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DCN 360199-1.2Rev.AUserGuide-psi(504FT)

Contents

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14. average gt Pipe Cross Section High Velocity Reynolds Number Turbulent Profile At higher flow rates a flatter velocity profile develops where the peak velocity is closer to the average So depending on where the sensor is located it will read a different fraction of the average velocity It is the average velocity multiplied by the cross sectional area that will obtain the total flow Series 504FT User s Guide A6 DCN 360199 1 2 Rev A Kurz Instruments Inc Correction Factors The use of a velocity dependent correction factor can convert the local velocity measurement to average velocity Flow Atea cf V oca cf v Correction Factor Vpeak Vaverage 70 2000 4000 6000 8000 1404 1 2910 v Sensor local velocity SFPM The above correction factor curve was measured from 4 ID pipe with a 1 2 welded support triple sting CD sensor For other sized ducts the data can be scaled by the Reynolds Number Use Of The Flow Equations In The Kurz Mass Flow Computer Single Point Insertion Flow Elements like the 410 450 452 and 454FT flow transmitter are calibrated as velocity devices in gas X You can display standard velocity or with application specific information you can display standard volumetric flow and mass flow Area Sensor and probe support blockage Correction factor velocity profile Gas specific gravity when reading mass flow Series 504FT User s Guide 7 DCN 3601
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16. Calibrated rates are about 1 5 times the expected maximum So 41 49 SCFM x 1 5 60 SCFM Series 504FT User s Guide 10 DCN 360199 1 2 Rev Kurz Instruments Inc Appendix B Product Approvals Series 504FT User s Guide Bl DCN 360199 1 2 Rev A Kurz Instruments Inc 2411 Garden Road Monterey CA 93940 USA 831 646 5911 www kurz instruments com Series MFT ATEX Declaration of Compliance In accordance with European Economic Area Council Directive 94 9 EC for equipment used in potentially explosive atmospheres the following Kurz Instruments Mass Flow Transmitters are in compliance with the ATEX requirements for Group Category 3 explosive Gas and Dust atmospheres x Il 3 GD Series 454FT a a Probe support diameters 08 12 16 16 of an inch 454PFT 16 Category 3 only Series 504FT b Series 524FT b Series 534FT b Series 544FT c b Flow Body diameters 6A though 96 16 of an inch c Flow Body diameters 4 to 36 inch All the above models have been designed and manufactured to the EN50014 and EN50021 Standards for non incendive and the combustible dust requirements of EN50281 1 1 They are marked EEx nA T4 for the powered product and T5 for the 24 VDC version Temperature range is 20 to 60 C ambient with IP66 enclosure protection The maximum process pressure is 300 PSI or 20 bar except the 544FT which is only a few PSI heating ventilation duct work The above models have also b
17. You can continue as described above or abort by pressing C twice in this case which works at any screen to exit menu screen and move up to the next menu level To setup the VCF for temperature you enter these setup screens from Program mode Meter 2 Temp press E then press P until you reach VCF setup SBCF Setup The SBCF is applicable only to Insertion flow meter To setup the SBCF you enter these setup screens from Program mode Meter 1 Flow press E then press P until you reach the following TYPE sensortype The sensor type is necessary in the calculation of the SBCF The FD12 is the only one available that is a Large Dual Stainless Metal Clad Sensor with a 3 4 inch probe support Press E or P to advance the next screen ENTER SUPPORT DEPTH XX XXX FT You enter the insertion depth of the probe The depth is measured from the sensor middle to the wall of the pipe or duct The minimum insertion depth is 0 15 Feet or 0 046 Meter Series 504FT User s Guide 29 DCN 360199 1 2 Rev A Kurz Instruments Inc Press E or P to advance the next screen SBCF IS X XXX This is a status screen showing the SBCF computed from the sensor type sensor support depth and area of the duct or pipe Press E or P to advance the menu Low and High Kick Out Sensor kick out is a fault condition you can set to remove a sensor whose flow reading or temperature reading is out of bounds Sensor kick out will set the NE 43 alarm if turned on
18. p dsip u pe pbjdsip eq uoo 3 fj JO BY S SIUL al 1 SIN3ATIMISNI ZANA AB NI 03240 ATIV2IJO3dS SV 1433 3 35094 9 N3Hl0 304 YO 303 5 10 01 035012514 30 035 YO SIN3Nn20Q W3H10 01 Q3uN3JSNVMI YO Q30n Oud3H 3H 11 5 035012510 NOLLVNBHOJNI YON 1 200 SIHI 33H1I3N NI343H 035012510 NOLLVMHO NI HL 38V SLHOIY A VI3BidONd SLNAWNYLSNI ZANJ Kurz Instruments Inc Appendix G MFT Serial Communications Setup Guide G1 Kurz Instruments Inc The Kurz Instruments Series MFT Mass Flow Transmitter Models has three modes of data communications using the RS 232 or RS 485 interface They are available on the MFT firmware version 1 2x or later The three communication modes are the following 1 Remote Terminal 2 Data Logging 3 Modbus Protocol ASCII and RTU The three modes of data communication use a common serial port of the microprocessor thus only one mode can be used at time The RS 232 and RS 485 interfaces also use the same port of the microprocessor so they cannot be used simultaneously The Remote Terminal mode is used with the RS 232 or RS 485 Full Duplex to communicate with a computer terminal PC or Laptop This mode is usually used to setup the configuration of the Series MFT and to Upload or Download the configuration files RS 232 or RS 485
19. Calibration does not track with temperature 4 20 mA output is noisy Cross talk between Isolated 4 20mA outputs Temperature reads high Temperature reads low Series 504FT User s Guide Measurement is not actual velocity Unit measures density x velocity or mass rate per unit area See for information on converting to actual velocity Should you have used the VTM calibration method Is there a temperature profile near the sensor e g hot duct center cold outside If you think it still is not tracking it may be a defective sensor or bridge board Missing ground Poor electrical contact Make sure all electrical connections are clean and tight Isolated 4 20mA outputs may be tied to unnecessary grounds or the outputs are jumpered in the self powered instead of the loop powered 4 20 mA output configuration causing them to be nonisolated Check 5 wire sensor wiring for TS version At zero flow it will read about 10 F above ambient Above 50 SFPM it will be within a few degrees of the correct temperature What is your programmed output scale Sensor is defective Bridge board input calibration is off or a defective board Check 5 wire sensor wiring for TS version What is your programmed output scale Sensor is defective Bridge board input calibration is off or a defective board 57 DCN 360199 1 2 Rev A Kurz Instruments Inc Unit will not boot up correctly Di
20. Connect using and select 1 2 or COM3 depending what communication port you are using then click the OK button e Another window will pop up called Port Setting This is where you configure the RS 232 communication parameters At the box labeled Bits per second select the proper baud rate configured in the Series MFT the default Series MFT baud rate is 9600 baud If the MFT unit baud rate is set at 9600 baud select 9600 baud in this box At the Data bits box select 8 the Parity box select None Stop bits box select 1 and the Flow control box to None Click the OK button when everything is selected At this point you should see data on the program window received from the Series MFT f no data is being received press the key on the keyboard to command the Series MFT to start echoing data Save the connections for future use by clicking the File menu then Save Setup for Data Logging Mode The Data logging mode is an extension feature of the Remote Terminal mode When this feature is available the Series MFT allows the user to setup a periodic log interval for the Series MFT to log data to a serial device like computer terminal or serial printer In addition the Series MFT can be forced to log the data by using the 1 L key from the local keypad command The format of the data is a text string consists of three lines terminated with the RETURN character ASC
21. Option 0 No 4 20 mA Ouptuts 2 Two 4 20 mA outputs loop powered optically isolated SECOND DIGIT OF FEATURE 6 LCD KEYPAD Option Description 0 No LCD Keypad and enclosure lid without window Includes back lit LCD with 20 button keypad and enclosure lid with window FEATURE 5 SPECIALTY GAS CALIBRATION Note Option Description De faena 1 RS 232C or RS 485 Jumper Selected serial port echoes the display ovd Cialis and permits remote keypad entry for use with a PC running a terminal 01 Air 2 emulator program supports configuration Upload Download Dry Ammonia 56 2 Option plus a read only command set for all METERS including the log L or summary command 08 Argon 58 3 Option with RS 485 Multi Point Modbus ASCII RTU protocol with 10 Butane Simulated with Propane 60 read only control of the Smart Mass Flow Transmitter 14 Carbon Dioxide 64 Dry Chlorine 68 FEATURE 8 SAFETY APPROVAL 20 Ethane 70 Option Description 22 Ethylene 72 12 Non Incendive NI Class I Div 2 GPS ABCD T5 DC Powered AC Powered EEx nA IL T5 DC Powered T4 AC Powered CSA 2 Helium 16 CENELEC meets Atex Directive 94 9 28 Hydrogen 18 22 Explosion Proof XP Class I Div GPS ABCD T3C Ex d IIC T3 32 Methane 82 Class II Div Groups EFG CSA 34 Natural Gas Simulated with Methane 84 23 Flameproof FP EEx d CENELEC 35 Digester Gas 5076 C
22. able The 504FT has CE and Y2K Compliance and haz ardous gas safety approvals Kurz is ISO 9001 certified IN LINE MASS FLOW TRANSMITTERS KEY FEATURES Easy to use menu for display and set up with HELP screens Two line 16 character back lit LCD with twenty button keypad optional User selectable scrolling display Adjustable LCD Keypad orientation allowing ease of reading the display for horizontal or vertical installations Twenty four hour clock calendar Year 2000 compli ance four digit year Two optically isolated loop powered 4 20 mA outputs one for mass flow rate one for process temperature optional 4 20 mA outputs meet NAMUR NE43 recommendations Two optically isolated solid state alarm relays optional Pulsed output for use as a remote flow totalizer optional User selected English or Metric units SFPM SCFM SCFH PPM PPH F SMPS SLPM SCMH KGH C Multi Point calibration correction factors for Flow and Temperature User entered METER ID Number Programmable sensor out of tolerance indication and alarm functions User may change STP reference conditions User selectable digital filtering for each METER Built in flow totalizers and elapsed time User Access Code Selectable RS 232C or RS 485 Serial port for terminal operation NEMA 4X 7 dual chamber epoxy painted electronics enclosure CE Compliance meeting the European Community requi
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25. followed by E to accept the entry As with all the other program menus P will skip to the next menu C will clear the menu category leaving this screen without changes Time and Date The Series MFT have a battery backed up real time clock This is used only to annotate the menu screens and log output The real time clock is not used for any flow calculations It is Y2k compliant between 1900 and 2050 showing a four digit year You Series 504FT User s Guide 35 DCN 360199 1 2 Rev A Kurz Instruments Inc get to Time amp Date category from Program mode then press the P key until you reach the following PRESS E TO SET TIME amp DATE You press the E key to enter the time and date menu HH MM MM DD YYYY HH This screen is where you enter the hour in 24 hour format You can type two digits from the keypad or change with the v keys followed by pressing E to advance to the minutes The process repeats for all entries hours minutes month day year You can escape with partial changes with the C key instead of pressing E consecutively Log Interval The 4 command or L key log can be automatically initiated by the series in one minute intervals or completely turned off The log data is transmitted out the RS 232 RS 485 port to a remote computer terminal printer whatever you have connected to that port You get to the Log Interval category from Program mode then press the P key until you reach the following
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28. 18 5 9 3 5 4 504 8 20 36 10 18 5 9 504FT 12 40 72 20 36 10 18 504FT 16 75 135 40 72 20 36 504 24 150 270 100 180 50 90 504 32 300 540 150 270 100 180 504FT 40 400 720 200 360 125 225 504FT 48 600 1080 300 540 200 360 504FT 64 1000 1800 600 1080 300 540 504FT 96 2000 3600 1200 2160 600 1080 NOMENCLATURE Identifier Description TA Electronics Enclosure Directly Attached to the Flow Body TS Electronics Enclosure Remotely Attached to the Flow Body Identifier Description MD Mini Dual MetalClad all welded sensor 074 diameter elements FD Fast Dual MetalClad all welded sensor 108 diameter elements Identifier Description NI Non Incendive XP Explosion Proof FP Flameproof PART NUMBER GENERATION PROCEDURE With the selected Parent Number specify the entire Part Number by selecting an Option for each Feature as shown in the Part Number example below Feature options in bold type indicate the most available options other options may require a longer delivery time 155910 0 3 213 pr Hol 21111111 2 011 4 F5 F6 F7 F8 F9 Parent Number FI F2 F3 F SUMMARY OF FEATURES Feature Description Sensor Material Feature Flow Body Material Flow Body Connection Type Gas Flow Rate Calibration Data Range Electronics Enclosure
29. 360199 1 1 Rev A Kurz Instruments Inc Unit saturates before reaching full scale Calibration is too low Calibration is too high Series 504FT User s Guide User selected output range is too low and 4 20 mA is clipping Unit calibrated for a lower flow rate at the Factory Unit calibrated for the wrong gas Defective bridge board or electronics Is the sensor orientated to the flow correctly Was the unit calibrated for the gas type in use Has the unit been set up for the duct s velocity profile See Appendix A Is there a temperature profile near the sensor e g hot duct center cold outside Dirt will generally cause the reading to fall off from proper calibration Is the 4 20 mA output calibrated Is the operation temperature several hundred degrees C higher than calibrated at for higher flow rates Have sensor blockage amp flow profile effects been accounted for This is a significant factor in ducts measuring less than 1 ft Is the sensor orientated to the flow correctly Was the unit calibrated for the gas type in use Is there a temperature profile near the sensor e g hot duct center cold outside Is there condensation on the sensor Is there pulsating flow noise e g from a pump inlet or exhaust Is the 4 20 mA calibrated Is the operation temperature several hundred degrees C higher than calibrated at for lower flow rates 56 DCN 360199 1 2 Rev A Kurz Instruments Inc
30. Fora single point system like the Series MFT removing a sensor s contribution to the meter causes the output to be zero You enter these screens from Program mode Meter 1 Flow press E then press the P key walking through the correction factors until you reach the following LOW KICK OUT AT 50 000 SFPM HIGH KICK OUT AT 13000 0 SFPM KICK OUT IS ON A ON v OFF where you may disable the kick out feature Factory default is This will determine the state of the NE 43 alarm If it is ON the NE 43 alarm is also ON If the meter reading goes lower than the low kick out setpoint the 4 20 mA circuit associated to this meter will forced to output a current lower than 3 6 mA If the meter reading goes higher than the high kick out setpoint the 4 20 mA circuit associated with this meter will be forced to output a current higher than 21 0 mA To setup the low and high kick out of the temperature meter you enter these screens from Program mode Meter 2 Temp press E then press P until you reach the low and high kick out setup followed by then finally Low Flow Cut off Series 504FT User s Guide 30 DCN 360199 1 2 Rev A Kurz Instruments Inc The low flow cut off is used to force the flow meter to read zero when the flow rate goes lower than the low flow cut off point To setup the low flow cut off you enter these screens from Program mode Meter 1 Flow press E then press P until you reach the following low flow c
31. In this mode the remote terminal mode and its commands do not work which includes the configuration upload download See Appendix G for more info 5 Wire Sensor Connections For the TS version you must field install the wiring between the sensor and its electronics enclosures In addition to the you need to refer to 842028 for the TS part This is a 5 wire connection which must use quality wire whose wire resistance is less than 1 O per wire Each wire must be matched within 0 01 or 10 so the lead length compensation circuits can work properly Without this the Factory calibration and temperature compensation will not hold in the field If the individual wires do not meet the matching specification their length must be trimmed or extended until they match The terminal strips for the two sensor wire enclosure will accept up to 12 AWG wire which is good for 630 feet between the sensor and electronics To maintain the CE compliance of the product in the TS configuration one must maintain a good shield around the 5 wires This can be done with rigid conduit or a braided shielded multiconductor cable between the sensor junction box and the sensor electronics enclosures Conduit seals directly to the enclosures are still needed to meet the explosion proof ratings Peripherally bonded shielded cable glands are required for cable connections Hawk America 281 445 7400 makes a whole line of cable glands for shielded cable The last option
32. It contains a field confirming the action taken any data to be returned and an error checking field If an error occurred in receipt of the message or the slave is unable to perform the requested action the slave will construct an error message and send it as its response The ASCII or RTU transmission modes are available in the Series MFT models G2 Kurz Instruments Inc The Series MFT support Escape ASCII commands to access its internal data through a remote PC or Lap Top The command starts with an escape character followed by the ASCII command and terminates with a return character An example of a command is EscQVELRet to access the velocity reading The UPLOAD and DOWNLOAD commands are also ASCII commands and will use the XMODEM protocol to transfer the data or file Communication Setup Setup for Remote Terminal Mode Remote Terminal communication mode is the default unless customer specified This allows the user to communicate with the MFT by using a computer or RS 232 communication terminal The communication can be done by using the RS 232 or RS 485 Interface at Full Duplex transmission When the communication is established the MFT will echo all the information that is being displayed to the local LCD display to the computer terminal It will also allows the user to key in the keyboard command from the computer keyboard like the p P key from the local keypad for programming d D key from the local
33. To connect this large dynamic range to the 4 20 mA analog output 12 bit resolution we have to specify the low and high scale values You can assign either or both analog outputs to either or both meters The standard output range is 4 20 mA If it becomes saturated due to process conditions the output signal is limited to 3 8 mA at the low end and 20 5 mA at the high end In case of failure the output signal is forced to less than 3 6 mA or higher than 21 mA depending to the type of failure These are the NE 43 alarm levels which are related to the high and low kick out See section on You get to the Analog Out category from Program mode then press the P key until you reach the following ANALOG OUTPUTS You press the E key to enter the analog output assignment and scales ANALOG OUT 1 At this screen you can select which output you are going to configure using the keypad or the v keys then press E to accept ANALOG OUT 1 ENTER METER 1 In this screen we now select which meter will be assigned to the analog output we previously selected Av FLOW RATE In this screen you use the v keys to select FLOW RATE or VELOCITY for the output type followed by the E key to accept your entry LO X XXXXX UNIT AT 4 000 mA Series 504FT User s Guide 33 DCN 360199 1 2 Rev A Kurz Instruments Inc This screen is where you set the engineering unit UNIT value which will correspond to the low output limit of the 4 20 mA channel Key in y
34. and the 4 20 mA outputs covers the alarms and the RS 232 interface connections for remote configuration from a PC or storing the configuration external covers multipoint serial connections like used for the Modbus setup For the transmitter separated TS enclosure configuration the 5 wire sensor connections must be made as shown in The connection between the enclosure groups must be shielded to maintain the CE rating Again there must be conduit or cable gland seals at each enclosure if it is used in a hazardous area 24 VDC Powered Flow Transmitters The 24 VDC power is a nominal voltage since all circuits have a regulated supply and will work between 18 and 28 VDC for the MT versions or units below 200 C process temperature You may also use an unregulated power supply with 50 to 60 Hz ripple as long as the instantaneous voltage is between 18 and 28 VDC For units working up to 500 C process temperature you will need 24 to 28 VDC Surge currents during sensor warm up could require up to 550 mA and will fall off after it warms up in about 30 seconds At no flow the current will be about 0 1 and about 0 3 A for high flow rates 12 000 SFPM The power is protected against reverse polarity so if no current flows or there is no output signal you may want to check the polarity against the wiring diagram DCN 342022 The flow transmitter is grounded The 24 VDC power and 4 20 mA signal have MOVs Series 504FT User s Guide 9 DCN
35. 0 000 0 260 0 520 0 780 1 040 1 300 1 560 1 820 2 080 2 340 2 600 2 860 Flowrate SCFM Figure 6 Typical Calibration Curve 49 Kurz Instruments Inc Maintenance and This section covers some of the common issues needed to maintain your Series MFT flow transmitter and to help isolate trouble The troubleshooting chart in Table 2 covers most of the electronics flow and maintenance issues that would come up If after going through all of this you still can not isolate the trouble contact our customer service department for additional help Maintenance The thermal anemometer has no moving parts so there is not too much to the maintenance except cleaning and inspection for corrosion and environmental damage When an application is first started or changes the sensor should be inspected for dirt build up and a cleaning schedule established as required There are two approaches to sensor dirt which is used will depend on the type of dirt For dry powdered dirt the sensor will reach a steady state dust load and should be field calibrated with this level of dirt on the sensor For sticky dirt that just builds up over time periodic cleaning is needed for the best results Calibration strategies vary depending on the cleaning schedule of the sensor is the sensor clean has a typical dirt load or maximum dirt load just prior to cleaning This establishes the bounds on the calibration errors and or provides the data to compensate for the dir
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38. Configuration Input Power Specialty Gas Flow Calibration 4 20 mA Outputs LCD Keypad Alarm Relays Pulsed Outputs Terminal Communication and Data Ports Safety Approval Process Temperature Compensation FEATURE I SENSOR MATERIAL Option Description 03 Alloy C276 Sensor Stings and Carpenter 20Cb 3 Sensor Base 05 Alloy C276 Sensor Stings and Sensor Base 04 Monel Sensor Stings and Sensor Base FIRST DIGIT OF FEATURE 2 FLOW BODY MATERIAL Note 1 3161 Stainless Steel 4 Monel Alloy C276 9 Special Note 1 The KMX Mixing Section is not available for Alloy C 276 and Monel Flow Bodies and Flanges SECOND DIGIT OF FEATURE 2 FLOW BODY CONNECTION TYPE Note 1 Option Description Option Description Male thread ends 4 Class 300 flanges 3 Class 150 flanges 9 Special Consult Kurz Note 1 The Flange Material must be the same as the Flow Body Material FEATURE 3 GAS FLOW RATE CALIBRATION DATA RANGE Option SCFM SCMH Option SCFM SCMH 10 0 50 09 100 180 I 1 8 2 3 6 800 1440 20 40 7 34 1000 1800 21 35 1500 2700 22 60 108 2000 3600 23 75 135 Kurz Instruments Inc 2411 Garden Road Monterey 93940 m Tel 800 424 7356 PAGE 6 Fax 831 646 8901 www kurz instruments com m e mail sales kurz instruments com SERIES 504FT IN LINE M
39. Enter the Series 504FT accessories Part Number Contact the Kurz Representative or the Kurz Factory to place the order or to obtain additional information Kurz Instruments Inc 2411 Garden Road Monterey 93940 Tel 800 424 7356 Fax 831 646 8901 www kurz instruments com e mail sales kurz instruments com PAGE 7 SERIES 504 OUTLINE DRAWINGS Models 504FT 6A 6 8 12 16 Shown Directly Attached TA 3 4 FNPT FNPT 3 4 FNPT 3 4 FNPT DA plugged Power ground shielded plugged Power ground shielded cable seals fittings amp cable seals fittings amp nw conduit by customer conduit by customer 4 1 TIH Caution label tH Kurz model serial item 7 8 Caution label no amp safety Flow Kurz model ino Flow direction approval tag direction serial no item i External gnd no amp safety H screw 10 32 H approval tag Optional ID tag External gnd 1 screw 10 32 H Y Optional ID tag Y MNPT end flanges opt See Feature 2 KMX mixing gt LI section not FLOW S FLOW 5 a E KMX mixing section not shown MNPT end STD flanges opt Models 504FT 24 32 Shown Direc
40. Flow amp Temperature Output Range What scale do you want the 4 20 mA output set to Orientation to the Flow s the flow arrow pointing in the same direction as the flow Medium to be Measured Series 504FT User s Guide 1 DCN 360199 1 2 Rev A Kurz Instruments Inc Was the unit calibrated in the medium to be measured Is the medium composition highly variable Does the medium change phase Can material build up on the sensor Are there large temperature variations Kickout Values for the NE 43 Alarms lt 3 6 mA and gt 21 mA What high low values indicate a meter malfunction or a high low flow trip point What high low values indicate normal operating conditions Answers to many of these questions can be found in this manual or its appendices Kurz customer service may also be contacted for assistance 831 646 5911 or FAX 831 646 1033 This user manual covers installation configuration operation calibration and maintenance information Many of the terms and abbreviations used in this manual may be found in the Glossary The next section is the 504FT product brochure followed by a Setup guide A pamplet quick start guide DCN 360206 was provided with the unit The intended audience for this manual are process engineers and instrumentation technicians who are measuring gas flow This manual covers the 534FT too See 367518 for its brochure Series 504FT User s Guide 2 DCN 360199 1 2 Rev A
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42. STATUS OFF RELAY CONTACT N O ASSIGNED METER NO 1 ALARM FOR FLOWRATE ALARM TRIGGER TO HIGH OR LOW HOL SETPOINTS LOW 10 0000 SCFM HIGH 10000 0000 SCFM ALARM 2 STATUS OFF RELAY CONTACT N O ASSIGNED METER NO 2 ALARM FOR EMPERATURE ALARM TRIGGER TO HIGH OR LOW HOL SETPOINTS LOW 10 0000 DEGF HIGH 10000 0000 DEGF Kurz Instruments Inc Figure C1 Sample printable file from MFTCOMMC Concluded k k k TOTALIZER PULSE OUTPUT SETUPF k k x XCkckckckckck kc kc k k k kk k DATA LOGGING SETUP k kkk k DATA LOGGING STATUS OFF DATA LOGGING INTERVAL 5 HOURS 5 MINUTES XCkckckckckck ck kk k kk k K END OF MFT CONFIGURATION k Mftcommc Version 1 43 Guide 7 Kurz Instruments Inc Appendix D Field Wiring Diagrams Series 504FT User s Guide D1 DCN 360199 1 2 Rev A 6 g 21025 AI8N3SSV 1 21 0 45 4144 9140 4015 GNNOND 3015110 YO GNY ANIS 0 005849 3QISNI JHL OL Q3193NNOO 0049 V 3AVH 150171 000 00 HW 531935 NVAOVIG A8 Q35393H9 0 1 5319 1 91 1 SNOUOVM gv NMV3O S3ONV331OL SNI ZANA 13395 1 5 14385 1 5 SAVAOVIG
43. TRANSMITTERS 3 i E E TM INC INSTRUMENTS SERIES 504FT DESCRIPTION The Series 504FT In Line Mass Flow Transmitters raise the standard for mass flow measurements of air and industrial gases The 504FT incorporates the rugged Kurz all welded thermal sensor having a miniature powerful in the head microprocessor having a large lighted LCD Keypad with easy to use set up and configuration menus The 504FT uses two all weld ed RTD sensors to provide fast measurements of the velocity and process tempera ture The LCD Keypad can be rotated in 90 increments to provide a convenient orienta tion for all applications A wide section of flow ranges sizes materials and end connections are available An important feature is a built in flow mixing section that reduces the adverse effects of upstream flow disturbances caused by elbows bends valves and line size changes English or Metric Units are selected by the user The 504FT includes up to two optically isolated 4 20 mA outputs and alarms a RS 232 port for use with a PC to download upload record and the display A flash EEPROM Program Memory allows the user to upgrade the firmware in the field A RS 485 Modbus local area network protocol is optional The 504FT in cludes the most advanced temperature compensation microprocessor technology and the highest repeatability accuracy and reliability avail
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45. button when you are done G13 Kurz Instruments Inc Note During this process the command may time out and Xmodem can not successfully send the file If this happens try it again this time it will be faster because the folder for your file is already setup and you don t need to browse After the Send button is clicked the Xmodem activity window will popup just like the one below Sending E kurzSmtcommestes5s Packet 55 Error checking Retries Total retries p Last error Ww File of 3K Elapsed 00 00 01 Remaining Throughput After the configuration file is received by the Series MFT it will prompt to confirm that the file has been received from the PC successfully The prompt is shown below gt File is transmitted successfully The other way to do this is to use the MFTCOMM program that is supplied with the Series MFT unit For more information refer to Kurz Instruments DCN 451017 x yz PDF MFTCOMM Ver x yz Installation and Operation G14
46. correction factor is measured based on an in situ calibration to accurately convert the sensors velocity reading to the true average for computing flow or mass flow Series 504FT User s Guide 65 DCN 360199 1 2 Rev A Kurz Instruments Inc Appendix A Thermal Anemometer Measurements The Kurz thermal anemometers use two RTDs one heated 50 to 100 C above the ambient the other monitors the ambient The current required to keep the velocity element heated is the parameter calibrated in our wind tunnels Mass Rate What does a thermal flow sensor measure Because of the equations of forced convective heat transfer the output of any thermal anemometer is proportional to the sensor s Reynolds number Re Looking at the Reynolds number we can see how it measures mass rate per unit area NOT volumetric flow rate Therefore the thermal anemometer automatically compensates for density Because a thermal anemometer measures the unit area mass flow it can be said to measure mass rate In other words it measures the true velocity weighted by the density of the flowing gas If the mass rate is normalized by a known density it has velocity units a term known as standard velocity The next section helps explain where these ideas come from Mass Flow Equations Reynolds Number Lets look at the Reynolds number since it is proportional to the sensor s power or current when heated X degrees above the ambient Re pvd u where p actu
47. data and the reference density in the SRAM will be automatically recalculated for the new reference temperature Press the P key to advance to the next screen without change NEW PRESS REF 14 69 PSIA This is the current reference pressure of the calibration data The reference pressure can be changed by entering the new value followed by the E key If the value is changed the linearization data and the reference density in the SRAM will be automatically recalculated for the new reference pressure Press the P key to advance to the next screen without change GAS MOL WT 28 960 This is the Molecular Weight of the gas The value can be changed by entering the new value followed by the E key The value can be only changed if it is recalibrated to a different gas Press the P key to advance to the next screen without change NEW REF DENSITY 0 07387 LB CF This is a display only screen for the new reference density value This is a result of the calculation based on the value of the reference temperature pressure and Molecular Weight Press the P or E key to advance to the next screen Series 504FT User s Guide 41 DCN 360199 1 2 Rev Kurz Instruments Inc The following screens control the sensor s calibration data If you are not very familiar with this process do not change any of these settings Most user changes to a flow meter s calibration should be done using the Meter Correction Factors See pages 28
48. gases Chlorine metering in the paper industry Solvent and VOC recovery gt Compressed air gt Natural gas gt Air sampling P General purpose mass flow R amp D gt Flow calibration standards gt applications Kurz Instruments Inc 2411 Garden Road Monterey CA 93940 m Tel 800 424 7356 PAGE 2 Fax 831 646 8901 www kurz instruments com e mail sales kurz instruments com SERIES 504FT IN LINE MASS FLOW TRANSMITTERS PRINCIPLE OF OPERATION The Series 504FT uses the well proven Kurz thermal convection mass flow measurement method by detecting the heat transfer from the heated RTD sensor Rp referenced to the temperature of the ambient gas stream RTD sensor Rt A constant temperature difference between the heated sensor and the temperature sensor is maintained by a modified Wheatstone Bridge circuit in which the heated sensor is the controlled element This provides unexcelled speed of response and the many other advantages of constant temperature thermal anemometry The microprocessor based electronics measures the heat transfer computes the standard velocity and ambient gas temperature and allows the user to configure and set up the 504FT to fit all flow requirements Display screens are easy to use and provide all the flow temperature and diagnostic information For a more detailed descrip tion of Kurz technology please see Document Number 364003 Theory and Application of Kurz Thermal Convection Mas
49. just like below will popup Enter the file name of the configuration file Press the OK button to continue At this point the Xmodem protocol is receiving the file as seen on the Xmodem activity window below Receive Filename 21x modem never sends a filename so you must specify filename for storing the received file Folder C skurzumftcommcs Filename Cancel G12 Kurz Instruments Inc Storing as Packet D 3 Error checking p Total retries File fr Last error umm Throughput Elapsed 00 00 01 After the configuration file is saved The Series MFT will prompt to confirm that the file has been transmitted to the PC successfully The prompt is shown below gt File is received successfully Updating the Series MFT Configuration from a configuration File If the terminal echo is ON press the plus key on the keyboard to turn OFF Type the command EscDOWNLOADEnter the Series will respond with prompt 2454 504FT Ready to Receive File gt XMODEM Transmit File to 454 504FT From this point click the Transfer on the Hyper Terminal menu bar and click the Send File a new window just like below will popup Send File 2X Folder C kur2 mftcomme Filename Protocol modem Send Close Cancel Enter or browse the filename of the configuration file to be sent and select Xmodem protocol Click the Send
50. keypad for display Follow the following steps to setup the Series MFT for this mode 1 Refer to the Appendix D of the Series 454FT or Series 504FT User s Guide for Field Wiring Diagram 2 If your unit has the Modbus feature press the key on the local keypad the MFT will respond by displaying the warning message and after approximately 6 seconds will prompt you to enter the access code If the Modbus feature is not available Remote Terminal is setup as default 3 Enter the access code 123456 default then press the E key 4 Press the P or the v key repeatedly until the PRESS E TO SET COMM is displayed 5 Press the E key and select the REMOTE TERMINAL from the selection using the v arrow Press the E key to accept 6 Atthis point the MFT is setup for Remote Terminal mode 7 Run the PC or Laptop with communication terminal emulation software If you are using the Windows 95 98 or NT use the Hyperterminal program that came with it To run the Hyperterminal Program do the following Click the Start button select Programs then Accessories and then Hyperterminal then click Hyper Terminal The program will run and pop up a window called Connection Description Enter a name filename and select an icon and click the OK button G3 Kurz Instruments Inc e Another window will pop up called Connect To Since the RS 232 port will be used select the box labeled
51. nueu ey Jepun eq 2 eu BDIASP q si y eJnsojoue eu episu Bulpoas eu s 2313 0 dN31 1130 1990 OILSONOVIQ 335 eq uoo 1 1 4 1 1 019 SO peiojnojpo s LY 991 JO 94010 94 92u949JJIP 9291 S 5141 1 v1130 6 LHL 1940 1150 9 10 335 y pe Djdsip upo eu uonbnbe adud sISey s n DA y 408498 dzy y 68932014 y s SIUL 1ML 8 dul 1990 eui V1VQ SLLSONDVIG 33S nueu euj eq upo NDA eu uonbonbe eoub sises s ay josu s dy y jo S dul 2 14 Jeqo y V1VQ OILSONOVIO 33S ayy patojdsip eq n bA jo sanedoud uo si 4osuas jo jueiquD eui S SIUL 13 9 da 1999 941 V1VO OILSONOVIO 33
52. output before entering a menu At these screens the v keys will change the specific menu you first enter To deselect or get out of a menu you press the C key once or twice depending on the menu Entering Data You enter data into a menu by typing the number directly from the keypad including decimal points The v arrow keys will also change values When you first enter a menu the most significant digit is changed by the v keys If you press a number it automatically is entered starting at the most significant digit then it moves the entry point to the right one character At any time you may change the last entered value with the V keys For menus with multiple selections the keys are needed to change the selection Once you have entered the number or selected the parameter of interest the value is accepted by pressing the E or enter key Note When entering meter IDs or other text using a remote terminal you must use upper case characters only The lower case are used for the keyboard commands Series 504FT User s Guide 17 DCN 360199 1 2 Rev A Kurz Instruments Inc Clearing Data Editing Data or Exiting Menus The D or delete key will clear one character to the left just like a backspace key on a computer The C key will clear the whole value in a menu Pressing the C key a second time will exit the menu without any change Holding a Menu For Display You may freeze or hold any menu beyond the two minute auto re
53. press all the keys and see them on the LCD after each press The E key looks funny like an ear but this is normal and the other keys are lower case characters or numbers After you place the W1 shunt back on the two pin post you must reboot to restore normal operation Series 504FT User s Guide 52 DCN 360199 1 2 Rev A Kurz Instruments Inc Resetable Fuses The main power self powered 4 20 mA output VC and alarm contacts are protected by PTCs Positive Temperature Coefficient tripped resetable fuses These are solid state sealed resetable fuses that when overloaded will heat up then go to a high impedance state reducing the current flow They can only be reset by removing the fault applied voltage You cycle the power and allow to cool about half a minute then apply power again Generally these will not trip unless there is something wrong and this requires troubleshooting False tripping can occur at very high higher than rated ambient temperatures and high load current Due to their thermal nature the devices are more like slow blow fuses that can be reset The field wiring diagram examples in show the nominal value of these devices at room temperature 10 Board Surge Protection All the terminals of the I O board have MOV Metal Oxide Varistor surge protection Many but not all terminals are shown with MOV protection on the field wiring diagram B This prevents damage from ESD lightening etc to your unit If yo
54. start on its own by setting a log interval starting at one minute up to 999 hours The format is hhh mm on the display and you first enter the hours in a menu screen followed by the minutes up to 59 menu screen Example data from the Series MFT log function or the 4 command Host issues Reply 13 58 2 09 1999 81 456 0 23459 SCFM 1 238999e3 SCF 2 456 125 71 Format Time hh mm mm dd yyyy Meter data Number Rate Rate units Totalization Tot units Second meter data typically temperature with totalization The command is issued each time you want the data or use the logging interval to have results sent to a computer or printer If the terminal echo is turned on command you will have to parse the above information from the other display data The phrase LOGGING DATA TO TERMINAL will precede the above response and may show up between the lines of the data By not using the terminal echo you can get a clean uncluttered answer to the x command The command is a toggle for echo and off operation The e in the totalization number is short hand scientific notation for x 10 So the number 1 234567e3 is 1 234567 x10 3 or 1 234567 x 103 Configuration Data Storage The configuration data is stored two ways in the Series See figure 3 The primary method is serial EEPROM on the CPU board All information about the flow meter is stored in this memory In additio
55. tick using the local display unlike the Series 155 Mass Flow Computers In terminal mode you can get more ticks by holding the key Once it is as close as you like press the E key to Series 504FT User s Guide 34 DCN 360199 1 2 Rev A Kurz Instruments Inc accept the value or P to skip this screen The Factory calibration will be so close to what you need that not much change will be required SET 20 000 mA TO OUT 1 UP DN v This screen works the same as the 4 000 mA screen but at the 20 000 mA value After you have calibrated Output 1 you will see the screens prompt you for Output 2 You can do this too or skip with the P key or the C key twice to exit Totalizer Reset The meter totalizer which shows up under the display mode log command and scroll can be reset with this menu category This totalizer has over 12 significant figures and remains accurate to less than 1 error for several years operation without resetting As the numbers get larger the incremental addition to this value eventually is so small that round off errors will cause the totalization to start mistracking So if you want the best accuracy it should be reset at convenient maintenance intervals You get to the Reset Totalizer category from Program mode then press the P key until you reach the following PRESS E TO RESET TOTALIZER You press E to enter the totalizer reset menu screen zYES v NO NO The v keys are used to select yes and no
56. to 30 NEXT TYPE FLOW UNITS v SFPM This is where you select the calibration flow units it can be SFPM or SCFM for English system or SMPS or SCMH for International system You change the setting using the Av keys then press E to accept the changes or press the P key to advance to the next screen without change DATA SETS 1 This screen is used to specify the number of calibration data sets Each set is measured at a different temperature to support VTM velocity temperature mapping which is a more accurate calibration method The VTM data provides a second order correction to the temperature compensation of the sensor You enter a number or use the v keys followed by the E key to accept the changes or press the P key to advance to the next screen without change FLOW DATA FOR T1 70 3 DEGF This screen is used to specify the temperature the Tn first shown VTM data set was calibrated at The units will change as needed for your system units You enter the number or use the v keys followed by the E key to accept the changes or press the P key to advance to the next screen without change ENTER OF DATA PTS AT T1 10 This screen is used to specify the number of data pairs current standard velocity in the calibration at the previous calibration temperature You enter the number you want or use the v keys followed by the E key to accept the changes or press the P key Series 504FT User s Guide 42 DCN 360199 1 2 Rev A Kur
57. 0 AK w3ZIVl0l 13534 5 09440 j sI 1921010 au 13534 43 jue e y u siy SI 3211 101 disV anva 0092 300W LXGN apoy 9 110825 3 2 901 d Av 1X3N 1 50800 4 3 uo Ajjua epoo 5 220 Ajuo 5 09440 j 3002 n K y284102U pejajua SOM ss822D euj 5 siy VANI 43 43 235858 242854 133HS 01 SJA ONZA S3A V Jud A 10 34 3 dnv8 0071 AV 3QON 1X3N 98 14 k 58525 539VSS3N N333OS ASVINJAON Of Mf 110826 9 34d si 901 viva d 3 AV 1X3N d 3 1 310N3B A 23 245 88468 2 133HS 01 2 133HS 01 2 133HS 01 2 133HS 01 Bos ZOR 8 8 H 38758 IWILN3014N02 3 3 9 3 3 3 3 pu 28 m aes 4 9r 55320 110495 aaow V 9 viva V anva 222 54 lt V 82528 AYOLOWA SI 135 01 3 SS3Nd 59522 V 135 01 3 55334 V 135 01 3 55384 V 135 01 3 55384 A 53 558 5500 SNILVN331LTV SNILVN3311V S9NILVN3311V SNILVN3LTV 52488 25 B55 2275 MO FOIOHD LXIN MO 320 2 LXIN 320 2 LX3N MO 1 3 75 555 335 01 d SS3Nd 335 01 d 55389 335 01 d 55389 33S 01 d 55389 5523 362 B
58. 1dAVS ov VS Lj V 33ZI1V101 22 858 v 13S OL SS34d 3S 01 3 5334 A V 36 01 55384 X 13538 01 55384 53 295 y 133 5 01 SRB Pug SNILVNH31TV ONILWNYAL ONILWNYAL SNILVN33LTV Rows 55474 MO 3010H9 1 3 MO 30I0H9 1X3N MO 3010H9 1 3 MO 1X3N 3 285 m Bd 33S 01 d SS3Nd 335 01 d SS3Nd 335 01 d 55384 335 Ol d 55384 13002 838 29 55222 USING lt 8 gt 2 133 5 20 38 31 15 23X3 01 28 Bac 85858 2228 zo M 3552 22235 3552 Bo 73 P o 8 6 40 y 13345 31 25 d3 v 100276 8 1
59. 2 A8 YOSNSS 01315 2 ee ee 3 YOSNSS 1404405 3808d 405 35 8 Sx ooa 6 m S806 v _ qvos 34IM 8 1 68 1300W SLNSWNYLSNI 7404 AG NI 03214 ATWOISIOSdS SV ld30X3 JSOdYNd YSHLO 304 YO 303 SH3HLO OL 0350712510 G3SN YO SLNSWNDOG Ol GSYYSISNVYL YO Q39nGO3d34 38 TIVHS 035010510 NOLLVASOJNI YON 1 00 SIHL YSHLISN 035072510 NOLLVAWHOJNI 3HL NI GSGNIONI 33V SLH IY AYYLIIYdOYd ONI SLNSWNYLSNI 27403 V 6406 133 5 C d 3215 OMG SL S3IM3S AVSOVIG ONISIM 07145 SLINSAQSILISNI ZANY qnis 0301 3018 31IHM ANNOYS H 4 3015 914 1 9 4 3015 MOT NY H dy 3016 HOIH 1 d4 3015 dy S dy aval 3SN3S dY 39Nv30 3LIHM MO N3339 31IHM Q33 31IHM 340102 3MIM 318V9 141 30109 3MIM 241 141 NOILdIMOS3O 5 35 MVHO QV31 MOSN3S LINGNOD LHOIL ANON LINGNOO 1 3 ONIGTSIHS 404 4 HIIM 318V9 LINGNOOD 3181 414 GAC TSIHSNA JONVITGNOO 39 SHL 174440 NOA YO ASN LON OQ 100 100 5 184 34 udH 38IM 9 012 91 quie 14 HI9N31 JIM U
60. 360199 1 2 Rev A Kurz Instruments Inc metal oxide varistors to clamp voltage spikes going into the unit These are 48 V nominal voltage level at 1 mA and do not conduct significant current below about 36 VDC relative to ground Consequently the isolated 4 20 mA signals alarms etc can not have a significant common mode or bias voltage to prevent leakage currents on the MOVs which can cause an error in the flow measurement if occurring on the 4 20 mA signal AC Powered Units The 115 VAC 50 to 60 Hz and the 230 VAC 50 to 60 Hz units are Factory wired to the voltage range ordered The transformer jumpers may be changed as required See the field wiring diagram DCN 342029 for details The voltage must be nominal 10 20 for proper operation The 115 V and 230 VAC units require 15 Watts maximum All wiring to the AC power supply interface board must be routed along the PCB side closest to the AC power plug These wires must be inside the plastic insulator sleeve to prevent the wires from catching in the threads of the explosion proof lid The internal ground can be made via the AC power plug or a 10 32 stud on the PCB There is no power disconnect means for this unit You will need a disconnect per your local electrical code Analog Output The 4 20 mA linear output is a loop powered isolated signal The positive output terminal is diode protected against reverse voltage The output may be self powered in the non isolated mod
61. 5 nueu y eq dH JO NDA dMl dHA MDT Suyo Bulsn si 9 106096 gy ay DuippeJ jueiquo S 9 dud 1999 84 V1VQ 5 335 nueu ay pe b dsip eq dud Jo eu dMA dMI dud uonpnbe y Aq s euj Josues dy pejodissep Jewod s SIUL dud Y dul 1940 y V1VQ 5 335 nueu y pe p dsip eq qj gyA dui MoT suyo 4osues dy queJJno D S SIUL dul 1999 V1VQO OILSONOVIO 335 nueu y sapun p kojdsip eq uoo eb03jo PNI eDpiuq uo dy ay 55020 00815 ndui y jo D S 51 2 1990 993 VIVO OILSONSVIO 335 nueur y jepun pe p dsip eq ey eDpiuq y uo 10151594 QM ey 650120 joubis indui ayy jo ebpjo 5 slul 1 NOILdl49S3Q SW31l AV 1510 SIN3ATIMISNI ZANA AB NI 03240 ATIV2IJO3dS SV 1433 3 35094 9 N3Hl0 304 YO 303 5 10 01
62. 7 Degrees F and 29 92 inHg Point Rp Current Flowrate No A dc SCFM 1 1568 0 00000 2 2218 0 10890 3 472 0 21430 4 2781 0 42490 5 3153 0 85260 6 3330 1 09800 7 3492 1 36100 8 3758 1 95910 9 3985 2 62430 NOTE Current was measured directly by the calibrated unit Kurz Model 500E In Line Flow Calibration System FLOW ELEMENT CALIBRATION REFERENCE DATA ACQUISITION SYSTEM Model No 510 6 S N CD1080A Model No LDAS 16 NIST Calibration Due Date 10 10 1999 Serial No 96490974 This instrument was calibrated with measuring and test equipment with certified NIST traceability Copies with applicable NIST numbers are available upon request The calibration of this instrument was performed to meet or exceed the requirements of A ISO 9001 ANSI NCSL Z540 and C ISO IEC GUIDE 25 Wind Tunnel Operator Date Quality Control Date Figure 5 Typical Calibration Certification Sheet 48 Form Number 180118 Rp Current A de KURZ INSTRUMENTS INC 2411 GARDEN ROAD MONTEREY CA 93940 1 800 424 7356 831 6465911 FAX 831 646 8901 Web Site www kurz instruments com FLOW ELEMENT CALIBRATION CURVE Flow Element Serial No MD1999X Customer Code Name _00000 Kurz Instruments Filename MD1999X aic Purchase Order No Cal Date 2 5 1999 Model No 504FT 6A MAPICS Item No 00000 Part No 00000 Medium Air STD Conditions 77 Degrees F and 29 92 inHg Que E d 214 LN
63. 8 2 13395 01 8 2 WO3d33 Viva V d 4 01 01 3 SS33d SNILVN23311V MO 32 2 1X3N 115 01 d 553 lt 150 3 150 30 j K 1 LINN XXEXXXX Wav1V 1103214 YOSNAS AV IX3N U u 380 J 43 LINN XXXX XX 99 000700 d 3 V 1 3 51 u Wav IV vu 000 LINN 01 gt 43 43 3univs3dN3 AV 1 u Wuviv 320133 1 uU Waviv d 3 ILYN MOTA 1X3N u 3univuddNa3l AV 3dAl 1 UF ino 9 ALON 995 156 you 150 J d 3 XE naviy aana vf 104110 35104 k ON V ON SI Wauviv d 3 Z pasoxa 35104 Yad LINNLOL 331N3 443 A1I9013A 1 1nO d 3 33J0 A NO v 340 SI 1 A d3 v 31VM 014 V
64. 9 Explosion Proof XP Class I Div GPS ABCD T3C Ex d 3 Class II Div Groups EFG CSA Flameproof FP EEx d IIB H CENELEC The process approval temperature range is 20 C to 60 C pressure range of 300 PSIA EMI Approvals CE Compliance light industrial EN50081 1 for emissions heavy industrial EN 50082 2 for immunity and EN 61000 4 5 for surges Serial Port Baud Rate 1200 2400 4800 9600 14 400 19 200 38 400 Digital Outputs RS 232 Port for Upload Download Record Echo using user s PC RS 485 communi cation port with Modbus ASCII or Mode LCD Back lit two line alpha numeric with 16 characters per line LCD Update Every two seconds Keypad 20 button membrane mounted inside enclosure LCD Keypad Orientation Adjustable in 90 increments to accommodate user viewing angle Memory EEPROM for all impor tant data with automatic sen sor identification Flash EEP ROM for Program Memory Net Weight See Table 3 Page 8 IN LINE MASS FLOW TRANSMITTERS TECHNICAL DESCRIPTION cont d FLASH EEPROM PROGRAM MEMORY The program may be updated in the field by the user using the RS 232 port This new feature will allow our customers to upgrade to the latest firmware SELF DIAGNOSTICS The 504FT performs an extensive check out upon power up and continuously monitors the sensor inputs outputs and verifies the integrity of the sensor wiring and the
65. 99 1 2 Rev Kurz Instruments Inc Multi point Insertion Flow Elements K BAR are also calibrated as a velocity devices in gas X You can display standard velocity or with application specific information you can display standard volumetric flow and mass flow Area Sensor and probe support blockage Correction factor velocity profile This tends to be automatic since the velocity is measured across the duct at equal area locations Gas specific gravity when reading mass flow In line Flow Elements 510 502 522UHP 532 and the 504 534FT flow transmitter are calibrated as standard volumetric flow devices in gas X You can display standard volumetric flow or with application specific information it will display standard velocity or mass flow Area Sensor and probe support blockage Correction factor velocity profile Gas specific gravity when reading mass flow To maintain the Factory calibration on in line units requires adherence to the recommended L D upstream and downstream criteria This ensures the long pipe run velocity profile when used in the field Example L D criteria Model 502 16 L D is from the 90 Elbow at x Calibration Error heated sensor to L D the disturbance power These lengths are reduced significantly factors of 16 area ratio Area ratio Free pipe area venturi throat area for flow elements and transmitters that have a venturi flow conditioner like the 542 and 534FT Series 504FT
66. ASS FLOW TRANSMITTERS FIRST DIGIT FEATURE 4 FIRST DIGIT OF FEATURE 7 ELECTRONICS ENCLOSURE CONFIGURATION ALARMS RELAYS PULSED OUTPUTS Electronics Enclosure TA Directly Attached to Flow Body 0 No Solid State Relay or Pulsed outputs alarm functions displayed on LCD 2 Electronics Enclosure TS Remotely Attached to Flow Body Two Optically Isolated Solid State Alarm Relays 2 Two Optically Isolated Solid State pulsed outputs for remote flow SECOND DIGIT OF FEATURE 4 INPUT POWER totalizers Option Description Option Description 3 One Optically Isolated Solid State Alarm Relay and one pulsed output for a remote flow totalizer 115 VAC 50 60 Hz 3 24VDC 2 230 VAC 50 60 Hz SECOND DIGIT OF FEATURE 7 TERMINAL COMMUNICATION AND DATA PORTS Note 1 All calibrations are NIST traceable and taken at room pressure This procedure is valid because the pressure effect is small up to 150 PSIG The customer is responsible for cleaning hydrocarbons from oxygen mass flow elements The mass flow reference standard is 77 F 14 69 PSIA 25 C 760 mm Hg Data for flow rates above 250 SCFM is obtained using the Kurz corre lation method Add 5 reading A 20 SFPM to the accuracy specification when using a gas FIRST DIGIT OF FEATURE 6 4 20 mA OUTPUTS Description
67. ATION PROGRAM VER 1 43 ME FIRM CONF CONFIGURATION FIL C Kurz MFTCOMMC test cfg WARE VERSION IGURATION DATE 1 VER 1 22 3 29 2001 KKKKKKKKKKKKKKKETOW CALIBRATION DATA x x x SENSOR S N RD1168A REF TEMP 77 000 DEGF MEDIUM AIR REF PRESSURE 14 690 PSIA MOL WT 28 959999 STD DENSITY 0 073931 LB CF TEMPERATURE SET 1 TEMPERATURE 77 000 DEGF DATA Rp CURRENT FLOWRATE PT A SFPM 1 0 1579 1 3840 2 0 2149 103 8270 3 0 2901 600 5800 4 0 3179 1058 5199 5 0 3585 2086 5100 6 0 3862 3193 7600 7 0 4024 4083 4202 8 0 4280 5813 1099 9 0 4644 9102 2803 10 0 4864 11685 1006 KKKKKKKKKKKKAMETER 1 FLOWRATE SETUPF METER ID METER 00001 METER UNIT SCFM FLOW AREA 1 000000 SQ FT BIAS CORRECTION FACTOR BCF 1 000000 SENSOR BLOCKAGE CORRECTION FACTOR SBCF SENSOR TYPE FD16 SENSOR DEPTH 0 000000 FT SBCF 1 000000 VARIABLE CORRECTION FACTOR VCF NUMBER OF CORRECTION PTS 1 D1 0 0000 SFPM C F 1 1 000000 R1 0 0000 SFPM AT 0 0000 SFPM KICK OUT STATUS OFF LOW KICK OUT 100 0000 HIGH KICK OUT 13000 0000 SFPM LOW FLOW CUT OFF STATUS ON LOW FLOW CUT OFF AT 0 0000 SC
68. Correction Factor SBCF which is a constant that depends the sensor insertion depth The SBCF is only applicable to the Insertion Flow meters VCF Setup To setup the VCF for flow rate you enter these setup screens from Program mode Meter 1 Flow press E then press P until you reach the following The bias CF correction factor is a flow rate independent multiplier to the flow output You enter a multiplier if you need to then press E or press P to advance the menu until you reach PRESS TO SET VARIABLE FLOW CF This screen is a status screen showing that you are in the VCF setup area DATA SETS X This screen has the value of 1 to 8 for the number of correction sets or reference method RM data sets Press E to accept the changes or press P to advance the menu ENTER FLOW DATA SET 1 Select which of the 8 data sets you want to edit Press E to accept the changes or Series 504FT User s Guide 28 DCN 360199 1 2 Rev A Kurz Instruments Inc press P to advance the menu R1 XXX XXX FUNIT This is the reference rate velocity or flow Press E to accept the changes or press P to advance The FUNIT is the calibration flow unit it can be one of the following SFPM SCFM SMPS or SCMH R1 XXX XXX FUNIT D1 X XXXXX FUNIT This is the Kurz rate velocity or flow Press E to accept the changes or press P to advance The next screen starts over at the next numerical data set R2 XXX XXX FUNIT
69. DEGC Degrees Celsius DEGF Degrees Fahrenheit DISPLAY MODE The set of display menus for viewing the meter readings EEPROM Nonvolatile solid state memory device EXECUTIVE MODE This is the menu state the flow meter starts in You branch to Display Mode Program Mode or can view the meter summaries from their scroll FLASH MEMORY Nonvolatile reprogrammable solid state memory device used for program memory Kurz procedure 360198 explains the steps needed to do a firmware update KGH Kilograms per Hour KGM Kilograms per Minute LCD Liquid Crystal Display A 2 line by 16 character backlit display is available for the Series MFT L D This is the Length to Diameter ratio in a pipe or duct between two locations This non dimensional parameter is a comparative metric used to measure the distance between a flow disturbance and a measurement point Both upstream and downstream values are needed to quantify an installation MASS FLOW Mass per unit time 1 6 Kg s This is the standard volumetric flow multiplied by the standard density MENU STATE A viewing or display screen of the LCD See drawing DCN 342027 Appendix E for a comprehensive listing of the menu states MENU SCREEN Any screen where data is presented or can be changed Menu screens are found within or under the menu categories Series 504FT User s Guide 63 DCN 360199 1 2 Rev A Kurz Instruments Inc MENU CATEGORY The top level screens within program or d
70. FM METER SCROLL STATUS ON DISPLAY HOLD TIME 4 SECONDS Mftcommc Version 1 43 Guide 5 Kurz Instruments Inc Figure C1 Sample printable file from MFTCOMMC Continued 2 TEMPERATURE SETUP X METER ID METER 00002 METER UNIT DEGE BIAS CORRECTION FACTOR BCF 1 000000 VARIABLE CORRECTION FACTOR NUMBER OF CORRECTION PTS 1 D1 0 0000 DEGF C F 1 1 000000 R1 0 0000 DEGF AT 0 0000 DEGF KICK OUT STATUS OFF LOW KICK OUT AT 50 0000 DEGF HIGH KICK OUT AT 300 0000 DEGF METER SCROLL STATUS ON DISPLAY HOLD TIME 4 SECONDS KKK KK KKAKKKKEEKEKKAAMETER FILTER SETUP X X x x xxx METER 1 TC 0 500000 SECONDS METER 2 TC 0 500000 SECONDS KKK KKK KKKKKKKEEKEKKKANALOG OUTPUT SETUP ER RR KKK KKK xxx ANALOG OUTPUT 1 ASSIGNED METER NO 1 LOW SCALE 4 00 mA AT 0 0000 SCFM HIGH SCALE 20 00 mA AT 6000 0000 SCFM ANALOG OUTPUT 2 ASSIGNED METER NO 2 LOW SCALE 4 00 mA AT 0 0000 DEGF HIGH SCALE 20 00 mA AT 200 0000 DEGF KKKKK KKK KKK KKK ck ck k k k k K AT ARM S Mftcommc Version 1 43 Guide FTP KKK KK KKK KK KKK ALARM 1
71. Filter Each meter has its own first order or RC type low pass filter This time constant or damping coefficient is set in seconds ranging from to 600 If you have a step change in flow or temperature in addition to the sensors time constant the output will be slowed down electronically If the filter was set at two seconds its output would be one time constant or 63 of its final value in two seconds It would take about 2 3 time constants to reach 90 of final value and 4 6 time constants to reach 99 of final value or 1 settling time In other words a 1 settling time is achieved in 9 2 seconds from a two second time constant You get to the Meter Filter category from Program mode then press the P key until you reach the following METER FILTER TC Press E to go into these menus IS SEC At this screen you view the current setting or use the keyboard to enter a new number for METER 1 FLOW Alternately you can change with the v keys Press E to accept the current entry or P to just skip over this screen OF METER 2 IS XXX XX SEC View the current setting or use the keyboard to enter a new number for METER 2 TEMP Alternately you can change with the V keys Press E to accept the current entry or P to just skip over this screen Analog Output Range Series 504FT User s Guide 32 DCN 360199 1 2 Rev A Kurz Instruments Inc All flow calculations internal to the Series MFT use floating point numbers
72. Full Duplex interface for Upload or Download The Data Logging mode is used with the RS 232 or RS 485 Full Duplex to log data from the MFT to serial devices like serial printers or computer terminals The log output is a character string and can be setup to log with a periodic time interval or forced to log using the command I PC or L MFT keypad It is advisable to turn off the terminal echo to prevent undesirable data from being transmitted The Modbus mode is used with the RS 232 point to point or RS 485 point to point or multi drop The RS 485 can be configured as a Full Duplex or Half Duplex Modbus is a network communication protocol that was originally developed by Modicon Company Name for their controllers The controllers can communicate using master slave technique in which only one device the master can initiate transactions called the queries The other devices the slaves respond by supplying the requested data to the master or by taking the action requested in the query The master can address individual slaves and the slave will respond by returning a message called response to the query that is individually addressed to it The Modbus protocol establishes the format for the master s query by placing the following into the device address a function code defining the requested action any data to be sent and an error checking field The slave s response message is also constructed using Modbus protocol
73. II 13 The first line is the time and date when the data was logged The second line is Flow Meter Meter 1 data consisting of the following e The Meter Number e The Meter Identification Meter ID e The flow rate and the engineering unit e The Total flow and the unit The third line is the Temperature Meter Meter 2 data consisting of the following e The Meter Number e The Meter Identification Meter ID e The Temperature and the engineering unit Example data from the Series MFT log function or the T command Host issues reply 13 58 2 09 99 1 FT456 0 23459 SCFM 1 238999e3 SCF 2 TT456 125 71 DEGF Follow these steps to setup the Series MFT for this mode G4 Kurz Instruments Inc 1 Follow the setup for the Remote Terminal Mode See section Setup for Remote Terminal Mode The Serial communication must be established before the data logging will work 2 Send the character from the computer terminal or the L from the local keypad If the communication is working properly the Series MFT should reply a text string like the example above In order to have a clean uncluttered reply on the computer terminal display or serial printer turn off the terminal echo Sending the command will toggle the status of the terminal echo 3 The periodic log interval can be setup in the program mode Press P on the local keypad or send p if you are using the computer terminal The Ser
74. Kurz Instruments Inc Kurz Instruments Inc Series 504 In Line Mass Flow Transmitter User s Guide DCN 360199 1 2 Rev A Covers MFT V 1 2x Firmware October 15 2003 Kurz Instruments Inc 2411 Garden Road Monterey CA 93940 5394 USA Telephone 831 646 5911 or 800 424 7356 FAX 831 646 8901 or 831 646 1033 www kurz instruments com Series 504FT User s Guide i DCN 360199 1 2 Rev A Kurz Instruments Inc Publication Notices COPYRIGHT COPYRIGHTO 2003 All rights are reserved No part of this publication may be stored in a retrieval system transmitted or reproduced in any way including but not limited to photocopy photograph magnetic or other record without the prior agreement and written consent of Kurz Instruments Inc TRADEMARKS MetalClad Series MFT Series 454FT and Series 504FT are trademarks of Kurz Instruments Inc Hyper Terminal Windows 95 98 NT are trademarks of Microsoft Corporation Modbus is a trademark of Modicon a Group Schneider company PUBLICATION NOTICE Every effort has been made to supply complete and accurate information to the customer However Kurz Instruments Inc assumes no responsibility for its use nor any infringements of patents or other third parties which would result In addition Kurz Instruments Inc makes no representations or warranties of any kind concerning the contents of this publication Under no circumstances will Kurz Instruments Inc be held lia
75. L HION31 WOWIXVIN SINIVHISNOO JONVISISSY 0 41 05 45 JHL 803 jIVSN3dWOO NY 9 419 490148 05 45 JHL OS H VA NO 50538 Q3HO1VN 3AVH ISAW INJ3A3I3 318VO 3slM G 3a4nS019NJ HOVA OL 0319340 51 45 3ONVIIdWOO AL3JVS ANY 39 404 0450 38 051 AVN 14 OL 584314 0 5544 03 21 OL ATIVIONSWWOD 9 5 9 31 14 INIS ONILWY ALS4VS NIVINIVA OL 3313W 1 SI HI9N31 318v9 WNNININ ONILVA 39 CNV ALJJVS NIVINIVA OL 330038 33V JUNSOTONA SONVIS 3189 013 5 Q3Glvsg x33 JOOUdINVIS 318VO 0141 5 0401788 AT3IVNS3LIV 39 ONV 4 5 NIVINIVA OL 038410044 38405010 34 H VA OL AILOSYIC 5135 400844 015014 4 HLIM LIAGNOO 2 ZYN AG 5 383HM XOUddV 0391595 38 OL 45 YOSNSS 24119 N SININOdNOO NO LON AVW AINO 49 444444 803 1 SYOLVNOISSG 39N333334 031319395 ASIMYSHLO SSJINN SALON ONI SIN3ADMISNI 724 A8 NILIYM NI Q3ZIHOHLOV ATWOIIO3dS SV 1430 3 JSOdYNd YSHLO 304 YO 303 SH3HLO OL 0350710510 G3SN SLNSWNDOG Ol GSYYSISNVYL YO GIONGOYNdSY 38 TIVHS 035010510 NOLLVAHOJNI YON LNSWNNOOG SIHL 33HLI3N 035072510 NOILVWHOJNI 3HL NI GSGNIONI 33V SLH9IM AMVI3lsdOMd SLNSWNYLSNI 2404 Kurz Inst
76. LCD keypad can be mounted in any one of four 90 positions for best viewing and hand access It mounts to the CPU board below it using two of the four mounting holes The other two mounting holes are for nylon spacers which prevent rocking of the keypad and must be moved to the other holes if needed When performing the display rotation standard electronics handling procedures to prevent ESD must be used Use a wrist strap between yourself and the enclosure body before taking the display board out to rotate it Too much ESD can corrupt the battery backed up configuration memory The short ribbon cable between the CPU and display board must have its connectors fully seated in the PCBs before you carefully screw down the board using the provided nylon screws The ribbon cable connectors have a pin 1 mark which must match that of the PCB connector at each end The ribbon cable will route towards the center of each PCB when properly mounted There is an LCD contrast pot on the back of the LCD keypad board which can be adjusted with a small flathead screwdriver as needed for best viewing of the screen Series 504FT User s Guide 14 DCN 360199 1 2 Rev A Kurz Instruments Inc Operation This section of the manual describes the basic operation of the unit Configuration of the parameters such as duct area analog output range correction factors meter identification or tags etc are covered in the next section The signal flow diagram which
77. Net instrument and Modbus instrument with device to device communications There are also third party OPC watch dog groups like the http www opcconnect com that have lots of leads for this powerful and cost effective technology So the basic idea of OPC is that many different Client programs are available to read write data to many different industrial devices and the HMI and SCADA programs can work with all of them Modbus Modbus TCP Device Net FF Profibus Control Net just to name a few OPC Servers for Modbus and Modbus TCP The original Open Modbus specifications were developed by Modicon in the late 1970 s and in the late 1990 s they revised it for use with TCP IP known as Open Modbus or Modbus TCP The TCP IP version runs on Ethernet generally and there are gateways between the RS 485 versions of Modbus RTU ASCII and G9 Kurz Instruments Inc the TCP IP version ie Sixnet makes a device which does just that their model ET GT 485 There are third party software packages that do Modbus TCP and or Modbus RS 485 and provide the OPC server function Several companies that market Modbus OPC Servers are KEPware Products Automated Solutions Schneider Automation Merz Iconics National Instruments Softing Trebing and Himstedt etc see above websites for more comprehensive and up to date list These packages are general purpose and must be configured to operate the specific Modbus device of interest Some are run time con
78. OG TO DIGITAL CONVERTER serial 16 05 ADC provides excellent resolution and noise rejection minimize noise the user can select the ADC sample rate for 50 Hz or 60 Hz to provide the best noise rejection FIRMWARE The Display Executive and Programming menus are very easy to use and are largely self explanatory The flow and temperature data may be scrolled so it can be seen through the window in the cover The user may press D and see the flow and temperature data as well as the raw flow data Pressing holds the display screen but not the readings A user code is required for programming seeing data and entering configura tion and other user data The firmware supports gt Remote Terminal Operation of the Display Module via RS 232 or RS 485 gt METER Summary Command L for external data logging from any computer See the PC Data logging Program PN 451029 gt External Remote data logging via Modbus RTU or ASCII protocol See Feature 7 for details Kurz Instruments Inc 2411 Garden Road Monterey 93940 m Tel 800 424 7356 PAGE 4 Fax 831 646 8901 www kurz instruments com e mail sales kurz instruments com SERIES 504 SPECIFICATIONS cont d Meter Filter Time Constant Selectable 0 to 600 seconds Safety Approvals Non Incendive NI Class I Div 2 GPS ABCD T5 DC Powered T4 AC Powered EEx nA Il T5 DC Powered T4 AC Powered CSA CENELEC meets the ATEX Directive 94
79. PM Wet vs Dry Flow Rate The thermal anemometer responds to all gas molecules which hit it In the case of water vapor H 0 dissolved in Air it reads what is know as wet standard volumetric flow or WSCFM For intake combustion processes you want to know the dry standard volumetric flow or DSCFM which is 21 so your fuel air ratio can be properly computed Knowing the specific Series 504FT User s Guide A4 DCN 360199 1 2 Rev A Kurz Instruments Inc humidity ratio you can use the following equation up to 5 and get results within 1 DSCFM WSCFM x 0 622 0 622 For example In Monterey California a typical dew point of 14 C corresponds to 70 grains Ib of Air based on the Psychrometric chart Since there 7000 grains per pound this is 1 specific humidity 0 01 Therefore DSCFM WSCFM x 0 622 0 622 0 01 WSCFM x 0 984 In other words 1 696 if the Air by volume is water vapor See the Kurz technical note on our web site for a derivation of the above equation Series 504FT User s Guide AS DCN 360199 1 2 Rev A Kurz Instruments Inc Flow Profiles And Correction Factors Velocity A gt 4 V average D Pipe Cross Section Low Velocity Reynolds Number Laminar Profile At low velocity a laminar velocity profile develops across the pipe cross section as shown in the figure Note that the peak velocity is about 30 higher than the velocity average V average Velocity A
80. PRESS E TO SET DATA LOGGING You press E to enter these menu screens DATA LOG IS OFF zON v OFF This screen turns the log on off using the v keys followed by E to accept the change or P to skip the screen NEW LOG HHH MM INTERVAL HHH The current log interval in Hours Minutes is shown You can change the hours in this Series 504FT User s Guide 36 DCN 360199 1 2 Rev A Kurz Instruments Inc screen by typing the value from the keypad or use the v keys followed by the E key to accept the change NEW LOG HHH MM INTERVAL MM This screen is to set the minutes of the log interval just like the hours System Units The Series MFT flow meters can show data in English or International units The main point here is if your flow is SFPM or Standard Feet Per Minute then the temperature will be DEGF or degrees Fahrenheit You cannot have mixed units like SFPM and DEGC at the same time This affects rates totalization flow temperature reference conditions etc All data viewed about the unit linearization correction factors etc are converted to the other system units automatically If your unit was calibrated in English units but used in international units the calibration data would not match To confirm the data you temporarily set the system of units to those used for the meter calibration data then set it back to what you want when finished viewing the data See the Menu State diagram DCN 342027 for a listing of all the unit ty
81. PUT UPDATES After approximately 3 seconds you will see the continuation of the warning message WHILE IN PROGRAM MODE After approximately 3 seconds enter the user access code 123456 and you accept this code with the E key ENTER ACCESS CODE After you have entered the access code you will see the following category screen PRESS ENTER TO RESET TOTALIZER which will alternate with the message Series 504FT User s Guide 25 DCN 360199 1 2 Rev Kurz Instruments Inc PRESS P TO SEE NEXT CHOICE OR This is the one of many menu categories within the program mode You navigate to the menu category of interest using the P key to advance to the next or you can use the v keys to move forward and backwards Once at the category of interest you press the E key to enter these menu screens While in program mode the category or screen will remain at a category or screen for two minutes then automatically exit if there is no user keyboard entry How to set the Meter ID First enter program mode Now using the P key walk through the menus until you reach PRESS E TO SET METER 1 FLOW You press E to set meter 1 which is assigned for flow rate measurement or press P until you reach PRESS E TO SET METER 2 TEMP You press E to set meter 2 which is assigned for temperature measurement Now you enter the meter ID ENTER METER ID 12345678912 Up to 12 characters can be used for the ID You can typ
82. User s Guide 8 DCN 360199 1 2 Rev Kurz Instruments Inc Problems Air flow of 100 000 Ib hr through a 3 x 3 square duct 90 F 20 PSIG a What is mass flow in SCFM b What is velocity in SFPM c The actual velocity is d What range does Kurz calibrate to Nitrogen flow of 10 ACFM through a 3 Schedule 40 pipe 110 F 50 PSIG e What is the area f What is the flow rate in SCFM g The velocity in SFPM is h The calibration max range is Answers on the Next Page Series 504FT User s Guide 9 DCN 360199 1 2 Rev Kurz Instruments Inc Worked out answers to the previous questions Kurz Standard Reference Conditions a b d e f g h Air density 0 0739 lb ft at 77 F and 14 69 psia 100 000 Ib hr x 1 hr 60 min x 1 ft 0 0739 Ib 22 553 ft min which is 22 553 SCFM since our density was at standard conditions Velocity Volume rate Area 22 553 3 x 3 2506 SFPM V V P P T T 2506 14 69 120 14 691 460 90 460 77 1087 FPM Calibrated rates are about 1 5 times the expected maximum So 2506 SFPM x 1 5 4000 SFPM ID of schedule 40 3 pipe is 3 Area 3 14 0 74 3 14 3 12 4 0 0491 ft Same as C above but the other way around with flow F F P P T T 10 50 14 69 14 69 460 77 460 110 41 49 SCFM Volumetric Rate Area Velocity 41 49 SCFM 0 0491 ft 845 SFPM
83. V 80 88g 889 ML CY9Lv8 023 Hdd 685 79 034 Ydd L8S v8 023 Hdd NOW 9149530 1404 NOILVOINANNOD 26654 SLNSWNYLSNI ZH A8 NI 03214 ATWOIJO3dS SV Ld3OX3 3504 YSHLO 303 YO 303 SH3HLO OL 66 0 ava 035010510 NOILVNYOANI YON LNSWNOOd SIHL 33HLI3N 035079510 NOILVWYOSNI 3HL NI GAGNON 33V SLHOIY AMVI3IMdOSd 03507152510 YO 5 SLNSWNOOG YSHLO OL GSYYSISNVYL YO Q3onaOosd3s 38 NVHS SNOISIA 2 3 y rora AW mel gQ 2215 OMG V Ln 531215 034304 YSLLINSNVYL MOT AVY JVI I 9 N IM 1 NOILOJNNOD LNdNI 00 0311051 SIN LSNI Zany Q3M3MOd YALLINSNVYL MOTI WHO 001 NI 1X3 01509 LW 531445 SWHO 082 8 181 9 181 10 3 01509 JW 531435 0 3 0 301509 1 1051 NON 4001 0 1089 V SI 41 0551 LON 0 31 0 089 NOlld0 q343MOd YAWOLSND 031105 ATIWOILdO YOLSISSY 4001 8 181 9 18L MANOLSND VOldAL zov LOY YJWOLSNO LW 531435 SLNANNYLSNI 2407 AG NI 0321 1 ATWOIdIDSdS SV 1432 3 JSOdYNd YSHLO 803 YO ONINNLOVINNVW 303 SYSHLO OL 301503 531435 1 1 4 SAVSOVIO 41415 NOLLVNYOANI 3HL NI 34V SLH IY AYVLAINdONd
84. address etc the best thermal mass flow meters available and to support our customers in their efforts to improve their business Kurz Instruments Inc 2411 Garden Road Monterey CA 93940 Tel 800 424 7356 Fax 831 646 8901 www kurz instruments com e mail sales kurz instruments com PAGE 5 SERIES 504FT IN LINE MASS FLOW TRANSMITTERS ORDERING INFORMATION Table lists the Parent Number of the standard models size temperature rating and optional safety approvals Table 2 lists the standard full scale flow range for each Model Number for most industrial gases TABLE 1 SERIES 504FT IN LINE MASS FLOW TRANSMITTERS Schedule 40 Model Parent Electronic Pipe Size and Safety Number Number Config Length Approvals 504 6 755906 TA TS 56 x7 NI XP FP 504 6 755907 TA TS 56 x7 NI XP FP 504 8 755908 TA TS x 8 NI XP FP 504FT 12 755909 TA TS x 10 NI XP FP 504FT 16 755910 5 175127 504FT 24 755911 5 14 x 18 NI XP FP 504FT 32 755912 2 x 24 NI XP FP 504FT 40 755913 2 x 24 NI XP FP 504FT 48 755914 3 x 24 NI XP FP 504FT 64 755915 4 x 24 NI XP FP 504FT 96 755916 6 x 24 NI XP FP FLOW IN SCFM SCMH Model Air and Most Number Other Gases Helium Hydrogen 504FT 6A 2 3 6 1 8 1 8 504 6 10
85. al density v actual velocity d sensor s diameter gas viscosity Series 504FT User s Guide 1 DCN 360199 1 2 Rev Kurz Instruments Inc It is the density and velocity pv product that makes the thermal anemometer a mass flow meter Density has units of mass volume and velocity v has units of length time So the pv product has units of mass time area or mass rate per unit area For example p is kg m v is m s so pv is kg s m The sensor is sensitive to the energy that the gas molecules hitting it take away in the form of heat This energy is proportional to the size and number of molecules that hit the sensor It does not know about density and velocity Small light gas molecules like hydrogen having a large surface area to mass ratio are more efficient at transferring the vibrational heat energy of the sensor surface than large heavy molecules like Argon Ar having a small surface area to mass ratio Standard Velocity is the pv product normalized to a standard density Standard Velocity pv p where p is the standard gas density For air this is 0 07387 Ib f at 25 C and 29 92 in Hg Note the density units cancel and you are left with velocity m s Typical units are Standard Feet Per Minute SFPM or Standard Meters Per Second SMPS If the gas density doubled you went from 15 PSIA to 30 PSIA at the same actual velocity the standard velocity would double This also means that if the pr
86. and what the thermal anemometer measures can be found in The units must be calibrated in the gas type to be measured or may be correlated from Air calibrations if available The process temperature measured with this series will read accurately within a few degrees above 100 SFPM 0 5 SMPS The unit has an optional LCD keypad local interface which can be used for complete setup control and monitoring The 504 534FT are a 3 4 or 5 wire device whose 4 20 mA output current is directly proportional to the flow rate A second 4 20 mA output can be used for temperature or a different flow scale The unit is available as 24 VDC 115 VAC 50 to 60 Hz or 230 VAC 50 to 60 Hz powered The 4 20 mA output can be nonisolated self powered or isolated loop powered The typical configuration has all the electronics in one enclosure known as the TA Transmitter Attached configuration or with just the sensor and a terminal wiring board in a separate enclosure from the electronics in the TS Transmitter Separate configuration Both cases are shown in the diagrams The TS configuration is used where the sensor enclosure ambient temperature is expected to exceed 65 C allowing the electronics to be mounted separately in a cooler place Additional product description specifications outline drawings and explanation of part numbers can be found in the product brochure DCN 367048 at the end of this section Important Issues for Accurate Flow Measurements
87. any in its judgment at any time deems that by reason of the financial condition of the Buyer or otherwise the continuance of production or shipment on the terms specified herein is not justified the Company may require full or partial payment in advance Certain orders may in the judgment of the Company because of their nature or the delivery involved require progress payments Pro rate payments shall become due as shipments are made Terms are cash net 10 days Amounts past due are subject to a service charge of 1 1 2 per month or fraction thereof Should the Buyer be in default of the terms stated above the Company shall add to the Buyer s account all reasonable costs including attorneys fees filing fees and any other fees or expenses deemed reasonable by the Company in collecting the amounts due PACKING The Company makes no charge for its standard packing for domestic ship ment The Buyer may be charged for export packing or other special packing required the cost of which will be quoted upon request No credit or deduction will be allowed if no packing is required DELIVERY Shipping dates given by the Company are approximate and are based on prompt receipt of all necessary information regarding the order The company will use its best efforts to meet the ARO date provided the Buyer supplies all necessary information and data promptly but cannot be held responsible for causes beyond its reasonable control The Company shall in no even
88. ble for any loss or other damages pertaining to the use of this publication This publication is generic in nature No guarantee is made that this publication conforms to the particular equipment produced for a particular application As built publications entail an additional charge Factory and on site training in the use and operation of Kurz Instruments Inc products may be made available at the buyer s expense subject to agreement by Kurz Instruments Inc The information contained in this publication is subject to change without notice Kurz Instruments Inc reserves the right to make engineering changes and product improvements at any time and without prior notice Consult your local Kurz Instruments Inc Representative or a Factory applications engineer for information regarding current specifications Kurz Instruments Inc assumes no liability for damages or injuries consequential or otherwise caused by the improper use and or improper installation of this product or where this product is used in any application other than what it was designed for and intended Kurz Instruments Inc expressly denies any responsibility if this product has been modified without Kurz Instruments Inc s written approval or if this product has been subjected to unusual physical or electrical stress or if the original identification marks have been removed or altered Series 504FT User s Guide ii DCN 360199 1 2 Rev A Kurz Instruments Inc Equipme
89. bs for AC Options 504FT 12 1050 0 00328 10 3 10 13 70 10 0 Ada ales for Remote Options 504FT 16 1 315 0 00546 12 35 1025 75 11 5 Note 2 Dimensions in mm 504FT 24 190 0 01337 14 18 4 10 55 10 0 18 0 504FT32 2375 0 02253 2 24 5 9 54 13 0 26 0 LED Keypads UWE Wa 504 40 2875 0 03248 24 24 5 12 03 175 365 AC YES 350 660 504FT 48 3 500 0 05057 3 24 5 1245 21 0 46 0 AC NO 2 82 6 60 504FT 64 4 500 0 08763 4 24 5 12 85 275 61 5 24VDC YES 3 50 2 63 504FT 96 6 625 0 19908 6 24 5 1391 435 970 24VDC NO 2 82 2 62 Kurz Instruments Inc 2411 Garden Road Monterey CA 93940 m Tel 800 424 7356 PAGE 8 Fax 831 646 8901 www kurz instruments com e mail sales kurz instruments com IMPORTANT NOTICE Specifications are subject to change without notice 2002 Kurz Instruments Inc DCN 367048 REV E 0001 11495 001 0 96 82 81 61 ajeos seunsseJd MIN 09 42 SC SL 145 18 1 4 06 doip XEN VO NU OL 00 Kurz Instruments Inc Quick Setup Guide The following is a listing with references for the essential issues needed for installation A more comprehensive quick start guide is 360207 Product Approval Requirements Explosive Atmospheres To maintain safety ratings the unit must have conduit or cable gland seals direc
90. ccept the new ID Finally you press c twice to clear back up to the executive state Flow Units In the SET METER 1 FLOW menu category after the meter ID screen you find the screen for selecting the flow units volumetric or mass The screen shown below has the DISPLAY NEXT v where next is for the flow units The options depend on the type of linearizer data you have For an in line unit like the 504FT you can chose SCFM SCFH PPM PPH for English units and SLPM SCMH or for international units A typical screen looks like DISPLAY NEXT v FLOW IS PPM To select the units of interest you use the v keys Once it shows your units press the E key to accept it Duct Pipe Area To compute velocity from a volumetric flow measurement we must divide by the flow body area You enter this in square feet or square meters depending on your flow units You get to this screen from Program Mode Meter 1 Flow press E then press the P key until you reach the following ENTER FLOW AREA X XXXXXX sq units Series 504FT User s Guide 27 DCN 360199 1 2 Rev A Kurz Instruments Inc You type the value you want with decimal point then press the E local key or enter to accept the new value Flow Meter Correction Factors There are three available correction factors They are 1 Variable Correction Factor VCF which is rate dependent 2 Bias Correction Factor BCF which is a constant 3 Sensor Blockage
91. cter Ox0D The table below is the list of supported ASCII commands ASCII Command Description DOWNLOAD or download Download a configuration file from PC to the MFT UPLOAD or upload Upload the configuration file from the MFT to the PC QINCUR or qincur Query the current at Rp Sensor IRP QINPOW qinpow Query the power at Rp Sensor PRP QVEL or qvel Query the velocity QFLOW or dflow Query the flow rate QTEMP or qtemp Query the temperature The command will work only when the Series MFT is in the executive mode and the RS 232 communication is at REMOTE TERMINAL mode Refer to the topic Setup for Remote Terminal Mode for the setup Here is an example of how to query the velocity of the Series MFT from a PC running with a Terminal emulator program In this example the Hyper Terminal emulator program was used Once the communication between the Series MFT and the PC has been established if the terminal echo is ON Program is receiving data that is displayed by the Series MFT turn it OFF by typing the plus key on the keyboard for a cleaner screen The terminal echo will stop after the Series MFT receives the command Carefully type in the command because you will not see it displayed on the screen Start with Escape key followed by QVEL and terminate with Enter Once the Series MFT receives the command it will respond to the velocity reading at that time The command and response look li
92. ctice where other aspects of safety are concerned Kurz Instruments Inc is ISO 9001 registered to ensure that the products are always made in conformance of the EC type approved designs Signed Vom Date 10 01 2003 Setliff Position _ Sales Manager Document Number 430040 Revision B 2 of 2 Kurz Instruments Inc Appendix C Version 1 43 Installation and Operation Series 504FT User s Guide Cl DCN 360199 1 2 Rev A Kurz Instruments Inc Introduction is a Series MFT and PTA configuration upload download program for Windows with text translators to make printable files MFTCOMMC version 1 43 will make printable files of MFT 1 0x 1 1x 1 2x and 1 3x and PTA 1 xy configuration files Installation System Requirements An RS 232 port and Windows NT 98 or 95 operating systems With each MFT PTA unit is a floppy disk that contains the program files for and the original factory configuration of the unit To install this program you simply execute the 451017 1 43 self extracting installation program You will be prompted with a message telling you what version is being installed Next you get a WinZip dialog box to choose a destination directory for the installation The default is C Kurz MFTCOMMC Once you have selected the destination directory chose the Unzip button It will say X files unzipped successfully Then you Cl
93. dvance through the menus or the C key twice to exit the Flow Cal Data category ADC Sample Rate The input measurement rate is set with this menu You may select 50 60 and 250 Hz The 250 Hz mode is only available if factory enabled when the unit is ordered The 50 Series 504FT User s Guide 43 DCN 360199 1 2 Rev A Kurz Instruments Inc and 60 Hz options have the property that if you have power frequency noise which is the same as the sample rate it is 100 rejected These power frequency rates support the16 bit input resolution The 250 Hz mode is for fast measurements but at only 13 bit resolution making it noisier You reach the ADC Sample Rate category from Program mode then press the P key until you reach the following PRESS E TO SET ADC SAMPLE RATE Press E to enter the sample rate screen RATE IS 50 Hz NEXT RATE v You select the ADC rate with the v keys then E to accept the entry Baud Rate The Baud rate for both the RS 232 and RS 485 interfaces is programmable at 1200 2400 4800 9600 14 4 k 19 2 k and 38 4 k You reach the RS232 Baud Rate category from Program mode then press the P key until you reach the following PRESS E TO SET RS232 BAUD RATE You press E to enter the Baud rate screens NEXT BAUDRATE v 9600 BAUD You select one of the Baud rates by pressing the v keys followed by the E key to accept the new rate Loading data from EEPROM to SRAM The data from the SRAM is used by the Microprocesso
94. e available via the keypad and 2x16 LCD This section of the manual presents the material to configure the Kurz Series MFT units N Overview of the User Interface After boot up or power on the unit will scroll the display showing some of the principal keys to launch operation The scrolling screens show the meter ID s Rate Totalization and some of the help screens This permits viewing of the flow and temperature data through a glass window without opening the cover or using any special tools This power up state is known as the executive mode If you access the keypad and press the D function key this will permit viewing of the meter data for flow or temperature Pressing the P function key accesses the programming mode The user code is 123456 followed by the E key to accept this code If either mode is selected and there is no keypad action within two minutes it will revert to the executive mode It is important to know that while in program mode the outputs will not update and will remain frozen at their values when you first entered the program mode All of the above menus may be accessed via the RS 232 or RS 485 ports using a terminal emulator program You can set the baud rate between 1200 and 38 4 k The primary difference is that the new displays scroll up the previous displays instead of over writing in place like the LCD does The function keys in terminal mode are the same as the 4x5 keypad but in lower case Ther
95. e by jumpering 24 V from the VC terminal to the on the 4 20 mA terminal Then the 4 20 mA output would be taken from the 4 20 mA negative terminal to ground To use it in this mode the receiving current should be sensed with an isolated input to avoid ground loop currents This isolated input is often just a differential mode receiver The 4 20 mA circuit has a 7 V compliance at the full 20 mA current The internal voltage supply about 17 V from a 18 V supply which powers the loop current limits the maximum load resistance to 500 or a 10 V load With higher voltage supplies you have correspondingly higher load resistance available As a loop powered 4 20 mA output and 24 V power supply you can drive 800 Do not exceed 36 VDC on the loop powered interface or you may have leakage current from the protective MOVs causing an error in the measurement In summary a loop powered configuration places a customer provided DC power source the Series MFT output and load resistance s all in series NE 43 alarm support on the 4 20 mA signal is also provided This means normal Series 504FT User s Guide 10 DCN 360199 1 2 Rev A Kurz Instruments Inc operation is clipped between 3 8 and 20 5 mA Sensor kickouts low and high will cause less than 3 6 mA or more than 21 mA respectively Alarms The two optically coupled solid state relays SSR may be used for just about any flow logic you can think of sensor error output or totali
96. e high NE 43 alarm 21 mA and flows below the low kickout value will set the low NE 43 alarm 3 6 mA 58 DCN 360199 1 2 Rev A Kurz Instruments Inc Return Shipment RMA Return Material Authorization Number If you believe your unit is not working properly contact the Kurz Customer Service Department at 831 646 5911 or send E mail to service kurz instruments com Please have the following information ready to give to the Kurz Customer Service Representative Defective unit s model number and serial number Detailed description of application and type of environment unit is being used in Detailed description of perceived problem Type of gas Flow range and standard conditions unit is to be recalibrated at Any special QA requirements nuclear or military application oxygen service special calibration or certification etc Technical contact s name and phone number Billing contact s name and phone number Complete shipping address Complete billing address You will then be issued an RMA number Kurz personnel will refuse to accept return material shipments if an RMA number is not visible on the outside surface of the shipping container Cleaning of Material to be Returned Thoroughly clean all material to be returned to Kurz Because we serve a diverse customer base there is a risk of receiving contaminated returned material from our customers When uncleaned material is received a
97. e is also a command which will turn off the display or echo of the display characters to the serial ports This is accomplished by pressing the key shift Pressing this again will toggle it back on The unit still responds to the keyboard commands q I and escxxx when the echo is off The up arrow shift 6 above the 6 key is the same as YES and will move you from one screen to another Alternately you can use the down arrow V small v or NO to move from one screen to another in the opposite direction A summary of these single key commands can be found by pressing from the terminal keyboard Series 504FT User s Guide 16 DCN 360199 1 2 Rev A Kurz Instruments Inc Navigating the Menus Pressing P or D will advance the menu categories forward in that mode one screen at a time without changing anything If you continue pressing the keys you will end up back where you started If you overshoot the menu category of interest you can backup V key Alternately you can also move forward with the key Once you enter a menu category within program or display mode you can only advance the screens with the D or P key depending on the mode you re v keys within the menu categories used to change entries or selections Selecting Menus You select a menu category of interest by pressing the E key or Enter on the remote terminal Sometimes you have the option of choosing more than one meter or
98. e needed Enter the value using the keypad or v keys followed by pressing E to accept the entry ENTER ALARM 1 This screen is used to assign the pulse output to an actual alarm port or SSR 1 or 2 You enter the alarm number from the keypad or use the v keys followed by E to accept the entry The next screen jumps to pulsed output 2 if configured and you repeat the above screens Sensor Flow Calibration Data The menu category FLOW CAL DATA is for the calibration data or linearization tables reference pressure and reference temperature You reach the FLOW CAL DATA category from Program mode then press the P key until you reach the following PRESS E TO SET FLOW CAL DATA You press the E key to enter this menu category FACTORY STP REF TI DEGF 14 69PSIA Series 504FT User s Guide 40 DCN 360199 1 2 Rev A Kurz Instruments Inc This is a display of the standard reference conditions when it was calibrated from the factory press the P key to advance to the next screen GAS NAME IS DRY AIR This is the name of the gas that was calibrated and the flow calibration data is referenced You can change the name of the gas if it is calibrated for a different gas Press the P key to advance to the next screen NEW TEMP REF 77 DEGF This is the current reference temperature of the calibration data The reference temperature can be changed by entering the new value followed by the E key If the value is changed the linearization
99. e numbers directly from the local keypad but must use the v keys to select other characters and punctuation The character options are 1 2 95 amp 0123456789 2 2 ABCDEFGHIJKLMNOPQRSTUVWXYZ Blank in that order starting with the blank and pressing the key To accept the character entry you press the E key Then you start the process over for the next character To correct the last character you press the D or backspace key The D can be repeated to clear from the right to the left one character at a time If you want to clear the whole ID press the C key once then start over Once the meter ID is entered you press E once Series 504FT User s Guide 26 DCN 360199 1 2 Rev A Kurz Instruments Inc or twice depending on how you entered your last character to accept the new ID Finally you press C twice to clear back up to the executive state Meter ID with a Remote Terminal If you are using a remote terminal this process is a lot easier because you place the keyboard in Caps Lock and start typing your meter ID using all the numbers letters and punctuation directly Keep in mind after each character the entry advances to the next character If you want to backup or make a correction you can use the shift D or shift C to send a lower case c or d which are the same as the local keys on the Kurz display keypad Once the meter ID is entered you press enter once or twice depending on how you entered your last character to a
100. een designed and manufactured to the EN50014 and EN50018 Standards for Flameproof and are marked EEx d IIB H2 T3 except for the 454PFT 16 This is a CENELEC approval not ATEX for Category 2 applications These products have been designed for operation from 20 to 60 C with a rated input voltage of 115 230 VAC 50 60 Hz or 24 VDC Conduit seals or cable glands must be directly attached to the enclosure The flameproof type verification was done by LCIE France under file 00 6002 and CSA International Canada under file LR87908 11 The electromagnetic compliance of the Series MFT is per Directive 89 336 EEC for Industrial Scientific and Medical ISM equipment in accordance with the EN 50081 1 light industrial emissions standard and the EN 50082 2 heavy industrial Document Number 430040 Revision B 1 of 2 Kurz Instruments Inc 2411 Garden Road Monterey CA 93940 USA 831 646 5911 www kurz instruments com immunity standard All units must be installed per the field wiring diagram 342022 and installation instructions in the Kurz Product Manuals 360197 or 360201 The top level technical report in support of this declaration is Kurz Document 430042 which covers both safety and electromagnetic compliance This declaration is made on the basis that the above equipment has been designed and manufactured according to the essential health and safety requirements and the Low Voltage Directive 73 23 EEC and uses good engineering pra
101. een that shows the sensor response filtered to simplify the data averaging operation The filter time constant is the same as the filter time constant used by meter 1 The same screen is used by Kurz and its subcontractors for manual calibrations of the unit To enter the manual calibration screen you enter Display Mode and use the key until you reach the following DISPLAY NEXT v METER 1 FLOW Press the D key until you reach the following IRP 0 1641 A AT X XXXX FUNIT This screen shows the filtered sensor current in Ampere A to make it easier to record with your rate velocity data Once at this screen press H to place on hold so the screen will not revert to the Executive Mode Remember you need about five time constants to let the filter response settle within 1 of the true reading When finished press the C key to clear the hold and the C key again to return to Executive Mode Series 504FT User s Guide 47 DCN 360199 1 2 Rev A CALIBRATION DATA AND CERTIFICATION DOCUMENT KURZ INSTRUMENTS INC 2411 GARDEN ROAD MONTEREY CA 93940 800 424 7356 831 6465911 X 831 646 8901 Web Site www kurz instruments com SENSOR CALIBRATION DATA Serial Number Filename MD1999X MD1999X aic Calibration Date 6 15 1999 Customer Code Customer Name 00000 Kurz Instruments Purchase Order No Model No 504FT 6A Part No MAPICS Item No Flow Units SCFM Reference Fluid Air Standard Conditions 7
102. erein referred to as COMPANY and may be accepted only on Company s printed acknowledgement form Purchase orders for Company products and services must be made out to the Company and must be received in writing at Monterey CA before performance is completed unless otherwise approved by the company QUOTATION AND PUBLISHED PRICES Until acceptance all written quotations are subject to change upon written notice to the buyer and are void after 30 days unless oth erwise specified on quote Verbal quotations are good only on the day on which they are made by an authorized representative of the Company The prices shown on the published price lists and other published literature issued by the Company are not offers to sell and are subject to confirmation by specific quotation and acknowledgement All published prices and discounts are subject to change without notice SEALED BIDS are subject to these Standard Conditions of Sale unless specified otherwise in bid and agreed to by the company TAXES Prices are exclusive of all foreign federal state municipal or other government excise sales use occupational duty or like taxes now in force or enacted in the future and therefore are subject to an increase equal in amount to any tax the Company may be required to collect or pay upon the sale or delivery of the items purchased TERMS The terms of sale shown in the published price list shall apply from the date of shipment by the Company If the Comp
103. ese screens the menus cycle around for Alarm 2 and repeat all the above Pulse Mode Totalizer Output The pulse output represents a totalized flow It can be expressed as 100 cubic feet per pulse 1000 pounds per pulse etc Once assigned to an alarm output see alarms each pulse will be a 50 ms millisecond contact closure This emulates the mechanical systems which flip a switch after so many turns on a wheel The pulse output is of no value in measuring rate because the update rate is too slow about every 110 ms for 60 Hz ADC rate To get rate with pulses you need a changing frequency and this output will not work that fast You reach the Pulse Output category from Program mode then press the P key until you reach the following PRESS E TO SET TOT PULSE OUTPUT You press E to enter this category If you cannot enter the category your meter was not purchased with this option ENTER PULSE OUTPUT 7H Series 504FT User s Guide 39 DCN 360199 1 2 Rev A Kurz Instruments Inc In this screen you enter 1 or 2 for the pulse output to be configured using the keypad or Av keys followed by E to accept the changes ENTER METER 1 In this screen you select which meter goes with the previously selected pulse output You choose 1 or 2 with the keypad or use the v keys then press E to accept the change ENTER TUNIT PER PULSE XXXXX X This screen shows you the totalizer units TUNIT for the meter selected and you enter the value per puls
104. figured some are configured then compiled into stand alone code like National Instruments LabView Iconics OPC ToolWorX product and Softing s XPress OPC Server Tool These use Microsoft Visual C and have wizards to generate the source code Some of the easiest to use are pre canned packages like that from KEPware Products or Automated Solutions Their servers can do many channels and tags but only capture one tag per transaction The custom programs can read many registers at the same time like flow and temperature from the Kurz MFT line with one data packet from the Modbus master doubling or more throughput A contemporary and comprehensive reference book is OPC FUNDAMENTALS IMPLEMENTATION AND APPLICATION by Frank Iwanitz and Jurgen Lange 2002 Huthig Verlag Heidelberg This can be ordered from the OPC Foundation website G10 Kurz Instruments Inc Series MFT ASCII Commands The Series MFT allows the user to access internal data remotely using a PC or Lap top computer with an RS 232 or RS 485 Full Duplex connections With terminal Emulation Software like Hyper Terminal data can be accessed from the Series MFT by using ASCII commands The format of the command is start with Escape character 0x1B followed by the ASCII command and terminated by Return character 0 00 The response except for UPLOAD and DOWNLOAD is start with Greater than character Ox3E followed by the data and terminated by Return chara
105. for connecting the enclosure groups which meets the CE requirements is to use flexible bellows tubing with compression fittings between the enclosure groups As with the other methods conduit seals directly attached to the enclosures are required to meet the explosion proof requirements A readily available semi flexible commercial type is used on gas appliance hookups These seamless flexible gas connections are Series 504FT User s Guide 12 DCN 360199 1 2 Rev A Kurz Instruments Inc up to 6 feet in length and have compression adaptors to NPT fittings Thread adapters or bushings may be required for the Kurz enclosures which are 3 4 FNPT Not recommended for CE compliance on the 5 wire sensor connections of the TS configuration Reason not to use it Unshielded twisted No shielding Pair UTP Armor Cable Spiral wrap armor wires are not an EMI shield Looks like an inductor at RF frequencies Flex Conduit Spiral wrap shell is not an EMI shield Liquid Tight Conduit Better shield than flex conduit but will not hold up well over time due to oxidation of the metal wrap joints that degrade the EMI shield EMT Conduit Good shield but no peripheral bond at the joints Series 504FT User s Guide 13 DCN 360199 1 2 Rev A Kurz Instruments Inc Orientation of the LCD Keypad Turn the power off to the unit before performing this procedure to prevent damage and protect you from explosions ignited from electrical sparks The
106. h 50 85 36 Digester Gas 6076 Ch 40 86 FEATURE 9 PROCESS TEMPERATURE COMPENSATION NOTE 37 Digester Gas 70 Ch 30 87 Option Description 40 Nitrogen 90 01 Standard Temperature Compensation over the process temperature 44 94 range of 40 C to 125 C for all gases Uncertainty 3 0 025 C Xygen of Reading A 75 SFPM 0 25 SEPM C above or below 25 C 46 Propane 96 9 m 21 Velocity Temperature Mapping VTM with two velocity calibration data 99 Special Gas Calibration including mixed gases Specify sets over the process temperature range of 0 C to 125 C for all gases Uncertainty 3 of Reading A 75 SFPM 27 Velocity Temperature Mapping VTM with three velocity calibration data sets over the process temperature range of 0 C to 200 C for Air Oxygen and Nitrogen only Uncertainty 3 of Reading A 75 5 Note 1 is the flow area of the Mass Flow Body 54 ft see Table of the outline drawings Accuracy is dependent upon a minimum of 30 unobstructed straight upstream and 10 downstream pipe diameters D in Table 3 as measured from the sensor location and the absence of line size changes at the inlet exit of the Series 504FT Mass Flow Transmitters ORDERING INFORMATION Using the In Line Mass Flow Transmitter Part Number Order Sheet n Complete the application information section n Enter the complete Series 504FT Part Number
107. he 504FT in line mass flow transmitter is generally mounted with pipe fittings or on a flange See the product brochure DCN 367048 for Kurz mounting options When selecting a mounting design it is important to consider the force that will be exerted on the flow body or flange when the process fluid is under pressure The pipe sealing compound or flange gasket materials must be compatible with the process fluid Things to watch out for 504FT flow body includes flow mixing plate at the inlet This plate helps to condition the flow entering the flow body and protects the sensor from being damaged by large foreign objects that might be loose in the line In addition to this low pressure drop flow conditioner it is recommended that an unobstructed straight run of pipe at least 15 pipe diameters long be provided upstream of the sensor and 10 pipe diameters downstream For best results close proximity to moving valves or other profile disturbances should be avoided When the dew point is close to your operation temperature and or you have saturated gas in un insulated ducting and condensation occurs on the walls do not mount the sensor pointing in a downward angle Pointing the sensor up or at the least horizontal will prevent condensation from reaching the sensor element and causing false high flow readings as the heated element evaporates the condensate Series 504FT User s Guide 7 DCN 360199 1 2 Rev A Kurz Instr
108. ide for field wiring diagrams Series MFT Modbus Command and Registers The Modbus function codes are expressed in byte length 8 bits Example function codes 01 Read Coil Status 02 Read Input Status 03 Read Holding Registers The Series MFT firmware version 1 2x supports only the function code 03 Read the Holding Registers of the Series MFT A register is defined as a 16 bit storage of data This means that an integer number will occupy one register floating point numbers will occupy two registers and two ASCII characters one register G6 Kurz Instruments Inc These registers are mapped to the internal variables of the Series MFT and are accessed by specifying the equivalent Modbus register The table below defines the Modbus registers of the Series MFT and describes the internal variables Modbus Series MFT Holding Register Data Type Register Description C Compilers Function Code 03 00 01 Flow Rate Float 02 03 Velocity Float 04 05 Temperature Float 06 07 Total Flow Float 08 09 Elapsed Time Float 10 11 Flow rate Correction Factor Float 12 13 Temperature Correction Factor Float 14 15 Flow Area Float 16 17 Density Float 18 22 Serial Number ASCII char 23 26 Velocity Unit ASCII char 27 30 Flow rate Unit ASCII char 31 34 Total Flow Unit ASCII char 35 38 Temperature Unit ASCII char 39 45 Flow Meter Identification Meter ID ASCII cha
109. ies MFT will respond by displaying the warning message After approximately 6 seconds the Series MFT will ask for the access code enter the access code 123456 factory default Press the v arrow repeatedly until you reach the menu SET DATA LOGGING Press E on the local keypad or the return from the computer terminal 4 Turn ON the data log and specify the data log time interval by entering the minutes then the seconds 5 Press C to exit to the executive mode Setup for Modbus Mode The Series MFT can be configured for Modbus protocol communications The Modbus mode of transmission can be selected as either Modbus ASCII or Modbus RTU The Series MFT must be used only as slave devices and they will work only if they are used with a master device RS 232 or RS 485 Interface can be used to communicate with the Series MFT The RS 232 can be used only as Full Duplex for point to point communication Master and Slave The RS 485 can be used as either Full Duplex or Half Duplex and can be point to point or multi drop 1 Master and 1 or more Slaves operation Each slave devices must have its unique device address within the network The individual slave device address can be assigned in the range of 1 247 WARNING Do not connect the Series MFT to the Modbus Network until it is properly configured The Series MFT may be setup for Modbus communications if the option is available Follow the following instructions to se
110. in a remote file The SRAM configuration data is stored external to the Series MFT by uploading it to a PC running a terminal emulator program with Xmodem This will transfer a binary file of about 2 2 kbytes in five seconds at 9600 baud To initiate this you enter the command EscuploadRet That is the esc or escape key on your keyboard followed by the text upload then the enter key or return key You will be prompted that it is ready to start the Xmodem receive on the PC If you spend too much time more than 60 seconds getting started you will have to issue the command again To copy this configuration back into a unit or transfer it to another Series MFT with the same configuration file format you use the command EscdownloadRet That is the esc or escape key on your keyboard followed by the text download then the enter key or return key You will be prompted that it is ready to start the Xmodem transmit file on the PC Again you have 60 seconds before it times out The above commands are effective only when the Series MFT is in the Executive Mode It is recommended to turn OFF the terminal echo during this process to avoid dumping character strings on the terminal screen Refer to the section Overview of the use on how to turn the terminal echo ON and OFF Series 504FT User s Guide 21 DCN 360199 1 2 Rev A Kurz Instruments Inc To make a printable file of this configuration file you must use MFTCOMM 451015 de
111. int which is the sensor s location not the duct average flow Ignoring this issue can cause a 30 error at low flow that diminishes at higher flow rates due to the duct velocity profile Unless you have invested the time in field calibrations only relative measurements can be made Accuracy requires a field calibration On the other hand to avoid this field calibration issue the in line flow meters will provide an accurate out of the box calibration Of course you must follow the guidelines to avoid flow disruptions from being too close to the sensor For either in line or insertion flow transmitters locating a sensor close to a valve up or down stream will give different readings up to 15 for in line and much more for insertion depending on the position of the valve even at the same average flow rate Uninsulated pipe duct can have a temperature profile which will make the sensor reading too high or low depending on the sensor location and the duct s radial temperature gradient A unit inserted with the velocity element in the center or on the insertion side of center will read lower for ducts with a hot core and colder walls than the same duct with no thermal gradient Conversely It will read high if the duct core is cold and the walls hot A unit inserted beyond center or the far side of the duct will have the opposite shift from that described above for the same thermal gradient Sensor Much of what is listed here does not need
112. isplay mode are menu categories METER A virtual single task device which measures an engineering value and may totalize its rate MFT Mass Flow Transmitter This is the general name given to several Series of flow meters from Kurz Instruments which all share the same firmware PARSE This is the text processing algorithm required to separate data values from a string of data PPH Pounds per Hour PPM Pounds per Minute PROFILE See Velocity Profile PROGRAM MODE The set of display menus for programming or configuring the meter PSIA Pounds per Square Inch Absolute pressure reference REBOOT When a computer restarts there is a delay from the power on until it is operating normally During this time it is loading its programs doing some testing and initializing things For the Series MFT this takes about seven seconds SBCF Sensor Blockage Correction Factor This is the geometric projection of the sensor element and probe support area subtracted from the duct area this quantity normalized by the duct area SCFH Standard Cubic Feet per Hour SCFM Standard Cubic Feet per Minute SCMH Standard Cubic Meters per Hour SCMM Standard Cubic Meters per Minute SCMS Standard Cubic Meters per Second SFPM Standard Feet per Minute Series 504FT User s Guide 64 DCN 360199 1 2 Rev A Kurz Instruments Inc SMPS Standard Meters per Second SPECIFIC HUMIDITY The absolute ratio of water mass to dry Air mass is the specific hu
113. ition sources outside an enclosure at its mechanical interfaces if a fault current was to flow Both internal and external grounds are available see the wiring diagrams DCN 342022 842028 in Appendix D ppendix D For hazardous gas areas wiring going into and out of the explosion proof enclosures must be done through a conduit seal or cable gland rated for explosion proof applications Class 1 Div 1 or Zone 1 attached directly to the enclosure These seals are not needed for non incendive designs Class 1 Div 2 or Zone 2 Series 504FT User s Guide 8 DCN 360199 1 2 Rev A Kurz Instruments Inc For hazardous areas it is important to not connect or disconnect any wiring when the circuits are energized the resulting spark could cause ignition This warning is shown on the safety label of the unit and is very important Two 3 4 FNPT fittings are provided on the electronics enclosure One port is typically used for AC power and the other for the signal wires DC powered models can use both ports for signal power wiring Consult your local electrical code for installation requirements Typical Hook Up Wiring Diagrams For both the AC amp DC powered versions of the Series MFT typical summarized wiring diagrams for most applications are available as defined in This covers the TS and transmitter attached TA configurations shows the power and connection terminals covers external inputs for example humidity transmitters
114. ke the line below Command Response EscQVELEnter gt 1000 00 G11 Kurz Instruments Inc THE UPLOAD and DOWNLOAD Commands These two commands will allow the user to save the configuration of the Series MFT to the PC disk drive and Update the configuration of the Series MFT from the PC using the configuration file These two ASCII commands are associated with XMODEM protocol to transfer the file The following are examples of how to save and update the configuration of the Series MFT using the UPLOAD and DOWNLOAD command respectively The examples assume that the Series MFT and the PC or Lap Top have already established communications and use the Hyper Terminal emulation program Saving the Configuration to the PC disk drive If the terminal echo is ON press the plus key on the keyboard to turn OFF Type the command EscUPLOAD Enter the Series MFT will respond with prompt gt 454 504FT Ready to Transmit File gt XMODEM Receive File from 454 504FT From this point click the Transfer on the Hyper Terminal menu bar and click the Receive File a new window just like below will popup Receive File Place received file in the following folder Ie Skurz amp mftcommc Browse Use receiving protocol modem m Close Cancel Enter or browse the folder where you want to save the configuration file Select the protocol Xmodem to receive the file Click the Receive button when you are done A new window
115. ls are clipped to stay between 3 8 and 20 5 mA shows the NE 43 implementation for the Kurz MFT Series Series 504FT User s Guide 22 DCN 360199 1 2 Rev A Kurz Instruments Inc lt NE 43 Alarm Low Value Kick out NE 43 Saturate Saturate Alarm igh Val 5 Normal Operation 0 3 6 3 8 20 5 21 mA Figure 4 NE 43 Alarm signaling on the 4 20 mA outputs Series 504FT User s Guide 23 DCN 360199 1 2 Rev Kurz Instruments Inc Configuration Changes over the basic navigation information in the operation chapter looking over After reading the Signal Flow diagram in Appendix F and Menu State diagram DCN 342027 1 2 in Appendix E you can setup or configure anything you need for your Series MFT unit This section provides detailed step by step setup instructions with explanations of what the various parameters are for Warning When in Program Mode the analog outputs will freeze at their last value until you exit this mode The digital ports log commands etc remain operational however Any control system using the analog signal from a Series MFT unit should be placed into manual control before entering program mode to prevent your control loop from latching up at full or minimum output Entering Program Mode From the Executive mode press the P key and you will see the following warning message screens They will hold about 3 seconds long WARNING NO OUT
116. measurements The Sensor Kick Out feature is used to set the fault limits PROGRAMMABLE CORRECTION FACTORS A multi point Variable Correction Factor VCF may be used to correct the flow calibration data to meet in situ or laboratory flow tests A Bias Correction Factor BCF may also be selected METER FILTERTIME CONSTANT digital filter time constant may be set for each METER which affects the display readings and the 4 20 mA outputs The time constant may be set from 0 to 600 seconds SELECTABLE STP CONDITIONS The mass flow calibration data is referenced to the Kurz laboratory standard of 77 F 14 69 PSIA 25 C 760 mmHg The user may change the STP conditions BAUD RATE SELECTION The user may set the RS 232 RS 485 baud rate to 1200 2400 4800 9600 14400 19200 or 38400 COMPATIBILITY WITH SERIES 155 MASS FLOW COMPUTERS A Series 504FT ordered with the two 4 20 mA Outputs and the 24VDC power supply with or with out the LCD Keypad and Alarm Relay Pulsed Outputs is fully compatible with the inputs and features of the Series 155 Mass Flow Computers Thus the user may obtain the advantages of flow and temperature mea surements Velocity Temperature Mapping VTM with a rugged remote easy to use electronics enclosure with LCD Keypad power supply and all of the other features of the Series 155 Mass Flow Computer Please see the Series 155 brochure 4 20 mA OUTPUTS These loop powered outputs are optically isola
117. mer is responsible for materials of construction selec tion and for materials suitability for the intended use of Kurz equipment The Company shall not be liable for installation charges for expenses of Buyer for repairs or replacement for damages from delay or loss of use or other indirect or consequential damages of any kind The Company extends this warranty only upon proper use and or installation of the product in the application for which intended and does not cover products which have been modified without the Company s approval or which have been subjected to unusual physical or electri cal stress or upon which the original identification marks have been removed or altered Whenever the design of the equipment to be furnished of the system in which it is to be incorporated originate with the buyer manufacturer s warranty is limited specifically to matters relating to furnishing of equipment free of defects in material and workmanship and assumes no responsibility for implied warranties of fitness for purpose or use Transportation charges for material shipped to the factory for warranty repair are to be paid by the shipper The Company will return items repaired or replaced under warranty prepaid items shall be returned for warranty repair without prior authorization from the Company PATENT AND TRADEMARK INDEMNITY The Company will at its own expense defend any suit against the Buyer for the infringement of United States patents and
118. mes or just skip it on a polling cycle and not report an error unless it does not respond after X tries OPC Connectivity OPC is a software standard that works with the Windows operating systems locally and networked to allow information to flow between many different OPC servers and OPC clients Several venders make OPC servers that can be configured to issue the Modbus commands for our MFT line of flow meters This data can be used by any OPC client program like Excel Wonderware Lookout Fix32 etc This separation of the instrument driver from the client program HMI increases the software efficiency of both because one can be upgraded or changed without regard for the other and has been a big help over the recent years since OPC was started OPC stands for OLE for Process Control and is based on Microsoft s COM DCOM component and distributed component technology technology along with Active The COM package was an outgrowth of DDE dynamic data exchange and OLE object linking and embedding In the late 1990 s the OPC foundation was started www opcfoundation org The OPC foundation is also working on support for XML super set of HTML for tagging data in a web page to bring it into compliance with the NET initiative They are also working on another project known as OPC DX which will allow different network protocols to communicate with each other Therefore a Foundation Fieldbus FF network device could work with an Device
119. midity o The saturation point of water vapor in Air is temperature dependent The percentage water vapor compared to the saturation point is known as relative humidity given in a percentage by the weather forecasters STANDARD VOLUMETRIC FLOW is the pv product multiplied by an area like a pipe Cross section normalized to a standard density Standard Volumetric Flow Area x Standard Velocity where is the actual density is the actual velocity and p is the standard gas density and A is the area STANDARD VELOCITY is the pv product normalized to a standard density Standard Velocity pv p with units of velocity where p is the actual density v is the actual velocity and p is the standard gas density For air this is 0 07387 lb ft at 25 C and 29 92 in Hg VTM Velocity Temperature Mapping This is a calibration method where data at several temperatures are loaded into the flow meter Flow signal linearization and then interpolation between the different temperature data sets are performed This method is a second order correction to the sensors response and provides a more accurate temperature compensated flow measurement VELOCITY PROFILE Due to drag and viscous fluid flow the velocity in a duct tends to be its highest in the center and goes to zero at the duct walls This shape is bullet nose at low velocities known as laminar and flattens out at the higher more turbulent flow rates A velocity dependent
120. n Apjdsip ui paXojdsip eq juDjsuoo L YILIN jo n DA eu uo spuedep 02 s SIUL 31VM 69 S 110498 Z MALIN J 9403S eu oso patoidsip eq 3un1vu3dA31 1940 943 4 1 ZE YILIN Kojdsip u pe bjdsip eu eun Z 313WN jo spuedep puedep urazy sseooJd s 12 ALISN3Q 1999 u MALIN Aojdsip u pe p dsip eq upo Jey 509 y jo 4 y einssaJd asn DJadwia pJopuDjS y wos s 29 Ajisueg SDH 82u9J8j8M 9 S SIUL ALISN3Q 438 02 4012 1 NOI1238N02 1940 MOTA 1 YILIN Jepun Ko dsip u uoo 49 5 10 42 498 49 puo uonjesu 49 498 4286 42 10120 91102 0101 S SIUL 39 6 V3uv 19901 293 MOTA If YILIN Jepun Aojdsip u paXoidsip upo j NDS JOL4OS edid jo 29 10 0001 995 580 2 S SIUL MO14 D 701 1990 243 4 YILIN
121. n the original Factory configuration is stored in the EEPROMs located on the analog input and output boards of the unit Series 504FT User s Guide 19 DCN 360199 1 2 Rev A Kurz Instruments Inc uoneunByuoyg sanas anliy Kdoo Aq 19 101984 Jo 2801015 popeojo1 15 pue Bm reAuHIJ 193J 1501 SI eA TWNIAOO LHIAL 8 Od uo 8gJuoo DABS eq qemSuuoo 1981 suononnsu o qeurureJgOJq aN 9 SULTRY 1919 A DCN 360197 1 2 20 Series 504FT User s Guide Kurz Instruments Inc To access the EEPROM memorys and completely replace the CPU EEPROM content you must enter to the program mode and select the menu item PRESS E TO LOAD DATA FROM EEPROM The menu will ask you if you want to reload the data from the EEPROM to the CPU Press the YES key followed by the E key to initiate the data transfer After the process the data in the CPU will be the same as the data in the EEPROM factory data An external method of saving the configuration is available with the upload download process via a PC terminal emulator program described next Configuration Upload Download The upload download process allows you to save not only the Factory data but your field customization
122. nt sold by Kurz Instruments Inc is not intended for use in connection with any nuclear facility or activity unless specifically sold for such applications and specific conditions for such usage are detailed If the equipment is used in a nuclear facility or activity without supporting quotation Kurz Instruments Inc disclaims all liability for any damage injury or contamination and the buyer shall indemnify and hold Kurz Instruments Inc its officers agents employees successors assigns and customers whether direct or indirect harmless from and against any and all losses damages or expenses of whatever form and nature including attorneys fees and other costs of defending any action which they or any of them may sustain or incur whether as a result of breach of contract warranty tort including negligence strict liability or other theories of law by reason of such use Kurz Instruments Inc 2411 Garden Rd Monterey CA 93940 5394 USA Telephone 831 646 5911 or 800 424 7356 FAX 831 646 8901 or 831 646 1033 www kurz instruments com Document Title Series 504FT In Line Mass Flow Transmitter User s Guide MFT V 1 2x Document Number 360199 1 2 Revision A Publication Date October 15 2003 Series 504FT User s Guide iii DCN 360199 1 2 Rev A Standard Conditions of Sale of Kurz Products ORDERS All orders received subject to acceptance by KURZ INSTRUMENTS INC at the factory in Monterey CA U S A h
123. o 73 19 8 4 r 6 9 Kurz Instruments Inc Appendix F MFT V1 1x Signal Flow Diagrams Series 504FT User s Guide Fl DCN 360199 1 2 Rev A y 30 13348 31 25 B 080 78 325 LAN 43A LAN 8034 TVNOIS 13N 2111 ONT SLNAWNULSNI ZANJ STVAOUdd 340 01 399 01 0 340 00 7 OL 339 00 91 XJA LAN 40 10203029 Snqpow 8 7 2 2 5 jno 0129 E 3711 101 5104100 357 SLAdLNO Wav 1V 8317114 011235 YILIN 431714 TV 11910 51014110 935 901VNV 34n1Vi3dN31 19 Gl GD 469298 043 394 8 66 2 8 888 WNO 122067380 394 509 9 v aiva OA dY 09H29 8 NOlLdld253Q AJY SNOISIA AN 13 11 831714 NOILOAS 37 N S 35 10 4831 2313 055350 5 YaLan S 5 BYA ddA SIN3ATIMISNI ZANA AB NI 03240 1 91319395 SV 1433 3 35094 9 8 10 304 YO ONIALOVINNVA 303 SH3H10 01 035012514 30 035 YO SIN3Nn20Q YFHLO 01 Q3uN3JSNVMI YO Q30n Oud3H 3H TIVHS
124. ocess gas is at the same temperature and pressure as the standard condition or the same density the standard velocity and actual velocity are identical Series 504FT User s Guide A2 DCN 360199 1 2 Rev A Kurz Instruments Inc Standard Volumetric Flow is the pv product multiplied by an area like a pipe cross section normalized to a standard density Standard Volumetric Flow Area x Standard Velocity Apv p where A is the area The units here are volume time m s Typical Displayed units are SCFM Standard Cubic Feet per Minute SCMM Standard Cubic Meters per Minute SCFH Standard Cubic Feet per Hour SCMH Standard Cubic Meters per Hour Mass Flow is obtained by simply multiplying the Standard Volumetric Flow by the Standard Density Mass Flow Standard Volumetric Flow x Apv The units here are mass time kg s Typical units are PPH Pounds per Hour KGH Kilograms per Hour Different gases have different standard densities This is often described as a reference density air multiplied by a specific gravity sg P PairSS Then Mass Flow Standard Volumetric Flow x p sg A vplp Series 504FT User s Guide A3 DCN 360199 1 2 Rev A Kurz Instruments Inc Conversion of Standard Velocity or Standard Volumetric Flow to actual requires only scaling the result for the gas density according to the ideal gas law or where V V P P T T V 1s act
125. odify any products sold under this contract to avoid patent or trademark infringement provided such replacement or modification does not materially affect performance The Company s liability under this indemnity shall not exceed the purchase price of the infringing product DOCUMENTATION AND TRAINING In no event shall orders be accepted where payment is contingent on provision of documentation unless agreed to in advance Documentation is generic in nature no guarantee is made that the documentation conforms to the equipment produced as built As built documentation entails an additional charge The Company will supply reasonable written documentation including operator instructions Factory and on site training in use and operation of the Company s products may be made available at Buyer s expense subject to acceptance by the Company PROPRIETARY RIGHTS Kurz Instruments Inc proprietary rights are included in infor mation disclosed in instruction manuals user guides drawings and quotations or any other document or information disclosed No Kurz document or information disclosed therein shall be reproduced or transferred to other documents or used by others for manufacturing or for any other purpose except as specifically authorized in writing by Kurz Instruments Inc SUBSTITUTIONS AND MODIFICATIONS The Company assumes the right to make substitutions and modifications in the specifications of equipment designed by the Company providing that s
126. of the SSR Without the alarm normal do you want the relay closed normally closed N C or the relay open normally open N O You make the selection with the v keys then E to accept the change ALARM 1 NEXT v FLOWRATE This screen selects the alarm type as FLOWRATE SENSOR KICKOUT or VELOCITY if itis a flow meter You select TEMPERATURE OR SENSOR KICKOUT if it s a temperature meter Sensor kick out means if values set in the Meter kick out category are true then the alarm will trip Remember the kick out differs from a standard alarm Series 504FT User s Guide 38 DCN 360199 1 2 Rev A Kurz Instruments Inc in that the rate output goes to zero for the kick out meter response is assumed not valid You select the option of interest with the v keys then E to accept the new entry ALARM IS HOL NEXT TYPE v This screen is used to select the alarm types other than Kick out HI is for alarm on value going above the setpoint LO is for alarm on value going below the setpoint HOL is alarm if beyond the high setpoint or low setpoint You select the option of interest with the v keys then E to accept the new entry XX XXX MUNIT This is the setpoint screen for a LO or HOL If the flow goes below this value it will set the alarm You enter a value from the keypad or use the v keys followed by E to accept the entry The High alarm screen is the same as the Low alarm and will show up if needed for type HI and HOL After th
127. ose the WinZip utility Lastly make a Desktop shortcut or Start menu shortcut to the program MFTCOMMC exe in the new folder Now your ready to go Menus The first time you run MFTCOMMC it must be configured for the serial port and baud rate you will use for communicating to the MFT and PTA unit This is typically the COM serial port and 9600 baud You click on the menu Communication Port then select the port and baud rate followed by ok Mftcommc Version 1 43 Guide 2 Kurz Instruments Inc The File menu is used to select Upload Transfer a file from a or PTA unit to the PC Download Transfer a configuration file from the PC to the MFT or PTA unit Create Printable File convert a configuration file to ASCII text and write it to the PC disk drive View Look at a configuration file on screen Launches Wordpad Print Prints the last file converted to ASCII to your default printer The Update menu is used at the factory to load flow calibration data to a configuration file and is not discussed here The Communications Port menu is used to select the baud rate and port described under installation above The Help menu is not implemented yet but does tell you the version of the program under the About button Setup for Upload Download 1 You first connect a straight through RS 232 cable between the PCs COM port and the DB 9 RS 232 port on the user I O board of the Series or PTA unit 2 The MFT or PTA mu
128. our value or use the v keys then press E to accept the value HI XXXXX X UNIT AT 20 000 mA Now you enter the engineering value you want for the span or 20 mA output current Key in your value or use the v keys then press E to accept the value Press P to skip to the next screen where the above menu screens repeat for Output 2 Analog Output Calibration Independent of the analog output range or scale there is a calibration where an external meter is used to ensure that when the Series MFT unit is sending 20 00 mA that it really is This calibration should use a 4 75 digit DVM that will provide about 0 2 accuracy for the 4 20 mA current calibration 1 Connect the current meter to the output number you are working on The meter must be in series with a power supply to operate the opto isolated output See the field wiring diagram DCN 342022 Appendix D 2 You get to the Calibrate category from Program mode then press the P key until you reach the following PRESS E TO CALIB 4 20 mA OUTPUTS You press the E key to enter the output calibration category SET 4 000 mA TO OUT 1 UP DN v This screen shows that the Series MFT unit is sending what it thinks is 4 000 mA to Output 1 You use the up or key to increase the sending current if it is too low and the down or V key if the current is too high Each key press will change the output one tick one bit of 12 at a time Holding down the key will only change the value one
129. pes offered You get to the System Of Units category from Program mode then press the P key until you reach the following PRESS E TO SET SYSTEM OF UNITS You press E to select the system of units NEXT SYSTEM v ENGLISH You select between English and International with the v keys followed by E to accept the change Alarms The Series MFT has two SSR alarms which are shared with the pulse output if used You can assign the following events to an alarm Meter flow or temperature Sensor Kick out Series 504FT User s Guide 37 DCN 360199 1 2 Rev A Kurz Instruments Inc Totalizer Pulse Output see Set Pulse Output Once assigned the alarm can be On Off Normally Open or Closed Hi Low Hi Low and the set point for the above You reach the Alarms category from Program mode then press the P key until you reach the following PRESS E TO SET ALARMS You press E to choose the alarm setup screens SET ALARM 1 This screen selects Alarm 1 or 2 with the keypad or v keys Press E to accept the change or P to skip to the next screen ENTER METER 1 This screen assigns Meter 1 or 2 to Alarm 1 You choose with the keypad or v keys then press E to accept the change ALARM 1 IS OFF zON This screen turns Alarm 1 or 2 Off or On no matter its configuration using the v keys Press E to accept the change or P to skip to the next screen ALARM 115 zN O vzN C This screen selects the closure logic
130. r 46 52 Temperature Identification Meter ID ASCII char 53 54 Sensor Rp Current IRP Float 55 56 Sensor Rp Power PRP Float In order to access the desired data of the Series MFT The master will query the holding register that is mapped to the internal variable of the Series MFT For example if you want to read the velocity reading then the master must assemble command with the slave device address a function code 03 a starting register 02 the number of registers to read is 2 and calculate the error checking value Data formats for Kurz floating point straight Daniels Extensions and classic Modicon Modbus Kurz has implemented the straight binary mapping of the 32 bit floating point variables into the Modbus registers The Kurz byte order is 12 3 4 This method may also be known as Reverse 32 on some systems as the classic Modbus order uses 3 4 1 2 as the byte order When viewing the Kurz variables like Temperature and Flow if the numbers do not look normal try the other formats you have for interpreting the data registers G7 Kurz Instruments Inc Half duplex Modbus Serial Communications Example on an RS 485 bus Master Query Data Packet 12 11 Lead Time t3 t2 t1 t0 Response time t5 t2 t4 t5 t6 t7 Here we see the Modbus master issue a command with the slave responding Note that between the transmissions we have no signal RS 485 is a tri s
131. r a printable file is created the menu options for View and Print under File show up Both the view and print options use WordPad to view or print the file You close WordPad when done viewing 2 To print you select Print under the File menu When printing WordPad will be pulled up then closed automatically after sending to the default system printer Figure C1 shows a typical configuration file The length of this printable file depends on the number of data points temperature data sets and velocity correction factors etc Downloading a Configuration from the PC to the MFT or PTA Unit 1 Configure the hardware and software as described above 2 Transferring a configuration from the PC to the MFT or PTA unit is started by choosing Download under the File menu 3 You select the file to be transferred with the file Open menu 4 Chose the file type as All to see your files 5 Chose the proper directory then click Open after you have selected the file The screen will then pull up a dialog screen which says Wait DOWNLOADING THE MFT CONFIGURATION This takes less than10 seconds If it hangs up check your cable connections MFT or PTA power and is it in Executive mode You must terminate the program if it gets stuck Control Alt Del then select the task Mftcommc Version 1 43 Guide 4 Kurz Instruments Inc Figure C1 Sample printable file from MFTCOMMC KURZ MFT INSTRUMENTS CUSTOMER COPY INC COMMUNIC
132. r during run time and can be changed by the user in the program mode Some of the factory data is also stored in the EEPROM Meter settings area IDs alarms etc are only stored in SRAM When it Series 504FT User s Guide 44 DCN 360199 1 2 Rev A Kurz Instruments Inc is necessary the original sensor data from the EEPROM can be loaded to the SRAM You reach the Load Data from EEPROM category from Program mode then press the P key until you reach the following PRESS E TO LOAD DATA FROM EEPROM You press E to enter the load data from EEPROM screens RELOAD DATA NO YES OR NO You press the key followed by the E key to load the data to the SRAM or P or C to exit the Load Data from EEPROM category Series 504FT User s Guide 45 DCN 360199 1 2 Rev A Kurz Instruments Inc In Line Mass Flow Transmitter Calibration Air calibrations are performed in the Kurz 500E NIST traceable Mass Flow Calibration Facility For gas calibrations the customer has a choice of a laboratory calibration or a gas correlation calibration The mass flow calibration data is referenced to the Kurz laboratory standard of 77 Deg F and 14 69 PSIA 25 Deg C and 760 mmHg These conditions be altered to suit the user s requirements See the Configuration Changes for instructions on how to make these changes Field Calibrations Unless you have the facilities this calibration should be done by a gas calibration lab or the manufacturer The in
133. rements for EMI emissions and immunity Configuration upload download software using a PC Velocity Temperature Mapping VTM for wide ranging process velocity and temperature Input power options of 115 VAC or 250 VAC 50 60 Hz or 24VDC Y v Y Y v v Flash EEPROM program ready for user firmware up grades Flow ranges from 0 05 to 2000 SCFM Process Temperature Rating of 40 C to 200 C Built in flow mixing section Electronics operating temperature range of 25 C to 65 C non condensing with LCD Keypad option and 40 C to 65 C without the LCD Keypad option gt Process Pressure Rating of 300 PSIG gt Alloy C276 all welded sensor construction gt Fastest response to temperature and velocity changes gt Attitude insensitive gt Sensor lead length independent circuitry gt Non Incendive Explosion Proof and Flameproof Safety Approvals gt All components pass an extensive burn in test for high reliability gt Optional Modbus local area network with a read only control set Trademark of Square D Company gt Remote Electronics Enclosure option gt May be used with the Series 155 Mass Flow Computers to provide flow and temperature readings and with exceptional flexibility APPLICATIONS gt Industrial and process gas mass flow Fuel flow for burners and fuel cells NOx control using ammonia Combustion air to burners Metering semi conductor
134. res Electronics Removal of the electronics boards except the LCD keypad for orientation changes is not recommended The field servicing of the Series MFT at the board level is handled with the customer service department and is not discussed in this manual WARNING Proper ESD handling practice must be used when removing electronics boards from the unit The technician must use a ground strap between themselves and the units chassis Bootup or power up error messages are described on the of the Menu State diagram in Appendix E The configuration memory or SRAM 3 V cell voltage can be easily tested with a voltmeter by removing the LCD keypad or cover plate then placing the lead on the coin cell and the lead on the PCB mounting hardware or enclosure metal A new cell will read above 3 0 V and cells bellow 2 5 V are dead Less than 2 0 V and the SRAM will not hold the configuration when the power is off Power supplies If the LCD keypad is working then the 5 VDC power is ok If the display is back lit but there are no characters and the RS 232 is working then the 5 V supply may not be working see Table 2 for more common possibilities about the display If the unit measures the ambient temperature correctly then most likely all the power supplies are working the sensor is good and the input calibrations are good Keypad Test If you temporarily remove the W1 Run Program jumper on the CPU board reassemble and reboot you can
135. ruments Inc Appendix E Menu State Diagrams Pages 7 8 and 9 have been removed which are for the Factory access code Series 504FT User s Guide El DCN 360199 1 2 Rev A NOLLVHROI4NOO 12 4 18 13365 01 110425 300W 23 3 135 9 9901 VIVO 135 6 30 13385 awos V 21 120296 8 Aga oma 2215 66 02 8 914nH 8 8 5 338425 021 21 XJA 148 Fei usa alya 03323H2 6661 8 80 v NOM N O y alya AA NAYNQ SLNSAWNNYLSNI Ze po ANVl3hidONd AINO 350 012 3 804 68 10 5133 5 310N 59 uo uaaJog uJD V 79 19948 uo IDJUIWOW 77 jequinu 19948 0 29 91 uonounj y 895 01 5310 f 133 5 01 9 1 4 19995 9 19845 66 02 8 5006 140 Jed Y QAMdV 10114149530 SNOISIAZY NVYOVIC 52018 5 LAN 41003 A3012V4 JQOW WNOD 135 9 jeous 6 88 Alva anya ZEZ SN 135 1081078 bear ay 6 aes 6 jesus 225 WO3d33 viva 4 01 21 33113 H313A 135 j99us RES 51 1 0 36574 AILIN 135 211 101 135 19995
136. ruments com e mail sales kurz instruments com 2 4 6 8 n M 16 18 20 TIMEJSEC Fig 5 Sensor Temperature Response PAGE 3 SERIES 504FT SPECIFICATIONS Process Flow Rates 0 05 to 2000 SCFM Process Temperature Rating 40 C to 200 C Process Pressure Rating 300 PSIG Sensor Materials Alloy C276 Sensor Stings all Alloy C 276 and Monel materials are optional Flow Body Material 316L SS Alloy C276 and Monel are optional Repeatability 0 25 Velocity Time Constant second for velocity changes at 6000 SFPM at a constant temperature and second for temperature changes at a con stant velocity of 6000 SFPM Process Temperature Time Constant 8 seconds at a velocity of 6000 SFPM Velocity Accuracy See Feature 9 for overall accuracy including temperature effects Temperature Accuracy 1 2 of reading 1 C for velocities above 100 SPFM Pressure Drop at Full Scale Flow Range STP Air and most gases 24 w c Methane 16 w c Helium 4 w c Hydrogen 2 w c Power 24 VDC x 1075 115 230 10 50 60 Hz 15 watts max Enclosure Temperature Rating 25 C to 65 C with LCD Keypad option 40 C to 65 C without LCD Keypad option Enclosure Dual Chamber Epoxy Painted aluminum NEMA 4X 7 with glass window for display option Solid State Relays Optically isolated 8 ampere 24VACIVDC maximum Analog Outputs 4 20 mA Optically isolated user loop powered 12 bit resolu
137. s Flow Meters by contacting the Kurz Factory or by visiting our web site 7 Fr EN EJ EJ _ 4 Z Fig 5 504 FT LCD Keypad with Lid Removed FLOW ELEMENT CONSTRUCTION Figure 2 Shows a typical cross section of Model 504FT thru 504 16 Sensor support Adapter LREBGEEL MD sensor elements Fig 2 Typical Cross Section CALIBRATION CURVE Figure 3 The flow calibration curve is non linear having a non zero output live zero at zero flow and a nearly constant percent of reading accuracy Zero is a valid data point for a Kurz meter OUTPUT SIGNAL mA 220 160 0 2000 4000 6000 8000 10 000 12 000 VELOCITY SFPM Fig 3 Calibration Curve TIME RESPONSE TO FLOW AND TEMPERATURE CHANGES Figure 4 Shows the response of a Kurz sensor to a step change in veloci ty Kurz manufactures the fastest indus trial quality sensors available Figure 5 Shows a typical response to a step change in temperature 100 90 80 70 60 50 40 VELOCITY 30 20 10 0 2 3 4 5 6 7 8 9 10 TIME SEC Fig 4 Sensor Flow Response 2 VOLTS 3000 SFPM FLOW EEE OUTPUT LESS THAN 020 VOLT UPSET SIGNAL RATE 3000 SFPM 250 200 Kurz Instruments Inc 241 Garden Road Monterey 93940 Tel 800 424 7356 Fax 831 646 8901 www kurz inst
138. s and sub contractors incurred by the Company prior to receipt of notice of such change for all work rendered unnecessary by such change or incurred by the Company thereafter for all work required to effect such change In either case an amount determined by the Company in its discretion by applying to the amount such costs and other expenses and the Company s usual rate of profit for similar work In the event of any such change the Company shall further be entitled to revise its price and delivery sched ules to reflect such change CANCELLATION the event of cancellation the Buyer shall be liable for the payment of reasonable cancellation charges which shall not exceed the unit retail list price of the items cancelled and shall include among other things expenses already incurred by the Company actual liabilities against Commitments incident to the order involved and properly allowable indirect charges as well as a reasonable profit No delivery delay requested by Buyer on an order placed under this Agreement shall be effective unless covered by an amendment to the order that provides for the payment of any agreed upon costs the delay imposes on the Company and that is accepted on the Company s printed acknowledgement form Standard products only once delivered may be returned to the Company s discretion and upon approval from the Company in Monterey CA at a minimum charge for restocking of 20 of list price Return shipping charges are of Bu
139. s com V DCN 28050 Rev D Kurz Instruments Inc Table of Contents Series 504FT User s Guide vii DCN 360199 1 2 Rev A Kurz Instruments Inc Series 504FT User s Guide viii DCN 360199 1 2 Rev A Kurz Instruments Inc Series 504FT User s Guide ix DCN 360199 1 2 Rev A Kurz Instruments Inc Series 504FT User s Guide x DCN 360199 1 2 Rev A Kurz Instruments Inc Series 504FT User s Guide xi DCN 360199 1 2 Rev A Kurz Instruments Inc Series MFT ATEX Declaration of Compliance DCN 430040 Series 504FT User s Guide xii DCN 360199 1 2 Rev A Kurz Instruments Inc MFT VER 1 2x Menu State Diagram DCN 342027 1 2 Appendix F Signal Flow Diagram MFT Signal Flow Diagram DCN 342030 1 2x Series 504FT User s Guide xiii DCN 360199 1 2 Rev A Kurz Instruments Inc Introduction The Kurz Instruments 504 534FT series are in line mass flow transmitters or pipe duct flowrate sensing devices This bivariable transmitter also measures the process temperature The flow element is a constant temperature thermal anemometer which intrinsically measures the process fluid Reynold s number The net meter response is mass rate per unit area The engineering output may be scaled to represent standard velocity standard volumetric flow or mass rate Density changes are automatically accounted for negating the need for pressure and temperature compensation A complete description of how
140. scribed in Appendix This is a Windows program NT Win98 95 provided on a 72 floppy disk containing the Factory configuration of your unit Calibration of the Analog Output Operates similarly to the Series 155 Mass Flow Computer You enter the menu and must use an external meter to dial in the 4 0 mA Zero and then the 20 0 mA Span The v keys are used to raise or lower the output until it matches the two conditions listed Once they are in agreement you press the E key to accept this value See the onfiguration section of the manual for step by step instructions Calibration of the Analog Input There is no user calibration of the inputs This is a Factory process only If your transmitter is reading the ambient temperature within a few degrees when the flow rate is higher than 100 SFPM 0 5 SMPS then the input is properly calibrated and your sensor is most likely working also The of the manual discusses this further Alarms Flow Pulsed Totalization and NE 43 The Series MFT has two types of alarms The basic alarms from the meter value will trip high low or high low with flow or temperature Two solid state relays are used for this function These relays are shared with the pulsed totalizer output You assign the alarm relays for meter or totalizer operation Sensor failures can also be indicated with the solid state relays or the NE 43 alarm The NE 43 alarm is activated by the low or high value kick out Normal signa
141. shows the relationship between the various parts of the Kurz Series MFT display parameters is shown in Appendix F with a short definition of each To configure and manipulate the parameters shown in the signal flow diagram you will need to A ATEC which contains the Menu State diagram that shows all the menus and their order Between these diagrams and the basic menu navigation information described next you can figure out anything you need for your Series MFT unit Figure 2 Optional Keypad LCD A small finger or pencil eraser works best to hit the membrane keypad in the center of each key This display will mount on any 90 angle within the enclosure Shown here with the flow body to the right and power signal conduit ports on the top and bottom Power On Sequence Series 504FT User s Guide 15 DCN 360199 1 2 Rev A Kurz Instruments Inc For units with the optional LCD display you will see The green back light at power on The display will show Kurz Instruments Inc Display Driver 1 0 for two seconds It will clear then show Kurz Instruments Inc MFT V Start scrolling the executive state which is defined later This includes the basic mode command buttons and the meter summaries The analog output becomes active as soon as the executive state is reached which takes about seven seconds for the whole boot process The parameters you need to configure or setup your mass flow transmitter ar
142. splay is blank Back light is on but no characters on LCD Display is on but only reads Kurz Instruments Disp Driver V 1 x No RS 232 or RS 485 signal NE 43 Alarm not working properly Series 504FT User s Guide Sensor serial number has been changed from the Factory setting bridge board or CPU has been swapped Look at of State Menu diagram for LCD screens Appendix E Battery for SRAM has gone dead giving the serial number mismatch error See EEPROM or board has defective input or output electronics See Appendix E CPU is defective No power to the unit See no 4 20 mA signal Loose connectors between LCD and CPU board Defective electronics LCD contrast pot needs adjustment Loose connectors between LCD and CPU board Run Program jumper W1 on the CPU board has been removed Defective electronics The CPU is not working correctly Could be the Run Program shunt W1 is not installed Program in Flash memory is corrupted and must be reloaded Loose connector to the display Check the Jumper W3 on the user I O board for the proper RS 232 RS 485 position Only one of the two signals can be used at a time Check pin out of RS 232 Straight through DE 9 to DE 9 female to a laptop is recommended Check polarity of RS 485 wiring and pin out Check the settings of the flow and temperature meter kickout values The kickout high low control the NE 43 alarm Flows above the kickout value will set th
143. st be on and in executive mode You can not be in Display or Program mode for this to work correctly 3 Start the MFTCOMMC program and make sure its serial port is correctly configured see installation above Saving an MFT configuration on your PC 1 First setup the hardware and software described above 2 To save configuration you select File then Upload followed by typing a file name in the name field of the Save As file pop up window To see the other files in the directory you will have to change the Save as type to All Files This type has no impact on the files except what you see in the dialog box If you want to save the configuration file with the name Greatflowmeter then you just type this in with or without an extension Select the directory where you want to place the file The configuration file is only about 1 8 kbytes Mftcommc Version 1 43 Guide 3 Kurz Instruments Inc 3 During the file transfer a dialog box which says Wait UPLOADING MFT CONFIGURATION If you do not have the MFT or PTA unit plugged into the RS 232 serial port of the user I O board or the power is off this message will stay on the screen You may have to terminate the program to correct the error and start over Control Alt Del then select the task Viewing or Printing the Configuration File Once you have a configuration file you can then 1 Select the option Create Printable File under the File menu Afte
144. t described on pages 27 and B7 Setting the output range is described starting on page The flow and temperature meter output can be read digitally using the log command 1 describe the format and parsing requirements The Modbus ASCII and R TU protocol version will be available during 1999 Contact your Kurz sales representative for a Flash memory upgrade Flow Area Digital Communications Setting the flow area for your process transmitter to compute velocity from a flow measurement is described on pages 27 amp 28 Correction Factors from in situ calibration To account for any anomalies you can set a flow dependent multiplier See and pages for instructions on this The flow meter will be repeatable for most installations even without the correction factors needed to achieve an accurate absolute flow reading Configuration Saving You can save the battery backed up configuration you have just now completed to a PC using the configuration upload download process described on Series 504FT User s Guide 6 DCN 360199 1 2 Rev A Kurz Instruments Inc Installation WARNING Your warranty will be void if your unit is not installed in accordance with this user s guide Make sure you read and thoroughly understand the installation portion of this guide before you attempt to install your unit If you have any questions contact your Kurz customer service representative before attempting installation Mounting T
145. t Hyper Terminal After this you may be asked for your Windows disk so this may be installed Refer to your Windows documentation if you need more information on Hyper Terminal Once the program is installed you start Hyper Terminal which will prompt you for a name of the connection ie Kurz MFT then an icon Next you select the communications port ie COM 1 2 and last you press Configure and chose the baud rate to match your unit typically 9600 1 stop bit no parity 8 data bits hardware flow control Once you have verified this works save the configuration under File Save RS 232 This interface uses a simple straight through ribbon cable with female DB9 connectors on both ends between the board where the power connects to a PC s RS 232 Series 504FT User s Guide 11 DCN 360199 1 2 Rev A Kurz Instruments Inc interface Jumper W3 selects RS 232 or RS 485 for the digital communications RS 485 This mode is jumper selected at W3 on the I O board You may operate full or half duplex using jumpers W1 W2 The remote terminal mode can operate on the RS 485 instead of RS 232 for long distance operation The twisted pair wiring is typically connected as shown on This shows a multipoint drop with a Tee connection outside of the enclosure and a short drop to the unit This way the serial bus stays connected even if one transmitter is removed To use the multipoint mode the unit must be configured for the Modbus ASCII or RTU protocol
146. t Kurz the customer will be Series 504FT User s Guide 61 DCN 360199 1 2 Rev A Kurz Instruments Inc contacted to arrange at their expense for the material to be picked up from Kurz and cleaned before Kurz personnel handle the equipment Shipping Material to be Returned Securely package cleaned material When uncleaned material is received at Kurz the customer will be contacted to arrange at their expense for the material to be picked up from Kurz and cleaned before Kurz personnel handle the equipment along with a packing slip referencing the RMA number model number and serial number in a sturdy container with the return address and RMA number clearly marked on the outside surface of the container Kurz personnel will refuse to accept return material shipments if an RMA number is not visible on the outside surface of the shipping container Ship pre paid to the following address KURZ INSTRUMENTS INC CUSTOMER SERVICE DEPT 2411 GARDEN RD MONTEREY CA 93940 5394 USA Series 504FT User s Guide 62 DCN 360199 1 2 Rev A Kurz Instruments Inc GLOSSARY CORRECTION FACTOR For insertion flow transmitters this is a number typically between 0 7 and 1 0 needed to convert a point velocity reading to the true duct average This number is velocity or flow rate dependent It can also be used to trim an in line flow transmitter but the numbers are much closer to unity since the velocity profile information is built into the calibration
147. t be responsible for loss of profits damages incurred by the buyer to its customers or other consequential damages resulting from Company s failure to deliver within the time specified herein In the event of any delay requested by the Buyer or any delay caused by lack of shipping instructions the Company will store all items ordered at the Buyer s risk and expense and will invoice the Buyer for the full contract price of the apparatus on or after the date on which the same is ready for delivery If manufacture is delayed by the Buyer payment shall be made based on the percent of completion and the contract price SHIPPING COSTS AND INSURANCE Shipments are f o b factory Monterey CA freight and insurance prepaid and added or freight collect unless otherwise requested and agreed to by the Company If insurance is being provided by the Buyer a formal statement of Buyer responsibility must accompany purchase order Customer is responsible for notification in writing to the Company within 72 hours of any loss or damage of the shipment if the ship ment was made f o b destination In the absence of specific instructions the Company will select the carrier CHANGES The Buyer may from time to time but only with the written consent of the Company make any change in the order In the event of any such change the Buyer shall pay to the Company the reasonable costs and other expenses including engineering expens es and all commitments to its supplier
148. t over time The effect of dirt accumulation in most cases on a thermal anemometer is to reduce the reading for a given flow rate The best way to know the impact of the dirt is to check the calibration against some known reference second unit or method Despite the above discussion it is the tolerance for dirt that makes the thermal anemometer a great industrial product In contrast turbines or Pitot tubes will completely stop working in dirty environments When cleaning a stiff horse hair brush with soap is recommended to clean the sensor More aggressive cleaners are used at your own risk Be careful not to bend the sensor elements as this can change the calibration or damage the unit Corrosion of the sensor probe or probe support will eventually cause contamination to get into the sensor or electronics and the unit will fail shortly thereafter After about five years the 3 V lithium cell which backups up the configuration data can give out This lifetime depends on unit temperature and time spent with the power off It is expected to last ten years A preventative maintenance schedule would replace it Series 504FT User s Guide 50 DCN 360199 1 2 Rev A Kurz Instruments Inc before it goes out See the in this chapter to measure the cell voltage Flow issues The most common accuracy problem with an insertion flow element or transmitter all point velocity technologies Pitot thermal turbine vortex is that it measures at a po
149. tate logic low high and off The delay between asserting the RS 485 bus and the serial data is known as the lead time 11 00 15 4 The data packet length t2 t1 or t6 t5 depends on the message and the baud rate The delay between the packet and release of the RS 485 bus is the lag time t3 t2 or t7 t6 The delay between the master and slave packets is the response time t5 t2 Typical MFT Specifications RTU protocol 38 4 kbits s Lead time 1 5 ms Lag time 5 0 ms Response time 50 ms 10 ms Many of the master devices are programmable for their baud rate lead and lag times and protocol Note that if the master lag time is too long this transmission will collide with the slave response and will increase the data transmission errors Because of these lead lags and response times the Series MFT is limited to about 6 transactions sec at 38 4 kbaud For large Multipoint systems this still allows a complete 12 point duct measurement to be made in 2 seconds As the CPU in the MFT flow meters is used for many different functions it may not G8 Kurz Instruments Inc always be ready to respond to a command from the Modbus master This is a common limitation for Modbus devices For this reason it is recommended that you pole it multiple times or just skip this address if it does not respond during an address scan of the devices on the Modbus network Many of the Modbus drivers are designed to pole a device multiple ti
150. ted and include the NAMUR NE43 recommendation regarding fault detection The fault conditions are gen erally set at the Kurz Factory but may be set by the user The user may easily calibrate the 4 20 mA outputs by entering the Output Calibration menu measuring the output and adjusting it using the LCD Keypad up down buttons The 4 20mA outputs may be set up for non isolated self powered operation NAMUR NE43 COMPLIANCE Kurz meets the NAMUR NE43 recommendation for the 4 20 mA outputs under a fault defined by the sen sor Kick Out menu A low flow or temperature condi tion is transmitted as a 3 6 mA or less signal high flow or high temperature condition will be transmitted as a 21 0 mA or greater signal This feature also frees up the alarm relays so that the user can set up the flow and temperature alarms for other needs ALARM RELAYS PULSED TOTALIZER OUTPUT The customer may order 2 solid state optically isolated relays If no relays are ordered the alarm functions are displayed on the LCD Both relays may be used for alarms LO HI and HOL or for the Sensor Kick Out feature or one relay may be used for an alarm function and one may be used as a pulsed output for use as a remote flow totalizer or both relays may be used as pulsed outputs HELP SCREENS By pressing HH the user can obtain important infor mation on the use of the Series 504FT including the software version Kurz telephone and fax numbers and the web site
151. terval of calibration is based on dirt buildups sensor erosion or QA requirements With no external factors on the sensor there are no intrinsic sources of drift in the Kurz MetalClad sensors For more information contact the Kurz customer service department at 831 646 5911 or FAX 831 646 8901 Factory Calibrations For both Air calibrations and gas correlations a transfer standard is used where the unit under calibration and the reference standard are mounted in series in a controlled flow calibration facility These mass flow calibrations are generally performed at room temperature and pressure but can be performed at elevated pressures to account for pressure dependent viscosity induced errors Figures and 6 show a typical calibration data sheet and graph of the sensor response versus standard flow The nonlinear nature of the sensor output is shown in The Series MFT microprocessor converts this signal to a linearly proportional one using a second order moving curve fit to the data Beyond the calibration range the data are extrapolated linearly from the last two data points For this reason it is important that the unit is ordered to cover the range of use for the best tracking Series 504FT User s Guide 46 DCN 360199 1 2 Rev A Kurz Instruments Inc User Calibrations If you have the proper facilities you may take your own data set and program it into your flow transmitter To ease this task there is a display scr
152. tion and accuracy maximum loop resistance is 5000 at 18 VDC 8000 at 24VDC 14000 at 36 VDC meets NAMUR NE43 recommendations Continued on facing page IN LINE MASS FLOW TRANSMITTERS TECHNICAL DESCRIPTION SENSOR DESIGN Series 504FT In Line Mass Flow Transmitters use the Kurz MetalClad MD and FD all welded Alloy C276 sensors In this design the temperature sensor and velocity sensor are mounted in separate tubes or stings providing exceptional thermal isolation from the sensor support structure and a fast response to process temperature changes SENSOR MATERIALS AND CONSTRUCTION The standard sensor materials are Alloy C 276 and Monel These materials are far superior to 316 Stainless Steel in high temperature and corrosive applications The standard flow body and flange materials are 316L Stainless Steel Alloy C276 and Monel PROCESS TEMPERATURE RATING Kurz offers sensor process temperature ratings of 125 C and 200 C on some models Field data verifies that the sensor lifetime is many decades PROCESS TEMPERATURE COMPENSATION The influence of temperature on the thermal proper ties of gases requires temperature compensation for repeatable and accurate measurements Standard Temperature Compensation STC is used for applica tions in which the process temperature is below 125 over a moderate velocity range or below 200 C over more limited velocity range If the process temperature and gas velocity var
153. tly attached to the enclosures The complete design limits of the flow transmitter are not covered by these third party safety approvals Operation within or outside these approval agency limits must be analyzed by a knowledgeable engineer familiar with your See pages 09 for more 220 on this and the field wiring diagrams in D and the approval ratings in Appendix B Compliance For the transmitter attached or integral unit there are no EMI installation issues For transmitter separate TS configurations the wiring between the sensor and electronics must be shielded as described in the field wiring diagrams See discussion on pages 12 amp 13 and the diagrams in Appendix D Mounting The location of the flow body in the process is an important decision for your in line flow transmitter Some of the issues are listed in the Installation section on i power and signal connections are found on the field wiring diagrams in Appendix D discussed in the Installation section pages 9 amp 10 Series 504FT User s Guide 5 DCN 360199 1 2 Rev A Kurz Instruments Inc Output Setup You should first read the basic programming menu navigation section starting on pages 15 amp This will reduce your time spent setting or correcting the configuration of your Series MFT unit Standard reference conditions are described on page Analog 4 20 mA Scaling 2 the Series MFT for the engineering units you wan
154. tly Attached TA See Feature 2 TABLE 3 SERIES 504FT IN LINE MASS FLOW TRANSMITTERS DIMENSIONS x Customer 3 4 FNPT di J hook up lugged NA iL side plugged Power ground Sensor Wire MIR DER outputs shielded junction bi Nunca al cable seals fittings junction box 8 conduit by 4 Flow d customer conductor dn shielded cable 3 4 nipple 8 rigid conduit 1 mounting location 3 4 swagelok or cable with 3 m W2 erimeter Ed r4 ponme e ermid Electronics Enclosure J by customer junction box 25 thru 3 4 ENPT 635 Y Typ 1 PU 525 gt LJ FLOW 460 Conduit seals by customer ples 116 8 Models 504FT 40 48 64 96 Y Shown with Enclosure Remotely Attached TS 1 06 550 2 397 282 a 6 13 71 6 155 7 Junction Box Model A Flow Flange Net Wt Lbs See Note 1 Number D in Area Size in L in LI in H in Threaded Flanged 504 6 675 0 00044 2 7 25 994 65 90 504FT 6 675 0 00107 2 7 25 994 65 90 504FT 8 840 0 00179 n 8 3 10 02 6 5 90 Note Add 3 3l
155. to be checked if the ambient temperature readings are correct For the transmitter separate TS versions you have access to the sensor RTD leads to facilitate troubleshooting There are five sensor wires for the two RTDs two white leads connect to a 300 1 0 C platinum element The two red leads connect to one side of a 9 3 0 C element whose other side is the yellow lead The two red leads should measure below 2 measured between them including any extra wire from a transmitter separate configuration The platinum element resistance goes as R RO 1 T alpha beta T where alpha 0 003908 and beta 5 80 x 107 RO is the RTD at 0 C and T is the ambient temperature in degrees C Sensor leakage resistance between elements or to ground should be 1 or higher as measured with a 10 V or larger test voltage Do not use a standard DVM because Series 504FT User s Guide 51 DCN 360199 1 2 Rev A Kurz Instruments Inc its ohm meter test voltage is too low to overcome the electrochemical cell voltage from small amounts of contamination which are not important yet fool the ohm meter We typically use the 24 VDC supply applied between the elements one white lead to the yellow an make sure the leakage current is less than 24 uA Next we check the white to sensor case then the yellow to sensor case to ensure its leakage is less than 24 uA The leakage and resistance test should be made at normal process operation temperatu
156. trade marks by products purchased from the Company and in any such suit will satisfy any final award for infringement except that the Company assumes no obligation to defend or assume liability for damages consequential or otherwise resulting from infringements a of patent claims covering any other products or any contemplated equipment or any assembly combi nation method or process in which or in the manufacture or testing of which any such prod ucts purchased from the Company may be used not withstanding that such products chased from the Company may have been designed only for use in or may only be useful in such other patented products or such patented equipment assembly circuit combinanation method or process or in the manufacture or testing thereof and that such products pur chased from the Company may have been purchased and sold for such use or b resulting from designs supplied by the purchaser or for any trademark infringement involving any mar keting or branding applied by the Company or involving any marking or branding applied at the request of the buyer The indemnity is upon the condition that the Buyer give the Company prompt notice in writ ing of any such suit for infringement or threat of such suit and full opportunity to conduct the defense thereof No costs or expenses shall be incurred for the account of the Company with out its written consent At its option the Company may at any time replace or m
157. tup for Modbus operation 1 Press the P key on the local keypad the MFT will respond by G5 Kurz Instruments Inc displaying the warning message for approximately 6 seconds and will then prompt you to enter the access code 2 Enter the access code 123456 default then press the E key on the local keypad 3 Press the P or the v key repeatedly until the PRESS E TO SET COMM is displayed 4 Press the key and select the MODBUS ASCII or MODBUS RTU from the selection Press the E key to accept The communication parameters for the Modbus ASCII are the following 7 Databits No Parity 2 Stop bits The baud rate may be selected under the menu SET RS 232 BAUD The factory default is 9600 baud The communication parameters for the Modbus RTU are the following 8 Databits No Parity 1 Stop bit The baud rate be selected under the menu SET RS 232 BAUD RATE The factory default is 9600 baud 5 The next display is used to assign the slave address of the Series Enter the slave address valid range 1 247 and press the key If the Series MFT will be used in a multi drop network make sure that you assigned an address unique to all of the devices connected to the network The default address set in the factory is 1 6 Press the C key to return to the executive mode 7 Refer to Appendix D of the Series 454FT or Series 504FT User s Gu
158. turn interval to view the information like flow rate or temperature by simply pressing the H key This mode is removed by pressing the C key Help Display A list of local commands can be found by pressing the H key twice or HH The help screens list the firmware revision level Kurz telephone and FAX numbers and the website address Flow Meter Time Constant There are four different factors controlling the speed of the Series MFT Sensor Response Time see Brochure ADC Sample Rate see configuration section for adjustments 4 20 mA Output update rate see Brochure Meter Filter time constant see configuration section for adjustments Depending on the various settings you can have a response time which is sensor limited or over damped using the Meter Filter The net response is the cascade of all the above So even if the Meter Filter is at 0 seconds the response time will still be limited by the sensor Data Logging The log command is the L key from the local keypad You get a summary of the meter ID rate and totalization From a remote terminal this can be initialized using the I key lower case L This output from the command is fairly fast can be used instead of the 4 to 20 mA operation if you do some text parsing This log comes to the same serial Series 504FT User s Guide 18 DCN 360199 1 2 Rev A Kurz Instruments Inc port you communicated with for the remote terminal operation This log can be set to
159. u exceed the nominal 24 V type signal levels this unit is designed for the MOVs will clamp the surge These solid state devices are instant on off Sustained or continuous over voltage conditions will burnout these devices They typically fail shorted if abused Series 504FT User s Guide 53 DCN 360199 1 2 Rev A Kurz Instruments Inc TABLE 2 TROUBLESHOOTING CHART Symptom Possible Reasons No 4 20 mA Loss of power to the 4 wire transmitter signal Reversed polarity on 24 V power or 4 20 mA leads Self powered 4 20 mA units may have no power from the user s supply Open circuit in wiring Loose ribbon cable connections between the user I O board and enclosure feed through Power supply shutdown after being powered from 230 VAC when wired for 115 VAC or the fuse blew Excessive DC voltage for the 24 VDC units can do this too Run Program shunt W1 on the CPU board has been removed Damaged Electronics Output Signal Sensor has too much leakage current corrosion or motor boating water damage Defective Bridge Board 4 20 mA does not Are you connected to the temperature output instead of change with flow the flow What is your programmed scale for the output is it too large Defective Sensor Bridge or Electronics Is the sensor cover removed Unit does not The gas type or pressure may be different than when read zero at zero calibrated flow Defective electronics Bridge or Sensor Series 504FT User s Guide 54 DCN
160. ual velocity V is standard velocity F is actual volumetric flow F is standard volumetric flow P is the standard pressure in absolute units P is the actual pressure in absolute units T is the actual temperature in absolute units Kelvin or Rankin T is the standard temperature in absolute units Kelvin or Rankin Note K C 273 16 R F 459 67 Gas Property Induced Errors There are secondary effects which cause mistracking of the idea thermal anemometer Pressure changes will affect the calibration for some gasses For example N has a large 2 5 100 psi shift in its viscosity which changes its mass flow reading the same amount By contrast He has nearly no viscosity change with pressure Temperature changes will affect the gas thermal conductivity and viscosity so the calibration will drift This is typically 2 5 100 C The minimum drift occurs near 3000 SFPM where the dynamic temperature compensation is performed Temperature profiles in the pipe will produce flow errors This is caused by using uninsulated pipe upstream of the sensor where the gas is above or below the ambient temperature Low flow free convective heat transfer forces compete with forced convective and conductive heat transfer forces for power This causes measurable errors depending on gas type temperature pressure and orientation of sensor to both flow and gravity starting at about 300 SFPM and becomes significant down at about 100 SF
161. uch substitutions or modifications will not materially affect perfor mance in the intended application TOOLS The Company shall retain title to and possession of any models patterns dies molds jigs fixtures and other tools made for or obtained in connection with this contract unless otherwise agreed to by the Company CONSTRUCTION All quotations are made and all orders are accepted by the Company with reference to the laws of the State of California the rights and duties of all persons and the construction and effect of all provision thereof shall be governed by and construed accord ing to the laws of the state Should any term or provision contained in these conditions contravene or be invalid under applicable law the contract of which these conditions form a part shall not fail by reason thereof but shall be construed in the same manner as if such terms or provision had not appeared herein REGULATORY LAWS AND OR STANDARDS The Company makes no promise or representation that its product will conform to any state or local laws ordinances regulations codes or standards except as particularly specified and agreed upon for compli ance in writing as part of the contract between Buyer and the Company The Company s prices do not include the cost of any related inspections or permits or inspection fees EXCUSABLE CESSATION OF PERFORMANCE FOR NON PAYMENT Whenever Buyer fails to meet the payment requirements set forth in this condition man
162. ufac turer may cease performance and delivery and accelerate payment of any and all unpaid charges such cessation of performance shall not be construed to be a breach of any contract or agreement and manufacturer will resume production as soon as reasonably possible upon receipt of payment of all balances due NUCLEAR QUALIFICATION Equipment sold by Kurz Instruments Inc is not intend ed for use in connection with any nuclear facility or activity unless covered by a specific quo tation where the conditions of such usage will be detailed If equipment is used in a nuclear facility or activity without a supporting quotation Kurz disclaims all liability for any damage injury or contamination and the buyer shall indemnify and hold Kurz its officers agents employees successors assigns and customers whether direct or indirect harmless from and against any and all losses damages or expenses of whatever form or nature including attor ney s fees and other costs of defending any action which they or any of them may sustain or incur whether as a result of breach of contract warranty tort including negligence strict liability or other theories in law by reason of such uses The Leader in Mass Flow Flow Technology for Process and Environmental Measurements Kurz Instruments Inc 2411 Garden Road Monterey CA93940 800 424 7356 831 646 5911 FAX 831 646 8901 email sales kurz instruments com www kurz instrument
163. uments Inc TS Version For transmitter separate versions TS there are two enclosure groups First is the sensor enclosure mounts as described containing just a sensor wire terminal board Second is the electronics enclosure group containing the bridge electronics CPU local display and keypad in the larger enclosure that is mounted via the pipe nipple between it and the sensor wire terminal board enclosure Two U clamps around the pipe nipple to a metal mounting frame or pipe stand are sufficient It is important to know that the sensor serial number must be matched with the same serial number electronics unit These two parts are not interchangeable unless recalibrated Field Wiring There are up to six issues for the proper wiring installation of the Series MFT flow transmitters Safety Grounding Explosion Proof enclosure connections DC or AC power requirements and connection Analog Output configuration and wiring of the 4 20 mA signals Discrete Alarms Serial Digital Interface 5 wire sensor connection for the TS configuration Please read the complete text of the sections and study the wiring diagram examples which are relevant to your model before performing the installation Safety To ensure compliance with General Safety requirements the metal enclosures must be grounded to minimize the chance of electrical shock For Explosive Atmospheres proper grounding minimizes the chance of sparks occurring ign
164. ut off screens LOW FLOW CUT OFF AT XXX XXX MUNIT Enter the low flow cut off value If the flow rate goes below this value the meter reading will be forced to read zero The is the selected flow unit for the meter refer to the section Flow Units We recommend this be set to the equivalent flow rate of 20 SFPM velocity so it can eliminate the zero drift totalizer error due to process temperature and pressure changes This will be enabled by selecting it to be ON from the screen below L F CUT OFF OFF A ON v OFF Select ON to enable or OFF to disable Scroll Meter The meter ID flow or temperature readings and total flow can be scrolled in the executive state The following menus control this feature You get to these screens from Program mode then press P key until you reach the following PRESS E TO SET EXEC MODE SCROLL Press the E key to continue the setup SCROLL METER 1 zYES v NO YES This is a on off menu selected with the v keys to enable METER 1 FLOW scrolling in the executive state SCROLL METER 2 A YES v NO YES This is a on off menu selected with the v keys to enable METER 2 TEMP scrolling in the executive state Series 504FT User s Guide 31 DCN 360199 1 2 Rev A Kurz Instruments Inc v X SEC This menu selects the time a scroll screen menu is held before it is updated The hold time can be selected using the v key and the available choices are 2 4 6 or 8 seconds Meter
165. y widely Velocity Temperature Mapping VTM is recommended VTM includes taking velocity calibrations at two or more process tempera tures and using the microprocessor to calculate the velocity based on the built in process temperature measurement GAS CALIBRATION The customer has a choice of a laboratory calibration or a gas correlation calibration SENSOR PROTECTION The 504FT circuitry includes circuitry to prevent an over temperature condition caused by a sensor wiring or component failure Kurz sensors will not overheat at zero flow unlike most competitive devices because of the constant temperature sensor control and the power limiting design SENSOR ELECTRONICS The Series 504FT has several innovations which improve performance reduce cost and provide extra ordinary flexibility A new constant temperature bridge circuit includes an efficient switching power supply and allows the microprocessor to calculate the process gas temperature directly using the temperature compensa tion sensor The bridge PCB has an EEPROM loaded with the PCB serial number calibration coefficients and component values which insures the safety of the data The sensor electronics includes a sensor lead resis tance compensation circuit which is extremely impor tant for long sensor wires rapid gas temperature changes and large temperature gradients between the sensor and the ambient air MICROPROCESSOR An 18 MHz 7180 microprocessor is used ANAL
166. yer s expense If the Buyer makes an assignment for the benefit of creditors if a voluntary or involuntary petition or other action in bankruptcy or for reorganization or under any other insolvency law shall be filed by or against the Buyer if the Buyer shall admit inability to pay its debts if a trustee receiver or liquidator is appointed for any part of the assets of the Buyer or if the Buyer fails to make payments to the Company in accordance with the terms hereof the Company may at its option cancel all undelivered parts of any order by written notice to the Buyer at no expenses to the Company ACCEPTANCE PRODUCT Unless otherwise agreed to by the Company the crite rion for acceptance of the Company s products including options shall be the successful oper ation of the product and options using the Company s standard test procedures applicable to the product and options involved All acceptance tests shall be run by Company personnel at the Company s factory unless otherwise allowed for and agreed to by the Company INSTRUNB INC LIMITED WARRANTY PRODUCT LIABILITY FOR REPAIR AND REPLACEMENT ONLY The Company s prod ucts are warranted to be free from defects in material and workmanship for one year from date of shipment from the factory The Company s obligation is limited to repairing or at their option replacing products and components which on verification prove to be defective at the factory in Monterey CA The custo
167. z Instruments Inc to advance to the next screen without change PT T1 1 0 180 A This screen is used to enter the sensor s response for data point 1 of temperature set 1 T1 1 in Ampere A You enter the new value from the keypad followed by the E key to accept the changes The P key will skip over this screen and you can always use the key C twice to clear out of this menu category PT 1 1 0 180 A AT 0 0000 SFPM This screen is for entering the flow rate velocity corresponding to the sensor response of data point 1 temperature set T1 You enter the value with the keypad followed by the E key to accept the changes or press the P key to advance to the next screen without change PT 1 2 0 201 This is the sensor response corresponding to the second datapoint of temperature set T1 You enter the value with the keypad followed by the E key to accept the changes or press the P key to advance to the next screen without change This menu process keeps repeating until you come to the last data pair for temperature set T1 then if there are more than one data set it will start over at the next temperature data set T2 The screen will start as follows FLOW DATA FOR 2 400 0 DEGF This screen is the start of calibration data for the second temperature data set T2 where you enter the temperature of the next data set All the screens shown above for the T1 temperature set will be repeated You can view the data using the P key to a
168. zer mode pulses Each SSR is rated for 0 8 A 24 V AC DC This circuit is protected from overload with a 1 25 A positive temperature coefficient PTC resettable fuse To reset you must remove the load to allow this device to cool a minute so As with the other I O terminals there are 48 V MOVs for surge protection on this device You must not exceed 36 V to ground or you will cause leakage and may overheat and damage the MOV which can fail in a short Again see the wiring diagram 42022 for the specific alarm terminals Serial Communications Any serial communications program may be used to act as a remote terminal Hyper Terminal which comes with Windows 95 98 NT is sufficient and supports Xmodem for transferring and storing the Series MFT configuration files This takes about five seconds at 9600 baud the Factory default setting The serial baud rate is program selectable at 1200 2400 4800 9600 14 4 k 19 2 k and 38 4 k bits s The character format is 1 start bit 1 stop and no parity The program MFTCOMM described in may also be used if you only need to save print the configuration files it is not a terminal emulator ASCII commands data logging and Modbus are described in Appendix G If Hyper Terminal is not installed on your computer you may add it by going to the Add Remove Programs within the Control Panel and clicking the Windows Setup tab Then choose the Communication group and within it you will find the button to selec

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