Technical Reference Manual
Contents
1. p99001d 91E N0 E0 NO GO HOLINOW uazidvaNrialvinovodu SLNIOd TIY EIO SLNIOd ALVddN S UN0O sjulodeyep 000585511 INIOd UP9 Me A SE D 3 5 ONLA jujoderep 199 09 vi D SHH UI 5399019 1ueuuno 18103 1oejjoo ejep Z SI 01 9AES H3ZIH vaN 1 1H Od WI K01901Iq SI 01 3 dn0 H3ZIHVaNIT 1 4 sKe dsip Sd vA GBH Noirviavgasn ARTO ONI LHOIVHIS TIE sKe dsip 1 GAIO Jezueeur jezueeur aqel D 1eauj uou ejqej n 1 2 Z ed Jezueour Jozueour Figure 31 Calibrations menu Linearizer 57 Ohmart View Technical Reference Manual IONS HART screen menus and funct Appendix Gauge menu Ohmart View Technical Reference Manual Figure 32 Gauge menu AA QQ INW AA QQ INW 29 jo2. 4 HHH 1499494 1 95 1495 IHVH Sose i uoneorunuuoo y Mog uuo JUGO senunn 591 aBned sol Hun 9euuo9 wa alld JOU Figure 17 Program menu transmitter not connected Ohmart View Technical Reference Manual 44 Appendix HART screen menus and functions Program menu transmitter connected usiueds seDenDue1 us 6u3 59151215 1ues 1498 eH senunn jueuinJisu peoju Mog JOoUUODSIq jueuinajsu SI pe1oeuuoo JojyusueJ nuo Figure 18 Program m
3. d ji nins W Z Z 19497 jueisuoo uo 9un4 GOA Unulxe N pue sbunies Ss19 9 indui suuely 5 SSe20Jd INS p t dnies Figure 20 Initial factory setup menu 47 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Initial factory setup menu Process parameters Sot KN SASI vu Occ tt jene vul 96 Ad Hoino EEI ueds doo juaung 2 SHH PAD Yo 4 ONT N juejuo Buidueg ISI D jenueuodxg D ueds sseooJg ed 1 sueds p DUS 1 v ezipiepueis Z UJ 6U9 0 Z 1xei HUN L D ed eziprepueis ejdues qeqesn nm 3599044 61005 eziprepueis SS900Jd ueds 1 PUSO siajowesed 5 Z sun
4. 1 Initial calibration Figure 26 Calibrations menu Ohmart View Technical Reference Manual 53 IONS HART screen menus and funct Appendix I Calibration menu Initial calibration AA QQ ININ 89A 9 anje O 4 UBIH ets ae 2 N 8A itt iP Sjuno di siunoo SR Lanea wpa dd quiod uc 19196 noe Met JInsod ZK payesuedwod uou 4 D erep exer itt 9120 uBiu 195 4 4 4 dda SeAL n ufiu sseoo1d 195 peyesueduioo uou D exe ss jurod Ss9901d 195 1949 185 SUO oDneo 1 0 OML Figure 27 Calibration menu lnitial calibration Ohmart View Technical Reference Manual 54 Appendix HART screen menus and functions Calibrations menu Process standardize 1
5. ejnjejeduie Z EUS 1osues 9 JequinN 159 EUS ndo S G JOqUNN pou s y v Jequinw GORA d d genid 1591 xny jeuueuo xny 2 IO _ 105095 SOITA APPR 2 1591 105095 Z 5590014 Z U0 e90 adh abeyon epoul poq 8uueyo pe es 10825 159 vul UO E90 adh AIO IH ed je EES Bel NN abned 129195 Z abned pales 9 uos 2 peoueApy Figure 33 Advanced Functions menu 59 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Advanced functions menu Process Chain SIDO 0 Siunoo xny Jeuueu xny 2 tiki Dunes ezipyepueis BURG KH USE 991N0S HG HE HERE ueg dwog due 96 dE 19497 ul IN SHH EH dE 19497 W HG HE uBiH s uno GE Sjunoo sojqeuea SS920Jd Z ktt ktt ggg tt Peg tt tk s unog pejes 9A
6. 1osues AA GG WW AA QQ IN IW JO INO 3599044 AA GG NW AA QG IWW IEA 108095 AA GG NW AA GO NW eng P89 HNUS AA GG WW AA QQ IN IN Z uuely AA GG NWN AA QQ WW yesoy HUN AA GG NW AA QG WW 191109 N OHd33 AA GG WW AA QQ WIW punoJ eje MpJeH AA GG WW WN eng SG 991105 AA GG WW AA QQ IN IW eng z p epue 5 AA GG WW AA QQ IN IW IE 10sues AA GG WW AA QQ IN IW X000 eeu AA GG NW AA QG IWIW 1dn1109 NOHdH3 10505 AA QQ WW AA QQ WIW 1912209 WV JSOMON SSE4 10sues JO INO 9504 4 5524 SNI S 105095 ON punoj ON xX99u2 NUYS SSeg z adh SSeg ed SEa SN E S MONEO SEO ON eng adi M 991105 SS9901d SJUNDD ejeq ON ON ezipyepueis SSed 1591 due 108095 5524 1591 YOO D EGOK SSeg sng W HSV14 ezipiepueis sseq SnI MOR 105095 5524 snI arga pezibJeue eq AOIZ t doo queuns Z pezibueu3 snyeys ej y 58 Appendix HART screen menus and functions Advanced Functions menu Sjuemiyeoo
7. gt c a 2 E gt i n a O o o o o 2 gt gt 5 ra 9 2 25 lt O aa z gt gt Figure 36 Advanced Functions menu New Hardware 62 Ohmart View Technical Reference Manual IONS HART screen menus and funct Appendix Advanced Functions menu Test mode 63 Figure 37 Advanced Functions menu Test mode D D AIO Ne D AIS D AIS seAL n epoui i591 UXO J M SIUL D PSI 141 seAL g 9 141 seA L E PSI 141 1891 150 vu paz ing vu pa D Ne ESAK o ESAK ESAK ESAK Ol 2000 dool 2000 doo
8. 1 Y H 451 s y 1deooe jue M S9A D SJUNOD elep SIERA sseooJd 195 dwog 2 b 0 D D 4odeA adh D D S unoo 95991 1deooe 0 ESAL D SIUDOO D elep ESA anea peJsep 59044 jag pe 09 dugo BEE n iodeA O LIII i HO D uoneuuns o 4odeA D D HO D adh Z spuooes 4 juejsuoo eui 194 indui ASIRIK Figure 24 Initial factory setup menu Auxiliary input Compensation 51 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Initial factory setup menu View Settings 4 4mA Level 3 20mA Level HH HHH View Settings 2 Minimum Level ZZEE 1 Maximum Level HHH HHS Figure 25 Initial factory setup menu View Settings 52 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Calibrations menu 5 Linearizer 4 Current Loop Calibration Calibrations 3 Data collect diagnostic only Counts 2 Process standardize
9. 22 Ohmart View Technical Reference Manual Using the test mode Example Transferring a configuration file An example of a practical application of Ohmart View software follows e Download a configuration file from transmitter A e Open and edit the file in test mode e Upload the configuration file to transmitter B Steps 1 through 3 explain how to transfer a configuration file Step 1 Downloading configuration from transmitter A Level or density transmitter PC running Ohmart View File saved on PC drive Figure 10 Downloading the configuration from transmitter A to file A CFG Procedure 19 Download configuration from transmitter A 1 Plug the HART modem into a PC serial port 2 Use the cable mini clips to attach across the current loop of transmitter A Test points H1 and H2 at the transmitter gauge electronics provide convenient access 3 Start Ohmart View software by typing OHMVIEW at the C OHMVIEW prompt Windows 95 or Windows 98 users should select the Run command on the Start button 4 From the Communications menu select Connect to Unit The Ohmart View software displays the variable values and parameters for transmitter A 5 From the File menu select Download from Instrument to save transmitter A s configuration data as a file on the PC 6 Save the configuration with a file name such as C OHMVIEW A CFG 7 From the Communications menu select Disconnect from Unit This ends communication with transmitter A
10. HOW 14A v 19497 JOU plouseJu p 1ujodies Z jo 1no sseooJd uO HO yoayo HNUS UO HO Z SAL wy wey YO HO 1dn1109 MORO z onsouBeiq UO HO EI puno UO HO D adim eoinos UO HO D enp z p e pueg UO HO n 9 10sues UO HO D 32019 euin uO HO D idnuoo MENT HO 091109 WOHd33 105095 uO HO n idnuoo dnoi5 feix D 559204 D onsoufbeiq uonounj wy D yoy UU dnjes sseooJgd vu D vu 44 Vw uue v 6ojeuy suue v onsouBeig Z suue v Figure 23 Initial setup menu Alarms Ohmart View Technical Reference Manual 50 Appendix HART screen menus and functions ion t Compensat lary inpu Initial factory setup menu Aux uoneuungs D D D HO D EEE EO peisn py c li dU
11. 7 Atthe Proceed with Linearity Calculation prompt select Yes to proceed The new linearizer table calculates and saves to the transmitter Viewing editing the linearizer table Perform the following procedure to view and edit the linearizer table Procedure 31 View edit the linearizer table 1 From the Main Menu select Calibrations 2 Fromthe Calibrations menu select Linearizer 3 Fromthe Linearizer menu select Linearizer data 4 From the Linearizer data menu select Linearizer table 5 Atthe Downloading the Linearizer Curve Takes Approximately 20 Seconds Do You Wish to Continue prompt select Yes to view the linearizer table Ohmart View Technical Reference Manual 37 Sample functions level applications Calculate calibration After you collect the high and low level data for calibration and after the optional linearizer table data are collected and the linearity is calculated the Ohmart View can make the calibration calculation Procedure 32 Calculate calibration 1 From the HART online communications screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Initial calibration 4 From the Initial calibration menu select Two point calibration 5 From the Two Point calibration menu select Calibrate result 6 The screens display the results of the low calibration and high calibration sensor counts and values for review At this point you can collect new data by repeating
12. New Hardware 62 Advanced Functions menu Test mode 63 Advanced Functions menu Other advanced 64 Advanced Functions menu Select Gauge Type 65 Advanced Functions menu Select Gauge Location 66 Appendix II Default configuration file 67 Index 73 iv Ohmart View Technical Reference Manual Proced Procedure 1 Procedure 2 Procedure 3 Procedure 4 Procedure 5 Procedure 6 Procedure 7 Procedure 8 Procedure 9 Procedure 10 Procedure 11 Procedure 12 Procedure 13 Procedure 14 Procedure 15 Procedure 16 Procedure 17 Procedure 18 Procedure 19 Procedure 20 Procedure 21 Procedure 22 Procedure 23 Procedure 24 Procedure 25 Procedure 26 Procedure 27 Procedure 28 Procedure 29 Procedure 30 Procedure 31 Procedure 32 Procedure 33 Procedure 34 Ohmart View Technical Reference Manual Preface ures Install Ohmart View MS DOS or Windows 3 1 6 Install Ohmart View Windows 95 or Windows 98 6 Start Ohmart View MS DOS or Windows 3 1 7 Start Ohmart View Windows 95 or 98 8 Exit Ohmart View 8 Choose a language 8 Activate functions 10 Set up HART serial communication 11 Connect to transmitter 13 Start monitor 14 Stop monitor 14 Record process data to a file 15 Download configuration data 16 Upload configuration data 18 Start test mode 20 End test mode 20 Open configuration files in test mode 21 Save a configuration file 22 Download configuration from transmitter A 23 Open edit an
13. Other Advanced Number gg 4 Hardware Version 3 Firmware Version Number gag 2 Poll address L 1 Sensor Voltage volts Figure 38 Advanced Functions menu Other advanced 64 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Advanced Functions menu Select Gauge Type 5 o 5 5 ge 5 5 8 8 9g CAUTION Changing gauge type fundamentally changes gauge operation See manual before proceding Figure 39 Advanced Functions menu Select Gauge Type Ohmart View Technical Reference Manual 65 Appendix HART screen menus and functions Advanced Functions menu Select Gauge Location Location Select Gauge Local Remote Select Gauge Location changes gauge operation See manual before proceding CAUTION Changing gauge location fundamentally Figure 40 Advanced Functions menu Select Gauge Location 66 Ohmart View Technical Reference Manual Appendix Il Default configuration file Configuration files cfg are ASCII files that store all the configuration data in a transmitter Each transmitter has a unique set of configuration data which can be downloaded with Ohmart View and saved with a cfg file name Default configuration files for both dens
14. High Date 0 0 Cal Stdz Counts 0 0 Cal Stdz Process 00 00 00 Cal Stdz Date Linearizer Data Points and Curve 0 Number Of Linearizer Data Points Linearizer Type Linearizer Table Values 0 0 Linearizer Point 1 2 57 Linearizer Point 2 5 0 Linearizer Point 3 7 5 Linearizer Point 4 10 0 Linearizer Point 5 12 5 Linearizer Point 6 15 0 Linearizer Point 7 17 5 Linearizer Point 8 20 0 Linearizer Point 9 22 5 Linearizer Point 10 25 0 Linearizer Point 11 27 5 Linearizer Point 112 30 0 Linearizer Point 113 39 5 Linearizer Point 14 35 0 Linearizer Point 15 37 5 Linearizer Point 16 40 0 Linearizer Point 17 42 5 Linearizer Point 18 45 0 Linearizer Point 19 47 5 Linearizer Point 20 50 0 Linearizer Point 21 52 5 Linearizer Point 122 55 0 Linearizer Point 123 57 5 Linearizer Point 24 60 0 Linearizer Point 25 62 5 Linearizer Point 26 65 0 Linearizer Point 27 67 5 Linearizer Point 128 70 0 Linearizer Point 29 2 55 Linearizer Point 30 75 0 Linearizer Point 31 77 5 Linearizer Point 132 80 0 Linearizer Point 33 82 5 Linearizer Point 34 85 0 Linearizer Point 135 87 5 Linearizer Point 136 90 0 Linearizer Point 37 92 5 Linearizer Point 38 95 0 Linearizer Point 39 97 5 Linearizer Point 40 100 0 Linearizer Point 41 Standardize and Standardize Gain Histories READ ONLY 00 00 00 Stdz History Date 1 0 0 Stdz History Counts 1 0 0 Stdz History Proce
15. Span 0 Stdz Type 0 0 Default Stdz 183 0 Stdz Interval Time amp Date 12 09 99 Unit Date 10 25 59 Unit Time Bux Input Info 0 0 Aux Filter Relay Info 0 Relay Function Ohmart View User Manual v3 0 67 Appendix Il Default configuration file 0 Relay Action 1 Relay Status READ ONLY 0 0 Relay Setpoint 0 Analog Alarm Output X Ray Info 0 Threshold 0 Dither Level 0 Cycle Period 0 Dither Time Min Max History 22 0 Min Temp READ ONLY 22 0 Max Temp READ ONLY 108 0 Min Counts READ ONLY 145 0 Max Counts READ ONLY 0 0 Min Aux Counts READ ONLY 0 0 Max Aux Counts READ ONLY 00 00 00 Min Max Reset Date READ ONLY Process Float Values 132 0 Raw Counts READ ONLY 0 0 Aux Raw Counts READ ONLY 40800 0 Counts Low 100 0 Counts High 40700 0 Counts Range READ ONLY 120 Process Low 1 0 Process High SEE Process Span READ ONLY 1 05 Source Decay READ ONLY 137 0 Std Counts READ ONLY 99 909088 Percent Count Range READ ONLY 1 0 Stdz Gain READ ONLY 1 0 Buildup Factor READ ONLY 39 976414 Lin Table Point READ ONLY 4095 0 Sensor Voltage READ ONLY 21 272636 Percent Range READ ONLY 1 0 Measurement Gain 0 ohmLimitSpan READ ONLY 0 ohmBaseValue READ ONLY Calibration Values 0 0 Cal Low Counts 0 0 Cal Low Process 00 00 00 Cal Low Date 0 0 Cal High Counts 0 0 Cal High Process 00 00 00 Cal
16. any changes made in this manner you must download the transmitter data to the PC If you choose the same file name it overwrites the old configuration file Note Not all data that downloads to an ASCII file uploads to a transmitter Only the configuration data that you edit through the HART screens writes to a connected transmitter during an upload routine These are primarily setup variables and calibration data Some of the items that do not upload are e Standardize history e Relay status e Process value 18 Ohmart View Technical Reference Manual Using the test mode The test mode enables operation of the software without a physical connection to a unit Test mode enables you to make edits and save configuration cfg files without updating a connected transmitter that is no changes are sent to or written to a transmitter Test mode simulates connection to a transmitter it behaves as if the computer is connected to a virtual or imaginary transmitter Virtual transmitter PC running Ohmart View Figure 7 Test mode connection to virtual transmitter When the software is in test mode the Unit Tag indicator on the screen displays either of the following e Test Den e TestLev Ohmart View User Manual v3 0 19 Using the test mode Perform the following procedure to start test mode Procedure 15 Start test mode 1 From the Program menu select Communications 2 From the Communications menu select Density G
17. but you can use keyboard commands for all functions and arrow keys for navigation Windows 3 1 users Some communication problems may present themselves if you attempt to run the program from within Windows 3 1 depending on your computer s processor Ohmart recommends running Ohmart View outside of the Windows 3 1 environment Install a DOS mouse driver on your system to use a mouse with Ohmart View Windows 95 and Windows 98 users Ohmart View runs well in Windows 95 and Windows 98 with a Pentium processor Ohmart recommends that when using Windows 95 and Windows 98 launch the Ohmart View program from the task bar s Start button Run command Ohmart View User Manual v3 0 5 Getting started Installing the software To install Ohmart View using DOS or Windows 3 1 Perform the following procedures to install Ohmart View using DOS or Windows 3 1 Procedure 1 Install Ohmart View MS DOS or Windows 3 1 1 The software runs best outside the Windows shell If you are running Windows 3 1 exit Windows from the Program Manager 2 Insert the Ohmart View diskette into the 3 1 2 in drive referred to here as the drive 3 Atthe DOS prompt type A INSTALL and press ENTER 4 The Installation Path box opens The default path that the program files copy into is 5 f you wish to have the installation program copy the files into another existing directory enter the path name at the prompt 6 Click OK or press F4 t
18. digital indicators Use the Recording function to enable the process value and current loop output to write to a data dta file If you turn on recording a dialog box opens prompting you to name the data file You can record data to a file with one of three sample frequencies e Every sample One sample minute One sample hour The frequency at which the data records does not affect the transmitter measurement frequency Options for the monitoring recording control are e Monitor OFF Recording OFF e Monitor ON Recording OFF e Monitor ON Record every sample e Monitor ON Record one sample per minute e Monitor ON Record one sample per hour Operation of the interface Accessing the Program Menu To access the Program Menu functions simply click on the menu with the mouse pointer If you did not install an MS DOS mouse driver use the following keyboard equivalents to access the Program menus Table 5 Program menu functions and keyboard equivalents Key Function ALT F File menu ALT C Communications menu UP ARROW moves up or down within Program Menu items DOWN ARROW ENTER selects menu item Navigation of the display buttons Perform the following procedure to activate the display buttons Procedure 7 Activate functions 1 Click on any of the buttons with the mouse pointer to activate the button 2 Ifyou did not install DOS mouse press TAB repeatedly to cycle through all the display buttons 10 Ohmart
19. e One sample per hour You can open the data file in a spread sheet application for analysis Perform the following procedure to record process data to a file Procedure 12 Record process data to a file 1 Connecta transmitter before collection of measurement data 2 Click on the Monitor control until the indicator displays the option you want to select These options are e Monitor ON Recording Every Sample e Recording One Sample per Minute e Recording One Sample per Hour 3 ASave Chart Data As box opens and prompts you to enter the path and name for the data file You can change both the path and file name but the default storage directory and file extension is CNOHMVIEW dta 4 You can change the sample rate at any time by clicking the Monitor control The data continues to write to the same file until you select Recording OFF Ohmart View Technical Reference Manual 15 Connecting to a transmitter Note The data files can become quite large in the megabytes if data collects over a long time days If you need to collect data over a long time enter a longer data collection interval to keep the data file size down Downloading configurations Configuration data stored in a transmitter can download to the PC where it saves as an ASCII file The default directory path and extension for the file is as follows e CAOHMVIEWXCONFIG e fg You can use this file in the following ways e backup storage for the co
20. standardization 1 Onthe HART Online communication screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Process standardize 4 The Process standardize screen prompts if you want to take data Select Yes 5 timer counts down When it is finished collecting data it displays the default standardize value If this is not the correct value for this standardize you can enter the correct value Ohmart View Technical Reference Manual 41 Sample functions level applications Notes 42 Ohmart View Technical Reference Manual Appendix I HART screen menus and functions The HART screens are menus of functions used to calibrate diagnose and setup the transmitter Once the transmitter is setup and the calibration is complete the transmitter does not need to be connected to the HART modem and PC for normal operation because the 4 20mA output signal comes directly from the transmitter Detailed information concerning setup calibration and diagnostics with the transmitter is found in the transmitter manual The following menus and functions are examples of the Ohmart HART communication screens that interface with the Ohmart level gauge Some of the screens and functions may vary when used with the Ohmart density gauge Ohmart View User Manual v3 0 43 Appendix HART screen menus and functions Program menu transmitter not connected usiueds usibu3
21. 0e 01 one point cal coeff XTRA VARIABLES 01 Address 63A8 Data BYTE 00 Address 60CE Data BYTE 1 0e 00 Address 62F6 Data FLOAT 0640 Address 638A Data WORD Process Chain Snapshot 22 0 Deg C Sensor Temperature 133 Sensor Counts 133 Temperature Compensation Counts 132 Raw Counts 110 Sum Counts 110 Source Decay Counts 134 Standardize Counts 99 9 Percent Count Range 3 6648 Percent Proces Span 2 8981 Process 3 6124 Final Process 1 0000 Temperature Compensation Gain Term 0 0000 Deg C Process Temperature 0 Compensation Type 0 Comp Units 0 0 PNOOOH 0 Temp Comp Reference Temperature 0 00 Process Temp Comp Coeff 0 0 0e 00 Process Temp Comp Coeff 1 70 Ohmart View Technical Reference Manual Appendix 1 Default configuration file 0 00 Process Temp Comp Coeff 2 0 00 Process Temp Comp Coeff 3 0e 00 Comp Coeff A 0 00 Comp Coeff 0 00 Comp Coeff C 0e 03 Comp Coeff D 0 00 Comp Coeff ba 0 Sensor Location 6000 0 Analog Input Cal Low Counts 30250 0 Analog Input Cal High Counts 0001 Days unit has been powered on Ohmart View version 2 00 0 Figure 41 Example of default configuration file Ohmart View Technical Reference Manual 71 Index Advanced Functions 59 Alarms 50 Auxiliary input Compensation 51 Calibrations 53 Communication Setup 11 configuration files 16 default 67 Connect 3 Connect to Unit
22. 13 Current Loop Calibration 56 Data collect diagnostic only 55 density applications 27 Density Gauge Test Mode 20 Digital Indicators 9 Download from Instrument 16 Download from Test Instrument 22 Function Buttons 9 gain 32 Gauge 58 HART equipment purchasing 3 HART features 46 HART modem 2 HART protocol 2 HART screens 43 HART Screens Window 9 Help messages 11 Initial calibration 54 Initial factory setup 47 installing Ohmart View 6 Languages 8 level applications 31 Level Gauge Test Mode 20 Linearizer 57 Ohmart View User Manual v3 0 linearizer curve 39 linearizer table 32 33 Minimum Maximum History 61 Monitor 10 scales 14 Monitoring Recording Control 10 Navigation Buttons 9 New Hardware 62 Ohmart Field Service 1 email 17 Other Advanced 64 Process Chain 60 Process parameters 48 Process standardize 55 Program Menu 9 Program with transmitter connected 45 Program with transmitter not connected 44 Quick Connect Disconnect 9 Relay Status Indicator 9 Select Gauge Location 66 Select Gauge Type 65 System parameters 49 test mode 19 Test mode 63 Unit Tag Indicator 9 Upload to Instrument 18 Upload to Test Instrument 21 Utilities 8 View Settings 52 Windows 3 1 5 Windows 95 5 Windows 98 5 73 Index Notes 74 Ohmart View Technical Reference Manual VEDA VEGA Americas Inc 4170 Rosslyn Drive Cincinnati Ohio 45209 USA Phone 1 513 272 0131 Fax 1
23. 513 272 0133 E mail americas vega com www vega americas com All statements concerning scope of delivery application practical use and operating conditions of the sensors and processing systems correspond to the information available at the time of printing O VEGA Americas Inc Cincinnati Ohio USA 2011 Subject to change without prior notice 31444 US 110706
24. 8 Physically disconnect the cable min clips from transmitter A Ohmart View Technical Reference Manual 23 Using the test mode Step 2 Opening editing and saving the configuration using test mode This step illustrates how to edit a configuration file off line that can upload later to a transmitter Note Alternatively you can upload the file to transmitter B without editing it in test mode and you can make any changes while there is a connection to transmitter B 24 File saved on PC drive PC running Ohmart View Figure 11 Opening file A CFG in test mode Procedure 20 Open edit and save the configuration using test mode Start Ohmart View software by typing OHMVIEW at the C OHMVIEW prompt Windows 95 or Windows 98 users should select the Run command on the Start button From the Communications menu select Density Test Mode or Level Test Mode From the File menu select Upload to Test Instrument In the Upload Configuration to Unit box select or type in C OHMVIEW A CFG to open the configuration file for transmitter A Ohmart View loads the configuration values stored in the file A CFG From the File menu select Download from Test Instrument to save the file as a different name to prevent overwriting the data on A CFG When the Download Configuration from Unit box opens type in C OHMVIEW B CFG as the file name Use Ohmart View to make the necessary edits to the configuration file so it properly configures for tran
25. 91 euH 19497 payesuadwooun 19497 ueds SS3901d 1 21 1u69J8g S UNOO9 ezipyepuels sjunog Aeoaq sjunoo peisn py S UNO9 ueduioo Sjuno 2105095 e1nje1eduje 10sueg jauueyo ssaooJd Figure 34 Advanced Functions menu Process Chain Ohmart View Technical Reference Manual 60 Appendix HART screen menus and functions Advanced Functions menu Minimum Maximum History AA QG WIN gH slun 195 EEI OO wnwixe IN E Sunog Arejixny sjunoo sunog Josueg sjunoo S UNO9 Josueg IN wun wtu D Figure 35 Advanced Functions menu Minimum Maximum History 61 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Advanced Functions menu New Hardware cci E o Uv zo og 5 o cz 8 gt z 5 rN os ga e be P gt a amp T D o 8 2 vo a o o iz 8 2 gt oo N c gt S
26. AD ONLY Diagnostic Group Settings 0 Diagnostic Group Setting 1 0 Diagnostic Group Setting 2 Diagnostic Histories READ ONLY Diag history RAM corrupt 00 00 00 Newest 00 00 00 Oldest Diag history Sensor EEPROM corrupt 00 00 00 Newest 00 00 00 Oldest Diag history FLASH EPROM Memory corrupt 00 00 00 Newest 00 00 00 Oldest Diag history Real Time Clock Test fail 00 00 00 Newest 00 00 00 Oldest Diag history Sensor Temperature fail 00 00 00 Newest 00 00 00 Oldest Diag history Standardize Due 00 00 00 Newest 00 00 00 Oldest Diag history Source Wipe Due 00 00 00 Newest 00 00 00 Oldest Diag history New Hardware Found 00 00 00 Newest 00 00 00 Oldest Diag history CPU EEPROM fail 00 00 00 Newest 00 00 00 Oldest Diag history Unit Reset 00 00 00 Newest 00 00 00 Oldest Diag history Alarm Type 2 00 00 00 Newest 00 00 00 Oldest Diag history Shutter Check Due 00 00 00 Newest 00 00 00 Oldest Diag history Sensor fail 00 00 00 Newest 00 00 00 Oldest Diag history Process Out Of Range 00 00 00 Newest 00 00 00 Oldest Diag history Sensor Voltage Out Of Spec 00 00 00 Newest 00 00 00 Oldest Unit Specific Info READ ONLY 0 Temp Comp Coeff 0 0 Temp Comp Coeff 1 0 Temp Comp Coeff 2 0 Temp Comp Coeff 3 00 Firware Version 00 Hardware Version PDEBPAQE CPU Serial Number PDEBPAQE Sensor Serial Number One Point Cal Reference 5
27. History History History History History History History History History History History History History History History History Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Gain History Date Gain History Gain Process 2 Date 3 Counts 3 Process 3 Date 4 Counts 4 Process 4 Date 5 Counts 5 Process 5 Date 6 Counts 6 Process 6 Date 7 Counts 7 Process 7 Date 8 Counts 8 Process 8 Date 9 Counts 9 Process 9 Date 10 Counts 10 Process 10 Date 11 Counts 11 Process 11 Date 12 Counts 12 Process 12 Date 13 Counts 13 Process 13 Date 14 Counts 14 Process 14 Date 15 Counts 15 Process 15 Date 16 Counts 16 Process 16 Date 17 Counts 17 Process 17 Date 18 Counts 18 Process 18 Date 19 Counts 19 Process 19 Date 20 Counts 20 Process 20 Alarm Status 10 10 Appendix 1 Default configuration file Ohmart View Technical Reference Manual 69 Appendix Il Default configuration file 0 Diagnostic Alarm Status Block 0 READ ONLY 0 Diagnostic Alarm Status Block 1 READ ONLY 0 Diagnostic Alarm Status Block 2 RE
28. Ohmart View user interface 9 Connecting to a transmitter 13 Download configuration data transmitter connected 16 Uploading configuration data 17 Test mode connection to virtual transmitter 19 Opening configuration files in test mode 21 Saving configuration files in test mode 22 Downloading the configuration from transmitter A to file A CFG 23 Opening file A CFG in test mode 24 Saving the file as B CFG in test mode 25 Uploading the file B CFG to transmitter B 25 View edit datapoints screen 36 Linearizer table 40 Process level and radiation field values window 40 Program menu transmitter not connected 44 Program menu transmitter connected 45 HART screen features 46 Initial factory setup menu 47 Initial factory setup menu Process parameters 48 Initial factory setup menu System parameters 49 Initial setup menu Alarms 50 Initial factory setup menu Auxiliary input Compensation 51 Initial factory setup menu View Settings 52 Calibrations menu 53 Calibration menu lnitial calibration 54 Calibrations menu Process standardize 55 Calibrations menu Data collect diagnostic only 55 Calibrations menu Current Loop Calibration 56 Calibrations menu Linearizer 57 Gauge menu 58 Advanced Functions menu 59 Advanced Functions menu Process Chain 60 Advanced Functions menu Minimum Maximum History 61 Advanced Functions menu New Hardware 62 Advanced Functions menu Test mode 63 Advanced F
29. Technical Reference Manual OHMART VIEW HART Communication Software for use with the OHMART Level and Density Transmitters LD Document ID 31444 Hu 2 000 ESS 27 000 BU 19 350 pee zx Ss ai Ino 000 100 000 0 000 40 000 _ Bo 000 0 000 eem Pi i C uE DU TN Tanas Communication m Preface Revision history Table 1 Revision history Version Description Date 1 0 Initial release Formerly 237855 051201 14 Corrected website address for Ohmart VEGA 061211 Corrected copyright and registered marks Copyright 1997 2006 Ohmart VEGA Corporation Cincinnati Ohio USA All rights reserved This document contains proprietary information of Ohmart VEGA Corporation It shall not be reproduced in whole or in part in any form without the expressed written permission of Ohmart VEGA Corporation The material in this document is provided for informational purposes and is subject to change without notice HART is a registered trademark of The HART Communication Foundation MS DOS is a registered trademark Windows 3 1 Windows 95 Windows 98 Windows 2000 Windows NT are registered trademarks of Microsoft Corporation Ohmart VEGA Corporation 4241 Allendorf Drive Cincinnati Ohio 45209 1599 USA Website www ohmartvega com Voice 513 272 0131 FAX 513 272 0133 Field Service E mail fieldservice ohmartvega com Manual part number 31444
30. US ii Ohmart View Technical Reference Manual Preface Contents Overview 1 Software description 1 Scope of this manual 1 If you need help 1 System requirements 2 About HART communication 2 HART equipment 3 When a transmitter is connected 3 Getting started 5 Operating system considerations 5 DOS users 5 Windows 3 1 users 5 Windows 95 and Windows 98 users 5 Installing the software 6 To install Ohmart View using DOS or Windows 3 1 6 To install Ohmart View using Windows 95 or Windows 98 6 Installed files and subdirectories 6 Starting Ohmart View 7 To run Ohmart View using DOS or Windows 3 1 7 To run Ohmart View using Windows 95 or Windows 98 8 Exiting Ohmart View 8 Choosing a language 8 The Ohmart View interface 9 Operation of the interface 10 Accessing the Program Menu 10 Navigation of the display buttons 10 Navigation within the HART Screens Window 11 Help windows within the HART Screens Window 11 Setting up the HART serial communication 1 1 Connecting to a transmitter 13 Using the monitor 14 Monitor scales 14 Recording process data to a file 15 Downloading configurations 16 E mailing files to Ohmart 17 Uploading configurations 17 Using the test mode 19 Opening configuration files in test mode 21 Saving configuration files in test mode 22 Example Transferring a configuration file 23 Step 1 Downloading configuration from transmitter A 23 Ohmart View Technical Reference Manual iii Preface Step 2 Opening
31. View Technical Reference Manual Getting started 3 When the desired button is highlighted with a box press the SPACE BAR or ENTER to activate the function Navigation within the HART Screens Window Use the buttons below the HART Screens Window to navigate within the HART screens and the menu structure Table 6 Navigation buttons and functions Button name Function up F6 moves cursor to previous line within a menu screen down F9 moves cursor to next line within a menu screen lt F8 moves to previous menu F10 moves to next menu or data entry window Press the number key that matches the line number to select and activate the function This provides a quick way to move through the menu structure A new feature in Ohmart View 2 00 1 and higher enables you to select the menu item by positioning the mouse cursor on the menu item text and pressing the left mouse button Note Refer to Appendix I for detailed charts on the organization of the Ohmart View HART communication screens Help windows within the HART Screens Window Most screen lines have an associated Help message On menu screens the Help message describes the function of the selected line On data entry screens the Help message describes the definition of the parameter to enter and hints for usage If a Help message is available for a selected item the word HELP is visible above the F1 indicator To access a help message press the F1 key or click the F1
32. Yes 2 No 1 Yes 2 No Process standardize Take data a a a a Set process to desired value Average Counts Input non compensated value 96 Edit counts Gauge 4t st cnts Calc Figure 28 Calibrations menu Process standardize Calibrations menu Data collect diagnostic only D gt o c 5 a O gt 5 8 M x C at 3 85 S 5 gt 2 i it O N 2 BS o c o ag 5 5 3 oO O z ba E B Figure 29 Calibrations menu Data collect diagnostic only Ohmart View Technical Reference Manual 55 Appendix HART screen menus and functions Calibrations menu Current Loop Calibration Tau Ec o9 o0 2 O o A 3 E 5 3 3 oc Bide oo gt 3 O a gt 2 Q c a oo 2 59 gt 2 E d z 2 bed 5 SS o oo N o o 2 Q ee E g 5 5 30 o 6 Bro ga O or gt c da c _ 5 o iL Figure 30 Calibrations menu Current Loop Calibration 56 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Inearizer Calibrations menu L D se
33. ardization M Have the standardization material of known density ready to measure Refer to the above guidelines for the appropriate choice E Have actual density or percent solids value from the lab ready to enter Complete the following procedure to perform a periodic standardization Procedure 25 Periodic standardization 1 From the HART communications Online screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Process standardize 4 The Process standardize screen prompts if you want to take data Select Enter or press F4 to take data 5 timer counts down When it is finished collecting data it displays the default standardize value If this is not the correct value for this standardize you can enter the correct value 30 Ohmart View Technical Reference Manual Sample functions level applications This section shows the requirements for a typical initial calibration and periodic standardization re zero of the following Ohmart model transmitters using Ohmart View software LSTH LJTH LNTH level FiberFlex LFXG H Refer to the Level Transmitter or FiberFlex LFXG H Manuals for a detailed discussion on calibration techniques Calibration Set low level Setting the low level for calibration requires measurement with the level transmitter of the low process sample and entry of the actual level This sets the zero of the calibration curve Perform this procedure eit
34. ator on the Screen e _ If it is not in test mode select either Density Gauge Test Mode or Level Gauge Test Mode from the Communications menu e This initializes all variables and parameters to the default values for either density or level applications 2 Fromthe File menu select Upload to Test Instrument 3 Inthe Upload Configuration to Unit box select or type in the path and name of the configuration cfg file you want to open e Once the file opens the variables and parameters change to the values in the configuration file Ohmart View Technical Reference Manual 21 Using the test mode Saving configuration files in test mode In test mode Ohmart View can save the currently open configuration file to a PC drive PC running Ohmart View File saved on PC drive Figure 9 Saving configuration files in test mode Perform the following procedure to save a configuration file Procedure 18 Save a configuration file 1 Verify that the software is in test mode Checkthe mode indicator on the display screen If it is not in test mode select either Density Gauge Test Mode or Level Gauge Test Mode from the Communications menu e All variables and parameters initialize to the default values for either density or level applications 2 Fromthe File menu select Download from Test Instrument 3 Inthe Download Configuration from Unit box select or type in the path and name of the configuration cfg file you want to save
35. auge Test Mode or Level Gauge Test Mode e Density Gauge Test Mode loads default variable values for a density gauge application Level Gauge Test Mode loads default values for a level application 3 Check the unit tag indicator to verify test mode is active When the system is in test mode the tag indicator reads either Test Den or Test Lev Changes made while in test mode can save to a configuration file or you can open already saved configuration files on the disk See the procedures that follow Perform the following procedure to end test mode Procedure 16 End test mode 1 Fromthe Program menu select Communications 2 Fromthe Communications menu select Disconnect from Unit 20 Ohmart View Technical Reference Manual Using the test mode Opening configuration files in test mode Use Ohmart View software in test mode to view or edit configuration files This function is useful for modification or creation of configuration files that can upload later to a transmitter K File saved on PC drive PC running Ohmart View Figure 8 Opening configuration files in test mode Once the file opens it is available to edit in Ohmart View You can save the file with the same or a new file name Refer to Saving configuration files Perform the following procedure to open a configuration file Procedure 17 Open configuration files in test mode 1 Verify that the Ohmart View is in test mode by checking the Unit Tag indic
36. button on the screen The help message window opens To close the help message window press the F1 key again or click Exit Setting up the HART serial communication The software must know which serial port the HART modem is plugged into This port is now your default communication port Perform the following procedures to set up the communication Procedure 8 Set up HART serial communication 1 From the Utilities menu select Communication Setup 2 Inthe HART Connection box select Comm Port 1 Comm Port 2 Comm Port 3 or Comm Port 4 as appropriate 3 Click OK or press F4 Ohmart View Technical Reference Manual 11 Getting started 12 Ohmart View Technical Reference Manual Connecting to a transmitter Connecting to a transmitter enables Ohmart View to read and write data and display process information to the user Level or density transmitter PC running Ohmart View Figure 4 Connecting to a transmitter Perform the following procedure to connect to a transmitter Procedure 9 Connect to transmitter 1 Physically interface the transmitter to the PC through the HART modem e Plug the HART modem into one of the PC s serial ports e Attach the cable clips anywhere across the current loop At the transmitter electronics test points H1 and H2 are convenient 2 Fromthe Utilities menu select Communication Setup menu Verify that the correct serial COM port is selected 3 From the Communication menu select Connect to Un
37. chnical Reference Manual Sample functions density applications This section explains the requirements for a typical initial calibration and periodic standardization re zero of an Ohmart model DSTH density transmitter using the Ohmart View software Refer to the Density Manual for detailed information on calibration techniques Calibration Set low density zero Setting the low density for calibration requires the following e measurement with the DSTH of the low process sample e entry of the actual density This sets the zero of the calibration curve Perform this procedure either before or after setting the high density but only after you correctly enter the process span in the Initial Setup screen Complete the following checklist before starting the cal low data collection Fill vessel or pipe with low process Connect to the unit to be calibrated M Have actual density or percent solids value for this sample from lab ready to enter Make sure the data collection time is set long enough for an accurate sample See the Initial factory setup appendix in the DSTH Manual for details Ohmart View User Manual v3 0 27 Sample functions density applications Perform the following procedure to set the low density for calibration Procedure 22 Set low density 1 From the HART communications Online screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Initial calibra
38. d save the configuration using test mode 24 Upload file to transmitter B 25 Set low density 28 Set high density 29 Calculate calibration 29 Periodic standardization 30 Set low level for calibration 32 Set high level for calibration 33 Collecting linearizer table data 34 Viewing or editing datapoints 35 Calculate the linearity 37 View edit the linearizer table 37 Calculate calibration 38 Alternate linearizer data collection method 39 Perform a standardization 41 Preface Tables Table 1 Revision history ii Table 2 User Manuals for gauge and application specific information 1 Table 3 Ohmart HART communication part description and numbers 3 Table 4 Installed files and subdirectories 7 Table 5 Program menu functions and keyboard equivalents 10 Table 6 Navigation buttons and functions 11 vi Ohmart View Technical Reference Manual Preface Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 Figure 40 Figure 41 Ohmart HART connection across DCS current loop 2 HART connection bench setup 3
39. earizer menu select Linearizer data 5 From the Linearizer data menu select Linear data collect 6 Fromthe Linear data collect menu select Collect datapoint 7 Enter the actual known level of process when prompted 8 Wait for the timer to count down 9 Select Accept or Reject when the results display 10 Repeat procedure for all available samples 34 Ohmart View Technical Reference Manual Sample functions level applications Viewing or editing datapoints optional You can view or edit datapoints at any time during or after data collection You can edit the level value and sensor counts as necessary You may use this procedure to manually add the sensor counts and levels at the low calibration and high calibration vessel conditions Note Use extreme care when you edit linearizer datapoints Altering the values can greatly affect the gauge s calibration Perform the following procedure to view or edit datapoints Procedure 29 Viewing or editing datapoints 1 From the Main Menu select Calibrations 2 From the Calibrations menu select Linearizer 3 From the Linearizer menu select Linearizer data 4 From the Linearizer data menu select Linear data collect 5 From the Linear data collect menu select View edit datapoints 6 The View edit datapoints screen displays Ohmart View displays a table with the level and counts for each datapoint 7 To edit the datapoints click on the value s you want to be change Type in the new
40. editing and saving the configuration using test mode 24 Step 3 Uploading the file to transmitter B 25 Sample functions density applications 27 Calibration 27 Set low density zero 27 Set high density 28 Calculate calibration 29 Periodic standardization 30 Sample functions level applications 31 Calibration 31 Set low level 31 Set high level 32 Collecting linearizer table data 33 Viewing or editing datapoints optional 35 Calculating the linearity 36 Viewing editing the linearizer table 37 Calculate calibration 38 Alternate linearizer data collection method with empty vessel 39 Periodic standardization 41 Appendix I HART screen menus and functions 43 Program menu transmitter not connected 44 Program menu transmitter connected 45 HART screen Features 46 Initial factory setup menu 47 Initial factory setup menu Process parameters 48 Initial factory setup menu System parameters 49 Initial factory setup menu Alarms 50 Initial factory setup menu Auxiliary input Compensation 51 Initial factory setup menu View Settings 52 Calibrations menu 53 Calibration menu lnitial calibration 54 Calibrations menu Process standardize 55 Calibrations menu Data collect diagnostic only 55 Calibrations menu Current Loop Calibration 56 Calibrations menu Linearizer 57 Gauge menu 58 Advanced Functions menu 59 Advanced functions menu Process Chain 60 Advanced Functions menu Minimum Maximum History 61 Advanced Functions menu
41. enu transmitter connected 45 Ohmart View Technical Reference Manual Appendix HART screen menus and functions HART screen Features Heyg 1noH Jed eu Q NO 201100 e nu Jed ajdwes eu NO 101Iu0O W p1098H NO 1 W 330 NO W 330 440 101100 W HO uO suoljoun4 v snes dnies 10 98 enu HH EE HH indino uang 2 19497 s usuel 59 U JS JHVH Figure 19 HART screen features Ohmart View Technical Reference Manual 46 Appendix HART screen menus and functions Initial factory setup menu uoneuuojul ueis s 9 19497 v JequinN sueds 19497 anog uei d 19497 Gertatze
42. fault configuration file for level applications density cfg default configuration file for density applications Starting Ohmart View To run Ohmart View using DOS or Windows 3 1 Perform the following procedure to run Ohmart View using DOS or Windows 3 1 Procedure 3 Start Ohmart View MS DOS or Windows 3 1 1 Verify that the PC is not running Windows If necessary exit Windows through the Program Manager 2 Make the c ohmview directory the current directory Type cd c ohmview at the DOS prompt and press ENTER 3 Atthe c ohmview prompt type ohmview and press ENTER The Ohmart View program starts Ohmart View Technical Reference Manual 7 Getting started To run Ohmart View using Windows 95 or Windows 98 To run Ohmart View using Windows 95 or Windows 98 perform the following procedure Procedure 4 Start Ohmart View Windows 95 or 98 1 Onthe taskbar click the Start button and then click Run 2 In the Open box type c ohmview ohmview exe and then click OK 3 The Ohmart View program starts This program is full screen and cannot be minimized Exiting Ohmart View To exit Ohmart view perform the following procedure Procedure 5 Exit Ohmart View 1 Inthe Ohmart View program menu click on File 2 Fromthe File menu select Exit 3 The Ohmart View program quits Choosing a language You can display Ohmart View menus and screens in one of the following languages e English e Spanish The configuration files and da
43. g Ohmart View Figure 1 HART connection across DCS current loop 2 Ohmart View User Manual v3 0 Overview 250 1000ohm Transmitter load resistor terminds 889 _ HART modem Transmitter PS 232 cable test points EN PC running Ohmart View Figure 2 HART connection bench setup HART equipment You can buy HART communication equipment from Ohmart by calling the Parts and Repairs department at 513 272 0131 or through Ohmart representatives outside the U S Table 3 Ohmart HART communication part description and numbers Part description Part number P N HART modem kit includes all below 237857 HART modem 236999 Ohmart View software 237856 When a transmitter is connected An Ohmart HART transmitter contains on board memory that stores the following information necessary for gauge operation e Configuration e Calibration e History e Other information When the Ohmart View software connects to a transmitter through the Connect function on the Communication menu you can view all the information from the transmitter in the various HART screens Ohmart View User Manual v3 0 3 Overview Notes 4 Ohmart View User Manual v3 0 Getting started Operating system considerations Ohmart View is a DOS application due to the communication standards set by the HART protocol DOS users Ohmart View design is for MS DOS versions 6 0 or greater It is easier to use a mouse with a DOS mouse driver
44. he output measurement from the transmitter DAC it is not a calculated value The data displays with the line colors as follows e process variable blue e 4 20mA output current loop red If they do not closely coincide the calibration for the current loop may not be correct If the process variable and current loop output are inverted the current loop values are set as follows e 4mA corresponds to the high process value e 20mA corresponds to the low process value When the two coincide the blue line obscures the red line The connected transmitters settings 4 mA Level and 20 mA Level or 4mA Density and 20 mA Density determine the lower and upper scale of the monitor Therefore it displays only the data within the current loop span and not the process span Refer to the Density or Level Manuals for details on the current loop span and process span settings 14 Ohmart View Technical Reference Manual Connecting to a transmitter Note Calibration of the current loop to a certified ammeter or the DCS normally occurs at installation of the transmitter For details refer to the Density or Level Transmitter Manuals Recording process data to a file Use the recording function to write data that displays on the monitor to an ASCII text file The file records the time and values of the process variable and milliamp output You can choose the following recording options e Record the data every sample e One sample per minute
45. her before or after setting the high level but only after correctly entering the process span in the Initial Setup screen Complete the following checklist before starting the low level calibration data collection Fill vessel its low level Connect to the unit to be calibrated Have actual level value ready to enter Make sure the data collection time is set long enough for an accurate sample See the Initial setup appendix in the Level Transmitter Manual for details Ohmart View User Manual v3 0 31 Sample functions level applications Perform the following procedure to set the low level for calibration Procedure 26 Set low level for calibration 1 From the HART communications Online screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Initial calibration 4 Fromthe Initial Calibration menu select Two Point Calibration 5 From the Two point calibration menu select Set Calibration low level 6 Atthe Set Process to Low Calibration Point Take data prompt select Yes The on screen counter displays the time left 7 Atthe Input Non compensated Value prompt enter the actual level in engineering units Make note of the sensor counts and the level value Note While the vessel is empty we recommend collecting a linearizer data point so you do not have to empty the vessel again See Collecting linearizer table data for instructions Set high level Se
46. it The program scans the current loop for a connection to a transmitter unit When it finds a unit the Communications Status indicator displays 10096 e Onthe HART screens the Ohmart View program displays the configuration data stored in the transmitter s memory Once you connect to the transmitter any changes you make in Ohmart View such as variable values and setup parameters immediately write to the transmitter Ohmart View User Manual v3 0 13 Connecting to a transmitter Note Changes made to parameters or variable values in Ohmart View immediately write to the transmitter In this respect Ohmart View is significantly different from a HART Communicator or other hand held terminals changes you make with hand held communicator do not write to the transmitter until you press SEND F2 Using the monitor The monitor provides a graphical view of the process variable and milliamp output vs time on the Ohmart View screen The data writes to a file that you can use for further analysis Perform the following procedure to start the monitor Procedure 10 Start monitor 1 Connect to a transmitter or start test mode 2 Click on Monitor control until the indicator displays Monitor ON Recording OFF Perform the following procedure to stop the monitor Procedure 11 Stop monitor e Click on the Monitor control until the indicator displays Monitor OFF Recording OFF Monitor scales The current loop display reflects t
47. ity and level applications are included on the Ohmart View diskette and are copied into the OHMVIEW directory during the software installation Ohmart View Configuration File ver 1 3 1 3 DD Specific Info 5 Number of Preambles READ ONLY 5 Universal Revision READ ONLY 1 Field Device Revision READ ONLY ds Software Revision READ ONLY 1 Hardware Revision READ ONLY 1 Unit Type Ohmart Distributor READ ONLY Ohmart Manufacturer READ ONLY OHMART Model READ ONLY 102384 Device ID READ ONLY BELL 202 current Physical Signal Core READ ONLY Message DEFAULT Tag Descriptor 0 Final Assembly Number 0 Write Protect READ ONLY 0 Poll Address Span and output info 0 0 Low Process Span 100 0 High Process Span 0 0 4mA Span 100 0 20mA Span 9 UNITS gt lt Process Units Code Source Info 0 Source Type 8771 0 Next Wipe Due READ ONLY 1095 0 Wipe Interval 7859 0 Next Shutter Check Due READ ONLY 183 0 Shutter Check Interval 71 Filter Info 0 Filter Type 0 0 Fast Cutoff 30 0 Damping Density Guage Info de Carrier Density 4 0 Solids Density 0 Density Type 47 Linear Units 0 0 Vessel Inner Diameter Custom Units Text amp Conversion Factor Custom Units Text 1 0 Conversion Factor Cal Parameters 60 0 Data Collect Interval 25 0 Warn Percent Cal
48. l 0 jue M 0 jue 0 jue M jue M D D Ne D ESAN ESAN Lep Lep elep elep Meu pues 159 fejo1 Meu pues 159 PeF Meu pues 159 PeF Meu pues 159 PeF ik ik HH HH einje1eduie Indu sjunoo Sjunoo mou uaino ynduj n fejas onz o o onz o saat D eziDjeuo oq sex D SAN D D amp e1nyeeduie suno jsnipy suno uano ysnipy o aingeiedue s unoo xny 44 yw 44 Haur 189 jse EO ed kejau oziDoug HOU PST EO pow pei OIS xny Josueg JUS SIE 3591 t 59 xny 1591 10sues Z 3591 35 1 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Advanced Functions menu Other advanced 7 View Temperature Coefficients 1 TO Coefficient 1 0e 00 2 T1 Coefficient 0 0e 00 3 T2 Coefficient 0 0e 00 4 T3 Coefficient 0 0e 00 6 Sensor Serial Number Attttttt 5 CPU Serial Number A 4
49. m the Calibrations menu select Linearizer From the Linearizer menu select Linearizer data From the Linearizer data menu select Linearizer table At the Downloading the Linearizer Curve Will Take Approximately 20 Seconds Do You Wish to Continue prompt select Yes to view the linearizer table When the linearizer table displays see Figure 15 Linearizer table click Use Radiation Field Values or press F2 Ohmart View Technical Reference Manual 39 Sample functions level applications NN bd x 19 357 13 810 7 692 Ir 7 604 15 253 22 981 Figure 15 Linearizer table 9 window opens to enable entry of the process levels and corresponding radiation field values Enter all the data and click Calculate or press F4 Process Level Radiation Field Ecce nr Hr CANCEL F3 CALCULATE F4 Figure 16 Process level and radiation field values window Note You must enter complete information for process levels and corresponding radiation fields Ohmart View calculates a new linearizer based on the field readings entered The new linearizer replaces the old one 40 Ohmart View Technical Reference Manual Sample functions level applications Periodic standardization Complete the following checklist before performing standardization E Have the level set to empty or 0 Complete the following procedure to perform a standardization Procedure 34 Perform a
50. nfiguration data e upload to other transmitters e troubleshooting Level or density PC running Ohmart File saved on PC Figure 5 Download configuration data transmitter connected Perform the following procedure to download configuration data from a transmitter Procedure 13 Download configuration data 1 Connect the transmitter to the PC Once the connection is made all of the transmitter s configuration data is read by Ohmart View and is viewable on the program s screens 2 Fromthe File program menu select Download from Instrument 3 Inthe Download Configuration From Unit box select or type in the path and name for the file When the Download Complete dialog box opens select OK e The file saves in ASCII format You can view and print the file using any text editor 16 Ohmart View Technical Reference Manual Connecting to a transmitter Note Ohmart discourages editing of the ASCII configuration file Great damage can be done to the file by editing it outside Ohmart View Historical information and hundreds of variables write to the ASCII file during a download This ASCII file provides a useful snapshot of the gauge status at the time of the download However not all of these variables write to a transmitter during an upload See the section Uploading configurations for details on which variables upload from the ASCII file to a transmitter E mailing files to Ohmart Ohmart may want to evaluate your configura
51. o continue 7 When the installation program is complete a message box Installation Successful opens Click OK or press ENTER to continue To install Ohmart View using Windows 95 or Windows 98 Perform the following procedure to install Ohmart View using Windows 95 or Windows 98 Procedure 2 Install Ohmart View Windows 95 or Windows 98 1 Insert the Ohmart View diskette into the 3 1 2 in drive referred to here as the A drive 2 Onthe taskbar click the Start button and then click Run 3 Inthe Open box type a install and then click OK 4 The Installation Path box opens The default path that the program files copy into is c ohmview e f you want the installation program to copy the files into a different existing directory enter the path name at the prompt Click OK or press F4 to continue 5 When the installation program is complete a message box Installation Successful opens Click OK or press ENTER to continue Installed files and subdirectories The installation program installs the following files to the or other chosen directory 6 Ohmart View Technical Reference Manual Getting started Table 4 Installed files and subdirectories File name Description C OHMVIEW directory ohmview exe Ohmart View executable program file ohmview den files used by the program ohmview lev ohmview pmt ohmview prf ohmview uir data files C OHMVIEW CONFIG directory level cfg de
52. rements Ohmart View requires an IBM compatible personal computer with the following system requirements e Intel 486 33 MHz or greater recommended e MS DOS version 6 0 or greater or Windows 3 1 Windows 95 or Windows 98 does not run on Windows NT or Windows 2000 e MS DOS mouse driver installed optional e 3 5 disk drive e 1MB hard disk space as installed plus 10KB for each new configuration file Ohmart HART modem kit Ohmart P N 237857 About HART communication The HART protocol enables digital communication signals to carry on top of an analog milliamp current The analog current also known as the current loop varies from 4 20mA The transmitter gauge calibrates so that the current loop output corresponds to the process variable usually density or level Ohmart View requires a HART modem to interface between the PC and the gauge Typically the modem has a female 9 pin RS 232 port on the PC side two clip hooks on the gauge side Make the gauge connection anywhere across the current loop Test points H1 and H2 provide convenient locations at the gauge A 250 1000 ohm load must exist on the current loop for proper communication Note No load is required across H1 and H2 The following figures illustrate two connection possibilities Current loop 555 aste EE EE Ht uh H2 e Ld HART modem Transmitter test points PC runnin
53. rt level transmitter calculates a curve based on your samples Note If you are unable to change the level in the vessel you can use an alternate method to obtain the linearizer data See Procedure 33 Alternate linearizer data collection method Complete the following checklist before collecting the linearizer table M Make sure the linearizer type is set as Table non linear M Be prepared to set the level and take data Ten levels are optimal although you can use fewer than 10 Be ready to enter levels into the transmitter M Linearizer table data can be collected along with the data collection for the high and low calibrate Ohmart View Technical Reference Manual 33 Sample functions level applications Note You must include the high and low calibrate levels as linearizer data You can accomplish this in one of two ways Take linearizer data using Procedure 28 Collecting linearizer table data while the vessel is in the low or high conditions for the two point calibration steps e Make note of the sensor counts and levels during the two point calibration steps and enter them into the linearizer data manually with Procedure 29 Viewing or editing datapoints Perform the following procedure to collect linearizer table data Procedure 28 Collecting linearizer table data 1 From the Online menu select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Linearizer 4 From the Lin
54. se these indicators to display a digital indication of the process value and the current loop milliamp output It functions when the monitor starts Quick Connect Disconnect Use these buttons to provide a single mouse click method to establish communications with the gauge or to disconnect Ohmart View from the gauge Program menu nications tkilities Digital indicators Relay status indicator 4 55 4 zi Relay Status Denergized tr 1 Unit Tag TEST LEU x NAZI mA Unit tag Process Current Loop GE Process 4 2 Current Loop output 15 98 mA 198 5 Main menu Monitoring Recording HART amp reens control window 2 ON Recording OFF EDNNELT 51 HRRT Status DISCONNECT F7 al EN HELP F1 lt F8 Function buttons SAVE F2 HOME F3 F4 ute Jura gt 00 Navigation Guick connect Communication status buttons disconnect indicator Figure 3 Ohmart View user interface Ohmart View Technical Reference Manual 9 Getting started Monitor use this function to display an analog indication of the process value vs time and the 4 20mA output vs time The monitor is operational only when the Monitor Recording Control is used to turn it on Monitoring Recording Control Use these controls to start and stop the monitor analog display and
55. smitter B From the File menu select Download from Test Instrument to save all the edits to C OHMVIEW B CFG From the Communications menu select Disconnect from Unit to close the file Ohmart View Technical Reference Manual Using the test mode J PC running Ohmart View File saved on PC drive Figure 12 Saving the file as B CFG in test mode Step 3 Uploading the file to transmitter B This step illustrates how to upload a configuration file to a transmitter dd b File saved on PC drive PC running Ohmart View Level or density transmitter Figure 13 Uploading the file B CFG to transmitter B Procedure 21 Upload file to transmitter B 1 Plug the HART modem into a PC serial port 2 Use the cable mini clips to attach across the current loop of transmitter B Test points H1 and H2 at the transmitter gauge electronics provide convenient access 3 Start Ohmart View software by typing ohmview at the c ohmview prompt 4 From the Program menu select Communications 5 Fromthe Communications menu select Connect 6 Fromthe File menu select Upload to Instrument 7 Inthe Upload Configuration to Unit box select file C OHMVIEW B CFG to upload to transmitter B e configuration data that uploads overwrites the stored data in the transmitter memory 8 Fromthe Communications menu select Disconnect from Unit Ohmart View Technical Reference Manual 25 Using the test mode Notes 26 Ohmart View Te
56. ss 1 00 00 00 Stdz History Date 2 0 0 Stdz History Counts 2 68 Ohmart View Technical Reference Manual 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 050 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 020 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 05 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz 00 00 00 Stdz 0 0 Stdz Diagnostic History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History History
57. t Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Initial calibration 4 Fromthe Initial calibration menu select Two Point Calibration 5 From the Two Point Calibration menu select Set Calibration high density 6 When prompted select Yes to start data collection The on screen counter displays the time left Select ABORT or press F3 if necessary to discontinue data collect 7 Atthe Input Non compensated Value prompt enter the actual density in engineering units from the lab Calculate calibration After collecting the high and low density data for calibration the DSTH makes the calibration calculation Perform the following procedure to calculate the calibration Procedure 24 Calculate calibration 1 From the Main Menu select Calibrations 2 Fromthe Calibrations menu select Two Point Calibration 3 Fromthe Two Point Calibration menu select Calibrate Result 4 The screen displays the results of the low and high sensor counts and values for review e fthe data is valid do not edit the value and click ENTER or press F4 to continue e Tocollect new data select ABORT and repeat the Set low density and Set high density procedures e To edit the counts and or calibration values select Yes and click ENTER or press F4 Ohmart View Technical Reference Manual 29 Sample functions density applications Periodic standardization Complete the following checklist before performing stand
58. ta files always write in English Perform the following procedure to change the display language Procedure 6 Choose a language 1 From the Utilities menu select Languages 2 The Language Choice box opens Select English or Spanish 3 Click Enter or press F4 The displays update to the chosen language 8 Ohmart View Technical Reference Manual Getting started The Ohmart View interface The Ohmart View software interface consists of the following parts Program Menu Lse this menu to upload and download data connect to HART instruments and exit the program Unit Tag Indicator Use this indicator to display the tag number of the connected transmitter If the software is in test mode it displays Test Lev or Test Den Relay Status Indicator Use this indicator to display the status of the relay either energized on or de energized off It functions when the monitor has been started HART Screens Window uUse this window to display the menus of functions It emulates a HART Communicator Function Buttons use these buttons to perform functions within the HART screens Their functionality changes depending on the currently displayed screen Each screen displays the button s function directly on top of the button A mouse or the keyboard can make the buttons active Navigation Buttons use these buttons to move within and through the HART screens A mouse or the keyboard can make the buttons active Digital Indicators U
59. the Set low level and Set high level procedures or click OK or press F4 to continue 38 Ohmart View Technical Reference Manual Sample functions level applications Alternate linearizer data collection method with empty vessel If you are unable to vary the level in the vessel sufficiently to collect linearizer data you can use this alternate method with an empty vessel Note Use these steps instead of Collecting linearizer table data and Calculating the linearity This procedure must be followed by Procedure 32 Calculate calibration Before collecting the linearizer table data M Set the level to empty or as low as possible Have survey meter available to read the radiation field intensity in mR hr or uSv hr Be prepared to take radiation field readings along the entire height of the vessel You must know the equivalent process level in the units set in the Initial Settings for each meter position Complete the following procedure to perform an alternative linearizer data collection method Procedure 33 Alternate linearizer data collection method Make sure the source holder is in the Open or On position to establish a radiation field To collect the data use a survey meter to make measurements along the entire height of the vessel for example in 1096 increments from 0 to 10096 Record the radiation field value in mR hr or uSv hr at each level in process units From the Main Menu select Calibrations Fro
60. tion cfg and data dta files E mail files to Ohmart Field Service at the following address fieldservice ohmartvega com Uploading configurations You can upload configuration data from a file on the PC to a connected transmitter The Ohmart View program performs the following tasks during upload e Reads data from a stored configuration file e Loads it into the computer s memory for display on the screen e Writes it directly to the transmitter b File saved on PC drive PC running Ohmart View Level or density transmitter Figure 6 Uploading configuration data Ohmart View Technical Reference Manual 17 Connecting to a transmitter Perform the following procedure to upload configuration data from a file to a transmitter Procedure 14 Upload configuration data 1 Connect a transmitter to the PC Once you have a connection all of the transmitter s configuration current data are viewable on the program s screens 2 Fromthe File program menu select Upload to Instrument 3 Inthe Upload Configuration to Unit box select or type in the path and name for the configuration file to upload 4 Ohmart View reads the file and writes the configuration data to the transmitter This overwrites existing data stored in the transmitter The configuration data can change at this time through normal operation of Ohmart View Any changes write to the transmitter but not to the saved file that uploads If you wish to save
61. tion 4 Fromthe Initial calibration menu select Two Point Calibration 5 From the Two Point Calibration menu select Set Calibration low density 6 When prompted select Yes to start data collection The on screen counter displays the time left Click ABORT or press F3 if necessary to discontinue data collect 7 Atthe Input Non compensated Value prompt enter the actual density from the lab in engineering units Set high density Setting the high density for calibration requires measurement of the high process sample with the DSTH and entry of the actual density This sets the gain of the calibration curve Perform this procedure either before or after setting the low density but only after correctly entering the process span in the Initial Setup screen Note You must perform data collection for the low and high density within ten days of each other for a good calibration The low and high values must be more than 10 of the process span apart for the most accurate calibration Complete the following checklist before starting the high calibration data collection Fill vessel or pipe with high process Have actual density or percent solids value for this sample from lab ready to enter 28 Ohmart View Technical Reference Manual Sample functions density applications Perform the following procedure to set the high density for calibration Procedure 23 Set high density 1 Fromthe HART communications Online screen selec
62. tting the high level for calibration requires measurement with the level transmitter of the high process sample and entry of the actual level This sets the gain of the calibration curve Perform this procedure either before or after setting the low level Complete the following checklist before starting the high level calibration data collection Fill vessel or pipe with high process or close the source holder shutter to simulate the high process level M Have actual level ready to enter 32 Ohmart View Technical Reference Manual Sample functions level applications Perform the following procedure to set high level for calibration Procedure 27 Set high level for calibration 1 From the HART Online communications screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Initial calibration 4 Fromthe Initial calibration menu select Two Point Calibration 5 Fromthe Two Point calibration menu select Set Calibration high level 6 Atthe Set Process to High Calibration Point Take Data prompt select Yes to start data collection The on screen counter displays the time left Click ABORT or press F3 if necessary to discontinue the data collect 7 Atthe Input Non compensated Value prompt enter the actual level in engineering units Collecting linearizer table data In level applications we recommend collecting data points between the high and the low calibration points so that the Ohma
63. unctions menu Other advanced 64 Advanced Functions menu Select Gauge Type 65 Advanced Functions menu Select Gauge Location 66 Example of default configuration file 71 View Technical Reference Manual vii Preface Notes viii Ohmart View Technical Reference Manual Overview Overview Software description Ohmart View software communicates with Ohmart transmitter density and level gauges and provides a graphical user interface for initial setup calibration and diagnostics The program also easily stores and downloads gauge configurations for backup and for multiple gauge setup Scope of this manual This manual describes how to install and run the Ohmart View program It does not give instruction to optimize the Ohmart transmitter gauge calibration and setup Please refer to the gauge manual for gauge and application specific information Table 2 Manuals for gauge and application specific information Application Gauge model Manual title Density DSTH DSTH Density Measurement with HART Percent solids Communication Manual Cut detection Pipeline interface Continuous level LSTH Level Transmitter with HART LJTH Communication Manual LNTH FiberFlex FiberFlex with HART Manual LFXG H If you need help Contact Ohmart VEGA Corporation Field Service for assistance e Voice 513 272 0131 e FAX 513 272 0133 e Email fieldservice ohmartvega com Ohmart View User Manual v3 0 1 Overview oystem requi
64. values and click UPDATE POINTS or press F5 8 Click EXIT or press F4 A message indicates the old datapoints are being deleted from the instrument and new ones are being uploaded Ohmart View Technical Reference Manual 35 Sample functions level applications File Communications Utilities oo 000 roo 000 0000 ho 000 000 Kr 1 1 1 1 5 00 5 99 8 99 11 98 Process UPDATE POINTS F5 Process 0 00 CLEAR ALL POINTS F3 Counts 9000 RECALCULATE LINEARIZER F2 ADD POINT F1 MONITOR OFF F7 EHIT F4 Figure 14 View edit datapoints screen Calculating the linearity If you want to use the newly collected linearizer table data with the calibration perform this step before Procedure 32 Calculate calibration Note Be sure the linearizer data includes the low level and high level calibration value before calculating the linearity 36 Ohmart View Technical Reference Manual Sample functions level applications Perform the following procedure to produce a new linearizer table Procedure 30 Calculate the linearity 1 From the HART Online communications screen select Main Menu 2 Fromthe Main Menu select Calibrations 3 Fromthe Calibrations menu select Linearizer 4 From the Linearizer menu select Linearizer data 5 From the Linearizer data menu select Linear data collect 6 Fromthe Linear data collect menu select Calculate linearity
65. wono 2 bg n n w n D n y n u n S UN 3497 SHUN 5592014 5590 014 Figure 21 Initial factory setup menu Process parameters Ohmart View Technical Reference Manual 48 Appendix HART screen menus and functions Initial factory setup menu System parameters I PNUS IX9N Z skep onp odi M enp xoeuo 1e1inug ed M G ON c D SOA y y 1e11nus skep 4 dt EAJ891U 1e11nus S A Z 29010 D Jo duoseq Iss W HH eDesse skep PASI edi 0900 D AA aa W 26159 D uoneunojul uoun ed GORE oomnos 2 pue ueis S Figure 22 Initial factory setup menu System parameters 49 Ohmart View Technical Reference Manual Appendix HART screen menus and functions Initial factory setup menu Alarms spuooes poued GROS
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