ceed Soe Metab uM RUN GR P RR ia daha RENS RURSUS R 4 1 4 2 4 Hardware Contentions 22 655 e564 aay doi i ta and thawed dete bee eet a Bo ead a g 4 1 4 2 5 Sensor Warmups ii dos A A AA A A A A A 4 2 4 3 Data Acquisition Tasks sso RR AS Cea GR Ux Kad NEUE Aaa SOEUR eS 4 2 4 3 1 Common Task Elements eee re 4 2 4 3 1 1 Task Prior ble coder A eee dh hee IN eee Gos 4 2 4 3 1 2 Daskibabel lt sJcon sad A Boe mate Dol repel a ate a nates eect a et ELA D RA Cds 4 2 4 3 1 3 Start ORACQUISINON c jets eee ea A Oe Ae Rae ea a TC ees Lan RR Re ae eS 4 2 4 3 1 4 Interval Of ACquisttiOn a da d 4 2 4 3 1 5 Number Of Samples suis ies dade ads yaaa da uei d Uds patatas feasted 4 2 4 3 1 6 Period Of Acquisition A eal deen ae 4 3 4 3 1 7 Sample Optiom sra di te Pawar ee ek Bade dabei A ee seing eee ims 4 3 4 3 1 8 Archiv e ACQuIsIT On 2 1 00 au Sues A O thon exec p s ee persos eed e ee feos feta 4 3 4 3 1 9 Number of TX Arclilves a ede enquiries p S DE ERR ae E S EEUEEDONSS 4 3 4 3 1 10 TX Archive Offset ioc se e URDU ep pH RP RM UTR Su COLE Ce SOS GENRE RR E IS 4 4 4 3 1 11 TX Archiye Interyal LESE RR ed Cnt X E EE Ak uibs Dis Sek De ata a 4 4 4 3 1 12 Formula N mber i seen Ae Se Sieh 9 RARE ok BALE ES ek AE BA TES Sus 4 4 4 3 1 13 Calibration Gain 3 2 see A tetto M RC E FR RERUM dea as at Be 4 4 4 3 1 14 Calibration Offset suelo pork RI v sides pando ae RISE 4 5 4 3 1 15 ALA A 22 ease
97. e 4 4 3 1 Resistance Measurement The Vedas II will supply an output voltage on one of AO A3 the current will flow through the resistance bridge and set up an input voltage that is directly related to the value of the unknown resistance An Analog input will read this voltage and calculate the resistance in Ohms 4 4 3 1 Half Bridge Method cusco 2 hari See teach lese la ERRARE oy eke es ee Oe Ra eek No Default The half bridge method is a voltage divider that will set up one input voltage for the Vedas II to read It can be used with a single ended analog acquisition or a differential acquisition with the negative connection grounded It requires one resistor of known value connected between an analog output and the analog input The unknown resistance must be placed between the analog input and ground The voltage at the input will be directly proportional to the unknown resistance Analog Output 0 5 Volts Known Resistor Analog Input Known Resistor Ground 4 16 USER S MANUAL VEDAS II ACQUISITION PROGRAM MING 4 4 3 1 2 Full Bridge Method video Y Ey ena es ee aperte e Ru een eu hs No Default The full bridge method will set up two input voltages for the Vedas II to read This full bridge method must be used with a differential analog acquisition It requires three resistors of known value and one unknown resistance Connect the resistors as shown The unknown resistor can be placed anywhere in the circuit T
98. e an internal address from 0 9 a z or A Z The operator should at this me verify that no sensors have the same address Consult the operator s manual for the appropriate SDI 12 sensor for the address change command if it is necessary to change a sensor s address In order to establish the address of each SDI 12 sensor it is necessary to enter a dummy SDI 12 task into the Vedas II system Once this is done the operator may establish direct SDI 12 communications via the diagnostic menu refer to section 5 2 for more information To establish the sensor s address connect the sensor to the appropriate Vedas II SDI 12 communications port If unsure ofthe correct channel the operator willhave to try all addresses from 0 to 9 ie type a lt ret gt where a is the address until a sensor response is obtained ie a lt cr gt lt If gt Once the address is established record the sensor address and disconnect the sensor Repeat the above sequence until the address of allsensors has been determined 7 8 Task Programming Once the Vedas II software has been informed of the hardware setup the operator is free to start entering the required data acquisitions to access the desired sensors Refer to section 4 Acquisition Programming for information on programming the data acquisitions Remember to save the acquisition program after the programming is complete The program parameters are saved by selecting main menu selection 10 Save Prog
99. e values are required from one sensor the sensor need only be accessed once using a conventional acquisition task with the remaining data requirements being processed by linked acquisitions An example is to take a temperature reading once per hour as an analog task then a linked task can use all of the day s readings to find the high temperature for the day It may also be used for applying different formulas to a sensor single reading This process saves time and extends the battery life Linked acquisition is not the same as an alarm activated task At the specified acquisition time the linked acquisition task willprobe the specified acquisition and gather the last data sample value obtained by the acquisition Subsequent data processing is identical to other acquisitions Note that the sample obtained is raw data ie has not been processed by the formula or calibration parameters The only exception to this occurs whena linked task is performed on another linked task In this case the value obtained has been processed by the specified formula and calibration values in the first linked task 4 3 6 1 Task Programming 4 3 6 1 1 Get Data From Task Number se en ea ee e Rae Re RR RS E Ree No Default This parameter requests the task priority number of the acquisition task from which the linked task will get itsdata The task priority must currently exist inthe system 4 3 6 12 Common Task Elements lt 0 5 02 044 gee be eae a Ea ROPA GR e eee AA De
100. ear gain Ifthe defaults are used the reading will also be the same 10 2 Formula Listing 10 2 1 This feature producesa listing of the acquisition formulas currently contained in the system The listing will display all ofthe userinput formulas 0 through 29 and all of the predefined formulas 30 though 43 A sample of the formula listing is shown below VEDAS II Formula List where x Current Task s Acquisition Value 30 even x Calibration Offset Calibration Gain 31 odd x Calibration Gain Calibration Offset 32 23 x x 34 35 1 x 36 37 Lakewood Temp Probe 10KOhm 5V Exite 0 5 Volt Output to Deg C 38 39 Campbell Scientific Temp Probe HMP 35C 0 5 Volt Output to Deg C 40 41 Converts 4 Bit 77C Wing Sensor Direction into Degrees 42 43 GOES TGT 1 Power Output Conversion to dbm Entering End of List Figure 10 1 Vedas II Formula Listing A New Formula The operator can enter a new formula into the Vedas II for use by any acquisition task There are 30 formula numbers available option 9 for user input numbered 0 through 29 The operator can access this feature through the configuration menu Enter Formula The Vedas II will list the following instructions on the screen and then prompt the operator to enter Formula 0 It will list any formula that may already be present Allof the formula numbers will be listed in order and the operator may sele
101. ectrical energy generated by electrical or electronic devices EMI has the potential to disruptthe operation of unprotected circuits Some modems contain built in error correction Error correction tries to compensate for errors received due to noisy telephone lines To implement error correction in a connected serial modem the hardware flowcontrol features of the Vedas Il and the connected modem should be enabled First In First Out Refers to a software buffer denotes that the first item to enter the buffer will be the first item to leave the buffer Program mable Erasable Read Only Memory The FL ASH is a non volatile memory device The FLASH memory can be erased in block sections only Any empty byte can have new data written to it A framing error occurs in serial data communications when data synchronized on a received start bit does not contain the proper trailing stop bit s The error may be accompanied by corrupted data Geostationary Orbiting Environmental Satellite The Hayes compatible modem is a modem device which incorporates the Hayes modem command set High Data Rate This is a term to describe the new generation of GOES transmitters capable of transmitting at higher baud rates than earlier transmitters Hexadecimal number A base 16 number system used in software It uses 0 9 and A F to represent 0 15 One hexadecimal digit is comm only used to represent four binary digits Once initialized the Vedas II system w
102. ed 1 minute before transmit time The acquisition occurring at 00 02 00 would not be complete therefore the acquisition occurring at 57 minutes after the previous hour must be used ADD SDI 12 Acquisition Priority of Task 1 47 gt 10 Number of Data Values 1 gt 2 SDI 12 Channel 0 SDI 0 1 SDI 1 1 gt Device Address 0 9 0 gt 1 Measurement Command M M1 M9 C C1 C9 RO R9 V M gt Switched 12V Output 0 12S0 1 12S1 2 None 2 gt Task Label gt VISE Start of Acquisition 00 00 00 00 02 00 Interval of Acquisition 01 00 00 00 05 00 Number of Samples 1 18000 1 gt Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 3 First Acquisition For Output Archive 00 00 00 57 Output Archive Interval 01 00 gt Attach Time Stamp To Output Archives lt Y gt Modem Sends Output Archives Y Formula Number 0 43 31 gt Calibration Gain 1 000000000 gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt EDIT Data Value 2 Task Label gt Verr Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt N Number of Output Archives 0 99 0 gt 1 First Acquisition For Output Archive 00 57 23 57 Output Archi
103. edas II s abilities and requirements Chapter 2 The Hardware Connections section details the external electrical connections to the Vedas II Electrical connections include power and operator communications as well as sensor connections Also detailed are the internal hardware jumper options Chapter 3 The System Configuration section details the initial set up ofthe Vedas II system This section describes the Vedas II menu system and its uses Topics covered are the set up of the RF transmitter and telephone modem interfaces as well as various internal options such as terminal baud rate etc Chapter 4 The Acquisition Programming section details the programmable parameters that accompany the various types of data acquisition tasks and data outputtasks The section first deals with commonelements that are found ineach task and then deals with elements that are task specific Chapter 5 The System Utilities and Diagnostics section details the built in system utilities and internal diagnostics which provide the operator with the tools necessary to set up and verify the operation of the connected sensors and or peripheral devices The diagnostics is a powerful tool to test internal hardware operation Chapter 6 The Keypad and LCD Display section details the use of the internal keypad and display It also describes the layout and uses of its own menu system Chapter 7 The Installation section details a site install
104. ently has a battery and battery charging circuit but it is malfunctioning or requires a new battery then it should be returned to Valcom for repair 12 4 Installation of High Speed Counter Valcom can install a high speed counter in any Vedas II unit The unit must be returned to Valcom for the installation Please contact Valcom about arrangements regarding the procedure 12 5 Installation of Goes Transmitter A GOES transmitter can be installed in any Vedas II unit The unit has mounting holes to accommodate the Telonics TGT 1 the Valcom 697 07 the CampbellScientific SAT HDR or Valcom VGOES H DR transmitters Each transmitter requires a different connection cable Please refer to chapter 9 for details about the procedure USER S MANUAL VEDAS II UPGRADING SY STEM HARD WARE 12 6 Installation of Internal Modem 12 6 1 Valcom can install an Internal Modem in any Vedas II unit The unit must be returned to Valcom for the installation Please contact Valcom about arrangements regarding the procedure If the unit is internal modem ready then the modem Cermetek model CH1794 can be installed by following the modem installation procedure Please note that the Vedas II contains static sensitive components Valcom does not assume any responsibility for damage done to the unit due to installation of any module outside of Valcom Ltd CAUTION The Vedas II system contains STATIC SENSITIVE DEVICES which may be damaged if a
105. ents of 100 FTU Task 10 will cause a strobe to be activated which in tum drives a water pump sampling system ADD Analog Acquisition Priority of Task 1 47 gt 3 Input Type 0 Diff 1 Single Ended 2 VEDAS Temp 3 Battery 0 gt Analog Input Channel 0 6 lt 0 gt gt 1 Measurement Type 0 Volts l Frequency 2 Half Bridge 3 Full Bridge 0 gt Analog Output Voltage 0 or 0 01 5 lt 0 000 gt gt Switched 12V Output 0 12S0 1 12S1 2 None lt 2 gt gt 1 Output Settling Time lt 00 00 01 gt gt 00 00 10 Amp Gain 1 10 100 1000 lt 1 gt gt Task Label gt OBS3 Start of Acquisition lt 00 00 00 gt gt 00 05 00 Interval of Acquisition lt 01 00 00 gt gt 00 10 00 Number of Samples 1 18000 lt 1 gt gt 10 Period of Acquisition lt 00 00 45 gt gt Sample Option 0 Min 1 Max 2 Last 3 Avg 4 Totalize 3 gt Output Data Format 0 Exponential 1 9 Number of Digits lt 0 gt gt 5 Archive Acquisition Data lt Y gt gt Number of Output Archives 0 99 lt 0 gt gt 6 First Acquisition For Output Archive lt 00 00 gt gt 00 05 Output Archive Interval lt 01 00 gt gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives lt Y gt gt Formula Number 0 43 lt 31 gt gt Calibration Gain lt 1 000000000 gt gt 400 Calibration Offset lt 0 000000000 gt gt 02 Alarm Limit 0 None or Limit After lt gt or fstart stop
106. er of Output Bits 0 8 lt 0 gt gt Switched 12V Output 0 12S0 1 12S1 2 None lt 2 gt gt 0 Output Settling Time lt 00 00 01 gt gt 00 00 02 Task Label gt Precip Gau Start of Acquisition lt 00 00 00 gt gt 00 13 00 Interval of Acquisition lt 01 00 00 gt gt 00 30 00 Number of Samples 1 18000 lt 1 gt gt 10 Period of Acquisition lt 00 00 45 gt gt 00 00 18 Sample Option 0 Min 1 Max 2 Last 3 Avg 4 Totalize 3 gt Output Data Format 0 Exponential 1 Number of Digits lt 0 gt gt 3 Archive Acquisition Data lt Y gt gt Number of Output Archives 0 99 lt 0 gt gt 6 First Acquisition For Output Archive 00 00 gt 00 43 Output Archive Interval lt 01 00 gt gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives lt Y gt gt Formula Number 0 43 lt 31 gt gt Calibration Gain lt 1 000000000 gt gt 0 001 Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or tfstart stop lt 0 gt gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 5 13 2 2 Tipping Bucket Rain Gauge The tipping bucket rain gauge provides 1 output pulse forevery 1 mm of rain gathered It is connected to PC4 An hourly precipitation value is required starting at the top of the hour ADD Pulse Counter Acquisition Priority of Task 1 47 gt 5 PCO PC4 Switched With GND SDI 0 amp SDI 1 Switch With 5 Volts Pulse Co
107. er to perform this function This Is An On Site Operation Only Cause message from a location other than the program terminal connector This function is only permitted from the site This Option Is Still Being Developed Cause Solution Too Many Program Parameters Were Received Solution Solution VEDAS II Is Uninitialized Solution The operator may have tried to enter an emergency The requested option is not currently supported in this version of so ftware Contact Valcom Limited for further information There may be too many parameters in the uploaded file or there may have been an error in transfer of the files from the terminal to the Vedas II Check the file it should be 8072 Bytes Check the baud rate Program parameters transfers should be performed at 9600 baud or lower The operator tried to enter the calibration screen and perform a local acquisition while the system was uninitialized Initialize the system before entering the calibration screen USER S MANUAL A 12 Vedas II Specifications Operating Temperature e 40 C to 50 C Input Voltage e 9 5to 17 VDC e Reverse Over Under voltage protected Input Current e 1 5 ma standby e 40 ma active e 60 ma during A D measurement Packaging e NEMA 4X moulded fibreglass polyester enclosure with 2 lockable quick release latches and 4 mounting feet e 30 5 cm x 25 4 em x 15 2 cm 12 x10 x6 e Internally coated for EMI
108. ereadingsor an SDI task for polling a shaft encoder Each differenttype of sensor has different interface requirements Therefore each acquisition task will contain specific parameters for dealing with the type of interface to which it is dedicated All acquisitions tasks havesome program parameters in common The Vedas II unit will query the operator for each parameter it requires to do a specific job while the task is being set up Any parameter the Vedas II does not require is not re quested This section deals with the actual programming parameters their options and defaults for each type of acquisition and data output tasks The general information section contains points which the acquisition programmer should keep in mind during the programming procedure It should also be noted that the Vedas II has two programming menu options 1 Add task menu for entering new acquisition tasks and 2 Edit task which can be used to modify the task param eters The pro gram parameters can be easily changed if they are not initially correct 4 2 General Information 4 2 1 Parameter Defaults The Vedas II software provides the programmer with default entries for most of the program parameters Simply press lt RETURN gt to accept the default choice offered The default is shown in brackets at the end of the line lt Default gt When in doubt the programmer can use the defaults provided 4 2 2 GOES Update Time The GOES transmitter RF transmitter outp
109. es of measurement calibration or control functions at different time intervals If N is zero 0 no data will be available during the subsequent D command Data Format Responses to the D command will be in the form of apd d lt CR gt lt LF gt where a is the sensor address and pd d is the value p is the polarity sign d represents numeric digits before or after the decimal A decimal may be used in any position in the value after the polarity sign If a decimal is not used it will be assumed after the last digit The polarity sign or will always be the first character of a value This means that in a response with multiple values the polarity sign is the delimiter between values The data recorder will be able to receive values containing between 1 and 7 digits The following is an example of a data block from a sensor address 0 containing 5 values 29 characters of data followed by a carriage return line feed combination 0 3 29 23 5 65 3 25 45 75 5491 lt CR gt lt LF gt USER S MANUAL A 11 Operator Terminal Error Messages VEDAS II APPENDIX A 11 The following program terminal error messages have been sorted alphabetically The first word Error is common to all of the error messages and has been removed for clarity Specific numbers have been replaced by The definitions given may not fit all possible causes of error messages Ifthe error messages are persistent Valcom should be co
110. et value thereby calibrating the obtained reading to the entered reading Refer to section 10 for further details on the operation of the Site Calibration option If a task being calibrated has connected linked tasks the operator will be prompted on whether to adjust the calibration offset parameter on each of the linked tasks 7 11 GOES Testing 7 11 1 7 11 2 7 11 3 Testing of the LDR GOES transmitter can be performed by one of two methods The first is easily set up as two acquisition tasks the second requires an RF power meter so that both forward and reflected power can be measured In both cases it is necessary to have a GOES transmitter task programmed into the Vedas II system followed by manipulating the Vedas II parameters to cause a transmission to occur Forcing a Transmission In order to force a transmission to occur it is necessary to manipulate the Vedas II system clock to a time of less than two minutes before a scheduled GOES transmission To determine the time of a scheduled GOES transmission you must take into account the GMT offset initialize the Vedas II system and use the condensed task display to determine the time of the next GOES transmission Nxt Acq parameter The system time should be set to the next GOES transmission time minus three minutes Once the timeis set initialize the system and wait The GOES transmission should occur less than 30 seconds after the schedule time GOES Power Acquisitio
111. f Samples 1 18000 lt 1 gt gt 10 Period of Acquisition lt 00 00 45 gt gt 00 09 00 Sample Option 0 Min 1 Max 2 Last 3 Avg 4 Totalize 3 gt Output Data Format 0 Exponential 1 9 Number of Digits lt 0 gt gt 4 Archive Acquisition Data lt Y gt gt Number of Output Archives 0 99 lt 0 gt gt 6 First Acquisition For Output Archive 00 00 gt 00 20 Output Archive Interval lt 01 00 gt gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives lt Y gt gt Formula Number 0 43 lt 31 gt gt Calibration Gain lt 1 000000000 gt gt 100 Calibration Offset lt 0 000000000 gt gt 106 05 Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 3 13 1 3 OBS 3 Turbidity Sensor The turbidity sensor is to be connected to channel 1 on the analog interface The output voltage swing of 0 to 5 volts corresponds to 02 to 2000 FTU The sensor requires an excitation voltage of 7 to 15 volts for 10 seconds before the first reading can be taken It is connected to 12S1 Six readings per hour are required starting at 5 minutes past the hour Hourly readings occurring at 5 minutes after the hourare to be sent to the GOES transmitter Each reading is to consist of an average of 10 samples taken at 5 second intervals Task 10 is required to be activated via alarm starting at a level of 800 FTU and then in increm
112. face Set RF Transmitter Type The Vedas II software must be informed of the type and parameters to be used in establishing an RF transmitterinterface Refer to section 9 0 for parameter nformation regarding the establishment ofan RF transmitter interface Set Other Site Parameters The operator may set other Vedas II parameters to configure the Vedas II system to individual preferences On the following page is atable detailing the parameter ashort description of the default condition and corresponding section in the manual that details the parameter 7 2 USER S MANUAL VEDAS II INSTALLATION 7 3 Set the station number and name Set the system date and time Set the display format of the date Set the error log mode to reset all errors at midnight Archive Memory Set the action to be taken once the FLASH memory is full Mode Power Down Voltage Set the power down voltage from 9 5 volts to 11 5 volts Modem Interface Set up modem if present Menu Language Set the menu language Terminal Baud R ate Set the default terminal baud rate Default is autobaud Table 7 1 Additional Station Parameters Save the configuration param eters after the programm ing is complete The configuration parameters are saved by using main menu selection 10 Save Program Parameters 7 7 Setting SDI 12 Sensors In order to program the SDI 12 acquisitions it is necessary to obtain the address of each SDI 12 sensor Each SDI 12 sensor may hav
113. faults as specified Refer to Section 4 3 for a description of the remainder of the task programming elements 4 4 Scheduled Data Outputs The Vedas II system in addition to providing scheduled ac quisition tasks also provides scheduled output tasks These tasks output the gathered data via a transmission medium to a central site The Vedas II output tasks consist of the RF transmitter output and a modem output For other possibilities please contact Valcom for technical assistance 4 12 USER S MANUAL VEDAS II ACQUISITION PROGRAM MING 4 4 1 RF Transmitter Output and Power Reading 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 1 1 The Rf transmitter can be a GOES transmitter or a future upgrade to an Orbcomm transmitter The GOES transmitter for the Vedas Ilis manufactured and or sold by Valcom Limited It is a fully synthesized unit and is approved by the NESDIS authority for use as a GOES transmitter The compatible GOES transmitters are the Telonics model TGT 1 the Valcom model 697 07 the Campbell Scientific model SAT HDR and Valcom model VGOES HDR Each of these transmitters require a different communications cable Please contact Valcom if you require assistance NOTE If during system initialization a GOES error is encountered ie placed in the Error Log the GOES task will be removed from the time table as an error was logged during the GOES set up procedure The GOES initialization
114. figuration M enu Selection 9 Enter Formula This selection will allow the userto input formulas for use by an acquisition task There are 30 user defined formulas available numbered 0 through 29 The Vedas II will display instructions for entering formulas and then display all of the formulas available for the user to enter or edit Please refer to chapter 10 for detailed instructions on the use of formulas 3 5 2 10 VEDAS II Configuration Menu Selection 10 Send Program Parameters This option allows the operator to send the archived program parameters from the Vedas Il to either a PC personal computer or to the PCMCIA card The program parameters are the acquisition tasks the unit has been program med to perform Storing them in a file will allow the operator to easilyreload them if they are erased or to program other units with exactly the same tasks 3 5 2 11 VEDAS II Configuration Menu Selection 11 Overwrite Program Parameters This option allows the operator to load new program parameters from either a PC or the PCMCIA card to the Vedas II unit It can also reload all of the default configuration settings into the V edas II 3 5 2 12 VEDAS II Configuration Menu Selection 12 Set Menu Language This option allows the user to select English or French when interfacing with the Vedas II menu system The default is English 3 5 3 Operator Mode Menu The operator mode menu allows the operator to verify the operation of the connected sensors
115. full date using the current acquisition schedule The Vedas II software has b een designed with flexibility in mind in order to satisfy diverse data collection requirements Using an RS 232C terminal the operator is able to program and retrieve information from the Vedas II via built in menu based operations The built in menu easily facilitates the initiation and completion of all operator based tasks Each acquisition is fully independent of other acquisitions and may consist of one or more raw data samples acquisition timing is determined by the start time the interval of acquisition and the period of acquisition Sample processing includes maximum minimum average and last options The Vedas II supports alarm activated tasks whereby if an acquisition exceeds a programmable alarm level a second acquisitionis activated Sup ported alarm types are fixed level fixed rate of change and fixed interval The alarmed task can be any existing task within the system including the GOES or telephone output tasks The event activated task system provides the tools to create a DCP with real time alarm rep orting USER S MANUAL VEDAS II INTRODUCTION 1 3 Each acquisition task allows the manipulation of the acquired raw data by providing inputs for basic slope and offset parameters This facilitates the conversion from raw data to engineering units and or compensation for site offsets Additional formula conversions may be added to the Vedas II system at
116. g a 697 07 it should already be mounted on the 697 07 mounting bracket Hook the bend of the 697 07 bracket into the slot on the GOES bracket Attach it withtwo 8 32 x 3 4 pan head screws at the other end If you are installing a SAT HDR slide the two C brackets around the transmitter and attach the assembly to the GOES bracket using four 8 32 x 1 2 flat head screws four 8 lock washers four 8 flat washers and four 8 32 nuts When installed the transmitter should sit parallel to the bottom of the VEDAS II enclosure with the RF output connector facing the back left corner Connect the Goes communication cable to the GOES transmitter and tighten the screws The TGT 1 the 697 07 and the SAT HDR require different cables Mount the GOES bracket into the unit Carefully reco nnect the internal Battery cable to J9 if it is present It should only fit one way Carefully connect the GOES communication cable to J12 on the printed wiring board It should only fit one way Connect the intemal GOES RF cable to the GOES RF connector and to the antenna connector on the VEDAS If you areinstalling a SAT HDR connect the GPS cable to the GPS antenna connector on the GOES transmitter and the n to the GPS antenna connector found on the inside of the VEDAS enclosure Get the cover panel Ifit has a keypad and display connect the flat keypad connector to J3 Keypad Connect the ribbon cable connectorto J4 Display The cables should not betwiste
117. gh 12 available 4 3 32 TA Bit Input Mode evi eT IARE EY WE ER eek OS RE EYGU RI iS Default B inary The bit input mode allows the operator to specify the data format of the connected digital input either binary or BCD 4 3 3 ET Invert Inp t cd dad LANE UN ESL hee eat RARUS AERE E Default No The invert input mode allows the operator the option of inverting the input before processing This option is required if the sensor employs a negative logic output D8 D12 PCO PC4 have internal pull up resistors and must be pulled down to record a low input 4 8 USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING 4 3 3 1 1 6 Number of Output Bits eue en RF ERA ER ey Wa RAD ERO ae a S RO Default 0 The number of bits that are to be used for digital output signals There are 8 outputs available DO through D7 4 3 3 1 2 Common Task Elements eeseeeee e rrt Defaults as specified Refer to section 4 3 for a description of the reminder of the task pro gramming elements 4 3 3 2 Pulse Counter Tasks The pulse counter task counts the number of input pulses over a given time period The operator may select a pulse counter input channel The input will then be sampled every 10 ms with either a rising falling or both edges causing a counter increment 4 3 3 2 1 Task Programming 4 3 3 2 1 14 Pulse Counter Channel 5 vu ae ERR e EET EROR EUER ER ae RE ATA Oe n Default PCO There are 7 channels available They are PCO throug
118. h PC4 and SDI 0 and SDI 1 PCO throughPC4 are pulled high and must be switched with ground SDI 0 and SDI 1 require 5 volts inputs to be switched 2 3 3 2 1 2 Transition Level cta ook ease cen nde eee eine ee ate EAR oe Leah EP EA Default Rising The transition level input allows the operator to select how the counter will be incremented The options are rising falling or both B oth will count twice as fast 4 3 3 2 1 3 Reset Counter After Each Sample 0 eens Default Yes This option allows the operator to reset the count to zero after each sample occurs The sample length is set in the acquisition interval If the input pulses occur at 20 per second and the interval is one minute then the pulse counter task will record 1200 pulses and reset to zero The display should read 1200 4 3 3 22 Common Task Elements eee eens Defaults as specified Refer to section 4 3 for a description of the reminder of the task pro gramming elements 4 3 3 3 Shaft Encoder The shaft encoder task can be used to directly connect to an incremental shaft encoder that does not have an SDI interface This usually involves four wires power ground LSBit and MSBit The Vedas II has an internal shaftencoder connector for interfacing the optional internally mounted shaft encoder This connector can be used with direct connections or SDI interfacing 4 3 3 3 1 Task Programming 4 3 3 3 1 1 Shaft Encoder Channel LSB Bit 0
119. haracters maximum and is then asked to verify it Note that during all password entry the Vedas II echoes to the screen Also note that there is a distinction between upper and lower case characters NOTE The default system password is a lt space character Once the telephone interface is entered via the Vedas II software slot assignment the unit is set to the default conditions The auto answer mode is immediately in effect 8 3 Vedas II Serial Modem Telephone Interface In addition to the Vedas II telephone interface card option the Vedas II now supports an extemal serial modem option via the RS 232 channel on the connector board This option allows the operator to use an external modem of their choice This includes the option of connecting a radio modem 8 3 1 Modem RS 232 Connections TXD 2 Transmit RS 232 RXD 3 Receive RS 232 Modem Vedas II GND 7 Ground Connector CD 8 SD DB 25 RI 22 RI Figure 8 1 Serial Modem Cable Connections 8 3 2 Modem Setup In order to program the Vedas II system to use the external modem the operator must first ensure that the jumpers JP1 JP2 JP3 JP4 and JP13 are Installed To check this easily from the Main Menu and enter 8 Diagnostics Menu then enter 9 Vedas II Information The status of the internal modem should be displayed as Not Installed To access the modem parameter set up from the main menu enter 6 Configuration Menu then e
120. hare their functions USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution SDI 0 1 Input Is Being Used By SDI Task Cause Solution The operator may have requested use of an input that is currently being used by another task Carefully examine the system hardware usage The operator may have requested a wrong port during program ming of a task SDI ports do share their functions SDI 0 1 Input Is Being Used By Pulse Counter Task Cause Solution The operator may have requested use of an input that is currently being used by another task Carefully examine the system hardware usage The operator may have requested a wrong port during program ming of a task SDI ports do share their functions SDI 0 Input Is Not Available RS485 Interface Is Being Used Cause Solution The operator may have requested use of SD I 0 while the unit is using the RS 485 They share internal hard ware and only one is availab le for use at a time The operator may choose to use SDI 1 if it is available Cause Solution The operator tried to perform an operation ona task that does not exist Review and re specify the task priority number Specified T ask Locations Not A vailable Cause Solution Not enough task priorities available for secondary task s creation Edit the conflicting task priorities assigning them another priority number in order to free the required priority numbers
121. hatit is functioning properly Use the lt UP gt and lt DOWN gt arrow keys to select the desired task and press ENTE R gt to execute it The task will display the task label the reading taken and the time stamp The operator can verify if the sensor reading is correct Use the EXIT key to return to the Keypad Menu 6 2 1 3 KEYPAD Menu Option 3 View Current Data lsseeeee eh No Default This option allows the operator to select and view the current data from any of the acquisition tasks in the system Use the lt UP gt and lt DOWN gt arrow keys to scroll through the data ofeach task Press the lt ENTER gt key to view the next scheduled acquisition for each task Use lt EXIT gt to return to the Keypad Menu 6 2 1 4 KEYPAD Menu Option 4 Data To PCMCIA 0 0 0 No Default This option allows the operator to transfer the archived data from the Vedas II Flash memory to the PCMCIA memory card This works the same as operator menu mode selection 3 Send Archived Data Set the write protect to OFF and insert the Memory card Selectoption 4 and press lt ENTER gt The Vedas II will prompt for the starting date and starting time The Vedas II will then store the data in a file on the PCMCIA card Use lt EXIT gt to return to the Keypad Menu 6 2 1 5 KEYPAD Menu Option 5 Setup To PCMCIA No Default This option allows the operator to transfer the current program parameters from the Vedas II Flash memor
122. he 12 volt option and determine the required warm up time delay required by the sensor 4 3 2 2 Battery Voltage Measurement Creating a battery voltage acquisition task requires the operator to select an analog acquisition choose a priority and then select input type 3 Battery and continue with the task as required This selection will measure the battery voltage and automatically display it in volts 4 3 2 3 Temperature Internal When an analog section is included in the system a temperature task is allocated in order to provide a temperature compensated correction to subsequent analog acquisitions The Vedas Il automatically accesses the internal temperature sensor and an analog acquisition task reads the existing temperature The temperature task created by the addition ofan analog sectionin the system has a start time 0f25 00 00 The Vedas II software converts a specified start time of 25 00 00 to indicate an immediate start This time indication insures the Vedas II software will perform a temperature task acquisition immediately after the system is initialized This in turn causes the temperature compensated correction data to be loaded for subsequent analog tasks If the operator changes the start time of the temperature task all data acquired by analog acquisitions performed before the tempera ture task will be calculated with incorrect temp erature compensation coefficients 4 6 USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING
123. he Vedas II will ask which resistor is unknown R1 R2 R3 or R4 It will then ask for a value for the other three The voltage at the inputs will be directly proportional to the unknown resistance and its position in the bridge Analog Output 0 5 Volts R4 RI Analog Input A Analog Input R3 R2 Ground 4 4 3 2 Task Programming 4 4 3 2 Priority Ot Task ueni pe e Wine Rm D eroe ee ead App Her Seas Pee ES No D efault BA SID Tupat Py Bie socio cote execs E dia Default 0 Differential This allows the operator to select the type of analog taskrequired For resistance measurement there aretwo alternatives 0 Differ ential 1 Single Ended 2 Battery 3 Temperature The defaultis a differential analog input This allows half bridge or full bridge to be used The user can also select single ended analog inputs if a half bridge measurement is required 443 23 Analog Input Channel zzi ick 0a wig RIGEN ase E RAE EE CRISE NA UMS e ER Default 0 or A The channel number allows the operator to select the analoginput channel from which the analog measurement will be made Differential from 0 and to 6 and or A through S and AO A3 for single ended inputs The Vedas II will prompt the operator appropriately depending on the input type selected The full bridge is only available with the differential selection 4 4 3 24 Me surement Type dca oe iio 451 ore pret op ias wted beige et dera ae tad Defau
124. he Vedas II will reactivate and re initialize The default is 10 75 volts 3 7 USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 5 2 8 VEDAS II Configuration Menu Selection 8 Setup Modem Interface This selection allows the operator to seta password and select the type of modem interface required It will first ask if the password is to be changed It then offers the user four modem interface options none internal external or other If none is selected it will be set for no modem interface If any of the other three are selected the Vedas II unit will request inputs for the set up of the device selected The list is shown below and the current settings of the unit are shown in brackets This list shows the defaults If the current settings are correct simply hit lt ENTER gt or input a new setting odem Baud Rate lt 9600 gt gt Number of Bits 7 or 8 lt 8 gt gt Number of Stop Bits 1 or 2 1 gt No Parity Bit Tone Dial lt Y gt gt Hang Up Delay 1 10 min 1 gt Archive Modem Access Time lt N gt gt Initial Data Dump lt Y gt gt odem Answer Message gt USER DEFINED Up To 34 Characters Note The Vedas II may reject a new modem setting if it conflicts with internal hardware Selection of a different modem interface may require modification of shorting jumpers on the main printed wiringboard inside the unit Refer to section 2 3 2 internal jum per settings 3 5 2 9 VEDAS II Con
125. hen be processed as selected by the operator USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING 4 3 1 6 Period OF Acquisition oeur ateo he Rem he abel I teg ed alate Bee Aon aah UN alga nate ue Default 1 second When more than one sample is chosen the period of acquisition determines the time period over which the specified samples will be taken The software divides the specified number of samples into the period of acquisition to determine the time interval between each sample The software limits the operator to a maximum of sample per second The formula below determines the time interval between respective samples interval between samples period of acquisition samples 1 Examples Sampling Description Number of Period of Sample Times Samples Acquisition Hourly Average of 4 samples 4 0 45 00 00 00 00 00 15 00 00 30 00 00 45 00 Acquisition to consist of 10 10 0 0 18 00 00 00 00 00 02 00 00 04 00 00 18 samples over 20 seconds Acquisition to consist of 5 23 55 00 00 00 00 00 05 00 00 10 00 23 55 00 minute samples over 24 hours Start of Acq 00 03 00 00 55 00 00 03 00 00 08 00 00 13 00 00 58 00 Interval of Acq 01 00 00 Table 4 2 Example Sample Intervals 4 3 1 7 Sample Optica oot a a Oe ML ated es AE A ee ake edi ta Default average When more than one sample is chosen the sample option allows the operator to find the maximum sample find the minimum sample record the last
126. i 2 4254 os ee ledaeoces gets aur eted ISRGRPHU PATER EP des 6 1 6 1 2 3 EXIT The Exit Selection Key ciis ees eee a EORR pec ku oe eR es 6 1 6 1 2 4 MODE The Change Mode Key ooooooo ccc ccc eee hh hh hr he e s 6 1 6 1 2 5 UP ARROW The Change Selection Key 2 2 0 ccc rn 6 1 6 1 2 6 DOWN ARROW The Change Selection Key eee n 6 1 6 1 2 7 RIGHT ARROW The Move Cursor Right Key lleeeeee te ene 6 1 6 1 2 8 LEFT ARROW The Move Cursor Left Key o oooooooocoooooor enna 6 1 6 2 The KEYPAD Menu Systemi 4 ep Rev rape e T ACC oc RS P re V ou tus arx SR e a ete der 6 2 6 2 1 KEYPAD Menu E nctlofis meno x meenes s E Nam ue DC qoe Pues a Sis diee 6 2 6 2 1 1 Calibrate Task cosida dra iia daria added is 6 2 6 2 1 2 Execute Tasio ue eer A A A aad de dede D rues doe 6 2 6 2 1 3 View Current Data 5 22er ER nadie T is ta A s a d eT a 6 2 6 2 1 4 Data To PEMCTA ss seed eere Ad me uc eter E dud i ed ede nre ye io dos 6 2 6 2 1 5 setup To PCM CIA Jess x Eder rx E Og Ee d DEED e E E pcena 6 2 6 2 1 6 Setup From PCMCIA 6 2 1 7 Format PCMCIA USER S MANUAL VEDAS II Section Section 6 2 1 8 6 2 1 9 6 2 2 Table Of Contents Set VEDAS II Time Set Terminal Baud Future De velopme nts 7 0 INSTALLATION 7 1 7 2 1 251 7 3 7 4 7 4 1 7 4 2 7 4 3 BD 7 6 7 6 1 7 6 2 7 6 3 7 7 7 8 7 9 7 10 7 11 7 11 1 7 11 2 7 11 3 7 11 4 Introduction Unpacking Inspection System Gr
127. iagnostics for further information on the topics discussed below 3 5 4 1 Diagnostic Menu Selection 1 Direct RF Transmitter Communication This option allows direct communication with the RF transmitter 3 5 4 2 Diagnostic Menu Selection 2 Direct SDI 12 Communication This option allows direct communication with an SDI 12 channel 3 5 4 3 Diagnostic Menu Selection 3 Direct Serial Communication This option allows direct communication with a serial port 3 5 4 4 Diagnostic Menu Selection 4 SDI 12 Communication Loopback Test This option allows the operator to verify the integrity of the SDI 12 communication ports 3 5 4 5 Diagnostic Menu Selection 5 Test Display and Keypad This option allows the operator to test the operation of the display and the keypad if they are present on the unit USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 5 4 6 Diagnostic Menu Selection 6 Test FLASH This option allows the operator to perform a checksum calculation on the Flash memory to verify system integrity 3 5 4 7 Diagnostic Menu Selection 7 Clear Archive Memory This option allows the operator to erase all of the Archive Memory contained in the system Each memory bank 0 through 9 will be erased to clear old data 3 5 4 8 Diagnostic Menu Selection 8 Display Error Log This option allows the operator to view and subsequently clear the system error log Refer to Appendix A 3 for a description of Vedas II errors 3 5 4 9 Diagnostic Menu Select
128. id input ranges are 0 9 a z and A Z Please refer to Appendix A10 for finding and setting the correct channel on the sensor being used 4 11 USER S MANUAL VEDAS II ACQUISITION PROGRAM MING 4 3 5 24 Measurement Command nce ahd opea e RE MEME GG EASA ue E ME Default M The measurement command determines the type of measurement to be made as determined by the sensor The measurement command is the parameter which instructs the sensor to act based on the SDI 12 command protocol The operator may select from M M1 M9 C C1 C9 RO R9 or V The operator should refer to Appendix A10 to become familiar with these instructions 4 3 5 24 1 Switched 12 Volt Output o o Default None The Switched 12 volt Output allows the operator to attach a 12 volt strobe to the task Ifa 12 volt strobe is not required an input of 2 None is specified when programming the task Strobes 12 S0 and 12S1 refer to the 12 volt strobes outputs attached to the Power Outputs on the connector board on the side of the unit The 12 volt Strobe is installed on all units 4 3 5 2 5 Common Task Elements esseeeee te ar Defaults as specified Refer to Section 4 3 for a description of the remainder of the task programming elements 4 3 6 Linked Acquisition This acquisition task is a generic task which obtains itsdata fromthe reading taken by other tasks not directly from their sensors If maximum minimum and or averag
129. ie ata site with a local Vedas II system Once connected to the Vedas II the Vedas II utility program allows the operator to communicate with the unit using the built in communication package In addition to having file upload do wnload capab ilities the program will automa tically retrieve archive data and arrange it in tabular form for easier viewing The operator is also able to instantly graph the data for simple interpretation of trends maximums minimums etc With the full screen programming package VEDAS_U OV1 VEDAS U OV3 the operator is able to enter either individual acquisition tasks or load the current acquisition program directly from the Vedas II It is then possible to adjust the tasks with full screen editing save the program back to the Vedas II utility program and download the new task parameters into the Vedas II system using a program load routine In summary the Vedas II utility program allows the operator to Access Mode O access a site either remote via modem hookup or local directly putting the operator in contact with the Vedas II main menu provide up to 9 screens of scrolled data for re viewing O upload download files to from the Vedas II USER S MANUAL VEDAS II INTRODUCTION 1 8 9 upload a Vedas II program file download a Vedas II configuration file 9 view archive data directly and then optionally save the datato the site datafile SEE DATA MODE O provide on line Help for the Vedas II s
130. ill continue to gather data according to its acquisition schedule The operator may view gathered data perform local acquisitions or access the archive memory without disturbing the data acquisition process Least Significant Bit Bit of least significance ie lowest value in a digital word or input Modulator Demodulator A modem is an electronic device which converts serial digital information into a format which is easily transferred along a transmission medium in most cases the telephone system Most Significant Bit Bit of most significance ie highest value in a digital word or input Orbcomm is a two way wireless packet data communications system using satellites in orbit 500 miles above the earth Orbcomm provides access to a world wide telecommunication network from any location on earth 14 2 USER S MANUAL OVERRUN ERROR PARITY BIT PARITY ERROR PCMCIA PCMCIA Card PEROM QUART RAM RS 232 RS 485 RTC RTS SANITY TIMER SAT SDI 12 VEDAS II GLOS SARY An overrun error occurs in serial communication when data is received faster that the controlling system can retrieve it An overrun errorusually means that received data has been lost The parity bit is usually the eighth bit in a seven bitserially transferred data word The state of the parity bit is determined by the cond ition of the previous seven bits and the type of parity required ie Even of Odd Parity An parity error occu
131. ill display all of the user input formulas 0 through 29 and all of the pre defined formulas 30 though 43 If the formula listing does not contain a formula suitable for your data requirements refer to chapter 10 Entering New Formulas Contact Valcom Limited to have the formula listing updated A sample formula listing is shown below VEDAS II Formula List where x Current Task s Acquisition Value 30 even x Calibration Offset Calibration Gain 31 odd x Calibration Gain Calibration Offset 32 23 x x 34 35 1 x 36 37 Lakewood Temp Probe 10KOhm 5V Exite 0 5 Volt Output to Deg 38 39 Campbell Scientific Temp Probe HMP 35C 0 5 Volt Output to Deg 40 41 Converts 4 Bit 77C Wing Sensor Direction into Degrees 42 43 GOES TGT 1 Power Output Conversion to dbm End of List Figure 5 1 Vedas II Formula Listing Test For mula This option can be used to test any of the formulas entered in the memory Input a gain an offset and a value for the acquisition input and compare the answer to an expected value All newly entered formulas should be tested for accuracy Resident Tasks The Vedas IIsupports several resident tasks which may be invoked as an alarmed task The following indicates the currently existing resident tasks Table 5 1 Resident Task Listing Enable Switched 12V Output 1280 5 2 USER S MANUAL VEDAS II SYSTEM UTILITIES AND DIAGNOSTICS 5
132. ing is in inches of Hg and the sec ond in degrees Celsius Atmospheric pressure readings in millibars are required every 15 minutes A reading occurring at 3 minutes past the hour is to be sent to the GOES transmitter The temperature reading is not required by the GOES Note Millibars in Hg x 33 86388 Message Length HG 28 8 80 TA 23 4 lt cr gt lt lf gt 123456789012345678901 2 3 23 characters ADD Serial Acquisition Priority of Task 1 47 gt 8 Number of Data Values 1 gt 2 Serial Channel 0 RS232 1 RS485 0 gt Driver Always On XN gt Baud Rate 9600 gt 300 Number of Bits 8 gt 7 Number of Stop Bits 1 gt 2 Parity Bit 0 None 1 Even 2 0dd 0 gt 1 Message Length 1 127 32 gt 23 Switched 12V Output 0 12S0 1 12S1 2 None 2 gt Task Label gt Hg Start of Acquisition 00 00 00 00 03 00 Interval of Acquisition 01 00 00 gt 00 15 00 Number of Samples 1 18000 1 gt Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 3 First Acquisition For Output Archive 00 00 gt 00 03 Output Archive Interval 01 00 gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives Y gt Formula Number 0 43 31 Calibration Gain 1 000000000 gt 33 86388 Calibration Offset lt 0 000000000 gt gt Alarm Li
133. ing the GOES transmitter if the VSWR beco mes too high The following documents the currently existing resident tasks Task Priority Resident Task Function 100 Disable RF Transmitter 101 Enable RF Transmitter 102 Disable Switched 12 V Output 12S0 103 Enable Switched 12 V Output 12S0 104 Disable Switched 12 V Output 12S1 105 Enable Switched 12 V Output 1281 106 Display Greenwich Mean Time GMT 107 Beep P rogram T erminal B ell Table 4 6 Priority Numbers Resident Tasks 4 5 USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING 4 3 2 Analog Sensor Task The analog task requires that a supporting analog section be present in the system The analog task converts a voltage present at the specified channel input to a digital representation The operator has the option of applying a pre amp signal gain factor of 1 10 100 or 1000 before the conversion is made The operator also has the option of attaching a reference voltage and or a 12 volt strobe to the acquisition in order to fulfil the voltage exc itation power requirements of the sensor The sensor warm up time ie time thatthe reference voltage strobe isto be present before the acquisition is performed is programmable by the operator An analog temperature task is created automatically The temperature task measures an onboard temperature sensor to determine the ambient conditions of the board components The board ambient temperature is then used to reference a correct
134. inputs these are referred to as D6 to D12 D6 and SDI 0 are common D7 and SDI 1 are also common D8 through D12 are equivalent to PCO through PC4 The operator selects a number of consecutive bits as inputs by specifying the starting bit location and the number of bits required The operator may optionally attach one of eight digital output strobes to each digital task If a strobe is attached to the digital task it is assumed that the digital sensor has an output disable capability thereby allowing the parallelling of several digital sensors each being activated by a differentstrobe Optionally the operator may want to setup a dummy digital task to use the attached strobe output to activate an external device 4 3 3 1 1 Task Programming AV 33 DS STO AR A Me eA EN ere hace eres ENT No Default This is a value from 1 to 47 Please refer to the common task elements section for more information 4 3 3 1 1 2 Digital Input LSBit viii OA ea Roe RR er re ER a Paw RA Y RE Es Default 0 The starting bit number specifies the bit number connected to the least significant bit of the digital sensor 4 3 3 1 1 3 Number Of Input Bits lllleeee hrs Default 1 The number of significant bits specifies the number of bit locations required by the digital sensor For example if the starting bit number equals 2 and the number of significant bits is set to 11 then the LSB of the digital sensor must be connected to bit 2 and MSB to bit 12 There are 0 throu
135. ion 9 Display Vedas II Information This option will display information about the Vedas II unit The information includes recent usage and the hardware options that are installed 3 5 5 Calibrate Task This option eases the task of matching the Vedas II acquired value to the actual gauged site value The procedure requires the operator to measure and enter the gauged value The Vedas II then performs a single acquisition compares the two values and adjusts the calibration offset parameter by the compared difference The site calibration option is further described in section 7 11 site calibration 3 11 USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING Section 4 0 ACQUISITION PROGRAMMING 4 1 Introduction The Vedas II unit is designed to activate and read data for a wide variety of weather sensors Each Vedas II sensor reading is performed by an acquisition task Tasks must be programmed by the operator to perform data input and control The Vedas II unit has an easy to use programming procedure The programming procedure will request the information it needs to set up an acquisition task It offers default settings and other choices the defaults are often the best setting The Vedas II system contains eight types of acquisition tasks two types of data output tasks and a diagno stic task Each acquisition task type is dedicated to obtaining data from a particular type of interface such as an analog task which can take temperatur
136. ion Task The following events occur every 10 ms for each shaft encoder acquisition placed in the system 1 Ifa digital strobe is required it is activated 2 The current shaft phase configuration is read and compared with the last value The resident shaft encoder count is modified according ly 3 Ifa digital strobe is required it is removed The following events occur during the execution of an shaft encoder acquisition 1 At the scheduled acquisition time the first sample is acquired from the resident shaft encoder count 2 All samples are gathered and processed according to the sample option 3 The formula number is processed 4 The calibration Slope Offset values are processed 5 If optioned by the operator the acquisition value is placed in the memory archive 6 Ifthe acquisition meets the TX archive criteria the value is placed in the archive 7 The next acquisition time is calculated and placed in the time queue USER S MANUAL VEDAS II OPERATIONAL THEORY 11 4 11 9 High Speed Counter Acquisition T ask The following events occur during the execution of a high speed event acquisition If a digital strobe is required itis activated at the next scheduled activation time minus the warm up time At the scheduled acquisition time the first sample is acquired If a digital strobe is required and if the time to the next sample time is greater than the warm up time the digital strobe is removed and re activated at the
137. ion displays a list of all valid tasks and prompts the operator for a task priority number It then allows the operator to edit the programming of the specified task in the Vedas II task system Refer to chapter 4 for a complete Acquisition Digital Acquisition Pulse Counter Acquisition Encoder Acquisition peed Acquisition Acquisition Acquisition Linked Acquisition Goes Power Acquisition RF Transmitter Output odem Output Radio Modem Output description of the program ming sequences 3 5 1 3 Main M enu Selection 3 Delete Task This selection displays a list of all valid tasks and prompts the operator for a task priority number The system will request confirmation of the delete order and then delete the specified taskin the Vedas II task system A response of 0 to the task ID prompt will delete all tasks after the operator confirms the request verification prompt Task 50 the diagnostic task cannot be deleted 3 3 USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 5 1 4 Main Menu Selection 4 Display Vedas II Schedule This selection displays all existing tasks in the Vedas II system Information shown includes the system time task priority task type the resource used the number of Medium archives ie GOES AR GOS archives the time of the next acquisition the acquisition interval and the last data gathered which includes the task label the data and the time of the acquisition op Nembrofawmimemoysshiwesumd O O
138. ion factor contained in the Vedas II program The correction factor compensates for component error due to temperature 4 3 2 1 Analog Inputs The analog inputs consist of 7 differential input channels 0 thru 6 and 7 single ended input channels Q R S AO Al A2 and A3 The7 differential inputs canalsobe used as 14 single ended input channels A to P or any combination using each channel only once Both the differential and single ended channels have a voltage input range of 5 to 5 volts with respect to the ground potential 4 3 2 1 1 Differential The differential input channels have a high noise immunity and are good for measuring low voltage signals However to achieve this the user must ALWAYS connect both the and the terminals 4 3 2 1 2 Single Ended The single ended channels do not have good noise im munity and should not be used with a 1 0x or 100x or x 1000 gain settings However the negative connection isnot required if the sensor signal output is with respect to the sensor ground potential 4 3 2 13 Using Reference Voltage To create an acquisition fora sensor thatrequires an external biasing voltage range 0 5 volts the operator must input the required bias voltage select a reference voltage channel to connect the sensor to and determine the required warm up time delay required by the sensor 4 3 2 14 Using 12 Volt Strobe To create an acquisition for a sensor that requires a 12 volts strobe the operator must select t
139. ion in the same manner They have the following specifications Input Level 35V HIGH 5 0V LOW 1 0V Output Level Y 1mA 4 5V HIGH 5 0V LOW 02V Input Resistance 200 Kilo ohms Output Resistance 465 ohms 2 2 4 3 High Speed Event There are two high speed digital inputs marked HSO and HS1 The high speed input has a voltage inputrange of 20 mV ms tO 20 Ving The high speed inputhas a frequency range of 1 Hz to 200 KHz 2 2 4 4 Pulse Counter Inputs PCO PC4 There are five pulse counter inputs on the pulse inputs terminal strip These can be used for any pulse counting type of acquisition PCO PC4 are designations for pulse counter acquisitions or shaft encoder inputs Any two in series can be used for the LSBit and MSBit of a shaft encoder PCO and PCI are also connected to the internal shaft encoder connector and are used when the the internal sha ft encoder is present PCO PC4 are also designated as digital inputs D8 through D12 The Pulse counters allow inputs of 5 Hz to 100 Hz with Input Level 3 5V HIGH 5 0V LOW 107V 2 4 HARD WARE CONNECTIONS 2 5 USER S MANUAL VEDAS II 2 2 4 5 Connection Examples 12 Volts n l Bit LSB n 1 2 Vedas II Bra 3 Digital Inputs Digital Sensor ntjl j Bit MSB GND 3 GND where n starting bit number j number of significant bits Figure 24 Example Digital Sensor Connection Guide Parallel Input Bit PC 7 Sensor GND where PC
140. ion may exist Save the program parameters and disconnect the power Reconn ect the power and initialize the unit An Analog Output Voltage Is Required Cause For This Channel Solution An analog task may have been pro grammed incorrectly or the analog output drivers may be malfunctioning Check the task and measure the output voltage on the requested channel If a problem persists mark the unit for repair Cause Solution The unit does not have an analog section If an analog task is required contact Valcom for information about hard ware upgrades Analog Sample Rate Exceeded Cause Solution The interval rate of the analog task may have been set faster than the sample rate of the analog section Either increase the interval of acquisitions increase the period or reduce the number of samp les Cannot Execute Child Task Cause Solution Operator attempted to perform a local acquisition of a secondary task Perform a local acquisition ofthe parent of the required secondary task The secondary task data willalso be displayed Channel Has Been Previously Allocated Cause Solution Display Is Not Installed Cause Solution Analog Section Is Not Installed Formula Does Not Exist Cause Solution The operator may have selected use of a channel that is currently being used Check the current configuration or select another channel The display unit may not be installed or it may be malfunct
141. ioning Open the cover to check if the display is present Use the diagnostic menu to test the keypad display if it is present Contact Valcom if there are further problems The operator may have specified a formula number that does not contain a valid formula Check the number entered Check the contents of the formula numbers from the operators menu and enter a formula if necessary USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution GOES Transmission Is Self Timed Only Cause Solution Operator tried to perform a local acquisition of a GOES output task while it was in the self timed mode In order to perform a local acquisition of a GOES task the GOES transmission mode must be either regular random orrandom alarm High Speed Sample Rate Exceeded Cause Solution The sample rate of the high speed task exceeds the maximum of 200 KHz Reduce the frequency of acquisition I O Writes Not Allowed To Code Half Of Flash Or to PCMCIA Card Cause Solution The operator may have tried to write data to the block of memory which contains the Vedas II operating system Recheck the address entered itshould be between C0000 and FFFFF Cause Baud R ate Solution The operator may have selected a baud rate that is too high or too lo w for the internal modem in the unit The internal modem supports baud rates of 300 to 14400 only Check to ensure the specified baud rate is valid 9600 is suggested
142. it were a floppy disk The second option is to dump the data directly to the personal computer The Vedas II will send the data to the screen in binary format If the operator is using proco mm they can open a file and capture the data in a file If the opertor is using V2UP EXE then the Vedas II will ask ifit should store the data directly to a file The Vedas II will then prompt for a file name The personal computer option interfaces with the V2UP EXE program to store the data into a file The function being used is lt CTRL PGDN gt inthe V2UP program The data is written directly to disk in binary format The function lt ALT A gt will do the conversion to ASCII code from the binary file Press lt ALT A gt and then input the binary file name and then a text file name V2UP EXE will prompt the user to do the conversion automatically The Vedas II will store the ASCII text data in a file that can be read by most text editors 3 5 3 4 Operator Menu Selection 4 Display Current Output Message This option displays the current output message that has been loaded into modem or the RF transmitter 3 5 3 5 Operator Menu Selection 5 Create Emergency Message The Vedas II system supports the entry of an emergency message which will be transmitted via the modem or RF transmitter option Refer to section 5 2 for further details regarding this option 3 5 3 6 Operator Menu Selection 6 Display Formula List This feature produces a listing of the acquisitio
143. itfor lt 11 with the alarm task being task 100 disable GOES transmitter The second battery task would have an alarm limit of gt 11 5 with the alarm task being 101 enable GOES transmitter The above ex ample could be expanded to have acquisition tasks activate data output tasks to notify the central office of an alarm situation or activate a 12 volt strobe which may activate a switch to cause a correcting action to occur The possibilities are endless USER S MANUAL VEDAS II SYSTEM UTILITIES AND DIAGNOSTICS SECTION 5 0 SYSTEM UTILITIES AND DIAGNOSTICS 5 1 System Utilities 5 1 1 Vedas II supports many system functions designed to allow the operator to test or view information about the current operationof the Vedas These utilities in the Operators Mode Menu are a good technique for interacting with sensor data and sensor readings without stopping the operation of the Vedas II Immediate Task Execution This feature allows the operator to immediately execute a data acquisition as specified by the task parameters and send the acquired data to the programmers terminal A local acquisition does not place any information in the archive memory nor will it update the GOES M odem archive buffers 5 1 1 1 Program med Task 5 1 2 5 1 3 5 1 4 5 1 5 Upon selecting the local acquisition option the operator is presented with a list of available task priorities and their respective labels The operator specifies the desi
144. itional pump samples were also required at fixed intervals above the set amount The requirement was met by placing a fixed interval alarm into the turbidity sensor acquisition The alarm activated a dummy serial acquisition which required a 12 volt output The 12 volt output activated the pump sampler causing a sample to be acquired The alarm function can be a powerful tool for customizing control of an operation USER S MANUAL VEDAS II APPENDIX A 9 A 9 VEDAS Program Monitor System In order to provide an environment in which the VEDAS system will be able to upgrade its own run time code a monitor program has been developed The monitor program can only be accessed via the program terminal or the serial modem telephone connection Instructions on accessing the program monitor system and upgrading VEDAS system software will be contained in the upgrade package supplied by Valcom Limited The monitor program sign on is shown below Striking the lt ESC gt key will reactivate the VEDAS software VEDAS II Firmware Upgrade Monitor V1 00 User Commands ESC Exit VEDAS II Firmware Upgrade Monitor H Display This Help Screen C Calculate Checksum of FLASH Memory Contents of 0 0000 gt 7 FFFF E Erase VEDAS II Program Parameters In FLASH Memory 0 4000 gt 0 5FFF Erase Monitor Code And Permanent Data In FLASH Memory 7 0000 gt 7 FFFF L List The FLASH Memory Contents From The Given 5 Digit Hex Address ESC Abo
145. ity The operator can select 12S0 or use a constant 12 volt output The operator has tried to delete a interdependent child task without deleting the parent task Delete the parent task first The operator has entered an emergency message and the unit does not have an RF transmitter outp ut task to transmit the message Add an RF transmitter task A given memory location may be cormpted A corruption the memory allocation pointer may have occurred or a bad memory section may exist Save the program parameters and disconnect the power Reconnect the power and initialize the unit A given memory location was not found Check the value of the location entered and try a Flash test from the diagnostics menu The operator may have entered an analog task without specifying all of the parameters correctly Check the task in question and the hardware connections USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution An Invalid Date Entry Was Found at lt ADDRESS gt Cause Solution A given memory location may be cormpted A corruption of the memory allocation pointer may have occurred or a bad memory section may exist Save the program parameters and disconnect the power Reconnect the power and initialize the unit Cause Solution An Invalid Message Entry Was Found At lt ADDRESS gt A given memory location may be corrupted A corruption of the memory allocation pointer may have occurred or a bad memory sect
146. ive is about 100 mA The disp lay is program med to automatically turn itself off if a key has not been pressed within the last one minute This is designed to save power Keypad Functions PWR The Pow er Key 3 v 65 lA nre Ad a E tdi awed Des No Default The lt PW R gt key will activate the display panel when pressed W hen it is pressed the display will show the error log and request that it be cleared Ifthere are no errors in the system it will display the Vedas II software version the time and the date Ifno other keys are pressed the display will shut offafter one minute If the power to the unit has been interrupted the unit may prompt the operator to verify the correct time If the unit is being accessed by another device such as the program terminal or the modem then the display will read Vedas II Is Accessed By Another Device The display will show this message for fourseconds and then turn itself off The other device willhave to be disconnected before the keypad and display can be used The lt P WR gt key is also used to turn the disp lay off ENTER The Enter Selection Key o o o ooooooooo rhe No Default The ENT ER gt ke y is used to accept the current cursor selection If the display is asking to reset the error log and the cursor is indicating a default setting of Y then the ENTE R gt key will clear the log EXIT The Exit Selection Key 0 eR 9 ee No Default The lt EXIT gt key wil
147. ized Imerrupt Was Encountered o No TX mem Wot Enough Memory For A Task s Ouput Message USER S MANUAL VEDAS II APPENDIX A 3 System Critical Errors s sprcowo mvatidresponserromsprosensor y O ss psv dia ouput May Be Shorted Since Output gt SV Was Requested e oaov paowpeovwasregusea 3333333 os max errors omy 96 RAM Locations In RTC For Error tog USER S MANUAL VEDAS II APPENDIX A 4 A 4 SDI 12 Error Index In the event of an SDI 12 communication error during an SDI 12 acquisition the VEDAS will write an archive memory entry replacing the data with one ofthe following messages depending on the cause of the error Note that 66 throughout the following text a lower case a is used to designate the respective device address No CR LF D The aDX command returned a string without a terminating carriage return line feed Dvc Adr D The aDX command returned an invalid device address Dvc Adr T The aM X command returned an invalid device ad dress Time Chr s lt 6 The aMX command returned an invalid amount of time characters T Chr Nt Dig The aMX command returned an invalid time string D Chr Nt Dig The aMX command returned an invalid number of data items character NoCR LF T The aMX command returned a string without a terminating carriage return line feed No Chr Aft T The aM X command had no response No Chr Aft D The aDX command had no response USER S MANUAL VEDAS II APPEN
148. l exit the current menu selection and return to the last menu displayed It can also re initialize the unit if the me has been modified MODE TheChangeMode Key isse dod hepelepue dee bee betwee es a No D efault The M ODE key is reserved for future software upgrades UP ARROW The Change Selection Key lese No D efault The lt UP gt arrow key can be used to scroll between the menu selections and to increase a cursor indicated item DOWN ARROW The Change Selection Key lesse No Default The lt DOWN gt arrow key can be used to scroll between the menu selections and to decrease a cursor indicated item RIGHT ARROW The Move Cursor Right Key eh No Default The RIGHT gt arrow key can be used to move the cursor to the right It will also scroll the display to view or select parts of the displayed information that do not fit in the 20 character wide display screen Some lines of text are longer than 20 characters LEFT ARROW The Move Cursor Left Key e nee No Default The RIGH T gt arro w key can be used to move the cursor to the left It will also scroll the display back to view or select parts of the displayed information that have scrolled off the left hand side of the display screen 6 1 USER S MANUAL VEDAS II KEYPAD AND LCD DISPLAY 6 2 6 2 The KEYPA D Menu System The keypad and display have their own menu system Itis setup to allow the operator
149. larm Calculations 7 54 7 54 4 94 2 60 Alarm 5 01 5 01 7 54 2 53 7 49 7 49 5 01 248 3 57 3 57 7 49 3 92 6 07 6 07 3 57 2 50 Alarm 7 54 7 54 6 07 147 using an alarm limit of 22 5 USER S MANUAL VEDAS II Fixed Interval Alarm The fixed interval alarm has been designed to cause a single alarm once the acquired data exceeds a set threshold This feature will then cause an additional single alarm s once the acquired data exceeds a multiple of the interval value Steps have been taken to insure that multiple alarms do not occur due to sensor variation around a threshold level The following alarm formula can be used to determine when an alarm will occur A fixed interval alarm is activated when Acquisition value gt alarm limit alarm step level Or Acquisition value lt alarm limit alarm step level 2 APPENDIX A 8 This alarm mode is selected by using the designation followed by a value and a or then the step value gt An example using an alarm limit setting of 4 2 is also shown below Note that the level value is updated after the alarm calculation is performed ee ST C E USER S MANUAL VEDAS II APPENDIX A 8 E rr 2 gt eeka A A pe s z o The fixed interval alarm was designed for an application which required a pump sample to be taken once a turbidity sensor exceed a set amount Add
150. ld connections are used to minimize the amount of induced current in the sensor cables by pro viding a ground potential to the cable shield It is recommended that shielded cables be used for all sensors Ground Connections The 12 volt ground connections on the terminal strip interface are marked as GND and are a direct connection to the negative potential of the power source ie Battery negative terminal Power Connector 12 volts The 12 volt input connector on the connector board provides reverse volta ge and over voltage protection It can handle inputs from 10 75 volts to 17 volts The Vedas II willreject a low voltage Program Terminal Connector This is an RS 232 interface designed to be used with a computer s serial port or other serial terminal device It has a terminal sense line that will bring the unit outof power down mode when it is connected The unitshould re enter power down mode when disconnected unless it is performing a task Serial communication is done with 8 bits 1 stop bit no parity and an autobaud feature that matches the input baud rate from 300 to 57600 The program terminal connector is intended to be used with the supplied program terminal cable but can be used as an RS 232 port 12 Volt Outputs The 12 volts output connections on the terminal strip have the capacity to supply 1 amp each however there is NO current limit protection circuitry used to enforce this limitation The outputsare limited to a maximum
151. ll of the requirementsas listed above Please note that none of the cablesused in the first generation of VEDAS may be able to be used in the VEDAS II 9 2 2 Mounting the GOES Transmitter 1 The power MUST be disconnected from the Vedas II 2 Turn OFF the internal battery if there is one present in the unit 3 The installer should follow static sensitive precautions and weara ground strap 4 Open the cover of the Vedas II Remove the PCM CIA card if there is one in the unit 5 Remove the 4 screw covers from the screws on the cover panel Remove the 4 screws 6 Ifthe panel has a keypad and display it will have wires attached underneath 7 Carefully lift the panel making sure not to damage the PCMCIA connector 8 Disconnect the keypad connector and the display connector if present USER S MANUAL VEDAS II 9 2 2 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 RF TRANSMITTER INSTALLATION 9 2 Remove the panel and place it aside Make sure it is notresting on the display module It is static sensitive If the unit has an internal battery disconnect the connector on J9 Remove the mounting bracket in the unit if it is present otherwise remove the two stand offs If you are installing a TGT 1 remove the internal battery if present Mount the TGT 1 on the GOES bracket using three 6 32 x 3 8 flat head screws Replace the battery If you are installin
152. lt 0 Volts Input either half bridge or full bridge The Vedas II will prompt the operator appropriately depending on the measurement type required The half bridge acquisition will request the value of the known resistor The full bridge acquisition will request the position of the unknown resistor and the values ofthe other three 4 4 3 25 Analog Output Voltage 0 ehh Default 0 000 An excitation voltage is required for the resistance measurement The user must enter the appropriate voltage 0 000 through 5 000 volts at the prompt A low resistance probe may draw too much current if a high output voltage is used If the known resistor is less than 1000 ohms then a low voltage should be used 4 4 3 2 6 Analog Output Channel 2 Ask ee oe ean e Se hoe Pee eee eee eee Default 2 None The operator will be prompted to select an output channel There are four output channels available A0 to A3 The Vedas II unit will monitor usage of these outputs and alert the operator if a channel is being used by more than one task It is the responsibility of the operator to make sure that if an output channel is being used by two different tasks it will not affect the sensor reading s 4 4 3 2 7 Analog And Common Task Elements seeee te ete Default 2 None Follow the rest of the procedures of section 4 3 2 analog acquisition 4 17 USER S MANUAL VEDAS II ACQUISITION PROGRAMMING 4 18 4 5 Data Retrieval 4 5 1 Ret
153. m for assistance 3 5 2 2 VEDAS II Configuration Menu Selection 2 Set Station Number Name This selection allows the operator to editthe current station number and the station name Note that the station number and name may also be entered during the Vedas II start up procedure If not set already the station number is limited to an alphanumeric string of ten 10 characters The station number is used to identify the station in the GOES output message the start of day header in the archive memory storage and in the output message for the modem interface The station name is used to further describe the site location The description is limited to 30 characters Both the station number and station name are displayed in the Vedas II sign on message 3 5 2 3 VEDAS II Configuration Menu Selection 3 Set Date Time GMT This selection allows the operator to edit the current da te time and GMT Greenwich Mean Time Note that the system date and time may also be entered during the Vedas II start up procedure The date format consists ofthe year month and day separated by forward slashes date example October 21 1994 would be represented as 1994 10 21 The time prompt refreshes the system time display until the operator hits either the ENTER gt key to accept the displayed value or entersin new time The time formatconsists of the hours minutes and seconds separated by colons in 24 hour format time example 03 21 30 pm would be represented as 15 21
154. m task system provides the tools to create a DCP with alarm condition reporting in realtime 11 3 Sanity Timer The hardware based sanity timercircuit constantly monitors operations and will automatically activate a hardware reset causing a sanity timer error should it detect the software operation has been corrupted The sanity timer circuit guarantees that once set the Vedas II unit will not fail due to a software corruption 11 4 Power Saving Modes The Vedas II has two power modes a fully active mode which occurs when the V edas Il is handling acquisitions and a deep sleep mode which is invoked when the Vedas II is idle and no activity is required in the next 5 seconds Power consumption in the fully active mode for a loaded Vedas II system will vary according to the specific task it is performing Normally it will be below 50 mA The GOES transmitter will draw an additional 10 mA minimum The GOES requires approximately 4 amps when transmitting Power consumption for the deep sleep mode for a loaded Vedas II system will be less than 1 5mA As the deep sleep mode will be invoked for a majority of the time the Vedas II will experience a reduction in the overall power consumption ofthe system USER S MANUAL VEDAS II OPERATIONAL THEORY 11 2 11 5 Analog Task Acquisition Events The following events occur during the execution of an Analog acquisition 1 Ifareference voltage or switched 12 volt output voltage is required
155. m with the transmitter Cause Exists Solution The operator tried to add a second RF transmitter output task The VEDAS system supports only one RF transmitter type at a time RF Transmitter Disabled Cause Solution The RF Transmitter is currently disabled from transmitting or a GOES transmitter may not be present in the unit Check the RF output task and initialize the unit RS485 Interface Is Being Used Instead Of This Channel Cause Solution The op erator may have requested use of the S DI 0 channel while the RS 485 was installed They share common hardware and only one can be used at a time This is internal hardwired jumper controlled RS485 Interface Is Not Installed Cause Solution SDI 12 Sample Rate Exceeded Cause RF Transmitter Output Task Already Solution SDI 0 1 Input Is Being Used By Digital Task Cause Solution The operator may have requested use ofan RS 485 interface that does not exist in the unit If an RS 485 function is required contact Valcom for information about hard ware upgrades The sample rate of an SDI 12 task exceeds the maximum of 5 readings per second Either increase the period of acquisition or reduce the number of samp les The operator may have request to use an input that is currently being used by another task Carefully examine the system hardware usage The operator may have requested a wrong port during program ming of a task SDI ports due s
156. mber determines the method in which this parameter is applied yee yea AAA DE TE A tsm ne O AR RAC ti dr ROLE cu ar E Ea mr NR ud Default 0 00 The alarm limit allows the operator to specify an alarm limit which when equal to or exceeded by the acquired data will cause an alarm task to be activated An alarmed task can be any entered task in the Vedas II system Tasks may also be set up as analarm only task ie set startof acquisition to 24 00 00 which is then only activated in an alarm condition The Vedas II supports three types of alarm modes fixed level rate of change and fixed interval Refer to table 4 5 for the entry format of each type of alarm Refer to Appendix A 8 for a detailed description of each alam type Alarm Alarm Type EntryFormat Format Fixed Level gt value gt 5 50 lt value E T 40 Rate of Change value start inte rval 20 2 start interval interval 10 5 Table 4 5 Alarm Entry Formats y Fixed Interval 4 3 1 16 Attach Alarm To Task This option allows the operator to specify the priority number ofthe tasks to be invoked by alarm activation The operator may specify a maximum of 5 tasks The tasks must currently existin the system Selecting a task priority of 0 terminates the selection The Vedas II supports several resident tasks which may be invoked as an alarmed task These resident tasks can be used to stop certain functions from occurring such as disabl
157. med alarm GOES transmissions modes The GOES transmission interval is assigned by the NES DIS authority and must be greater than 2 minutes 14 Regular Random TX Interval 0 2020 00 00 e Default 03 00 00 The regular random TX Interval determines the transmission interval for the GOES transmission while in the regular random or random alarm GOES transmissions modes The GOES transmission interval is assigned by the NESDIS authority 15 GOES Self timed Channel eee s Default 1 The GOES self timed channeldetermines the selftimed channeloperation for the self timed andselftimed alarm GOES transmissions modes The GOES channel number is assigned by the NESDIS authority 0 199 46 GOES Random Channel eee ra Default 2 The GOES random channel determines the alarm channel operation for the self timed alarm and random alarm GOES transmissions modes The GOES channel number is assigned by the NESDIS authority 0 199 17 Common Task Elements uie ERMI a Wa pO Y RI STEHT No D efaults There are no common elements in the RF transmission output task 18 Update New Settings to the GOES 1 1 nee eee Default No This option appears only when the SAT HDR GOES model is selected The settings chosen above can be stored within the transmitters own memory banks for possible use asa stand alone transmitter 19 Add Power Acquisition Task o oooooooorr e e Default No this option allows
158. mit 0 None or Limit After lt gt or fstart stop 0 gt EDIT Data Value 2 Task Label gt Ta Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt Formula Number 0 43 31 Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 8 13 4 SDI 12 ACQUISITION EXAMPLES 13 4 4 VISE Valcom Incremental Shaft Encoder SDI 12 Model The VISE is a SDI 12 device which outputs displacement in metres when using the specified pulley size The VISE is connected to SDI 12 channel 1 on the Vedas II The VISE has a programmed address of 1 The VISE documentation shows that a measurement command of 0 provides 2 pieces of data the first being displacement in metres the second being accumulated errors A displacement reading is required every 5 minutes starting at 2 minutes past midnight The second data item is accumulative there is no requirement to store it in memory One reading most current available per hour is required by the GOES transmitter which transmits every 3 hours starting at 00 03 00 local time The accumulated errors parameter is only to be transmitted once in the first transmission of the day NOTE All data ready to be transmitted via GOES is transferr
159. mple TX Archive Contents 43 112 Formula Number custodia Koen te Bawa A etes tada Default 31 The formula number allows the operator to specify that the acquired data value is to be post processed by a pre determined formula transform Formula numbers from 0 to 29 are for user specified transformation formulas The formula number also determines the method by whichthe calibration slope and offsetwill be applied to the acquired data An even formula number will add the offset before multiplying by the slope while an odd formula number will multiply the slope and then add the offset Refer to the formula listing option in the operator mode menu Use default formula 31 if no preprocessing is desired ie Formula EVEN gt result slope x value offset Formula ODD gt result slope x value offset 2 3 L1 I5 Calibra tion Gain onec RN Default 1 00 The calibration gain parameter allows the operator to apply a linear conversion factor or slope to transform raw acquisition data into engineering units The formula number determines the method in which this parameter is applied USER S MANUAL VEDAS II ACQUISITION PROGR AMM ING 4 31 14 Calibration Offset vicio Sapa SE Ae ee Os Cal A e EIE Cn Ee RI ees Default 0 00 The calibration offset parameter allows the operator to apply an offset factor to transform raw acquisition data into engineering units which may also be used to compensate for site abnormalities or offsets The formula nu
160. mption as the two signals fight for control In the context of the Vedas II a single ended input receives an analog signal the analog interface measures and outputs the difference between the analog signal and the 12 volt ground potential A false or erroneous signal superficially app earing to be a real signal Static Random Access Memory A 12 volt strobe is a switched 12 volt source which is controlled by the Vedas II acquisitionroutines Rather than powering asensor continuously the switched 12 volt strobe powers the sensor only whena reading is being performed A terminal is a device which allows an operator to interact with computer based electronic equipment The human interface consists of a view screen and a keypad Desired actions are entered via the keypad responsesare shown via the view screen A transient is an unwanted electrical signal that tends to upset or corrupt electronic circuitry Transistor Transistor Logic TT Lisa digital operating sp ecification which conveys digital information between 5 volts TRUE 1 state and 0 volts FALSE 0 state Universal Asynchronous Receiver Transmitter A UART is a hardware device in a computer based system which translates parallel data information into a serial format Having or consisting of a single element An uninitialized system performs no scheduled acquisitions nor will it allow the operator to perform any local acquisition The operator may however view the last
161. n This test is a simple check of the GOES operation tested by the transmitter itself Enter two GOES power acquisition tasks The first for forward power and the second for reflected power Set the acquisition time for two minutes after the scheduled transmission time The results should show about 8 10 Watts Forward and less than 0 4 Watts Reflected RF Power Meter The RF power meter must be connected in series with the RF cable as close to the Vedas II unit aspossible Ensure the input side ofthe meter is connected to the Vedas II side During the transmission period the meter should deflect to show approximately 8 10 watts of forward transmit power and less than 0 4 watts of reverse reflected power 7 4 USER S MANUAL VEDAS II INSTALLATION 7 5 7 11 4 Poor Power Readings If poor power readings are present for either of the two testing methods described above remove the power from the Vedas II system and inspect the RF cable connections at the V edas II and antenna locations Remove the connections and verify that the centre conducting pin in the cable is present and not in contact with the outer shell Inspect the RF cable and insure that there are no kinks and that the cable has notbeen damaged Reconnect the RF cable and repeatthe transmission test If poor power readings are still present substitute the RF cable and then the antenna with spares if available until the faulty component is found USER S MANUAL VEDAS II TELEPHONE INTERFAC
162. n Display Keypad RS485 Interface 64F1 64F1 64F1 Installed Installed Installed Installed Not Installed Current 5 Volt Reference Chip Output Voltage 4 9970 or 4 9980 Volts 5 Volt Reference Chip Output At 20 00 Deg Serial Number 980000 C gt 4 9970 or 4 9980 Volts 1280 1280 1281 1281 GMT APPENDIX A 1 USER S MANUAL VEDAS II APPENDIX A 1 Throughout the Menu system the following keys will always perform the attached function ESC Escape Key Will always abort the current procedure and return the operator to the calling menu If the operator is in the Main Menu when the Escape key is struck a system initialization procedure will be invoked BS Back space Will always delete the previous key stroke if one exists DEL Delete Will always delete the previous key stroke if one exists CTRL Y When prompted to enter a string ie task label the CTR L Y combination erases the default string and prompts the operator with an empty buffer lt default gt Upon prompting for an entry from the operator all numeric default or previous data will be located between lessthan and greater than signs To acceptthe default condition the operator need only strike the ENTER key If the entry requires an alphanumeric string input the default or current string will be offered for editing USER S MANUAL VEDAS II APPENDIX A 2 A 2 VEDAS Start Up Sequence The following is
163. n formulas currently contained in the system The listing will display all of the user input formulas 0 through 29 and all of the predefined formulas 30 though 43 Refer to chapter 10 entering new formulas A sample formula listing is shown below VEDAS II Formula List where x Current Task s Acquisition Value 30 even x Calibration Offset Calibration Gain 31 odd x Calibration Gain Calibration Offset 32 23 O x 34 35 1 x 36 37 Lakewood Temp Probe 10 KOhm 5 V Exite 0 5 Volt Output to Deg C 38 39 Campbell Scientific Temp Probe HMP 35C 0 5 Volt Output to Deg C 40 41 Converts 4 Bit 77C Wing Sensor Direction into Degrees 42 43 GOES TGT 1 Power Output Conversion to dbm End of List Figure 3 3 Vedas II Formula Listing 3 5 3 7 Operator Menu Selection 7 Test Formula This option can be used to test any of the formulas entered in the memory Input a gain an offset and a value for the acquisitioninput and compare the answer to an expected value All newly entered formulas sh ould be tested for accuracy USER S MANUAL VEDAS II SYSTEM CONFIGURATION 3 10 3 5 3 8 Operator Menu Selection 8 Display Resident T ask List This option produces a listing of the resident tasks thatare available on the system These tasksare designed to be used as alarm tasks activated by another acquisition task There are currently eight Resident Tasks that can be executed as Alarm Activated T asks or
164. nge 1 10 minutes 8 2 1 7 Archive Modem Access Time 2 22 e eek RR RE OAS RE SI RU A RR eR EGER SERERE Default No This option allows the operator to select whether the time of telephone accesses will be stored in the memory archive 8 2 1 8 Initial Data D nip ux voce vH Ro need eR EIS RU Irt e RETO TOR EE UE Default Yes This option allows the operator to specify that upon receipt of a carrier the Vedas II unit will transmit the current acquisition data via the telephone interface The operator may subsequently access the main menu by striking the USER S MANUAL VEDAS II TELEPHONE INTERFACE 8 2 lt Enter gt key within 15 seconds after the initial data dump is complete Further explanation of the data format is contained in Appendix A 7 82 19 Modem Answer MESsage sii ouem veta ies ARAS co aye Rd nq md een EN dla d aues No D efault This is the user input message that will be transmitted when the Modem answers an incoming call It can be up to 34 characters in length 8 2 1 10 Change Password This option allows the operator to set restricted access through the use of a password system Access via a telephone is allowed for both restricted and non restricted users however all set up operations are confined to users with password access The operator is first prompted as to whether the password is to be changed If yes then the operatoris asked for the old password Upon verification the operator is prompted for the new password 20 c
165. nications to any partof the world Since the RS 485 shares hardware with SDI 0 internal hardwired jumpers allow use of only one of these at a time 2 2 2 9 SDI 12 The Vedas II supports two independent SD I 12 communication ports Both SDI 12 inputs are accessible by rem ovable connectors on the terminal strip These ports each contain three connections 12 volts ground and the data pin Each of the SDI ports can support sensors with addresses ranged from 0 to 9 ato z and A to Z These ports can also serve as digital inputs ou tputs and pulse counter inputs The pulse counters must be driven with 5 volts input SDI 0 may not beused if the RS 485 circuitry is installed SDI 1 is also connected to an internal connector for use with an internal SDI shaft encoder if required Refer to Appendix A 10 for a further description regarding the SDI 12 interface 2 2 3 Analog Interface Connections The Vedas II analog interface is used to convert an analog signal produced by a sensor into a digital format which can then be processed by a computer These ports can control the sensor and measure the sensor by using the Vedas II T ask programming menu All of these ports are normally powered down when not being used The Vedas II will power up the analog section just before an analog acquisition task is to begin The warm up time for powering up the outputs can be specified when pro gramming an acquisition task Refer to Chapter 4 for Program ming instructions
166. none of the errors only the system critical errors or both the system critical and the diagnostic errors The format conforms to Vedas II RF output format contained in Appendix A 5 5 4 2 6 Modem Sends Error Log Errors 0 cc een eh Default Yes The Modem Sends Error Log Errors option allows the operator to specify whether the Vedas II errors are sent with the regular modem transmission 5 5 System Error Log The system error log allows the operator to view and subsequently clear the system error log The error log is broken up into two categories depending on their effect on the Vedas II system System critical errors and non critical errors are presented to the operator for action once the communication link is made Diagnostic errors may only be viewed by accessing the display error log option in the diagnostic menu Errors are also recorded in the condensed task display in the diagnostic task s last data column System critical errors are given a weight of 1 while diagnostic errors are given a weight of 0001 ie 4 system critical errors and 5 diagnostic errors would be shown as 4 0005 errors 5 5 1 System Critical Error System critical errors area major cause for concern and may cause partial or complete operational failure ofthe system These types of errors are usually caused by a Vedas II system failure or a malfunctioning sensor 5 5 2 Diagnostic Error Diagnostic errors have been placed in the Vedas II to flag
167. nput Channels 2 cest Lemon alana a Att eer t alt bi aria Ea sa 2 3 2 2 3 2 Reference Voltage Channels 156 s n ae4 46 eh aed E WR dod da baa thane radio pira 2 4 2 2 4 Digital Interface Connections ees sos Re eR RR See SE eae ae ae 2 4 2 2 4 1 Digital Inputs xxx eb RS teak e eie eate t e Rec ete er e Ead SR 2 4 2 2 4 2 Digital UPS eee I een aaae E spk ee d RU e eae e NU SR eedem EM uae 2 4 2 2 4 3 High Speed Event zou yee OEY p OL RE CR E pep dox X db ee ee ee 2 4 2 2 4 4 Pulse Counter Inputs PGO PC4 uude A OK pale Sd WE E PRR EG 2 4 2 2 4 5 Connection Examples oi eh a Nh IAE ee ae A EA EN ee Ed 2 5 2 2 5 Power battery v AA DES EER ee SS AED EE REE EO AG UE REO da 2 6 2 2 6 Program Terminal ices A a Met SIS iss lara dona 2 6 22 gt SDIA2 Channels 164 wana bres pisa de ope weeded awk gekaol Haat ees ata de 2 6 2 2 8 RS 232 Port to Modem i roie eris to saw e nene Saw A MEER IR YU ea e qe EU RSS 2 6 2 2 9 RS 232 Poft to Terminal xeu sue RE eae dale YER FA de E d ER reise aA 2 6 2 2 10 Telephone Modem Interface 2 7 221 1 WHE Antenna non eSI hee WE ghia a dee ER SUCK GSS Wats PE B ST PE 2 7 2 2 12 RETX PowerMoOnltoE 5 nd DU LE b P EAD dile Ce GW a e OR ea CRT RT OUR dae n 2 7 2 3 Internal Configurations i vu ooo ora A EUER Yes AW RR eee 2 8 2 3 1 Clock Battery s cle ute Io nter me dela DR e RR wade etse SO E e etg eft eus andre UR e RISUS 2 8 2 3 2 Internal Jumper Settings o 224 d9 2992 be eutas s noose 4342 birria ved 2 8 Se
168. nsor Connection Guide High Speed Event 0005 2 5 Figure 2 8 Power Cable Configuration xii ser a ws oe ee eh GE E ra 2 6 Figure 2 9 Program Terminal Cable Configuration o oooooooooor e 2 6 Figure 2 10 SDI 12 Communication Port Connector 0 0 e e 2 6 Figure 2 11 RS 232 Communication Port Connector o oo 2 6 Figure 2 12 SDI 12 Expansion Box Connectors stegne prette dadaan eee e nt 2 6 Figure 2 13 Telephone Port Cable Configuration 0 0 eh 2 7 Figure 3 1 Condensed Task Display coc wed Wee Pied a RE anh xod a ig dete HAC 3 4 Figure 3 2 Detailed Task Display oeu sane soka e dan e II hah 3 5 Figure 3 3 VEDAS Formula Listing bald ip Balk ee ODD bb ek E ee 3 9 Figure 5 1 VEDAS II Formula Listing i ecg A A Ree Rhe aN e Penne S ER a 5 2 Figure 8 1 Serial Modem Cable Connections ooo 8 2 Figure 10 1 Vedas IL Formula Listing c dee eme Rm id auld RR e eee ated 10 1 USER S MANUAL VEDAS II Page xv Table List Page Table 1 1 Individual Equipment Specifications 0 0 nee eee 1 3 T ble 1 2 Procurement OptiOnS 10d rasa ssadse deal sausages pao a 1 6 Table 2 1 Hardwired Jumper Configurations 0 0 eens 2 8 Table 3 1 Common Key Functions eye at Oe a PE eee quA ee aee 3 2 Table 3 2 Condensed Task Heading Descriptions 0 ce eee 3 4 Table 4 1 Example Acquisition Intervals o oooooooo ooo 4 2 Table 4 2 Example Sample Intervals 4 2 is ra A
169. ntacted for further information or clarity Cause Solution 0000 Program Parameters Expected 8072 Were Received 12 Volt Switches Are Not Installed 12S0 OutputIs Already Being Used By Task 12S1 OutputIs Already Being Used By Task A Child Task Cannot Be Deleted Delete Parent Task Add An RF Transmitter Task An Invalid Data Entry Was Found at lt ADDRESS gt An Empty Archive Location Was Encountered At lt ADDRESS gt An Analog Output Voltage Is Required For Resister Measurement Solution Cause Solution Cause Solution Cause Solution Cause Solution Solution Cause Solution Cause Solution Cause Solution There may be a problem with the uploaded file or filename or there may have been a error in transfer of the files from the terminal to the Vedas II Check the file it should be 8072 Bytes Check the baud rate program parameters transfers should be performed at 9600 baud or lower The 12 volt switched outputs are not installed or are malfunctioning If they are required contact Valcom about servicing or upgrades The operator may have requested use of a 12 volt switched output that is being used by another task Check the sensor configurations for availability The operator can select 12S1 or use a constant 12 volt output The operator may have requested use of a 12 volt switched output that is being used by another task Check the sensor configurations for availabil
170. nter 8 Setup Modem Interface Enter No to the password and then enter2 External Setup the baud rate and data as specified below The following lists each item in the modem set up option along with a description USER S MANUAL VEDAS II TELE PHONE IN TERFACE 8 3 2 1 8 3 2 2 8 3 2 3 8 3 2 4 8 3 2 5 8 3 2 6 8 3 2 7 8 3 2 8 8 3 2 9 runBrci Lc EID Default 9600 This option selects the baud rate ofthe telephone interface rates of 300 baud to 57600 are supported Number of Bits tics cer e ir Ghee ee WS ee Re ee Eder des acr gustu nee OX ES Default 8 This option sets the number of data bits per word forthe transmitted and received data Number of Stop Bats ueni to Pede a dd OEY Bh etd wa e UE SPP eee eS Default 1 This option sets the number of Stop bits for the transmitted data Parity Bites ici NS a A hai a Bal eas Default None This option sets the parity bit forthe transmitted data The input range is 0 2 where 0 none 1 even 2 odd A parity error on received data willcause the QUART error in the error log to be incremented Lone Dia A n eek Seneca ce cate een Retin ata tee tinea als pe e aaa eb etc Default Tone This option determines the dial out method of any telephone output task existing within the system A Y response selects touch tone dialling while N selects the pulse dial method Hang Up Delay odiosa dia roda di i risas hited aped i q9 Default 1 This opti
171. ntial 1 9 Number of Digits lt 0 gt gt Archive Acquisition Data lt Y gt gt Number of Output Archives 0 99 lt 0 gt gt 2 First Acquisition For Output Archive lt 00 00 gt gt 02 19 Output Archive Interval lt 01 00 gt gt 03 00 Attach Time Stamp To Output Archives lt Y gt gt odem Sends Output Archives lt Y gt gt Formula Number 0 43 lt 31 gt gt Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or fstart stop lt 0 gt gt gt 2 Alarm 1 Activates Task lt 0 gt gt 100 Alarm 2 Activates Task lt 0 gt gt Ifthe SAT HDR GOES is selected these options are replace d by SAT HDR GOES uses Ratio Power Acquisition 0 5 Matched lt Y gt gt Note Resident task 100 will disable the GOES transmitter This is done to protect the transmitter from damage due to high reflected power coming back into the unit HDR GOES utilizes only one type ofpowerreading the ratio power In the power acquisition example an LDR transmitter was used 13 7 Display of All Programming Examples P Task Type Ch Op Next Acq Acq Intvl Latest Data 1 ANALOG BAT 6 14 40 00 00 05 00 Battery 13 6 14 35 2 ANALOG 0 6 14 39 57 00 10 00 TB 113 0 14 20 3 ANALOG 1 6 14 44 58 00 10 00 OBS3 5 6498 14 35 4 DIGITAL DO 6 14 42 58 00 30 00 Precip Gau 0 03 14 13 5 PULSE COUNTER PC4 0 15 00 00 01 00 00 Tip Bucket 0 0000e 00 14 00 6
172. of 14 volts output and will be slightly less than the input voltage High current switching or nductive loads should not be sourced from the Vedas II 12 volt connections as they could cause transients to occur in the Vedas II system These connections should be made directly to the power source ie battery CAUTION The 12 volts terminal connection should NEVER be used to supply 12 volts into the Vedas II system These connections are for output power only The connector marked POWER is for input power and should on ly be used with the Vedas II power cable for supplying power to the Vedas II 12 Volt Switched O utputs The 12 volt switched outp ut connections are used to provide a switched 12 volt potential to a connected sensor under acquisition control This switched output allows the Vedas II system to energize a sensor only when a reading is required otherwise maintaining the sensor in a power off state This feature conserves a considerable amount ofpower as some sensors require a significant amount of current The option of using the 12 volt switched output is available to most acquisition tasks Each 12 volt strobe has circuitry to limit the current to 1 amp and are short circuit protected 5 Volt Controlled Output The Vedas II has one connection marked SCTL and one marked SOUT The 5CTL is an input for the SOUT terminal If the 5SCTL is connected to the 12 volt output then 5 volts will app ear on the 5 OUT terminal
173. on can also be used to determine the resistance ofasensor or unknown resistor Refer to section 4 4 3 The V edas II will prompt the operator appropriately depending on the measurement type required 4 3 2 4 5 Analog Output Voltage Default 0 000 The reference voltage input allows the operator to specify if a reference voltage is required by the sensor If an excitation voltage is not required a value of 0 default is entered Ifan excitation voltage is required the user enters the appropriate voltage 0 000 through 5 000 volts at the prompt 4 3 2 4 6 Analog Output Channel Default 2 None If an analog output reference voltage is specified the operator will be prompted to select an output channel There are four output channels available A0 to A3 The Vedas II unit will monitor usage of these outputs and alert theoperator if a channel is being used by more than one task It is the responsibility of the operator to make sure that if an output channel is being used by two different tasks it will not affect the sensor readings 4 3 2 4 7 Switched 12 Volt Output Default 0 The switched 12 volt output allows the operator to attach a 12 volt strobe to the task Ifa 12 volt strobe is not required an input of 2 None is specified when programming the task Strobes 12S0 and 12S1 referto the 12 volt strobes outputs attached to the power outputs on the connector board on the side of the unit The 12 volt strobe is installed on
174. on sets the number of whole minutes that will expire between the last key entry and the automatic hang up performed by the Vedas II unit range 1 10 minutes Archive Modem Access Tife vis ene raia A TR AA MEE pues Default No This option allows the operator to select whether the time of telephone accesses will be stored in the memory archive Initial Data Damp ecce cS RR a atte A A AA RA ree Default Yes This option allows the operator to specify that upon receipt of a carrier the Vedas II unit will transmit the current acquisition data via the telephone interface The operator may subsequently access the main menu by striking the Enter key within 15 seconds after the initial data dump is complete Further explanation of the data format is contained in Appendix A 7 Modem Answer Message vel Ree ER RA ORI est nr Here eL ee Ue e TR ad a ae No Default This is the user input message that will be transmitted when the modem answers an incoming call It can be up to 34 characters in length 8 4 Type Of Service The Vedas II is designed to be used on standard device telephone lines It connects to the telephone line by means ofa standard jack called the USOC RJ 11C or USOC FJ45S Connection to telephone company provided coin service central office implemented systems is prohibited Connection to party line service is subject to state tariffs 8 3 USER S MANUAL VEDAS II RF TRANSMITTER INSTALLATION 9 1 SECTION 9 0 VEDAS II RF TRANS
175. or the SDI 12 channel number The channel number determines which SDI 12 port is being used The entry of 0 or 1 corresponds to the SDI 12 channel number An SDI 12 acquisition using the requested channel number must currently exist in the system The lt ESC gt key terminates the communication mode Direct Serial Communication This feature allows direct communication with a serial port O perator input is not buffered Consequently an entered characteris sentto the serial device immediately This option may also be used to co mmunicate directly with the intemal modem or to an external telephone modem connected to the RS 232 serial port Before communications commence the operator will be prompted for the serial port channel The channel selection determines which serial port the operator will be using the modem RS 232 or the RS 485 A serial acquisition using the requested channel num ber must currently exist in the system The lt ESC gt key terminates the communication mode SDI 12 Loopback Testing This feature allows the operator to verify the integrity of the SDI 12 communication ports Prior to thetest the operator must disconnect all existing sensors A jumper must be installed between the DATA connections on channels 0 and 1 of the SDI 12 ports The test is easy to perform and verifies the operation of each port Refer to Figure 5 1 for the appropriate connections Refer to Table 5 1 for error message interpretation SDI 12 Chan
176. ould be removed Remove each one carefully Do NOT remove any others Carefully insert the modem into the tworows of sockets on the main printed wiring board It should only fit one way It should be well connected to the sockets Get the cover panel If it has a keypad and display connect the flat keypad connector to J3 Keypad Connect the ribbon cable connector to J4 Display The cables should not be twisted Lift the PCMCIA connector tab Carefully place the panel back onto the unit making sure not to damage the PCMCIA connector Attach the screws and screw covers 12 2 USER S MANUAL VEDAS II UPGRADING SY STEM HARD WARE 12 6 2 17 Connect the telephone line to the jack 18 Connect the power cable and follow the start up procedures If there is a problem disconnect the power 19 Test the keypad and display using the system diagnostic menu Set up the modem and test it using the diagnostic menu Dial into the unit and check proper operation of the modem Connections For An External Modem Radio M odem or RS 232 Interface An external modem can be connected to the RS 232 connector on the side of the unit Use the configuration menu selection 8 Setup Modem Interface to set the operation ofthe Modem If the setup modem interface will not allow an extemal modem because the internal modem is setup then the internal modem must be removed and the jumpers must be installed The Vedas II will not allow an external modem
177. ounding io bp Epis yata a eaea e a a a e a Aa Power Protection System Under Voltage Protection Ovyer Voltar E OA TEATES EREA OE e oa see ees E E dote ue Reverse Voltage Protection Sensor Connections Site Configuration Programming Set Telephone Interface Set RF Transmitter Type Set Other Site Param eters Setting SDI 12 Sensors Task Programming Verifying Sensor Operation Calibrating S ite GOES Testing Forcing a Transmissi conie e EA AAA Bal EE Ve eR EE eE ETERA GOES Power Acquisition RE Power Meters sais wired a SNE Bad bande sane eee pa etd aude cedegeetedt Tu Poor Power Read ings 8 0 VEDAS ITTELEPHONE INTERFACE 8 1 8 2 8 2 1 8 2 1 1 8 2 1 2 8 2 1 3 8 2 1 4 8 2 1 5 8 2 1 6 8 2 1 7 8 2 1 8 8 2 1 9 8 2 1 10 8 3 8 3 1 8 3 2 8 3 2 1 8 3 2 2 8 3 2 3 8 3 2 4 8 3 2 5 Introduction md eed eed Gees ae he ee Ee pecs ake ee aie BAM POE VEDAS II Telephone Interface Modem Setup Baud Raters sree A A Stites CRI E E IAE US Number oE Bs n sod mes Di Sika Gath Geren ales E Ase hat asa ur ee Number of Stop B its Parity Bit Mone Dializ su saw Altec hs gato ee EIER Na eA oy alee a gate E ani DS ay pea a dao M M b dato pd ol c t feta seals le Set Archive Modem Access Time Initial Data Dump Modem Answer Message Change Password emir een ie gat Barer ub ia E A elena VEDAS II Serial Modem Telephone Interface Modem RS 232 Connections Modem Setup Baud Rate due ese as NU a Vt ean eee EU fupe AA ER Ree ke Numberot Bits A ect kso
178. ow set for channel b USER S MANUAL VEDAS II APPENDIX A 10 Description and Response aDO0 through Send Data aD9 The response is a lt values gt lt CR gt lt LF gt See Data Format section regarding the format of lt values gt Values returned by a D command will be 33 characters or less The data buffer in the sensor will not be altered by this command If the number of values returned by a aD0 command are less than the number specified by the result of the previous M or V command the rest of the data will be collected using aD1 aD2 and so on until all values specified have been collected If one or more values were specified and a valid response to the aDO is return with no data the measurement was aborted and a new M command will have to be sent RO through Continuous M easurements R9 The response is a lt values gt lt CR gt lt LF gt See Data Format section regarding the format of values Values returned by a R command will be 33 characters or less The data buffer in the sensor will not be altered by this command If the number of values returned by a RO command are less than the number specified by the result of the previous M or V command the rest of the data will be collected using R1 R2 and so on until all values specified have been collected The R commands are the same as D except they do not need to be preceded by an M command Send Identifi
179. p to 10 alphanumeric characters The task label will precede the processed acquisition values in the output message s If the Vedas II is equipped with a GOES transmitter the NESDIS authority has predetermined what task labels must accompany standard sensors 43 1 3 Start Of ACQUISHION ura Sie eee ime RR Saad AA de hk edhe ww ee Default 00 00 00 The start of acquisition time is the time of the first acquisition after midnight Format is in hours minutes and seconds ie 1 hour 01 00 00 If the entered task is to be alarm activated only a start time of 24 00 00 must be used 4 3 1 4 Interval Of Acquisition 0 0 hh e Default 01 00 00 The interval of acquisition is the time lapsed between sensor acquisitions Format is in hours minutes and seconds ie 1 hour 01 00 00 Examples Start Of Interval of Acquisition Times Acquisition Acquisition 00 00 00 01 00 00 00 00 00 01 00 00 02 00 00 03 00 00 04 00 00 00 00 15 00 20 00 00 00 15 00 20 15 00 40 15 01 00 15 01 20 15 00 01 00 00 05 00 00 01 00 00 06 00 00 11 00 00 16 00 00 21 00 01 00 00 06 00 00 07 00 00 08 00 00 23 00 00 06 00 00 06 00 00 in Table 4 1 Example Acquisition Inter vals 4 3 1 5 Number Of Samples eeee ahhh Default 1 The number of samples parameter allows the operator to specify the number of samples to be taken during each acquisition period The samples may t
180. ppropriate precautions are not observed with respect to electrostatic discharge Operators handling or having access to the Vedas Il electronics should ground themselves by wearing a proper wrist strap or other protective device Mounting the Internal Modem 10 11 12 13 14 15 16 The power MUST be disconnected from the Vedas II Turn OFF the internal battery if there is one present in the unit The installer should follow static sensitive precautions and weara ground strap Open the cover of the Vedas II Remove the PCM CIA card if there is one in the unit Remove the screw covers from the screws on the cover panel Remove the screws If the panel has a keypad and display it will have wires attached underneath Carefully lift the panel making sure not to damage the PCMCIA connector or wiring Disconn ect the keypad connector and the display connector from the main board if present Remove the panel and place it aside Make sure it is not resting on the display module it is static sensitive Find the U13 marking on the printed wiring board It should have two rows of sockets mounted on the board It is directly over the program terminal connector on the side of the enclosure If the two rows of sockets are not there then the unit is NOT internal modem ready Stop the installation and proceed to step 14 Find JP1 JP2 JP3 JP4 and JP13 located beside U13 If there are shorting jumpers on the headers then they sh
181. procedure will be retried ONLY after editing the system time or the GOES task Once the GOES transmitter has been successfully set up operation is completely automatic 1 Task Programming EN EA A E EN Default 49 The task priority of any RF transmission is set at 49 1 2 RE Transmitter Dype iii E See Pw E ase erue pcr Ds Default TGT 1 The operator must specify the hardware inthe unit Telonics TGT 1 Valcom 697 07 or HDR GOES Future options may be available 1 3 GOES Transmission Mode celles s e RR pasad Default Self Timed The GOES transmission mode determines the transmission mode under which the GOES will be operating Refer to the GOES operator manual for more information on the GOES transmission modes Inputs 0 through 2 represent the following modes 0 Self Timed 1 Self Timed Alam 2 Random Alarm 1 4 Transmission Preamble cecene eee RR EX UR UE RR A EEE EX es Default long The transmission preamble allows the operator to chose either the long or short message pre amble when transmitting to the GOES satellite The long preamble provides the satellite with a longer sync string and should be used if the transmission angle is close to the horizon or the transmission path is obstructed The short pre amble provides ashorter sync string and allows more data to be transmitted in the transmission window 1 5 Transmission Window Length sseeeee a Default 60 Seconds This option allows the opera
182. ps All inputs are filtered against signal noise and protected against unwanted transients The digital inputs provide up to 13 bits of digital information to the Vedas II Additionally 5 of the bit s may be configured as either aslow speed event counter or inputs for an incremental shaft encoder Digital information can input through the side mounted terminalconnectors All inputs are filtered against signal noiseand protected against unwanted transients A versatile low cost direct connect communication link is provided via the Vedas II telephone interface This telephone jack can be used to access an internally mounted modem This may be configured to retrieve data and or provide rem ote programming of the Vedas II system All operator terminal menu operations are available to the dial in user under a password protection scheme In addition to the above telephone interface the Vedas II is able to configure one of its RS 232 ports to be a Hayes compatible modem interface This allows the user to connect a standard off the shelf modem to the Vedas II Each Vedas II provides 512 K 250 000 entries of Flash memory Operator selected acquisition data along with the label and the time are stored in the archive memory section of the Flash The contents may be dumped via the operator telephone interface or the PCM CIA memory card for processing at a central site The Vedas II software calculates the memory archive capacity and displays the memory
183. r is taken first The resulting time stamp associated with each acquisition will exhibit any delays encountered due to hardware contentions The TX archive allocation determination is on the pro grammed start time and is not affected by hardware contentions 4 1 USER S MANUAL VEDAS II ACQUISITION PROGRAMMING 4 2 4 2 5 Sensor Warmup For acquisitions that have a sensor warm up time it should be noted thatthe activation of the strobe or voltage reference signal will occur at the acquisition start time minus the specified warm up time The acquisition will start at the scheduled time 4 3 Data Acquisition Tasks 4 3 1 Common Task Elements All acquisition tasks involve severalcommon parameters for eachtask These parameters are prompted for during each task addition edit and are completely specific to each task A list and description of the common task elements follow 4 3 led Task Priority ci A ee d Pete dete ete aye ee ette No Default This parameter determines the relative position the acquired data will occupy in the telephone and GOES output messages As it is also the value used to index reference each task entered into the system there may be only one task per priority number Priority values 1 to 47 have been dedicated to user entered tasks The analog temperature calibration RF transmitter output and diagnostic tasks are located from 48 to 50 42317 Lasa s orsa A id oe aE Pa ES ROR IE aT No Default The Task Label may consist of u
184. ram Parameters USER S MANUAL VEDAS II INST ALLAT ION 7 9 Verifying Sensor Operation Note that all sensor connections should be performed with the power disconnected from the Vedas II system If an ammeter is available place it in series with the Vedas II battery cable positive connection Observe the meter each time the power is applied to the unit An excessive current draw will be an immediate sign that the current hookup is incorrect and requires review Connect one sensorata time After each sensor is connected verify its operation by powering up the Vedas II system and performing a local acquisition from either the Operator Menu section 5 4 or the Site Calibration Screen section 10 7 10 Calibrating Site Once all sensors are connected and verified as operational it will be necessary to calibrate the sensor readings to the actual measured readings This process involves accessing the Site Calibration Screen from the main menu accessing the appropriate sensor label performing a physical reading of the parameter being measured and then entering the reading into the Vedas II system The physical reading must be taken with a separate calibrated sensor Once the reading has been entered the Vedas II will perform a single acquisition of the sensor and compare the ob tained reading against the entered reading to obtain the difference The software will then add the difference to the current calibration offs
185. red data from the Flash memory to a PC or the PCMCIA card Enter the date and time of the data to be sent After entering the date and time the memory retrieval routine will ask for the device to transmit to the PCMCIA card or to a PC At this point it will begin dumping the data to the specified device Ifusinga PC the operator should be prepared to capture the data to a file for subsequent processing if required Review Appendix A6 for a description on the Vedas IImemory archive dump format Emergency Message The emergency message option allows the operator to substitute the regular RF transmitter message with a text message in order to inform the central office of a situation This option is meant to be used in the case of an emergency situation This can also be accessed through the Keypad Display Menu GOES Transmitter The Vedas IIsupports the entry of an emergency message which will be transmitted via GOES at the next transmission timeslot The emergencymessage option is accessed via the Operator Mode Menu item 7 After selecting the Create Emergency Message option the operator will be prompted to enter the desired message The message may consist of up to 80 characters and is terminated with a carriage return 5 1 USER S MANUAL VEDAS II SYSTEM UTILITIES AND DIAGNOSTICS 5 1 6 5 1 7 5 1 8 Formula Listing This feature produces a listing of the acquisition formulas currently contained in the system The listing w
186. red task by entering the task s priority number The operator may reissue the local acquisition by striking the lt ENTER gt key or alternately may specify another task If the operator places the letter C after the priority numb er the Vedas IIwill continuously perform local acquisitions of the specified task until the lt ESC gt key is struck The operator should be aware that a local acquisition option performs the ac quisition in its entirety In other words if the task is to provide an hourly average using a number of samples the local acquisition will take 1 hour to acquire the data If a more immediate result is required refer to section 10 0 site calibration View Archived Data This option allows the operator to view the acquired data in the Flash memory Enter the date and time of the data to be viewed The operator is prompted to enter the labels of the data required If no labels are entered strike enter at first label request all labels will be dumped The Flash memory will start to send all of the data to the screen that was recorded after the date and time entered The dump is formatted as single acquisitions starting with a carriage return line feed combination During the archive dump the operator may use the ESC key to abort the listing or alternately use the space key to stop the listing for observation Any subsequent key will continue the archive dump Send Archived Data This option allows the operator to transmit the acqui
187. rform a diagnostic checkout enter the calibration mode and save the acquisition parameters of the Vedas II system and attached sensors These menus can be accessed from the program terminal interface or the RS 232 interface or the RS 485 interface or the modem The keypad and display have their own menu selections Refer to chapter 6 for information on the keypad menu system This is a list of the main menu options Add QOO 00 10 014 Q ho ER VEDAS II Operator Diagnostic Menu Calibrate Task Archive Program Parameters Task Edit Task Delete Task Display VI 3 5 1 1 Main M enu Selection 1 Add Task This selection allows the operator to add various task types to the Vedas II task system Each one of these selections will EDAS II Schedule Detailed Task Display Configuration Menu ode Menu start the programming sequence of the acquisition or output task specified Use lt ESC gt to exit the sequence without saving it When the acquisition task is programmed and the unit is initialized the task will start collecting data Refer to chapter 4 for a complete description of the programming sequences The hardware must be present in the unit to support the task orthe task will not be entered ADD TASK MENU n 1 Add 2 Add 3 Add 4 Add 5 Add 6 Add 7 Add 8 Add 9 Add 10 Add 11 Add 12 Add Analog Shaft High S Serial SDI 12 3 5 1 2 Main M enu Selection 2 Edit Task This select
188. rieve Memory Archive This selection prompts the operator to specify the date and time from which to start the memory archive dump The operator may also choose to retrieve only particular labels by entering the label at the prompt The dump is formatted as single acquisitions ie 33 character strings beginning with a carriage return line feed combination During the archive dump the operator may use the lt ESC gt key to abort the listing or alternately use the space key to stop the listing for observation Any key willcontinue the archive dump Review Appendix A 6 for a description of the Vedas II memory archive dump format Some sensor types may contain error messages in place of the data refer to Appendix A 3 for information regarding the error messages 4 6 Using the Vedas If as a SCADA Terminal The Vedas II is fully capable of becoming a SCADA Supervisory Control and Data Acquisition terminal The acquisition task alarm options along with the resident task contained in the Vedas II system provide the tools to have the Vedas II system react and control various events An example ofthese capabilities isto have the Vedas II stop GOES transmissions once the battery voltage falls below a preset limit 11 volts and then re enable the transmissions when the battery voltage is restored gt 11 5 volts In this scenario the user must program two battery tasks the second task could be a linked task The first task would placean alarm lim
189. rmatthe card Use EXIT to return to the Keypad Menu 6 2 1 8 KEYPAD Menu Option 8 Set VEDAS II Time lesse IRR No Default This option allowsthe operator to set the Vedas II time Use the four arrow keys to modify the displayed time and press ENT ER gt to accept it Press EXIT to Initialize the unit Note Whenever the time is modified the unit becomesuninitialized Pressing EXIT will Initialize the unit and then it will continue to run 6 2 1 9 KEYPAD Menu Option 9 Set Terminal Baud eeleseeeee ee Default 0 Autobaud This option allows the operator to select a different terminal baud rate The UP and D OWN gt arrow keys will change the settings Zero isthe autobaud feature Press EXIT to return to the Keypad Menu 6 2 2 Future Developments This menu can be expanded in the future to include a feature that will upgrade the Vedas II software directly from the PCMCIA card This option can allow easy software upgrades by simply inserting the card and selecting the Upgrade Software option USER S MANUAL VEDAS II INST ALLAT ION SECTION 7 0 INSTALLATION 7 1 Introduction This section of the manual details installation procedures for correctly installing the V edas II equipment The deciding fac tor in insuringa trouble free installation when installing equipment in the field is usually the preliminary setup in the shop During the setup the Vedas II and associated sensor
190. rs when the parity bit does not match the required parity state when calculated from the previous data bits Personal Computer Memory Card International Association PCMCIA is an association founded to define a standard memory card interface The memory card slot in the Vedas II unit conforms to these guides The PCMCIA Card is a Flash memory device used for easy transfer of stored data from the Vedas II to a central location Vedas II can accept 1 Meg 2 Meg 4 Meg or 8 Meg cards Programmable Erasable Read Only Memory The PEROM is a non volatile memory device This is also referred to as FLASH memory Quad Universal Asynchronous Receiver Transmitter A QUART is a hardware device in a computer based system which selects one set of four differentinputs and translates the parallel data inform ation into a serial format Random Access Memory RS 232 is an interface specification that details connection between Data Terminal Equipment DTE and Data Communications Equipment DCE Data is transferred using an asynchronous serial format RS 485 is a three way interface specification that details a balanced connection between data terminal equipment and multiple perip herals Data is transferred using an asynchronous serial format Real Time Clock A RTC device through an internal timing circuit maintains the current time and date The Vedas II is equipped with an RTC device on the controller card Request To Send RS 232 control line used
191. rse Over Under Voltage Protection Standard Environmental Protection Standard Power Cable Standard Program Terminal Cable Standard Flash Memory Standard PCMCIA Card Connections Standard Internal Clock Power Outage Protected Standard 12 Volts Programmable outputs Standard 5 Volt Controlled output Standard RS 232 Interfaces Standard Digital Interface Standard Pulse Counters Standard SDI Interfaces Standard Keypad and LCD Display Standard Analog Interface Option High Speed Interface Option Internal Modem Option Goes Transmitter Option Orbcomm Transmitter Option RS 485 Interface Option Internal Shaft Encoder Option Internal Battery Backup and Charging Circuits Option USER S MANUAL VEDAS II INTRODUCTION 1 7 1 6 System Limitations The initial release of Vedas II limits the operator to 50 acquisition tasks Tasks 48 and 50 are reserved for internal temperature and diagnostics respectively Task 49 is reserved for an RF transmitter GOES or Orbcomm Timing resolution for the activation of tasks and acquisition samples etc are limited to 1 second increments The minimum acquisition or output task rate is limited to one per day The internaltiming resolution of the software is set at 10 ms This timing resolution creates a limitation on the maximum speed of the digital event counter 100 Hz and digital shaft encoder 100 pulses sec connected to the Vedas II system Both the RS 232 ports on the controller card are multi purpose
192. rts listing And Any Other Key Stops Starts Listing Operator entry into the monitor code should only be done using specific instructions received from V alcom Lim ited Diagnostic options have been placed in the monitor pro gram which can cause the run time code to be corrupted IMPORTANT Valcom Limited will not be responsible for events thatoccur if the user accesses the Firmware Upgrade Monitor without receiving explicit instructions from Valcom Limited An internal sanity timer trip counter has been placed inthe monitor routine and will cease to activate the VEDAS software once 10 sanity timer trips have been registered The monitor routine will if a modem exists activate the modem and answer any incoming calls The internal sanity trip counter is cleared by either a VEDAS power up occurrence or the operator activation of the monitor program Memory Initialization Procedure The follo wing information details a procedure to initialize the V EDAS program memory via the monitor routine Under normal operations this procedure should never be required and should only be used when the system becomes corrupted and the VEDAS software is inaccessible In order to access the monitor routine the message FLASH Check must appear on the terminal screen If during the time the FLASH Check message is present on the screen the operator strikes the lt gt key the VEDAS firmware upgrade monitor program will be activated An appropriate sign on
193. s canbe tested and the Vedas Il is preprogrammed to insure everything is working properly when you go to the site Once you have the system working satisfactorily in the shop disassemble the setup and make sure that each item is packed along with any tools required If the site is sufficiently remote a number of spare items may be considered 7 2 Unpacking 7 24 Open the heavy cardboard carton and remove the packing material from the container Carefully remove the static bag containing the Vedas II enclosure and place it on a properly grounded work station table top CAUTION The Vedas II system contains STATIC SENSITIVE DEVICES which may be damaged if appropriate precautions are not observed with respect to electrostatic discharge Operators handling or having access to the Vedas II electronics should ground themselves b y wearing a proper wrist strap or other protective device Inspection Visually inspect the Vedas II enclosure for physical damage such as dents orscratches which may have occurred during shipment of the equipment to its destination If equipped with a GOES transmitter check that it is fastened securely in position Ensure that all connectors and plugs are in good condition and are securely in place 7 3 System Grounding When installing the Vedas II atthe site itis very important to secure a good ground for the unit A poor system ground will compromise the lightning and transient protection circuits loca
194. s suae a ee Sees A A a eR a ete th ua es m oie e ws 5 1 5 1 1 Immediate Task Execution e ee ww etes PHI eg A cO e V Dl SR OR RE INT 5 1 5 1 1 1 Programmed Task id hoe Rin Bed Ree ci a es ei E nee M OY EUR 5 1 5 1 2 View Archived Data ii RI GA Be A I EE a OE SS 5 1 USER S MANUAL VEDAS II Page ix Table Of Contents 5 1 3 Send Archived D ata ETA A ee a a x E RE SEA SS Oe Ra C Ee 5 1 5 1 4 Emergency Message eii AA qan Aare aces v a e do deka RENE UR Mte PRG 5 1 5 1 5 GOES Transmitter 0655 Heed s G4 ease Raed Selb dell oa aa doe eo Eds e Dada 5 1 5 1 6 Pormul Listing A de hee asad aa 5 2 5 1 7 Test Formula tan ee BROS ha Nee Racin oe ee OY Aas Chinas Eme RN SU E UP Ee 5 2 5 1 8 Resident Tasks oes sete eed ette t dae deal od 5 2 5 1 9 Display PCMCIA Inform tion 1453 mscr A MAE EE A TENOR EE GUERRE 5 3 5 1 10 Erase Format PCMCIA Card 4 Ies Re A Ee We eaa Wiebe eere ey oeste e dece e ERR 5 3 5 1 11 Upgrade VEDAS II Software From PCMCIA Card slleeeeeee eh 5 3 5 2 Diagnostic MU staret IN UE d RR Se a At BARAT ERA ed ac de OY 5 3 5 2 1 Direct RF Transmitter Communication eee hn 5 3 5 2 2 Direct SDI 12 Communication s css eect eee e ae a e E E E s 5 3 5 2 3 Direct Senal Communicationes zog sheeted cd ah ook e ER E eR vau ex a ans Y 5 3 5 2 4 SDI 12 Loopback TestidB cece eee eee 5 4 5 2 5 Clear Archive Memory conte AA a eke Et ae eI eta ts eee 5 4 5 2 6 Display Error Logd ieri ADIP a se RA ee at e UN ER I ad
195. sition value is placed in the memory archive If the acquisition meets the TX archive criteria the value is placed in the transmit archive The next acquisition time is calculated and placed in the time queue USER S MANUAL VEDAS II OPERATIONAL THEORY 11 5 11 11 SDI 12 Acquisition Task The following events occur during the execution of an SDI 12 acquisition 1 At the scheduled acquisition time the SDI 12 device is sent the appropriate measurement command 2 The SDI 12 device returns the time required to perform the measurement 3 After the measurement time has elapsed the SDI 12 device is senta send data command 4 The SDI 12 device sends the acquired data 5 The data string is parsed for the appropriate data The received string is then passed to the next secondary task 6 All secondary tasks are processed similarly 7 All samples are gathered and processed according to the sample option 8 The formula number is processed 9 The calibration slope offset values are processed 10 If selected by the operator the acquisition value is placed in the memory archive 11 If the acquisition meets the TX archive criteria the value is placed in the transmit archive 12 The next acquisition time forthe parent task is calculated and placed in the time queue 11 12 Modem Output Task The following events occur during the execution of a modem output task NOTE While the modem task is executing all communications to the
196. smission time USER S MANUAL VEDAS II ACQUISITION PROGRAMMING 4 4 A Sell OU XAT CHIV EG Offset os do Galles seth reto Die Ret a ta iaa Ate S Default 00 00 The TX archive offset is the time offsetin hours and minutes from midnight to the first sensor acquisition that is to be placed in a TX archive buffer This offset should correspond to the time stamp of the first acquisition of the day that is to be transferred to the RF transmitter 43 lA EX Archive Interval sued SAN ed ARS erra E ee ls eS Default 01 00 The TX archive intervalis the time in hours and minutes between successive acquisitions thatare to be placed inthe TX archive buffer See table 4 3 and table 4 4 for examples regarding RF data transmission settings Examples Start Of Interval of TX Archive TX Archive Acquisition Archival Times Acquisition Acquisition Offset Interval 00 00 00 01 00 00 00 00 00 00 00 01 00 00 02 00 00 00 00 00 00 20 00 00 20 00 20 00 01 20 00 02 20 00 00 01 30 00 05 00 00 01 00 01 30 00 31 30 01 01 30 06 00 00 01 00 00 06 00 06 00 00 10 00 00 14 00 00 Table 4 3 Example TX Archive Settings Number of TX Archive Tx Archive TX Archive Time stamps at the end of the day TX Offset Interval Archives 6 00 00 01 00 23 00 22 00 21 00 20 00 19 00 18 00 6 00 05 00 20 23 45 23 25 23 05 22 45 22 25 22 05 8 00 10 00 30 23 40 23 10 22 40 22 10 21 40 21 10 20 40 20 10 Loo I ass Table 4 4 Exa
197. srcriren urias min maree n ehh Defaults as specified Refer to section 4 3 for a de scription of the remainder of the task pro gramming elements 4 3 5 SDI 12 Acquisition The controller board has two SDI 12 interfaces marked as SDI 12 channel 0 and SDI 12 channel 1 The SDI 12 operation is in accordance with the SDI 12 interface standard Refer to Appendix A 10 for further information on the SDI 12 structure and protocol 4 3 5 1 SDI Task Readings The SDI 12 acquisition is designed to support multiple data values contained in the returned sensor message The SDI task performs the physical data acquisition process and therefore requires the appropriate acquisition timing parameters to determine the time of acquisition 4 3 5 2 Task Programming 4 3 5 2 Number Of Data Values 03000 poe ged ages ee ede Bees ee ea eect eee eee Default 1 The number of data values determines the number of data values to be processed from the incoming SDI 12 message 4 3 5 22 SDI 12 Channel Number cool ty eis doa ete ee puer Lee P do Ru e e Pss Default 1 The SDI 12 channel determines the SDI 12 port channel number on the connector board to which the sensor is connected The operator may select SDI channel 0 or SDI channel 1 Both connectors are removable for easy set up and removal of the channels 4 3 5 2 3 Device A e RN Default 0 The device address parameter specifies the SDI 12 device address ofthe sensor from which data is to be acquired The val
198. ssion For A TGT 1 GOES Transmitter or a SAT HDR GOES Transmitter 1 Immediately after initialization the GOES output task is invoked Current GOES archive data is gathered and sent to the GOES transmitter 2 The GOES update time is sent to the archive memory ifselected by the operator 3 The next GOES output time is calculated as the current time plus the regular random transmit interval 4 The GOES will transmit the data one time within the regular random transmit interval on the selected random channel 5 Ifan alarm condition occurs the GOES buffer is updated immediately and the update time is sent to the archive memory if selected by the operator 6 The GOES transmitter isthen instructed to immediately transmit the data one timeon the selected random channel USER S MANUAL VEDAS II OPERATIONAL THEORY 11 14 Diagnostic Acquisition Task The following events occur during the execution of a diagnostic task 1 Upon completion of the system initialization the diagnostic task is immediately invoked 2 The integrity of the system set up parameters stored in FLASH memory is verified 3 Ifa modem is presentand in the powered down state the ring detect circuitry is verified to be active 4 The next acquisition time is calculated and placed in the time queue USER S MANUAL VEDAS II UPGRADING SY STEM HARDWARE 12 1 SECTION 12 0 UPGRADING SYSTEM HARDWARE 12 1 System Hardware Vedas II is not a modular system The Ved
199. stored with its associated label and time stamp into the memory archive or transferred via an RF transmitter In almost all cases exce pt when dealing with modems baud is the same as bits per second which determines the speed as which serial information is conveyed between devices Technically it refers to the rate of change of a signal carrying information Since in most cases one signal state conveys one bit of information baud and bits per second are interchangeable Binary Coded Decimal A system of four binary digits used to represent decimal numbers 0 9 A base 2 number system used by computers represented by 1 and 0 A bit isa single piece of digital information A bit can either be a 1 or a 0 this can corresponded to simple decisions like YES or NO or ON or OFF A byte is a bit configuration consisting of 8 sequential bits A byte may represent a numeric value ranging from 0 to 255 A tone that a modem sends over the telephone lines before any data is sent The carrier is used to synchronize and indicate a modems presence between two connected modems A checksum is a value whichresults from a mathematic operation being performed on a section of digital data The value is stored and compared with subsequent checksum operations to verify the unchanged state of the digital data Performed when power is applied to the system or the sanity timer trips The software checks the integrity ofthe RAM non destructive test and the
200. t CR gt lt LF gt BB 1 4567e 01 01 15 03 carriage return line feed combination Is the sensor label ie Battery Voltage The sensor label always contains 10 characters Labels shorter than 10 characters are padded with spaces delimiter Is the recorded sensor data 1e 14 567 volts It is displayed in scientific notation and always contains 5 significant digits If negative the number is prefixed with a dash In the case that an acquisition failed due to a hardware fault the software will place the cause of the error ie text message 12 character long in place of the sensor data Acquisition time stamp For average and last sam ple options the time stamp is the time that the acquisition s first sample was taken For the maximum and minimum sample options the time stamp is the time that the maximum or minimum event occurred A date stamp entry is placed in the archive memory each time a system initialization is performed and at the start of each day The data stamp format is as follows lt CR gt lt LF gt lt sp gt lt sp gt Y Y YY MM DD Station Number Below is a sample date stamp entry lt CR gt lt LF gt __ 1991 01 20 0123456789 where lt CR gt lt LF gt YYYY MM DD Carriage return Line Feed combination represents a space character delimiter represents the year of the date stamp entry delimiter represents the month of the date stamp entry represents the day of the date stamp entry
201. t saree pede se A PAGG dep 12 1 12 6 Installation of Internal Mode 12 2 12 6 1 Mounting the Internal Modem eee hrs 12 2 12 6 2 Connections For An External Modem or RS 232 Interface 0 cece eee eee 12 3 Section 130 VEDAS PROGRAM MING EXAM PLES 13 1 ANALOG ACQUISITION EXAMPLES eee 13 1 13 1 1 Battery Voltage Acquisition o 13 1 USER S MANUAL VEDAS II Page xii Table Of Contents 13 1 2 Temperature Probe Acquisition hh 13 2 13 1 3 OBS 23 Turbidity Sensor s egre a FUN ae Rd Rhe m de RR ER PAS OR d ets 13 3 13 2 DIGITAL ACQUISITION EXAMPLES eeseeeee rn 13 4 13 2 1 Precipitation Gauge sos coss n reri ses edge Stee Poe a aw LY ee RUSO Ded Ree uU RUE 13 4 13 2 2 Tipping Bucket Rain Gauge i xe A EMI RUE SAMS YO SESS 13 5 13 2 3 Incremental Shaft Encoder 13 5 13 2 4 Absolute Atmospheric Pressure 0 0c nee rs 13 6 13 3 SERIAL ACQUISITION EXAMPLE 0 cece re rre 13 7 13 3 1 Serial Pressure Sensor os gy aha ea A eA are ees AA oie ES 13 7 13 4 SDI 12 ACQUISITION EXAMPLE cece hh rhe 13 8 13 4 1 VISE Valcom Incremental Shaft Encoder SDI 12 Model 0 0 0 0 ccc cee ees 13 8 13 5 LINKED TASK ACQUISITION EXAMPLE 0 0 0 0 ccc tees 13 9 13 5 1 Daily Maximum Minimum x sic Phas eee a tex A XX ERE ES 13 9 13 6 RF TRANSMITTER OUTPUT PROGRAMMING EXAMPLES sssssee es 13 10 13 6 1 GOES Transmitter Output Task c Exe RR PARE EE m s As a RES
202. tected individually switched 12 V outputs 1 amp e 4 protected 12 V outputs 1 amp e One 5 V switched output 100 ma Pulse Counter Inputs e 16 bit resolution e 7low frequency inputs 5 V pulses 100 Hz e 2 high frequency inputs 20 mV ss to20V 200 KHz Analog Inputs e 7 single ended only channels 7 differential or up to 14 single ended channels Low level AC frequency measure ments Battery voltage internal System temperature 0 5 C accuracy Input level 5 0 V to 5 0 V Selectable gains x1 x10 x100 x1000 Resolution 0 2 mV gain x1 Sample rate 10 Hz to 1 8 KHz Input resistance 10 G_ Acquisition Interval e 1 to 86400 seconds with 1 second resolution Options e Intemal modem 40 C to 85 C e GOES satellite transmitter e Integrated shaft encoder e RS 485 port instead of one SDI 12 port e PC support software e Intemal Backup Battery 20 C to 50 C
203. ted in the Vedas II and expose the system to possible damage The grounded conductor should be fastened to the ground stud on the enclosure It is marked with a ground symbol An acceptable earth ground usually consists of a steel rod driven into the earth s surface approximately three feet The quality of the ground path depends on thesoil compositionand the moisture content and will change throughout the year as weather conditions change When laying outthe grounding conductors conductor size should be 18 AWG or larger at the site the op erator should ensure that only a single path to the earth ground exists This prevents transients which develop due to loops which can cause differences in electrical potential within the grounding system 7 1 USER S MANUAL VEDAS II INST ALLAT ION 7 4 Power Protection System 7 4 1 7 4 2 7 4 3 The Vedas II unit is equipped with reverse under and over voltage protection on the battery input connection Under Voltage Protection The Vedas II under voltage protection circuit removes power from the Vedas II once the battery voltage drops below 9 5 volts The Vedas II will test the input and resume normal operation if the input voltage has increased to a higher level The 12 volt connections on the terminal strip and the 12 volt power lines in the SDI 12 interfaces are not affected by the protection circuit Over Voltage Protection The Vedas II over voltage protection circuit starts to limit
204. tery is used as a backup power source to the clock Internal Jumper Settings The Vedas II has some configuration jumpers on the main printed wiring board These are configured at the factory according the hardware specifications and procurement options at the time of purchase Many ofthe jumpers willbe a jumper wire and some may be aremovable shorting strap on a 2 or 3 pin header Each one of these jumper settings can have an effect on the operation of the unit Each jumper must have one or the other ofthese settings or the unit may not function properly It is suggested that these are Not user serviceable Hl RS 232 Interface External Modem Orbcomm Jumper Connection Function JP1 None Internal Modem Only 1 2 RS 232 Interface External Modem Orbcomm JP2 Internal Modem Only RS 232 Interface External Modem Orbcomm JP3 Internal Modem Only RS 232 Interface External Modem Orbcomm JP4 Internal Modem Only RS 232 Interface External Modem Orbcomm JP13 Internal Modem Only E Orbcomm JP6 RS 232 Interface External Mo dem D efault Orbcomm JP7 RS 232 Interface External Mo dem D efault Orbcomm JP8 1 2 RS 232 Interface External Modem Default 2 3 Orbcomm JP9 2 3 Analog O uput Control Default JPS RS 232 Interface External Modem Default JP10 1 2 RS 485 is Operational SDI 0 Not available 2 3 SDI 0 is Operational RS 485 Not available Default JP11 None Reserved JP12 None
205. time the digital strobe is removed and re activated at the time for the next sample minus the warm up time 4 All samples are gathered and processed according to the sample option 5 The formula number is processed 6 The calibration slope offset values are processed 7 Ifselected by the operator the acquisition value is placed in the memory archive 8 Ifthe acquisition meets the TX archive criteria the value is placed in the transmit archive 9 The next acquisition time is calculated and placed in the time queue USER S MANUAL VEDAS II OPERATIONAL THEORY 11 3 11 7 Event Counter Acquisition Task The following occurs every 10 ms for each event counter acquisition placed in the system 1 The current event counter input is read compared to the last read value and incremented if the change equals the program med transition level The following events occur during the execution of an event counter acquisition 1 At the scheduled acquisition time the current event count is acquired 2 The formula number is processed 3 The calibration slope offset values are processed 4 Ifselected by the operator the acquisition value is placed in the memory archive 5 Ifthe acquisition meets the TX archive criteria the value is placed in the transmit archive 6 Thecurrent event count is cleared if optioned by the operator 7 The next acquisition time is calculated and placed in the time queue 11 8 Shaft Encoder Acquisit
206. to 57 6K baud Communications Ch 0 SDI 12 Ch 1 SDI 12 RS 485 port Real time clock battery backed up Accuracy 50 ppm tunable Strobe Output 2 strobe outputs 12 volts 1 A 1 controlled 5 volt output 100 mA Quiescent Current 1 5 mA sleep mode USER S MANUAL VEDAS II INTRODUCTION 1 4 EQUIPMENT NOMENCLATURE DESCRIPTION Analog Interface Digital Interface Telephone Interface Memory Archive High Speed Counter Input Filtering Input Voltage Accuracy Sample Time Gain Conversion Reference Voltage Output Quiescent Current Inputs Outputs Input Filtering Lo Speed Event Shaft Encoder Strobe Output Modes of Operation Modulation Capacity Battery life Frequency Input 7 differential inputs or 14 single ended or combination 7 single ended inputs 1 battery voltage input 1 system temp erature input 1 ground reference input Surge protected EMI protection optional First order low pass filter 3dB Y 1 kHz 5 to 5 volts DC 0 01 of full scale 0 05 at 100X Gain 40 to 50 C 50 ms with 60 Hz rejection 1 10 100 1000 programma ble 20 Bit resolution Software corrected 4 programmable 0 to 5 volts strobe outputs load compensated zero analog section deactivated during sleep 13 programmable CMOS TTL bits 6 programmable 5 volt outputs 1mA Surge protected EMI protection optional First order low pass filter 3dB 1kHz 100 Hz max co
207. to perform any of the operations required The keypad options are listed below They can be accessed by using the UP and DOWN arrow ke ys to display the selection and the EN TER key to execute it The reference to PCMCIA is to the PCMCIA memory card The PCMCIA card will function as a floppy disk for storing files 6 2 1 KEYPAD M enu Functions 1 Calibrate Task Execute Task View Current Data Data To PCMCIA Setup To PCMCIA Setup From PCM CIA Format PCMCIA Set Vedas II Time Set Terminal Baud 1 9 n 9 t RSS 6 2 1 1 KEYPAD Menu Option 1 Calibrate Task llleeee e I No Default This option allows the operator to select and calibrate the acquisition task in the system Use the lt UP gt and lt DOWN gt arrow keys to select the desired task and press lt ENTER gt The task will display its current readings and request the operator to input the correct data The operator must have a separate calibrated sensor reading to input into the Vedas II Use the lt R IGHT gt and lt L EFT gt arrow keys to selectthe digits to be changed and use the lt UP gt and lt DOWN gt arrow keys to change the numbers until the displayed number is correct Press lt ENTER gt to accept the number Press lt EXIT gt to return to the Keypad Menu without entering a calibration number 6 2 1 2 KEYPAD Menu Option 2 Execute Task 0 0 0c I No Default This option allows the operator to select and execute a task to ensure t
208. to the parameters supplied by the NESDIS authority GOES TransmitterID 12345678 Self Timed Transmission GMT Start of transmission time 02 17 00 Transmit Interval 03 00 00 GOES Transmit Channel 151 The Vedas II station is located in Guelph Ontario CANADA which has a GM T offset of 5 hours As the transmit path is relatively clear and the transmit antenna angle not too close to the horizon a short preamble is selected to maximize the amount of data that can be transmitted ADD RF Transmitter Output RF Transmitter Type 1 GOES TGT 1 2 GOES 697 07 3 SAT HDR GOES 1 gt Transmission Mode 0 Self Timed 1 Self Timed Alarm 2 Random Alarm lt 0 gt gt Transmission Preamble 0 Short l Long 0 gt Transmission Window Length 10 120 sec lt 60 gt gt RF Transmitter Data Rate 1 100 2 300 3 1200 1 gt Transmission Message Format 0 Condensed 1 Detailed lt 0 gt gt Archive GOES Update Time lt Y gt gt Modem Sends GOES Update Time lt Y gt gt Transmission ID Address gt 12345678 GMT Offset Local Time GMT GMT Offset lt 05 00 gt gt GMT Start of Transmission lt 00 00 00 gt gt 02 17 00 Self Timed TX Interval lt 03 00 00 gt gt 03 00 00 Self Timed Transmission Channel 1 199 lt 1 gt gt 151 Update New Setting to the SAT HDR GOES lt N gt gt Y These settings are only available ifthe SAT HDR GOES is selected USER S MANUAL
209. tor to vary the length ofthe transmission between 10 seconds and 120 seconds T he default setting is 60 seconds If the operator wants to increase this time they must first make sure that they are allocating enough time in the NESDIS System Please check the length of the assigned window It should never be set for more time than is allotted It should never be set for less time than is required to send the message otherwise data may be truncated Please consult with the NESDIS protocols if there is a problem with the default setting L6 RF Transmitter Data R te oeo zarg sence sete chien tied AXE eS See bee eee Default 100 This optionappears only when the SAT HDR GO ES model is selected It allows the user to selectthe transmittingbaud rate of either 100 300 or 1200 bps 1 7 Transmission Message Format 0 0 cece cnet Default Condensed This option allows the operator to selecta condensed message or a detailed transmission The condensed message will require less time than the detailed transmission LS Archive GOES Update Tim suc e e RE RR teen e ad awe yb Default Yes The archive GOES Update Time determines whether the time of the data update to the GOES 1 minute before transmission is date time stamped into the archive memory 4 13 USER S MANUAL VEDAS II ACQUISITION PROGRAM MING 4 4 1 19 Modem Sends GOES Update Time 0 0 ooo Default Yes 4 4 1 4 4 1 4 4 1 4 4 1 4 4 1 4 4
210. try D lay M ih im oes a sear Ra eis CAS toda Re ee abel Hae iesus CR b a ted Default 1 The retry delay determines the time between a failed communication and the subsequent connection retry 1 to 59 minutes The Vedas II will try to complete the connection 3 times before logging a failed telephone output atte mpt This setting is not available for Radio Modem Output Tasks 4 4 2 1 10 Archive Modem Output Time 0 0 cc RI Default Yes The archive modem output time determines whether the time of the data update to the modem is date time stamped into the archive memory 4 4 2 1 11 Modem Sends Last Execution Time o o ooooooor ce th Default Yes The modem output message will include the time of the last transmission 4 4 2 1 12 Message Preamble oe cries IA DREW A Se ae NEN GN A EE EAS No Default The message preamble allows the user to prefix the modem output message with an alphanumeric string of up to 34 characters 4 4 2 1 13 Common Task Elements lee ee No D efault There are no common elements in the modem output task 4 4 3 Measuring Unknown Resistance The analog acquisition task can be used to find the resistance of a sensor or a resistor You will require an unknown resistance to be measured and either one or three resistors ofknown value Follow the analog acquisition programming procedures and enter either 2 Half Bridge or 3 Full Bridge when asked for the measurement typ
211. tter ADD High Speed Acquisition Priority of Task 1 47 gt 7 High Speed Input Channel 0 HS0 1 HS1 0 gt Maximum Frequency 0 0001 200 KHz lt 200 0000 gt gt Switched 12V Output 0 12S0 1 12S1 2 None lt 2 gt gt 1 Output Settling Time lt 00 00 01 gt gt 00 00 15 Task Label gt Hg o Oo Start of Acquisition 00 00 00 00 05 00 Interval of Acquisition 01 00 00 gt 00 15 00 Number of Samples 1 18000 1 gt Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 3 First Acquisition For Output Archive 00 00 00 20 Output Archive Interval 01 00 gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives Y gt Formula Number 0 43 31 gt 30 Calibration Gain lt 1 000000000 gt gt 2419 Calibration Offset lt 0 000000000 gt gt 39688 Alarm Limit 0 None or Limit After lt gt or start stop 0 gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 7 13 3 SERIAL ACQUISITION EXAMPLES 13 3 1 Serial Pressure Sensor A pressure sensor outputs atmospheric pressure and ambient temperature in a serial RS 232 format 7 bits 2 stop bits even parity at 300 baud Data is automatically output every 10 seconds The data format of the sensor is HG 28 880 T A 23 4 lt cr gt lt lf gt where the first read
212. ty Is Invalid Or Already Exists Cause Solution Program Parameters Are Not Archived Cause PC Input Is Being Used B y Shaft Solution Cause Random Alarm Interval Too Large Solution General error the operator selected an invalid priority number Review and reselect a priority number Programming error occurred while trying to save the acquisition parameters Retry operation If error persists mark unit as The operator may have requested use of a pulse counter unserviceable and return to Valcom for repair The random alarm interval on the GOES output task is too large Reduce the random alarm interval USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution Received Program Parameters Are Cause Invalid Solution There may be a problem with the uploaded file or file name or there may have been an error in transfer of the files from the terminal to the Vedas II Check the file it should be 8072 bytes Check the baud rate Program parameters transfers should be performed at 9600 baud or lower Cause Solution Retry Delay To Large The telephone retry delay is too large Reduce the retry delay or increase the output interval retries to occur RF Transmitter Task Must Be Added Cause Solution The operator may have tried a task execution on a disabled transmitter Try adding the task If this does not work there could The output interval must be large enough to permit 3 be a proble
213. type Enter the configuration menu and check the modem interface setup Modem Type Has Not Been Selected Cause Solution The operator selected a telephone output task without a telephone device in the system The operator must first select a telephone device type via item 4 Setup Telephone Interface in the configuration menu New Password Not Verified Cause Solution Not Enough Memory For A Program Cause Parameter Buffer Modem Baud Rate or Data Bits or Stop Solution Not Enough Memory For A Task s Cause Output Message Solution New Password not verified Repeat the telephone setup routine There may not be enough available memory to load the program parameters Check the number of current tasks and delete some of them Check the archive memory overwrite functions Contact Valcom for further information The task s output message is too big for the available memory Attempt to reduce the length of the output message or try to gather the stored data and erase some memory Check the setting of the mem ory archive o verwrite function USER S MANUAL VEDAS II APPENDIX A 11 Cause Solution Output Interval 1 Min Cause Solution Operator tried to specify atelephone output interval of lt per minute Adjust the telephone output interval to be within the limitations of the VEDAS system Password Required Cause Solution The operator may have tried to perform a function
214. ud rate and data asspecified below The following lists each item in the modem set up option along with a description 8 21 Baud Rate cit RERO RE RI aX REA e ek re Re Epis m eate aed Default 9600 This option selects the baud rate ofthe telephone interface rates of 300 baud to 14 400 are supported 8 2 12 Number of Bits vor LA Ik IPC e quede qe ERE A EIE CE ELA Default 8 This option sets the number of data bits per word forthe transmitted and received data 8 2 1 3 Number of Stop Bits osse Gh hs IS de ee eee Fede eu E ee eee Aedes Default 1 This option sets the number of stop bits for the transmitted data 8 24 Rarity Bit s eroe dose em ate oda eo teta geo tds DeC OTN toe SEAR oet eM e dE Default None This option sets the parity bit for the transmitted data The input range is 0 2 where 0 none 1 even 2 odd A parity error on received data will cause the QUART error in the error log to be incremented 82 165 Tone Dial i Fees pete each eta Pp apne Seale Soak Dee dead rag n equ does d ee Sead tX E weg Default Tone This option determines the dial out method of any telephone output task existing within the system A Y response selects touch tone dialling while N selects the pulse dial method 8 2 1 6 Hang Up Delay cia ed otek DA A A EE ee ee E Default 1 This option sets the number of whole minutes that will expire between the last key entry and the automatic hang up performed by the Vedas II unit ra
215. ughout the menu system the following keys will always perform the designated functions listed in table 3 1 KEY STROKE FUNCTION ESC Escape Key Will always abort the current procedure and return the operator to the calling menu If the operator is in the main menu when the escape key is struck a system initialization procedure will be invoked BS Back space Will always delete the previous key stroke if one exists DEL Delete Will always delete the previous key stroke if one exists When the character is placed at the beginning of an operator input all subsequent output to the screen is bypassed until the next operator input is required This mode is used when down loading the Vedas II program requirements from a laptop or similar device When prompted to enter a string ie task label the CTRL Y combination erases the default string and prompts the operator with an empty line lt default gt Upon prompting for an entry from the operator all numeric default or previous data will be located between less than and greater than signs To accept the default condition the operator need only strike the EN TER gt key Table 3 1 Common Key Functions USER S MANUAL VEDAS II 3 5 1 Main Menu SYSTEM CONFIGURATION The main menu is the core of the Vedas II menu system From here the operator can manipulate the task acquisition system configure the Vedas II system perform operator requested functions pe
216. unless the correct jumper connections are present Refer to section 2 3 2 for the jumper settings To remove the internal modem or to install the internal modem jumpers JP1 JP2 JP3 JP4 and JP13 follow theinternal modem installation procedures with two changes At step 12 add the jumpers to the headers use a two pin shunt assy At step 13 carefully remove the modem 12 3 USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 1 SECTION 13 0 VEDAS II PROGRAMMING EXAMPLES 13 1 ANALOG ACQUISITION EXAM PLES 13 1 1 Battery Voltage Acquisition Battery voltage is to be read at 5 minute intervals starting at the top of the hour An hourly battery voltage reading occurring at 15 minutes after the hour is to be transferred to the modem and RF transmitter ADD Analog Acquisition Priority of Task 1 47 gt 1 Input Type 0 Diff 1 Single Ended 2 VEDAS Temp 3 Battery lt 0 gt gt 3 Task Label gt Battery Start of Acquisition lt 00 00 00 gt gt Interval of Acquisition lt 01 00 00 gt gt 00 05 00 Number of Samples 1 18000 lt 1 gt gt Output Data Format 0 Exponential 1 9 Number of Digits lt 0 gt gt 3 Archive Acquisition Data lt Y gt gt Number of Output Archives 0 99 lt 0 gt gt 6 First Acquisition For Output Archive lt 00 00 gt gt 00 15 Output Archive Interval lt 01 00 gt gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives lt Y gt gt Formula Number 0 43 lt
217. unter 100 counts second maximum Individually switched x2 12 volts 1 A 300 14 400baud full duplex channel Auto answer auto dial Originate and answer mode Frequency shift keying Up to 512K bytes 1 year fully configured 1 Hz to200 KHz 20 mV to 20 Ving rms USER S MANUAL VEDAS II INTRODUCTION 1 5 EQUIPMENT NOMENCLATURE DESCRIPTION General Packaging Operating Temperature Humidity Shock Vibration Input Voltage Quiescent Current Weight Nema Enclosure Size 40 C to 50 C 100 non condensing 15 g 11 ms 5Hz 45Hz 1l1g 45 Hz 100 Hz 0 01 in 100 Hz 1000 Hz 5 g 11 to 15 VDC with reverse under and over voltage protection less than 12 mA fully loaded 6 lbs 14 0 in long 11 0 in wide 7 0 in high 10 5 Ibs with GOES transmitter and battery USER S MANUAL VEDAS II INTRODUCTION 1 6 1 5 System Procurement Options The Vedas II basic con figuration includes NEM A enclosure 12 volts strobed outputs 5 volt controlled output digital inputs and outputs PCMCIA memory card connections pulse counter SDI inputs and RS 232 interfaces The selection of the base configuration is dependant on the site resources and sensor requirements Each option is easily installed at Valcom Future upgrades are available at V alcom Table 1 2 Procurement Options VEDASIIPROCUREMENT ITEMS LEVEL 1 LEVEL 2 NEMA Enclosure Standard Lightning Protection Standard Reve
218. unter Channel 0 4 2PCO PC4 6 SDI 0 7 SDI 1 0 gt 4 Transition Level 1 Rising 2 Falling 3 Both 1 gt Reset Events After Each Sample Y gt Task Label gt Tip Bucket Start of Acquisition 00 00 00 gt Interval of Acquisition 01 00 00 gt Number of Samples 1 18000 1 gt Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt First Acquisition For Output Archive 00 00 gt Output Archive Interval 01 00 gt Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives Y gt Formula Number 0 43 31 Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt 13 2 3 Incremental Shaft Encoder An incrementalshaft encoder quad phase output is to be used to gather water level measurements in a stilling well The LSBit is connected to PCI and the MSBit is connected to PC2 the power comes from a 12 volt output Water level measurements are required every 15 minutes starting at 2 minutes past midnight The specific reading occurring at 32 minutes past the hour is to be sentto the GOES transmitter ADD Shaft Encoder Acquisition m Priority of k 1 47 6 as Shaft Encoder Channel LSBit 0 PCO 1 PC1
219. ut internal modem analog section keypad display and the RS 485 interface The analog section requires three calibration factors They are listed as the and 5 volt reference chip outputs and the temperature offset If the unit does not contain an analog section these number should be 5 0000 5 000 and 20 0 degrees The unit serial number is listed last The serial number is important for maintaining service records on each individual unit The display shows all of the following information VEDAS II INFORMATION VEDAS II Was Reset On 1998 12 31 At 08 30 15 VEDAS II Was Last Initialized On 1998 12 31 At 08 30 15 Program Parameters Last Archived On 1998 12 31 At 08 30 15 Archive Memory Will Be Full On 1999 07 16 0 Seconds Were Added To The RTC Clock Since 1998 12 31 At 08 30 15 0 000012 Seconds Will Be Added To the RTC At Midnight Program Parameter Checksums Calculated SF4A Current SRAM gt 5F4A Archived FLASH gt 5F4A 12 Volt Switches gt Installed Internal Modem Not Installed Analog Section Installed Display Keypad Installed RS485 Interface Not Installed Current 5 Volt Reference Chip Output Voltage gt 4 9948 or 4 9983 5 Volt Reference Chip Output At 25 00 Deg C 4 9949 or 4 9984 Serial Number 980100 5 4 Other Diagnostic Functions Of The VEDAS II 5 4 1 Diagnostic Task The diagnostic task performs the following diagnostic checks a system parameter
220. ut task gathers and formats all data to be transmitted and sends it to the GOES transmitter for transmission The programmer should be aware that the data gathering process starts one 1 minute before the scheduled time of transmission In other words all acquisitions with data to be transmitted should be completed before the data gather process begins Acquisitions that finish after the data gathering process willbe queued for the next transmission slot 4 2 3 Midnight Violations To increase the reliability of the Vedas II system it has been designed to re generate itselfat midnight local time The regeneration process will at midnight cancel any acquisition task in process and regenerate the task time table for the new day The programmer must be aware that if an acquisition process transverses midnight the acquisition will be terminated and the data lost It is up to the programmer to insure that all acquisition procedures are finished before midnight occurs 4 2 4 Hardware Contentions For those instances where two or more acquisitions require the same piece of Vedas II hardware the hard ware is allocated on a time based priority system The first acquisition scheduled will use the hardware until it is finished The subsequent requests for hardware are then run If a task requests use of hardware that is allocated it is queued and waits until the hardware is free If two acquisitions have the same time then the one with the lower priority numbe
221. ve Interval 01 00 gt 24 00 Attach Time Stamp To Output Archives lt Y gt gt Modem Sends Output Archives Y Formula Number 0 43 31 gt Calibration Gain lt 1 000000000 gt gt Calibration Offset lt 0 000000000 gt gt Alarm Limit 0 None or Limit After lt gt or fstart stop 0 gt USER S MANUAL VEDAS II ACQUISITION EXAMPLES 13 9 13 5 LINKED TASK ACQUISITION EXAMPLES 13 5 1 Daily Maximum Minimum Daily minimum and maximums are required for water level measured in a stilling well The daily max and min values are to be transmitted via the GOES transmitter at the end of the day Use the previous VISE SDI 12 acquisition ex ample as the initial task The Start of Acquisition ofthe Linked Acquisition should be at least 5 seconds after the Start of Acquisition ofthe SDI task ADD Linked Acquisition Priority of Task 1 47 gt 20 Data From Task Number gt 10 Task Label gt WL max Start of Acquisition 00 00 00 00 03 00 Interval of Acquisition 01 00 00 gt 24 00 00 Number of Samples 1 18000 1 288 Period of Acquisition 00 02 04 gt 23 55 00 Sample Option 0 Min 1 Max 2 Last 3 Avg 4 Totalize 3 gt 1 Output Data Format 0 Exponential 1 9 Number of Digits 0 gt Archive Acquisition Data Y gt Number of Output Archives 0 99 0 gt 1 First Acquisition For Output Archive 00 00 gt 00 03 Output Archive Interval 01 00 gt 24
222. y to a file on the PCMCIA memory card This works the same as configuration menu selection 10 Send Program Parameters Set the write protect to OFF and insert the Memory card Selectoption 5 and press lt ENTER gt The Vedas II will prompt for a file name The Vedas II will then store the program parameters in a file on the PCMCIA memory card Use lt EXIT gt to return to the Keypad Menu USER S MANUAL VEDAS II KEYPAD AND LCD DISPLAY 6 3 6 2 1 6 KEYPAD Menu Option 6 Setup From PCMCIA No Default This option allows the operator to transfer new program parameters from the PCMCIA memory card to the Vedas II Flash memory This works the same as configuration menu selection 11 Overwrite Program Parameters Set the write protect to OFF and insert the Memory card Select option 6 and press lt ENTER gt The Vedas II will prompt for the name of the input file The V edas II will then store the new program parameters in the Flash Memory Use lt EXIT gt to return to the Keypad Menu 6 2 1 7 KEYPAD Menu Option 7 Format PCMCIA Loco No D efault This option allows the operator to erase the contents of the PCMCIA card and reformat the card for new data storage After reformatting the card will be ready to accept new data files Set the write protect to OFF and insert the Memory card Selectoption 7 and press ENTER The V edas II will ask for confirmation of the request The Vedas II will then erase and refo
223. ystem Data Mode O view a set time frame of past data uploaded from the site archiving old data to a separate file O present the data in a user definable column format O graphically plot the retrieved data from the site with either a fixed or floating scale write operator specified data labels in a comma delimited format for input into databases and spreadsheet programs O write a specified data time span into a Vedas II dump format file O delete a label from the site data file 9 provide on line help to assist the operator in this mode of operation Polling Mode setup a polling schedule whereby at a programmed interval the program will poll the specified site and retrieve the current or archived data since the lastrecorded data element and append it to the site data file System Configuration Mode read a Vedas II detailed task display file and create a configuration file read a configuration file and display the Vedas II task parameters to the operator for viewing editing provide full screen editing capabilities for Vedas II task parameters create a Vedas II program file which when uploaded to the Vedas II via theaccess screen will reprogram the Vedas II with the current program parameters calculate and display the acquisition schedule for a single task or all tasks in the system simulating the acquisition process in the field provides on line help to assist the operator in the programming functions USER S MANUAL VEDAS I

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