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FujiFilm 16317065 Digital Camera User Manual

1. 28 5s Ganerako lU ra a aAA waistline cee uf AANEEN AAE AOA 28 9 5 2 Use and Setup of the Oscilloscope for the MT2000 28 9 6 APPENDIX F CE Certification of Conformitly 29 9 T APPENDIX G gt Exda Cene IEn E A 30 9 8 APPENDIX H Installation Drawings for Intrinsic Safety amp Standard Wiring 31 9 9 APPENDIX I Mounting Gonflg rall niS u uuu u u EA 34 9 10 APPENDIX se Warranty Sialementhuu uuu uu tiie ta u u u uuu u uu u u 2 39 Figure 2 1 Direct Reflect M0d _uuuu u uu n u uu u Sua aus al aus aa 6 Figure 3 1 Mounting Requirements 7 Figures 2 Factory Detault COMM UFAUO Mx u uuu uuu unn adenine ead 8 Figure 4 1 QUIKSTarl PrOG600re u uuu m uu E waclutndaa nd clated na cash tl aa cde dat ng lat acea dates 10 Figure 4 2 Electronics ECD DIODISBy uuu uuu uuu llak anaq eee eee eis 10 Figure 4 3 Transmitter Configuration from Model Number 12 Figure 4 4 L10 Advanced Parameter Settings 13 Figure 4 5 Ultra Low Dielectric ULD Mode Configuration 16 Figure 4 6 Example of Display in Calibration Mode
2. 18 Figure 4 7 Write Project right jumper 18 Figure 9 1 Sensor Trim Factory Defaults uu uu u u u u u au 12 23 Figure 9 2 Configuration 2 hidden Menu 24 Figure o S MT2000 iileilqa0 e uuu u o u u uu u 2 a ne 27 Figure 9 4 Oscilloscope Use amp Setup for Troubleshooting 28 Figure 9 5 MOUNTING COMM GUFATION Sasina asunh amas han G KQsyus 31 1 0 INTRODUCTION Thank you for using the K TEK MT2000 Guided Wave Radar Transmitter The MT2000 has been designed for ease of use and to offer extensive configuration capabilities You are urged to review this manual in its entirety prior to use This will eliminate most installation problems due to improper configuration We the K TEK Family sincerely hope you receive many years of reliable use from this transmitter and welcome your feedback to consistently improve our products When it comes to measuring the level of bulk solids liquids and everything in between guided wave radar technol ogy now offers more level detection capabilities than ever before For an ever widening range of previously hard to measure products such as molten sulfur liquid ammonia and petrochemicals guided wave radar transmitters pro vide accurate level measurements even under harsh chemica
3. 10 4 3 1 LOD Menu 91 lt 1 11 0 g Een ne eee ne eee 11 4 4 Detailed Configuration Parameters 12 4 4 1 Direct Mode Blanking Parameter BLK ececcececseeeeeeecesetseeeeueeseserseaeaeansenenss 12 4 4 2 Threshold Level Parameter THV and Gain Setting GS 12 4 4 3 Advanced Parameter Settings cccccececseeeeeceseteceeeecueeseserscueauauseterseaeavansesenss 13 4 4 4 Ultra Low Dielectric ULD Mode Configuration 15 AS OV anced ONIDSUCO nI g ralioilau u u aE ne uietaue ateiauaad Su SSS S 16 AD We AG Vi tesa itu au bat ha a a iD iD Mat D S u u a kalsyu 16 452 Setting the DAC Tien 2222 22 2 u u sues atieaautuaaeeausee alana siaateeaal testes 16 4 5 3 Displayed Engineering Units EUN ccceceeeececeeeeeeeeeeseteseeeeueuseserseaeanansenenss 16 4 5 4 4 20 mA Output Damping DMP seciietesissinidsjenintertidaieriadariataientesinidayeawalutdieiesiitaanieawetoneanteta 16 4 5 5 Bench Calibration of the 4mA amp 20MA Points 17 4 5 6 4mA amp 20mA Calibration Using Actual Level Input 17 4 5 7 Reversing the Output Action Using Actual Level Input 18 45 8 OUST SWilelESellin09 uuu uama NAE REAAL 18 5 TP
4. Set Range to 1 Volt Div Set input A to DC Coupled Connect probe grounds to Common Channel B Connect Probe tip to Sync Pulse Note Sync Pulse is actually the Blanking Signal and its position changes when BLK is changed Set range to 1 volt div Set input B to DC coupled Set time to 500 uSec Div Change timing and trigger up and down as needed to see top fo probe or the whole probe length de pending on overall length Set Trigger to Channel B set level at 2 volts negative slope wait for trigger recurrent per scope options in trigger menu Set time delay to 2 division NOTE The signal waveform will be visible on Channel A When changing the Blanking BLK the waveform will move Increasing BLK will shift the waveform to the left If the scope time delay is set to 2 Div then set the blank ing so that any coupler pulses below 2 vdc are to the left of the end of the second division Set THV to a value that crosses the wanted signal but does not cross any other baseline down going bumps 9 6 APPENDIX F CE Certificate of Conformity K TEK LLC 18321 Swamp Road Prairieville Louisiana 70769 USA Tel 225 673 6100 Fax 225 673 2525 EU DECLARATION OF CONFORMITY The EU Directives covered by this Declaration 89 336 EEC Electromagnetic Compatibility Directive amended by 92 31 EEC amp 93 68 EEC 72 23 EEC Low Voltage equine Directive amended by 93 68 EEC
5. 30 5 m BLK 210 Probe length 2 100 ft 30 5 m BLK 110 Figure 4 3 4 4 2 Threshold Level Parameter THV and Gain Setting GS The threshold level and gain settings are used to fine tune the detection of products with different dielectric con stants and to adapt to different probe configurations THV is typically set between 1 0 to 1 8 Note Lower THV values make the transmitter less sensitive and higher THV values make the unit more sensitive to lower dielectrics GS is typically set to 2 or 4 GS 1 is lower gain than GS 2 and GS 3 is lower Gain than GS 4 For probe configurations 1 2 3a and 3b Appendix G with a dielectric constant above 10 use the factory default settings THV 1 5 GS 2 For probe configurations 4 5 6 7 8 9 10a 10b THV settings of 1 65 0 15 are typical depending on fluid dielectric constant using GS 4 4 4 2 Threshold Level Parameter THV and Gain Setting GS cont d The following values should be used as starting points For Mounting Configuration 1 2 3a and 3b direct insertion in tank no stilling well applications no coaxial probes with the following dielectric constant For Mounting Configuration 4 5 6 7 8 9 10a amp 10b with the following dielectric constant ground plane probe installation applications coaxial probes stilling well EC chambers Factory Default Assuming the 4 mA point is set toward the bottom end of the probe and that the 20 mA point is
6. Low Range Saturation is the lowest current output that the transmitter can attain in normal operation not in alarm condition regardless of the actual measurement value The LRS limit has no effect on the Fail Low alarm current 3 60mA if selected with the Fail Hi Lo jumper position on the face of the module Should the transmitter lose its echo the transmitter will immediately enter its low alarm state no damping effect of 3 60mA LRS has two selec tions e 3 85 sets 3 85mA as the low limit for the mA signal As the level decreases below the LRV the output current will change proportionally down to the limit e 4 0 sets 4 0mA as the low current limit from the transmitter preventing a negative level in the control system 93 APPENDIX C Linearization The MT2000 s multi point linearization system allows improved measurement accuracy along the length of the probe In particular this feature can be used to correct non linearity which can be seen typically close to the top and close to the bottom of the sensing probe In most application linearization is not required The MT2000 linearization uses a table of points set up by the user For every point there is an input measurement provided by the instrument and an output measurement provided by the user As the detected level travels the probe length the measurement output is calculated from each segment of the table The table points are used to map sensor measurement to se
7. Lower the Threshold Output spiking low or raw counts Raise the Threshold jumping high Introduce a parallel ground plane Output mA erratic Check BLK THV GS section 4 4 2 Check for shorts between electronics and on back and ground Output greater than 21 mA case Change the electronics module Power unit with an isolated supply Check for proper supply voltage puto Check terminal strip for leakage to cage Raw Counts and Output remain Lower the Threshold nstan in measuring range contain geng Check the probe for obstructions continued on next page 5 2 Raw Counts are 0 and Output is in alarm No Display Possible Symptoms cont d SYMPTOM ACTION Raise the Threshold Check probe for presence Decrease blanking E B E Check cables Check for proper supply voltage Check for proper wiring Replace electronics module El E El E Unit is in ALRM check THV GS section 4 4 2 check BLK 21 mA output section 2 3 3 3 OUTPUT steady even when level moves Unit worked satisfactorily until new IS barrier installed in circuit Unit reads incorrectly at the top or very end of cable probe Check cable for obstructions buildup and trash or nearby metal objects Ensure that barrier meets requirements of pg 31 APPENDIX H and that sufficient voltage power is available for device This non linearity is common at the extreme ends of the probe and can be minimized or elimin
8. DOWN buttons together when the LCD display is on END at the end of the CFG menu Sensor trim in the field should be avoided if at all possible This is because e It is difficult to see or know the exact conditions that the MT2000 is reading in the field without controlled condi tions on the probe and an oscilloscope to confirm them The MT2000 has no way of discerning whether or not the information it is reading is correct If trimmed to incorrect conditions the transmitter measurement may be dramatically incorrect e Different types of probes require different styles of gain settings Coaxial probes and single rod or cable probes in an EC chamber require different gain and calibration fixtures than single rods or cables in an open vessel e lf the Sensor Trim point settings LTP or HTP are entered accidentally the only way to exit this selection without making any changes is to remove power from the transmitter DO NOT STEP THROUGH THE TRIM DIGITS If re trimming the MT2000 is necessary please consult the factory for instruction Performing the Sensor Trim if the level can be raised and lowered AND the actual level is known 1 With the unit powered up bring the product to a known level about 6 inches above the minimum level 2 Using the LCD menu access LTP Use the Select and UP and DOWN buttons to set the value to the engi neering value of the actual level in the selected engineering units 3 Bring the pr
9. above 21 00 mA is also an indication of improper power up or defective electronics 5 1 Valid Current Loop Outputs 21 0 mA If the top board jumper is set to HI ALARM a loss of signal a problem with the configuration or a malfunction will cause the output to be set to the alarm condition of 21 0 mA 20 6 mA When the level increases above the 20 0 mA point the output will continue up to 20 6 mA and then latch until the level returns below the 20 6 mA level 4 0 mA to 20 0 mA Normal output range between 3 8 and 20 6 mA 3 8 MA 4 0 mA When the level decreases below the 4 0 mA point the output will continue down to 3 8 mA and then latch until the level returns above the 3 8 mA level If LRS Low Range Saturation is set for 4 0 mA that will be the lowest output regardless of actual level 3 6 mA If the top board jumper is set to LO ALARM a loss of signal problem with the configuration or a malfunction will cause the output to be set to the alarm condition of 3 6 mA Output spiking up or down will usually result from improper THV or BLK settings Refer to the initial setup section for details If a module fails to communicate verify from the model number that the particular communication option is included Note Signal can be observed using an oscilloscope Refer to Appendix F for setup procedure 5 2 Possible Symptoms SYMPTOM ACTION Output spiking high or raw counts abina low Extend the Blanking BLK in increments of 4
10. clearly pioneered the way for radar in terms of level measurement However one of the ma jor problems of non contact with the product to be measured through air radar is the high probability of false ech oes Simply pointing a radar transmitter toward the bottom of a silo allows unguided waves to bounce off the sides of the vessel itself returning many divergent signals that must be canceled out at the receiving end Part of the problem stems from the wide dispersion of radar beams which radiate away from the transmitting antenna in the shape of an ever widening cone A similar problem also presents itself in ultrasonic measurements where divergent angles of up to 20 degrees are routine These obstacles have now been overcome with the arrival of guided wave radar transmitters While fundamentally relying on the same conventional time of flight technology used in through air radars guided wave radars go one step further by controlling the spread of radar beams via a probe that is introduced directly into the product to be measured Typically the wave guide is a specially designed metal rod or cable Since the guide concentrates the radar signal within a small diameter often less than 12 inches cylinder along the probe it doesn t disperse and re flect off materials that are not representative of product level This results in a higher level of performance and reli ability from the guided wave device Furthermore the ease of configuration elimina
11. e RNG All sensors with a measuring range less than 100 ft 30 5 m use the factory default value RNG 1 and do not require changing this parameter For a measuring range greater than 100 ft 30 5 m RNG should be set to RNG 2 by accessing factory menu setup Refer to menu chart e LTP Sensor Trim Lower Trim Point defines a point on the sensor at which the display will indicate the value entered for LTP Refer to Appendices Section for Sensor Trim instructions e HTP Sensor Trim High Trim Point defines a point on the sensor at which the display will indicate the value entered for HTP Refer to appendices Section for Sensor Trim instructions Note When performing a Sensor Trim Appendix A one defines how the device makes measurements in term of Engineering Units at 2 points on the sensor All other level points on the sensor are derived from a linear formula passing through LTP and HTP 4 4 4 Ultra Low Dielectric ULD Mode Configuration Note Use this method for very low dielectric solids only when little or no usable signal can be obtained from the product surface Use in solids measurement applications with 1 3 lt DC lt 2 0 If the DC is above this 2 0 value please contact the factory for application support Special calibration of the Trim Points is required 1 The dielectric constant of the material must be stable and below 2 If the dielectric constant is above 2 and the MT2000 cannot be operated reliably in the direct r
12. product A simplified signal trace as seen on an oscilloscope Figure 2 1 can be divided into four identifiable sec tions Start Pulse Coupler Reflection Signal Reflection End of Probe Reflection 2 3 1 Direct Reflect Mode standard cont d The measurement principle using TDR is based on the fact that a dielectric constant discontinuity or geometric change will yield a negative pulse having certain amplitude below the baseline The greater the dielectric constant difference the greater the negative amplitude of the return signal This means that a signal will show up on the baseline if there is a substantial change from a nozzle diameter to an open tank for example as signal plot at the process connection This fact needs to be taken into account in order to configure the MT2000 properly Consult section on commissioning Displayed in Figure 2 1 is the return signal as one would see it on an oscilloscope Refer to troubleshooting section for oscilloscope set up Abbreviations used are GS Gain Setting BLK Blanking THV Threshold Voltage URV Upper Range Value 20 mA LRV Lower Range Value 4 mA LL1 Liquid Level 1 L1 Unmeasurable Zone Top of Probe L2 Unmeasurable Zone End of Probe Coupler Reflection 2 0 VDG i A End of 15 VDC Probe 1 0 VDC Reflection 0 5 VDC 0 0 VDC l PRODUCT L2 RV al l l Measured Distance Displayed as LL1 i l Figure 2 1 2 3 2 Ultra Low Diel
13. set toward the top for a given GS setting e lf THV is set too high the output will either read high or spike high e If THV is set too low the output will either read low down to 3 8 mA spike low or be in fault high 21mA or fault low 3 6mA e Adjust THV as needed to obtain a steady output reflecting the actual level over the usable measuring range NOTE If a stable output cannot be obtained refer to trouble shooting section or to Appendix F for viewing sensor signal using an oscilloscope 4 4 3 Advanced Parameter Settings e L1O Level One Otfset is used to offset the level output of the transmitter to match the N actual level in your tank or vessel This offset allows the transmitter to be calibrated d so that the 4mA is equal to a value higher than zero There are several cases when Level Offset can be used r 1 To accommodate for a non measurable length at the bottom of the probe 2 To accommodate for the length of the probe being shorter than the ac tual length of the tank or vessel due to agitator or other devices near the bottom 3 To synchronize two redundant transmitters 4 To allow a zero based measured variable which is used when an EC measurement needs to correlate locally to a sight glass It also simpli fies setting the range from tap to tap Measured L1O can be positive or negative and as much as 50 of the sensor trim span HTP LTP Figure 4 4 shows a typical L1O offset Example If the end of
14. the probe in Figure 4 4 were 4 inches off the bottom of the tank the L1O Level Offset would be 4 If the Measured Level were 21 inches then the local indicator would indicate 25 inches 21 4 and Figure 4 4 the 4 20 mAdc signal would indicate a level of 25 inches This will provide local indication and signal of the actual level of 25 inches 4 4 3 Advanced Parameter Settings cont d e KO amp KG KO and KG parameters should only be changed during the replacement of an electronic module Refer to troubleshooting section e LCH For Devices configured to measure 0 at the end of the probe this value defines the sensitivity of the Latching feature When this feature is enabled and the detected signal extends past the end of the probe the resulting output is latched at 0 until the signal is again detected at the end of the probe To disable this feature set this value to 0 If your application has a use for this feature it is recommended that this value be set to 20 for RNG 1 and 10 for RNG 2 If this value is not sufficient for the latching to take effect lower this value as necessary e DRC This feature is used in conjunction with the latching feature to determine the ease with which the output may become unlatched With this value enabled the return signal must be detected above a certain point near the end of the probe identified by DRC To disable this feature set it to 0 To enable this feature set the value to
15. 18321 Swamp Road Prairieville Louisiana 70769 USA Tel 1 225 673 6100 Toll Free 800 735 5835 Fax 1 225 673 2525 Toll Free 888 442 1367 Email service ktekcorp com Website www ktekcorp com Guided Wave Radar Level Transmitter Installation and Operational Manual he Direction in Level Detection TABLE OF CONTENTS Te WIN EO ICAO a uapa abated attr uQ uba uba D uB ia umasa 4 Bak OVE VIE Ve eee ea eet ua tt antenatal en a eaten aga das ebadasecegaduseeagaeasin 5 Z s AC er MMO Fi a LEO E sss 3 2 2 AMDn TENDE U Cass u ses u uuu uu a a a AR 5 2 9 Descriplon amp Principle Ol OO CTAL Nosr a 5 2 3 1 Direct Reflect Mode Standard asas 5 2 3 2 Ultra Low Dielectric ULD Measure Method a 6 3r INS TACEATNON ses acta uuu uu u uu alan o u Lo lulus 7 S T Mounin Redurre me S u uy u u Duan aa a aaa a ua dessa M 32 SNOrNening Ole FOL seta italic hac Sara cata rita ihc deci maqqa sssi 8 3 3 MT2000 Guided Wave Radar Guidelines ccccccessccccssscececeeseeeeceeseceeceeeeeesseeeeeeeeaaeeees 8 To WI S nus u s ate cataracts ots s su ener eee 9 3D FATE X ADDO Val ATO TAC OI uuu un acta a alta ltr iat una akaun naa 9 4 GONNISSIONINQ uu u uuu u m aici aida i 9 Al Questo rEProSediure nensi abususta aaa 9 AA NOIV EOD FOWO Dyus u sau dant aan S 10 4 3 Setting the 4mA and 20mA Points Using the Pushbutton Menu
16. 40 recommended For turbulent processes raise this value as necessary e ALD Alarm Delay specifies the time in seconds an alarm condition will be ignored before the module enters its alarm condition Hi or Lo according to the FAULT HIGH LOW jumper settings Any condition generating an alarm loss of echo must last longer than the specified amount of time before the transmitter s output will be affected During the ALD timing period the transmitters output is held steady at the last good signal If the alarm condition clears before ALD times out the transmitter assumes normal operation If the time delay is fulfilled without the alarm condition clearing the transmitters output goes immediately by passing all output damping settings into the fail condition selected by the jumpers on the module face Hi 21 mA Lo 3 6 mA The primary use for this function is to compensate for applications that are typically low dielectric constant fluids and that may be either boiling or flashing causing a momentary loss of the signal echo ALD will keep the process from being upset allowing the random condition to pass without impacting the transmitter s mA output Notes e The DMP transmitter s output damping parameter is bypassed when the alarm delay ALD time out e When the alarm condition clears DMP is again bypassed and the output goes directly to the value gen erated by the level e Factory default setting is for ALD 2 0 seconds
17. Cd CAIILYSS WSO 38 ISNA LNSAdINOS daLyIoOSsy O SOOHLIW SNIHIM Z NOISIAID HO4 L2Sa L Lud 3092 TAHLI NYIJYNY HLM JONYOHO30 NI GSTIWLSNI 38 LSOAN HaLLINSNYHL JHL SNOLLWSMdd Z AIG H04 8 ALLNI G3NIBAO2 HLM M3HL39DI ISN 404 AIHLHI N338 JAYH STANNYHO HLO 3H3H d3SD 38 AYA SHIHHYA TENNYHO JTONIS OML YO TINNYHI ING GIIsILY3D JNO a UT lt Ce Iqp2 12 lt oou gt 98 XDA gt 30 A SLNSMSYINOSY SNIAOT104 IHL 133W LSM HJHH ALIJYS V NOW FOILS FSO OL ddl ldd SALON qas 38 GINCHS H HNZ O WY 4d09 NMONM LON 3Hy SHALSNYH d 318v5 dl T4HFISNOD 34 ISNA JONVLONGNI JONWLIOVd o CITIVLSNI 134 TP 3 SHJLIHYHYd ALLNI MALUASNYYL OL SONYLONONI SONWLOWdyYo JAY dd SNOILWINGTWO WALSAS LL D WddN ISN Y OJN JHL ONY Zid SIISNY HLM JONYOYCOOY NI 3H TIVHS NOILYTIVLSNI OL HI QS 40 D Cha WSPOSDW JJA OB KOW JJA of KOLA SALA Yad ALILNA SHJLIA YH Yd JAM OSI SAIONSONINGN 6 JJAQHddY FHAA 38 LS0A LNI GINDI GaLyioessy g Hdd OSA0dddY Jas NY OL LOSNNOO dO SJOHLAH JNIA c MOISIA 804 3009 TYOIHLOSTS TYNGUYN HLM JON YOHOOO NI Q3TIVISNI 38 HAHLI LSNA YSLLINSNWHL JHL SNOLYINTddY Z AID HO4 ABa T E ET E T u oa los a a e ATE E A ea d an SLNIAJHINDIH ONIMOTIOS JHL 133W LSM S3AH4Ya Al1347S 9 GLSS ON CY YONYLS WAGHYddY OYA4 OL SHHOJNOS SINJA 600631 S006831 JHL S WAQdddyY Wa Ol ddl 138 4LON APPENDIX H Installation Drawings for Intrinsic Safety amp Standard
18. DIELECTRIC PROBE CONSTANT LENGTH 1 7 20 ft 6 1m 3 30 ft 9 1m 10 50 ft 15 2 m 35 50 ft 15 2 m Dual Rod Flat Plate Or Coupling MINIMUM MAXIMUM PROBE LENGTH 3 20 ft 6 1 m 4 20 ft 6 1 m 10 100 ft 30 5 m Accuracy subject to changes in dielectric constant Ultra Low Dielectric ULD measurement method supports dielectric 9 10 APPENDIX J Warranty Statement 5 YEAR WARRANTY FOR KM26 Magnetic Liquid Level Gauges MagWave Dual Chamber System LS Series Mechanical Level Switches LS500 LS550 LS600 LS700 LS800 amp LS900 EC External Chambers STW Stilling Wells and ST95 Seal Pots 3 YEAR WARRANTY FOR KCAP300 amp KCAP400 capacitance switches BETA Pressure and Temperature Switches have a limited factory guarantee excluding wetted parts amp consumables 2 YEAR WARRANTY FOR AT100 AT100S and AT200 series transmitters RS80 and RS85 liquid vibrating fork switches RLT100 and RLT200 reed switch level transmitters TX TS TQ IX and IM thermal dispersion switches IR10 and PP10 External Relays MT2000 MT5000 MT5100 and MT5200 radar level transmitters RI100 Repeat Indicators KP paddle switches A02 A75 amp A77 RF capacitance level switches and A38 RF capacitance level transmitters Buoyancy Level Switches MS50 MS10 MS8D amp MS8F Magnetic Level Switches MS30 MS40 MS41 PS35 amp PS45 1 YEAR WARRANTY FOR KM50 gauging device AT500 and AT600 series transmitters LaserMeter and SureShot serie
19. E PARTS FOUND TO BE DEFECTIVE IN MATERIALS OR WORKMANSHIP WHICH ARE RETURNED BY THE PURCHASER TO K TEK
20. MT 2000 unit must be fed through a suitable Certified barrier isolating interface mounted 9 in the safe area 4 1 Quickstart Procedure An MT2000 from the factory will be set with several default parameters These parameters have been selected to cover the widest range of dielectric constants typical water based products and in some cases no adjustments will be necessary Each unit will be trimmed with 0 inches at the end of the probe and a distance equal to the probe length at the face of the coupler The calibration range will be set with 4mA at the end of the probe and 20 mA at the face of the cou pler For instance In Figure 4 1 a 25 foot cable probe will indicate 300 inches and 20 mA at the top while indicating 0 inches and 4mA at the bottom With this knowledge in hand an MT2000 can be installed quickly and easily 1 Remove all of the pieces of the MT2000 from the packaging and assemble them if necessary 2 Install the transmitter into its process connection and proceed with wiring See section 3 3 field wiring 3 Power up the unit All of the digits on the display will light up The output from the transmitter will drop to 4mA then start to climb to the level of the product 4 Enter the Calibration menu using the pushbuttons on the faceplate Select and set values for LRV 4mA and URV 20mA 5 When this is complete the unit should be functioning and ready for normal operation If the output does not correspond with the lev
21. NGE amp LOWER RANGE VALUES READ OR WRITE OUTPUT DAMPING VALUE READ OR WRITE TRANSMITTER TAG DESCRIPTION MSG DATE PERFORM OUTPUT DIGITAL TRIM TEST LOOP OUTPUT SET POLLING ADDRESS 7 2 HART AMS 7 2 1 Compatibility Software The supporting software Resource Files for AMS was designed for release with AMS 6 0 Device Since all K TEK s HART compatible devices are based on the Universal Generic Model all versions of the MT2000 assuming it is equipped with the HART option will operate under AMS even those shipped before the re lease of AMS Version 6 0 Note for Users with AMS Versions Prior to 6 0 If you do not have AMS version 6 0 the MT2000 will still function as a Generic device with all of the functionality normally available from a HART perspective 7 2 2 Resource Files Availability The Resource Files necessary for the MT2000 to be recognized as an AMS aware are located on AMS Software CDs beginning with version 6 0 AMS customers with Foundation support should automatically receive version 6 0 if they purchased a previous version Installation To install the necessary Resource Files for use with the MT2000 follow the instructions provided with your version of AMS to Add Device Type The device will be found as MT2000 under Manufacturer K TEK Once the Resource Files for the MT are successfully installed you may have to restart AMS the device should ap pear under Device Connections or equi
22. O JSN LON LST YSIMYV8 OL CSLO9NNO9 LNFWdINDG TOHLNOS E SLN3IWNDHIAN3 H SSY19 fF H SSW NI GSTIWLSNI N3HA OSS 38 LSA Twas LININOD LHL Lsnd Hi ASHI dan pos 15 MGWVO OW54 Sr QOZ CW gA E x0LLDA SAAl4AYayd ALILNA SONEWESSY SJHIS COCZLA JHL NI GaSn 3HY SJINGOW 60673 8006374 JHL LI wya OL AHL S5931 J8 Len HLY s4 ONS NASM ae S3JION THINGS NOW AOS ll ne JEL TIA Sodn0S HIMOd At WSO Y ILON WJ 9 ILON dad ALAAYS i TANNYHS JFId LIMA Hi 60064 14 JINIS 350448 S80D63 14 134 OL Yad LIM Ga XYY fi OZ L ALON SALA SA 211 CJDCI I ty Jo do L Ald I T 5 13 n sp h vaar i ass Val inued cont iring ic Safety amp Standard W INS ion Drawings for Intri Installat APPENDIX H 9 8 PAHIS NYI NON SNSlSsd LSS LNAAADYTaAI T 30E H340SSY 5 NC LINYANO2 31 43dan TNIH T YSLISGNNGSSIO 30 LNYAY NOS0Tdx3 0 JNBSIH LNSWSSSILYSAY SAodAYZYH NJN SH OL MWONH SI Y4d AHL 40 440 GSHOLIAS NIJA S H 430d SS31ND LNI AINHI LOANNOOSIO LON Od AHYZYH NOISO1dxS ONINYYA 2 ANIAYSINYO SLNAANSDY dAd S31 dndd AIS LAI Y NI Taldal A 39 3805839 Lldd slN sOdNG2 40 NOILALLSENS Y1 cLNAAN SSS Lada SNOILYOO7 SNOCUYWZYH NI ISA 403 ALNISWLINS HIYA AVAL SLNSNOdWOS 40 NOLALILSENS ONINYWIA C4 ANSASNISLNI ILHAS JYS ATIWOISNIALN eg SGYALYIONSWON TYNOLLIddy 3 Lid OS S JHL OL ONY SHFIMH E ALS4 S HLM GdNddNS SNOLSOOHLSNI JHL OL WHOJNOD TIYHS NOLYTIYLSNI
23. OUBEESHOOTINGINFORMATIQNuu u u 2 u NAN 19 5A Valid Current Loop ODIDUIS uu uu uu uuu u usususpsoupaspatapapspapunapanapapabanskupahanatapakanphunabunaunapi 19 eI SOI NP LO I u a as su u usu usus au su uu usus 19 5 3 Electronics Module Replacement ccccscceceeceeseceeeeceeeeceeeeceecesgeseegesueeseeeseeaesenaes 20 6 FONEYWELEDE CTT PTOI atte ae eee ccc are tc cue erie det 20 6 1 Interoperability and Conformance Class 20 6 pO Hii MN 016 uns ee Te mee mm uuu sunsu aa ans 21 7 HART PROTOSOLINTPERFAGEQOPTONS uu u a unn ua u u aaa 21 7 1 268 ROSEMOUNT Communicator a rarsrssssrsssssssassassas 21 rO MAA ANOS uuu masa alta eat aa Dau ava edna a Saa amana s 21 r eo D idle la gametes meer u u u Ye ee ee 21 rO posom CoM FO eve aU ERED turn uyan ERIE MEE SORE SEE PORE E Se eRe yaa Oe een aha aa yau en 21 8 GLOSSARY OF TERMS vpra a a aa aa aaa a 22 TABLE OF CONTENTS CONTINUED 9 APPENDICES wesesuscsusteriseisdaeca una mephieteeh EN EOE NNa 23 OF APP ENDER A Sensor Wit lineata tsa au unu least teal as cecal unu uu cen cna aed 23 9 2 APPENDIX B Additional Special Functions in the CFG2 Hidden Menu 24 9 3 APPENDIX Co Linearization sninen uu uuu aR q aou s p 26 94 APPENDIX D Interface AppliGall riS u uuruuu s unus a 2 9 5 APPENDIX E Oscilloscope Use amp Setup for Troubleshooting
24. Pipe 10 Ft Max cable without spacers longer cable with spacer every 10 ft In 1 5 or 2 pipe 7 ft max cable without spacers longer cable with spacer every 5 ft Three spacer sizes available for 1 5 2 or 3 sch 160 pipe Two spacer materials available Teflon and ceramic above 400 F 3 3 MT2000 Guided Wave Radar Guidelines cont d Rods e 1 4 rod 5 ft max minimum 3 Dia Stilling well if provided with stilling well e 1 2 rod 10 ft max minimum 3 Dia Stilling well if provided with stilling well e In 2 pipe 5ft Max 1 4 or 1 2 rod Coaxial e C8 and C9 with rigid rod always fully assembled with sensor well from factory 3 4 Wiring Install conduit to 1 2 NPT port and run 18 gauge twisted shielded pair to housing Refer to attached wiring diagram on page 33 for typical loop wiring diagram and pg 31 for instructions applicable to intrinsic safety installation Appendix H Apply loop power to the transmitter as follows Terminal Block 14 Vdc minimum to 36 Vdc Maximum Terminal Block o control System Input GROUND Note The Meter and Meter terminals are available to hook up a mA meter to monitor loop current without breaking the loop 3 5 ATEX Approval Information Special Conditions for Safe Use 4 COMMISSIONING Mounting Installation and cable types used shall be in accordance with EN50 039 and the relevant codes of practice Wirina The supply to the
25. T will exit this function making no changes to LRV or URV 4 5 7 Reversing The Output Action Using Actual Level Input e Adjust the level to 50 or 10 e Enter the calibration mode by pressing the UP amp DOWN buttons together for 1 second and press the DOWN button for 1 second to set the output at 4 00 mA e Adjust the level to the new SPAN point e Enter the calibration mode by pressing the UP amp DOWN buttons together for 1 second and press the UP button for 1 second to set the output at 20 00 mA e Adjust the level to where the ZERO needs to be set e Enter the calibration mode by pressing the UP amp DOWN buttons together for 1 second and press the DOWN button for 1 second to set the output at 4 00 mA e Reset the span a second time Figure 4 6 e Enter the calibration mode by pressing the UP amp Example of Display in Calibration Mode DOWN buttons together for 1 second and press the UP button for 1 second to set the output at 0 00 mA 4 5 8 Jumper Switch Settings The jumper switches are located on the top of the electronics module and can be set up as follows Figure 4 7 4 5 8 1 ALARM left jumper Placing the jumper to the lower position causes the output to go to 21 00 mA when there is a loss of signal or trans mitter malfunction Placing the jumper to the upper position causes the output to go to 3 62 mA when there is a loss of signal or transmitter malfunction Note For the change to go into effect trans
26. The Products Covered by this Declaration MT2000 Series 2 Wire Loop Powered Level Transmitters The Basis on which Conformity is being declared The product identified above complies with the requirements of the above EU Directives by meeting the following standards EN50081 2 Radiated and Conducted Emission EN50082 2 Radiated and Conducted Immunity EN61000 4 Electro Magnetic immunity The technical documentation required to demonstrate that the product meets the requirements of the Low Voltage Directive has been complied by the signatory below and is available for inspection by the relevant enforcement authorities The CE mark was first applied in 2001 The products described above comply with the essential requirements of the directives specified Signed me Can ee x Authority Vice President Research amp Develooment Date september 5 2001 CAUTION The atiention of the specifier purchaser installer or user is drawn to the following special measures and limitations to use which must be observed when the product is taken into service to maintain cornpiidnce with the above directives 1 Proper Installation of the instrument requires use of shielded cable for the loop wiring and mounting to an electrically shielded tank Details of these special measures and limitations are also contained in the product manuals CE_MT2000 Do0c 9 7 APPENDIX G Exida Certificate Certificate of Analysis K TEK Failure Mod
27. Wiring continued 9 8 SAIN WHO JIg NA 440 HOLY OINT AAO HoHd SAINYHO J18 sI0 HD 1534310344 SLi Fu Le HJH Ta Fuse MoT WSs Ad Ae Td NOLL Od sHOIH Wd NI MAOH SIJO AMOK JANATA NOILISO0d 440 NI NMOH Sdn 1331Du8d ALTA HOWKWOS o Jd INAS O0 o T VNDIS O Oo 2 WHO MALA ada NOWWOS j LUNG GSE LALO 4a LIGA w LLOC YF JJS Hdd A Myo JNHM doo TOAL 1 9 9 APPENDIX I Mounting Configurations EET o Flat Plate Or Coupling d Ay _ MINIMUM MAXIMUM DIELECTRIC PROBE DIELECTRIC CONSTANT LENGTH CONSTANT 1 3 100 ft 30 5 m 1 3 4 20 ft 6 1 m 4 10 40 ft 12 2 m 10 35 100 ft 30 5 m 35 MINIMUM MAXIMUM PROBE LENGTH 100 ft 30 5 m 20 ft 6 1 m 40 ft 12 2 m 100 ft 30 5 m External Chamber Coaxial MINIMUM DIELECTRIC PROBE CONSTANT LENGTH DIELECTRIC 1 7 20 ft 6 1 m CONSTANT 30 ft 9 1 m 1 4 10 50 ft 15 2 m 4 35 50 ft 15 2 m 10 MAXIMUM MINIMUM MAXIMUM PROBE LENGTH 20 ft 6 1 m 20 ft 6 1 m 100 ft 30 5 m constants from 1 3 to a maximum of 2 0 Ly l MINIMUM MAXIMUM DIELECTRIC PROBE CONSTANT LENGTH 1 7 20 ft 6 1 m 3 30 ft 9 1 m 10 50 ft 15 2 m 35 50 ft 15 2 m Dual Rod Nozzle amp Flange eg MINIMUM MAXIMUM DIELECTRIC PROBE CONSTANT LENGTH 2 5 20 ft 6 1 m 4 20 ft 6 1 m 10 100 ft 30 5 m Figure 9 4 DIELECTRIC CONSTANT Removable Stilling Well MINIMUM MAXIMUM
28. able Probe hangs into the vessel and acts as a wave guide i e the microwave energy stays concentrated around the probe and along its length instead of being dis persed in a cone as it would be if there was no probe A measurement cycle consists of the following 1 A very short pulse of microwave energy is applied at the coupler to the Probe 2 The pulse travels along the length of the probe and when it encounters a discontinuity that is a dielectric con stant change such as the product surface some of the energy is reflected and travels back towards the coupler 3 When the reflected energy reaches the coupler it is sensed by the electronics By measuring the time elapsed between the initial pulse and the reflected one the electronics can calculate the product level 4 Since the microwave energy travels at the speed of light one complete measurement cycle is made up of sev eral thousands of Pulses The electronics uses Time Domain Reflectometry TDR a sampling technique to re construct a waveform duplicating the actual real time signal but at a much lower speed so that it can be proc essed by the microprocessor This process can be compared to using the stroboscope effect as when observing a piece of machinery turning at high speed with a strobe light 5 The measurement cycles are made 10 times per second and processed by special filtering techniques before generating a current output proportional to the level of the
29. ated by using the Linearization table After a power loss the unit goes to 4 ma before returning to normal Normal part of start up cycle reading 5 3 Electronics Module Replacement A defective electronics module can be replaced as follows 1 eee eS IS Before installing a new module record the KO and KG numbers off the new module for future reference The numbers are marked on the side of the module in the following format 1 KO KG 2 KO KG for ranges 1 or 2 respectively Remove the existing module by unscrewing the 2 flat screws holding the module in the housing Note the orientation of the module and unplug from the housing base Carefully unplug the coax cable connector from side of the module Plug the coax cable into the new module Plug module onto the housing base Secure the module to the housing by screwing the 2 flat screws Power the unit and using the LCD display go to the CFG menu to KO and KG and enter the numbers written down from the side of the new module for RNG1 or RNG2 RNG 1 is for probes lt 100 ft 30 5m The MT2000 is now ready for use without further calibration 6 6 1 HONEYWELL DE OUTPUT OPTION Interoperability and Conformance Class The DE option uses the Honeywell proprietary Digitally Enhanced Protocol for Smart Transmitters The confor mance class is as follows The DCS configuration should be set for Class 0 4 byte Mode Class 0 Continuous broadcast in burst mode of th
30. ausing significant control problems This situation is generally not a prob lem with a high DC fluid application because when the transmitter loses its echo it cannot see the cen tering disc through the fluid and therefore enters the transmitter s alarm mode generally set High 21 mA e ALRM As the level increases as described in SAT above when the level increases such that the transmitter loses the echo from the real level output is 20 56 mA the transmitter is prevented from seeing the centering disc below the engineering units entered in LRM If the transmitter sees no echo it will enter its alarm state 21 mA as programmed by the jumpers on the face of the module The trans mitters output now simply increases from 20 56 mA out of range saturation high to 21 mA Transmitter Failure Alarm High preventing any control upset When the level drops and the trans mitter re acquires the true level echo the transmitter s output will change from 21 mA Failure Alarm high to 20 56 mA measurement out of range high and then track the level downward to 20 mA URV and normal operation e LRM Low Range Margin the limiting distance below LRV 4 0 mA value at which a valid echo will be recognized This value is displayed and can be changed only when ALRM is se lected LRM is a positive value and can be up to 50 of sensor trim span This value is not critical and is typically set at 4 0 10cm e LRS
31. blish a known level in the vessel before commissioning s the MT2000 a demo MT2000 with a short probe can be used in a small container of the product to estimate the product dielectric constant with this procedure If this estimated DC is used we recommend verifying it later with a known vessel level that is as high as possible Example Using the same conditions in Step 6 we establish a level 24 from the top of the probe cable H 336 The readout on the MT2000 indicates 421 56 T Calculate DC as follows Refer to Figure 4 5 DC I H L H DC 421 56 336 360 336 DC 1 40 Note LRV and URV can be calculated using the procedure in Step 6 see page 15 1 4 5 Advanced Output Configuration 4 4 5 1 DAC Trim Figure 4 5 CAUTION DAC Trim causes the output to change from reading level to a lt fixed 4 ma or 20 mAdc If this is done while unit is in operation it can cause an alarm or shutdown The MT2000 Guided Wave Radar level transmitter is a truly digital transmitter The 4 mA and 20 mA values are set at National Bureau of Standards traceable values At individual facilities the standard values may vary slightly DAC Trim is used to force the MT2000 s 4 mA and 20 mA points to agree with an external meter or measuring de vice From DAC trim menu use the DOWN arrow and SELECT to set the 4 mA point and use the UP and SELECT for the 20 mA point 4 5 2 Setting the DAC trim 1 Connect an exter
32. dix A for Sensor Trim instructions e HTP Sensor High Trim Point defines a point on the sensor at which the display will indicate the value entered for HTP Refer to Appendix A for Sensor Trim instructions e LTC HTC Low Trim Counts High Trim Counts The Raw Counts that are determined by the transmitter for the Low and High Trim Points These values are shown as Display Only and are changed only if the transmitter is re trimmed e TMP Display only Module Temperature in Deg C e SOR Signal Out of Range SOR has two selections SAT Saturation ALRM Alarm This function can prevent the abrupt output mA change that is common in applications of low dielectric constant fluids in an EC chambers To take advantage of this programming the module s Failure Alarm jumper must be set HIGH and ALRM must be selected Description SAT normal operation and ALRM selections are described below e SAT Existing transmitter normal operation with a low D C fluid When the chamber level exceeds the URV the output will continue to track the level until the output saturates at 20 56mA Should the level continue to increase to the point that the level echo is lost the next echo that the module immediately recognizes is the centering disc at the end of the antenna Since the centering disc echo is being de tected through the low DC fluid it appears significantly below the actual distance and the output drives to 3 86mA saturated output c
33. e MT2000 Refer to Appendix A for the Sensor Trim information 2 Ifthe chamber does not remain totally flooded the interface measurement will not be correct 3 A means of venting all vapor gas must be incorporated This is typically accom plished by installing a bleed ring between the top flange on the chamber and the MT2000 4 A means of moving the interface between two known points is extremely beneficial and is generally ac complished using drain rings at the upper and lower process connections This will allow setting 0 and 100 interface levels at the transmitter to make calibration and resetting sensor trim if needed much more accurate 5 The MT2000 can only measure the interface between two liquids be operated in a chamber or vessel that MUST remains completely flooded If this condition is not met the measurement will be invalid If the installation will have a vapor space continuously present in top of the chamber the M4AI module MT2000 interface module must be used Refer to the MT2000 Total and Interface Level Transmitter Data Sheet on the K TEK website www ktekcorp com Figure 9 3 As discussed in the Ultra Low Dielectric Mode ULD section the signals rate of propagation or time of flight changes when passing through a low dielectric product Using this concept and the response of the MT2000 in a high dielectric an interface level can be determined and tracked In order to setup the calibration range o
34. e and Effect Diagnostic Analysis o Guided Wave Radar Level Transmi ar 2000 Radar cue Transmitter is classified as a Type B device according to IECB1508 h avine ga of 0 The analysis shows thal the device has a Safe Failure Fraction between 60 ane 90 lassu solver is programmed to detect over scale and under scale currents and therefore m ay ya singla devica The failure rates for the Guided Wave Radar Level Transmitter MT2000 are as Folge 1 66 10 9 failures per hour 663 10 9 failures per hour XY 216 10 9 failures per hour Failure rates according to IEG 61508 High trip 663 FIT 216 FIT 81 7 Note that the SU category includes failures that do not cause a spurious trip These failure rates are valid for the useful lifetime of the product which is gt 50 years A user of the MT2000 Guided Wave Radar Level Transmitter can utilize these failure rates in a probabilistic model of a safety instrumented function SIF to determine suitability in part for safety instrumented system SIS usage in a particular safety integrity level SIL The full background methods and analysis are documented in he complete FMEDA report Kiek 09 07 28 R002 v110 FMEDA MT2000 exida com iring ic Safety amp Standard W INS ion Drawings for Intri Installat APPENDIX H 9 8 NOLLYOOSS SOHVONYIS NWIO YN O YO WAINA AGLo OL JdgaAds SALON 404 39 d OL 83438 LNYLYOJNI AOST NWHL JOA 3Ly33N35 H
35. e following parameters PV1 Primary Variable Level 1 in PV Status OK Critical or Bad PV 6 2 Operating Modes The MT2000 transmitter with DE option can be operated in two ways selectable using the setup menu of the instru ment 1 DE Digital Mode In this mode the transmitter output is strictly digital and uses the Honeywell DE Protocol which modulates the loop current On and Off to transmit digital information per above Class Conformance defini tion 2 Analog Output Mode In this mode the Honeywell DE Digital Output is disabled and the transmitter is in a stan dard 4 20 mA output mode In this mode no digital communications are available NOTE The current MT2000 Honeywell DE does not support database information Ensure that the DB parameter in the DE menu is set to OFF 7 HART PROTOCOL INTERFACE OPTION The MT2000 transmitter is available with a HART Protocol Option In order to obtain proper communications a mini mum 250 ohm load in series with the loop wiring is required The HART protocol option allows for the use of the fol lowing communicators Other communicators and HART protocol interfaces can also be used subject to their capa bilities of supporting the GENERIC mode 7 1 HART Communicator The MT2000 is not a known product with a HART DEVICE DESCRIPTION The communicator will come up in GE NERIC mode This mode allows a limited number of commands The main commands available are READ OR WRITE OUTPUT UPPER RA
36. ectric ULD Measure Method To effectively measure the level of very low dielectric products a different methodology is needed due to the poor reflection of the pulse on the surface of the product This reflection is not strong enough to make a reliable level measurement To achieve reliable and precise measurement the MT2000 uses the Ultra Low Dielectric ULD measurement method This method requires the use of a flexible cable utilizing a weight target assembly at the bot tom end of a precisely known length The pulse travels through the air at a known velocity and then passes through the product at a reduced velocity depending on the product dielectric constant Note Reference Section 4 4 4 for ULD Mode setup and configuration 3 INSTALLATION 3 1 Mounting Requirements IMPORTANT To obtain the best return signal from the product level it is recommended to mount the MT2000 cou pler directly into the top of the vessel if the vessel material is metal or into a metal plate if the vessel is non metallic A flat metal surface perpendicular to the probe acts as a launch plate minimizing the loss of microwave energy from dispersion Figure 3 1 When this configuration is not practical the MT2000 can be installed in flanged nozzles as long as the mounting details are taken into account Please refer to the recommended mounting information as described in Appendix Mounting Configurations CAUTIONS 1 The housing cover can only be
37. eflect mode the ultra low dielectric mode of measurement may be used if the target at the end of the probe cable can be detected reliably with the vessel full We recom mend viewing the target reflection with an oscilloscope with the vessel full to verify that the measurement can be made reliably 2 A suitable target is required at the bottom end of the sensor probe cable A 3 minimum diameter centering disk with holes is suitable but needs to be on the cable above any weight 3 Setthe Threshold Level THV 1 5 V and the Gain Setting GS 2 4 Set BLK to reject any signal above the target Estimate BLK based on length of the probe cable BLK 170 L 3 8 L in inches 5 The following procedures assume that the MT2000 is set up with the factory standard trim values of zero at the top of the probe 6 Ifthe product dielectric constant is Known calculate the desired LRV 4 mA point and URV 20 mA point values with the following formula and example below I indicated level on read out with factory standard trim inches ft mm cm or m H actual or desired height above the target at the end of the probe cable L length of probe cable from the coupler to the target Same units as H DC product dielectric constant H SQRT DC H L Calculate I at the desired LRV and URV Make sure that EUN engineering units with the exception of percentage are set at the same units used in the calculation Enter the desired LRV and URV us
38. el or does not change with the level movement proceed to section 4 2 4 1 Quickstart Procedure cont d URV 20mA LRV 4mA 300 in 7620 mm 0 in 0 mm cat l ee EEA CFG HTP 288 es Raw Counts ae 2565 I BLK 210 Figure 4 1 4 2 Verify Proper Power Up Apply power to the transmitter and verify that the display comes up and is active The display update rate is approxi mately 4 seconds The current draw should under no case exceed 21 mA and in the event of a problem refer to trouble shooting section 4 3 Setting the 4mA and 20 mA Points Using the Pushbutton Menu The LCD Display Figure 4 2 option offers a menu driven setup that uses the UP DOWN and SELECT pushbut tons Refer to the menu diagram following this section for navigation and selection instructions Note The default factory setup is such that the instrument measures liquid level i e the display will indicate a num ber equal to the sensor length when the level is at the top of the vessel and will indicate a zero when the vessel is empty e Setting the 4mA point Under the CAL menu go to the LRV Lower Range Value menu option Press SELECT to change the value in En gineering Units for which the 4mA point is to be set With the default factory setup LRV is typically set to or near zero engineering units e Setting the 20mA point Under the CAL menu go to the URV Upper Range Value menu option Press SELECT to change the val
39. f the trans mitter one of the following needs to be available the dielectric constant of the upper liquid the actual level of the product or the ability to manipulate the product If the dielectric constant of the upper liquid is Known the calibration points can be determined using the formulas from the ULD mode As shown in drawing A the LRV can be deter mined with the formula LRV A ML Odc The URV can be determined using the formula URV A Odc If the dielectric constant of the upper level is not known but the actual level is known Using the same concept as above we can reverse calculate the dielectric constant and then determine the LRV and URV For instance if the actual interface level was at point A on the example figure on this page with that dimension being 6 inches and the displayed measurement from the transmitter was 8 5 inches Divide the displayed value by the actual value 8 5 6 1 416 Squaring this answer will result in the dielectric constant of the product 1 416 2 00 Now that the dielec tric constant is Known the LRV and URV can be set using the previous formulas If the level can be manipulated the calibration points can be set using the push buttons One thing to note at this point is that the calibration points are not going to match the actual liquid level and may be confusing to some cus tomers In addition the range of the calibration will not correspond to the actual measured movement of the level T
40. g even when no product is in the vessel For probe configuration 1 2 5 6 or 7 Appendix G use the factory default BLK BLK can be changed by accessing SET followed by the CFG menu refer to menu chart If the MT2000 is installed in an extended nozzle or other configuration where the top of the tank is further than 1 inch from the probe coupler set BLK as follows For probe length lt 100 ft 30 5 m add 4 to the BLK value for every 1 in 2 5 cm of tank nozzle For probe length 2 100 ft 80 5 m add 2 to the BLK value for every 1 in 2 5 cm of tank nozzle Example RS 1 Nozzle length 10 BLK 200 4 10 240 To verify settings are correct proceed to CFG menu Scroll down to RC Raw Count value display RC Raw Count will decrease as levels rises and increase as level lowers Caution if RC value exceeds 4 digits then the first digit is shown on the top line of the display If RC stays at a fixed low value around 2000 while the level changes the BLK is set too low and needs to be ad justed Raise the level and stop when RC stops decreasing or top of the vessel is reached whichever comes first If RC stops decreasing before the top level is reached reduce the BLK To determine the actual level using Raw Counts use the following formula RC 2100 38 Distance in inches Distance x 38 2100 Expected Raw Counts RC Typical BLK Factory settings Transmitter Configuration from Model Number Probe length lt 100 ft
41. he distance as if the level was at the place where the probe was cut off as the lowest value and read the change in EUN correctly FROM THAT POINT to the URV Example MT2000 was shipped and trimmed with a 10ft probe The probe was shortened by removing 3ft leav ing the total length at 7 0 ft If the transmitter was installed with no further correction the transmitter display LL1 will indicate 3 0 ft with the level at the end of the probe and 10ft with the level at the top a change of 7ft To set the transmitter to transmit 4 20 mA over the length of the probe the following settings would need to be entered in the CAL menu LRV 3 0 ft and URV 10 0 ft If this is not desirable one of the following can be done 1 Change EUN The level will now be shown LL1 as 0 0 to 100 0 Note LRV 3 0 ft URV 10 0 ft in this example 2 Enter L1O 3 0 ft The unit will now display 0 0 ft to 7 0 ft for the above 7 0 ft level change LRV and URV must be set LRV 0 0 ft URV 7 0 ft accounting for the offset matching the display 0 0 to 7 0 ft 3 Re trim the unit to the actual sensor length see Sensor Trim Section Appendix A 3 3 MT2000 Guided Wave Radar Guidelines These guidelines are not absolute limits but rather limits that will ensure optimum performance and ease of configu ration Cable sensor probe is preferred over rigid rod Cables in tube or Pipe e Use P11 3 16 DIA cable In 3
42. ing the Calibration Menu of the MT2000 After the LRV and URV have been entered change the engineering units to so that the MT2000 display will indi cate level relative to the vessel Example Probe length L is 360 from the target to the coupler The product dielectric is 1 4 Desired 4 mA point is 12 above the target H 12 Desired 20 mA point is 24 below the coupler H 336 See Fig ure 4 5 LRV H SQRT DC H L URV H SQRT DC H L LRV 12 SQRT 1 4 12 360 URV 336 SQRT 1 4 336 360 LRV 362 20 URV 421 50 Set LRV and URV to these values and then change EUN to If EUN are not changed to the indicator on the MT2000 will indicate 362 20 at 4 mA and 421 56 at 20 mA If the product dielectric constant is not known establish a known level in the vessel The most accurate results will occur when the known level is as high a possible Use the following formula to calculate the product dielectric con stant I indicated level on read out with factory standard trim inches ft mm cm or m H actual or desired height above the target at the end of the probe cable L length of probe cable from the coupler to the target Same units as H DC product dielectric constant DC I H L H After determining DC go to the previous Step 6 above to complete the setup 4 4 4 Ultra Low Dielectric ULD Mode Configuration cont d Gout If it is not practical to esta
43. ion Menu LL1 Liquid Level 1 END Exit Calibration Menu 3 p L1C Level 1 Current N lt 1 CONFIGURATION MENU DE Output 4 lt DE Menu if ordered f SETUP MENU i EUN Set Engineering Units CAL Enter Calibration Menu r In ft mm cm m or CFG Enter Configuration Menu lio Set Level 1 Offset J END Exit Setup Menu ko Module Offset 2 k f Ka Module Gain p LINEARIZATION MENU x THY Threshold Voltage 001 Output Point 1 z Rca Raw Counts E 002 Output Point 2 D I BLK Blanking Value sy es Gain Settings J 020 Output Point 20 D y LcH Latching Settings D LIN SAVE Save Linearization Table D va DRC Downward Restriction Count LIN LOAD Load Linearization Table ry i ALD Alarm Delay gt LIN RSET Reset Linearization Table D Va END Exit Configuration Menu gt END Exit Linearization Menu J I Y DE Menu optional DE ON OFF Turn DE output ON p DB ON OFF Extended Information END Exit DE Menu D To LL1 Press DOWN amp SELECT together for 4mA trim or UP amp SELECT together for 20 mA trim Available on DE output models only 4 4 Detailed Configuration Parameters 4 4 1 Direct Mode Blanking Menu Note This section only applies to direct mode measurement The blanking parameter BLK is used to ignore an extended nozzle that would otherwise cause a reflected signal at the top of the probe and result in a high level readin
44. its EUN or any other number requires more than 4 digits to display the most significant digit will appear as the last digit on the top line giving a possibility of displaying 5 significant digits up to 99999 4 5 4 4 20 mA Output Damping DMP Damping helps to reduce the affects of rapid or irregular movement of the fluid level in a tank or vessel Damping simply adjusts the time between readings A higher number allows for more stability e The output damping can be changed from the DMP in the CAL menu e The factory default damping setting is 0 8 sec 4 5 5 Bench Calibration of the 4mA amp 20mA Points After the transmitter is configured correctly a manual bench calibration of the 4mA and 20mA points using hands or targets can be done as follows Note The following applies to single or dual Rod and Cable probes only Other assemblies such as coaxial probes must be calibrated with products If the probe is a rod position it so that it stands clear of any objects minimum of 6 in 152 mm For support use only very low dielectric materials such as Styrofoam blocks If the probe is a cable hang the cable vertically in open space or place it under tension between the coupler and cable end An open palm of the hand or a metal plate can be used as a target if placed perpendicular to the probe Use the front of the hand as the measuring surface and place rod between two middle fingers A suitable metal target can be a 6 in 152 mm dia
45. l environments wide variations in operating tempera tures and pressures and low dielectric constants Great strides have also been taken in making these units easier to configure to a variety of process applications coupled with the simplicity of integrating these devices with most digital communication protocols These improvements come as welcome relief to process engineers within an ex panded range of level applications across several different industries that seek solutions to measuring the contents of tanks silos hoppers bins mixing basins and vessels Because radar transmitters have no moving parts radar has already established a dominant niche in level measur ing that quickly distances itself from mechanical means which don t hold up as well in dirty service Radar achieves its non mechanical level detection capability by measuring the time of flight of the transmitted signal Known more accurately as Time Domain Reflectometry TDR the process involves 1 Sending microwave energy down into a vessel 2 When the pulse of radar energy reaches the product indicated by a change in impedance part of the pulse is reflected back toward the transmitter 3 A receiver measures the exact duration of time between the transmitted and reflected signal the time of flight 4 The device analyzes this time and ultimately displays the level of the product as a distance in feet me ters or other engineering units Through air technology
46. meter plate with a slot or hole in the center to slide over the sensing rod This method will simulate high dielectric product such as water e Setting the 4mA point e Enter the calibration mode by pressing the UP amp DOWN buttons together for 3 seconds e Place hand or target at 0 level and press the DOWN button for 1 second to set the output at 4 00mA e Setting the 20mA point e Enter the calibration mode by pressing the UP amp DOWN buttons together for 3 seconds e Place hand or target at 100 level and press the UP button for 1 second to set the output at 20 00mA Note The above steps can be repeated as many times as required The easiest way to set the 4 mA and 20 mA points is through the CAL menu as described in Section 4 3 4 5 6 4mA amp 20mA Calibration Using Actual Level Input A manual calibration of the 4mA and 20mA points using the actual vessel level can be done as follows e Setting the 4mA point e Enter the calibration mode by pressing the UP amp DOWN buttons together for 3 seconds e Establish a tank level of 0 and press the DOWN button for 1 second to set the output at 4 00mA e Setting the 20mA point e Enter the calibration mode by pressing the UP amp DOWN buttons together for 3 seconds e Establish a tank level of 100 and press the UP button for 1 second to set the output at 20 00mA Notes The above steps can be repeated as many times as required e Should CALIBRATE be entered inadvertently pressing SELEC
47. mitter power must be cycled OFF and ON The alarm output works in conjunction with the ALD setting accessed from the configuration CFG menu The out put will go to alarm state only if there is a loss of signal that lasts at least the duration of the alarm delay The alarm delay default value is two 2 seconds For instance the output will hold the last measured value if there is a loss of signal lasting less than two 2 seconds and will go into the alarm condition if the loss signal exceeds two 2 sec onds 4 5 8 2 WRITE PROTECT right jumper When the jumper is in the lower position the transmitter configuration cannot be changed manually or with a hand held communicator Figure 4 7 Write Protect Jumper shown in OFF Position EN Fault Jumper k Fail Low 3 6 mA Fault Jumper shown in 21 00 mA Ae 7 ons Fail High 21 00 mA fail high position Write Protect ON lower position Disable Changes from Com municator or Manually OFF upper position Enables Changes Figure 4 7 5 TROUBLESHOOTING INFORMATION Use a milliamp mA meter to measure the output current When power is applied the output will go to 4 00 mA for at least one 1 second and then to either the measured level or an alarm condition output If this does not happen the transmitter may not be receiving enough power or the main electronic is defective Excessive current
48. mmended to save a copy of the table to allow reloading of the table from a previous save To save the current linearization table Under the CAL menu Scroll to LIN TABL then press Select Scroll up to LIN SAVE then press Select To load a saved linearization table Under the CAL menu Scroll to LIN TABL then press Select Scroll up to LIN LOAD then press Select 9 4 APPENDIX D Interface Applications MT2000 Interface lt is possible to use an MT2000 to determine the level of an interface but certain require ments must be met 1 The dielectric constant of the upper liquid must be low between 2 and 3 2 The dielectric constant of the lower liquid must be higher than the upper liquid 10 or greater 3 The interface layer must be contained within a few inches 4 Ameans of venting all vapor gas from the top of the chamber must be available 5 The standard MT2000 can only measure the interface of two liquids in a completely flooded chamber For interface measurements with vapor space above the upper fluid the MT2000 interface option must be used Refer to the MT2000 Total and Interface Level Transmitter Data Sheet on the K TEK website www ktekcorp com _ LRV A ML OlLac a CAUTION URVA OlLa oro 1 If the dielectric constant of the upper phase varies it will have an impact on the o d accuracy of the measurement Should it change significantly it can be necessary to re trim th
49. nal meter or refer to measuring device for 4 mA point Press DOWN arrow and SELECT buttons together for one 1 second to select 4 mA point Use select button to scroll through numbers Use UP and DOWN arrows to adjust the number to agree with meter 3 Press UP arrow and SELECT buttons together for one 1 second to select 20 mA point Use select button to scroll through numbers Use UP and DOWN arrows to adjust the number to agree with meter 4 To exit DAC trim menu use the UP or DOWN arrows to scroll until END appears in LCD Press SELECT and the MT2000 will return to normal working mode 4 5 3 Displayed Engineering Units EUN The unit is capable of displaying level output in inches feet millimeters centimeters meters or in percent of range e Selecting an Engineering Unit e Under the CFG menu go to the EUN menu option e Press SELECT then press UP or DOWN to cycle between engineering units When the LCD is displaying the intended unit press SELECT once more to set the engineering unit the display should stop blinking If the transmitter will not accept the engineering units change attempting to be made it indi cates that there is an overflow in digits based on a value 50 greater than the sensor trim span HTP LTP x 150 This is most likely to occur when attempting to change the existing EUN to mm millimeters The module will not accept the new EUN and revert back to the previous EUN selection Note If the engineering un
50. nsor output To access the linearization table Access the CAL menu and use UP ARROW to scroll to LIN TABL then press Select To clear the linearization table Access the linearization table and scroll up to LIN RSET then press Select to clear the table Setting up Linearization Table Points Probe Length Table Points 24 Probe 0 1 0 5 1 1 5 2 0 3 0 4 0 6 12 0 18 19 20 21 23 48 Probe 0 1 17 2 3 4 6 12 24 36 42 43 44 45 46 47 120 Probe 0 3 6 12 24 36 48 60 72 84 96 108 114 117 119 Notes on Linearization Table Usage e A point may be removed zeroed out from the table by entering 0 for its value If a point is zeroed out it is ignored when measurement output is calculated e For all points in the table all points must be increasing in measurement with the exception of zeroed points therefore it is recommended that when setting up the table points should be set up sequentially from lowest to highest measurement e t is also recommended to leave several zeroed points between active linearization points for later use if needed without having to rebuild the entire table e A zeroed point may be set again provided it is increasing with respect to the previous points in the table list Saving Loading a Linearization Table Because setting up the linearization table can be a time consuming process it is reco
51. o compensate for this the transmitter can be re trimmed in process if the level can be manipulated Note that the 38 raw counts per inch will change when this is done It may also be necessary to re trim the unit if the LRV falls at an unacceptable level recognized by flashing numbers on the LRV screen This can occur if the probe is short or the dielectric constant of the upper liquid is higher than 2 K TEK recommends that the EC or other chamber used have a vent and drain to truly set the interface at real world points in other words fill to the upper connection with water and then drain the water down till the oil water interface is at the CL of the lower nozzle 9 5 9 5 1 APPENDIX E Oscilloscope Use amp Setup for Troubleshooting General Setup Connect Channel A to Pin 6 Connect GND to Pin 3 Connect Trigger to External to Pin 4 Set Volts to 500 mV div Set Time to 50 uSec div Your output should resemble this LHE Pin 6 Return Pin 1 Signal Not used Pin 5 Pin 2 Not used Not used Pin 4 Pin 3 Sync Pulse Ground or Common Figure 9 4 9 5 2 Use and setup of the oscilloscope for the MT2000 Prerequisites e Requires a Dual Channel Oscilloscope e Procedure is based upon Fluke portable Oscilloscopes Scope Settings Channel A Connect Probe A tip to Signal 2
52. oduct to a known level about 10 inches below the maximum level 4 Using the LCD menu access HTP Use the Select and UP and DOWN buttons to set the value to the engi neering value of the actual level in the current units The engineering unit measurement can be set with a zero reference at any point on the probe Example 1 below illustrates how the factory default setup is configured Example 2 provides an inverted sensor setup if it is desirable FACTORY DEFAULTS INVERTED SENSOR TRIM EU referenced to Bottom of Vessel EU referenced to Top of Vessel Measures Product Level Measures Tank Ullage ma C EU m C EU 20 mA URV 20 gt 20 mA URV 0 HTP 19 5 LTP 1 T LTP 5 HTP 19 5 LRV 0 0 LRV 20 Example 1 Example 2 Figure 9 1 The sensor trim is now complete and the LRV has been set to equal 0 and URV has been set to the value of HTP If other LRV and URV are desired then proceed to the CAL menu and change LRV and URV accordingly If the level cannot be moved the transmitter must be removed for re trimming Please contact the factory before trimming to confirm the procedure to follow Should the trim be suspected of being corrupted please consult the fac tory The transmitter can be brought back to the factory calibration conditions by performing a 3 Button Reset This is accompli
53. omer service team service ktekcorp com to determine an optimal solution for shipping method and turnaround time The product with repaired or replaced parts shall be returned to the purchaser at any point in the world with transportation prepaid by K TEK for best way transportation only K TEK is not responsible for expedited shipping charges If the product is shipped to K TEK freight collect then it will be returned to the customer freight collect If inspection by K TEK does not disclose any defects in material or workmanship K TEK s normal charges for repair and shipment shall apply minimum 250 00 USD The materials of construction for all K TEK products are clearly specified and it is the responsibility of the purchaser to determine the compatibility of the materials for the application THE FOREGOING WARRANTY IS K TEK S SOLE WARRANTY AND ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR PURPOSE ARE EXCLUDED AND NEGATED TO THE MAXIMUM EXTENT PERMITTED BY LAW NO PERSON OR REPRESENTATIVE IS AUTHORIZED TO EXTEND ANY OTHER WARRANTY OR CRE ATE FOR K TEK ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF K TEK S PRODUCTS THE REMEDIES SET FORTH IN THIS WARRANTY ARE EXCLUSIVE OF ALL OTHER REMEDIES AGAINST K TEK K TEK SHALL NOT BE LIABLE FOR ANY CONSEQUENTIAL INCIDENTAL OR SPECIAL DAMAGES OF ANY KIND K TEK S SOLE OBLIGATION SHALL BE TO REPAIR OR REPLAC
54. removed when the unit is installed in a non hazardous area when in stalled with intrinsic safety barrier or when power is removed from the transmitter 2 Tanks constructed of concrete additionally require probe mountings be a 1 ft 0 3 m from wall with up to 20 ft 6 1 meter measuring length b 2 ft 0 61 m from wall over 20 ft 6 1 meter measuring length CORRECT INCORRECT Figure 3 1 3 2 Shortening of Probe The MT2000 single probe can be cut to length prior to installation The MT2000 default factory configuration pro vides a measurement in engineering units with a zero referenced to the bottom of the sensing probe The top of the probe yields a measurement equal to the probe length Figure 3 2 _ _Probe Length Factory Default Configuration The default factory setup is with the instrument meas uring level This means that the display will indicate URV Probe Length a number equal to the sensor length when the level is at the top of the vessel When the vessel is empty it LRV Oin O mm will indicate zero If readout in level measurement units is not desir able engineering units can be set to percentage This will provide the readout in percentage of total level referenced to the 4 mA and 20 mA points LRV and URV If percentage tank level readout is not desirable ea ee proceed to Sensor Trim Section Appendix A Figure 3 2 If the probe is shortened the unit will indicate t
55. s laser transmitters LPM200 digital indicator DPM100 digital indicators APM100 analog indicators KVIEW series digital indicators and controllers SF50 and SF60 vibrating fork switches KB Electro Mechanical Continuous Measuring Devices KSONIK ultrasonic level switches transmitters amp transducers ChuteMaster Microwave Transmitter Receiver and TiltMaster Switches SPECIAL WARRANTY CONSIDERATIONS K TEK does not honor OEM warranties for items not manufactured by K TEK i e Palm Pilots These claims should be handled directly with the OEM K TEK will repair or replace at K TEK s election defective items which are returned to K TEK by the original pur chaser within the period specified above from the shipment date of the item and which is found upon examination by K TEK to its satisfaction to contain defects in materials or workmanship which arose only under normal use and service and which were not the result of either alterations misuse abuse improper or inadequate adjustments ap plications or servicing of the product K TEK s warranty does not include onsite repair or services Field ser vice rates can be supplied on request If a product is believed to be defective the original purchaser shall notify K TEK and request a Returned Material Authorization before returning the material to K TEK with transportation prepaid by the purchaser To expedite all returns repairs from outside of the United States consult K TEK s cust
56. shed by simultaneously pressing UP DOWN and SELECT This action is generally recom mended as a last resort prior to returning the transmitter to the factory for analysis repair if needed and re calibration 9 2 APPENDIX B Additional Special Functions in the CFG2 Hidden Menu These functions are accessed by pressing the UP and DOWN buttons together when the LCD display is on END at the end of the CFG menu Enter the Sensor Trim menu and scroll down to access the following func tions Configuration 2 Hidden Menu END CFG MENU RNG Range LTP Low Trim Point HTP High Trim Point LTC Low Trim counts HTC High Trim counts TMP Module Temperature SOR Signal Out of Range ALRM LRM Low Range Margin LRS Low Range mA SAT Arrow Select LL1 Liquid Level 1 Main Menu Figure 9 2 9 2 APPENDIX B Additional Special Functions in the CFG2 Hidden Menu continued These functions are accessed by pressing the UP and DOWN buttons together when the LCD display is on END at the end of the CFG menu Enter the Sensor Trim menu and scroll down to access the following functions e RNG Range Selection Select Range 1 for sensors lt 100 ft 30 5 m and range 2 for sensors 2 100 ft 30 5 m e LTP Sensor Lower Trim Point defines a point on the sensor at which the display will indicate the value entered for LTP Refer to Appen
57. table signal along the length of the probe Typically used in solids with a DC above 1 3 and below 2 0 Linearization Table Twenty step table inside the MT2000 electronics which can be used to correct the raw signal in situations where the Output is not linear Stilling Well Metallic Sleeve that the MT2000 probe is inserted inside Allows probe to be used in lower DC and in situations where there is significant turbulence Coax Probe Probe style similar to the MT2000 installed in a Probe Well but with a much smaller diameter pipe Can be inserted through a 3 2 NPT fitting Typically used on very clean fluids or compressed gas products 9 APPENDICES 9 1 APPENDIX A Sensor Trim Sensor trim is preset at the factory for a specific type of probe installation and application condition Re trimming in the field should not be necessary unless a major change in antenna length 40 is required Low Trim Point LTP and High Trim Point HTP are the points used to define the measuring range of the unit The lin ear value in engineering units and the corresponding raw counts representing that location are stored in the module can now for each trim point The module determine the level measurement on the sensing probe based on these trim points established Key CAUTION Changing LTP or HTP will clear the linearization table points since it consists of re ranging the instrument To access the Sensor Trim menu press the UP and
58. tes wasted time as the need no longer exists to spend time programming a unit to ignore erroneous readings from the sides of the tank The advantages to guided wave radar clearly play out when it comes to meeting the real world challenges faced by engineers in correctly determining product levels within storage and processing containers 2 OVERVIEW 2 1 Storage Information If required storage prior to installation should be indoors at ambient temperature not to exceed the following Temperature range 40 to 150 degrees F Humidity 0 to 100 R H non condensing 2 2 Ambient Temperature The MT2000 electronics temperature may not exceed 170 F 77 C For higher ambient temperatures a high tem perature option extension is required The probe process temperature shall not exceed the temperature stated in the specifications for the given coupler 2 3 Description amp Principle of Operation 2 3 1 Direct Reflect Mode standard The MT2000 is a 4 20mA loop powered Smart Level Transmitter which is microprocessor based and is available with HART or Honeywell DE digital output It uses very low power microwave energy to determine the level of the product being measured In order to obtain optimum performance it is important to understand the basic principle of operation The electronics housing is typically fitted with a special adapter Coupler serving as a process connection and seal and holding a solid rod or a cable The rod or c
59. ue in Engineering Units for which the 20mA point is to be set With the default factory setup URV is typically set to or near the actual probe length Note The above steps do not require changing the level in the vessel Engineering Units or Calibration Mode 4 digit Display Electronics LCD Display Figure 4 2 4 3 1 LCD Menu Operation The LCD display is menu driven uses the UP DOWN and SELECT pushbuittons for navigation e Press UP or DOWN to scroll through menu options Press SELECT to select a menu option When changing a variable use SELECT to move between signs or digits When all digits flash an invalid value has been entered press SELECT to continue 1 2 POWER UP i gt lt Auto Scroll Mode CALIBRATION MENU I a Liquid Level 1 LRV Set Lower Range Value at 4mA Point y A C Level 1 Current URV Set Upper Range Value at 20mA point la DMP Set Damping Value 1 to 36 Sec Press SELECT to exit Auto Scroll Mode MAIN MENU DAC TRIM t Enter DAC Trim Menu D SET Enter Setup Menu LIN MENU Enter Linearizat
60. valent depending on your version of AMS 8 GLOSSARY OF TERMS EU URV LRV KO KG BLK THV GS HTP LTP ULD LT Engineering Units Display units selection inches mm feet etc Upper Range Value Location on the transmitter sensor to set as the 20 mA output Lower Range Value Location on the transmitter sensor to set as the 4 mA output Electronic Module Offset Calibration data for each unique electronics module for the MT2000 Electronic Module Gain Calibration data for each unique electronics module for the MT2000 Blanking Area at the top of the probe that you do not want monitored for process signal return Usually increased by a value of 4 per inch of nozzle Default factory value of 210 Threshold Voltage Minimum value that the return pulse voltage must be to indicate to the electronics it is a real value Typical factory value to 1 5 Gain One of four different values 1 2 3 4 which tell the electronics which algorithm to use in determining the value of the return pulse High Trim Point Reference point near the area at which the high Engineering Units value for the transmitter will be set To be set prior to LRV and URV Low Trim Point Reference point near the area at which the low Engineering Units value for the transmitter will be set To be set prior to LRV and URV Ultra Low Dielectric Mode Method of operation of the MT2000 that allows its use in situations where there is no detec

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