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User’s Guide

FMA 4000

Digital Mass Flow Meters

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Summary of Contents for FMA 4000

Page 1: ...www omega com e mail info omega com User sGuide FMA 4000 Digital Mass Flow Meters Shop online at...

Page 2: ...e Tel 33 0 1 61 37 29 00 FAX 33 0 1 30 57 54 27 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 0 7056 9398 0 FAX 49 0 7056...

Page 3: ...ON 4 SPECIFICATIONS 5 OPERATING INSTRUCTIONS 5 1 Preparation and Warm Up 5 2 Swamping Condition 5 3 FMA 4000 Parameters Settings 5 3 1 Engineering Units Settings 5 3 2 Gas Table Settings 5 3 3 Totaliz...

Page 4: ...et 9 TROUBLESHOOTING 9 1 Common Conditions 9 2 Troubleshooting Guide 9 3 Technical Assistance 10 CALIBRATION CONVERSIONS FROM REFERENCE GASES APPENDIX I OMEGA FMA 4000 EEPROM Variables APPENDIX II INT...

Page 5: ...items indicated on the Packing List Please report any shortages promptly 1 3 Returning Merchandise for Repair Please contact an OMEGA7 customer service representative and request a Return Authorizati...

Page 6: ...sure to observe the direc tion of gas flow as indicated by the arrow on the front of the meter Insert tubing into the compression fittings until the ends of the properly sized tub ing home flush agai...

Page 7: ...lure to do so might cause damage to this device Be sure to check if the wiring and the polarity of the power supply is correct before turning the power ON Wiring error may cause damage or faulty opera...

Page 8: ...adapter must be configured for multidrop 2 wire half duplex mode The transmitter circuit must be enabled by TD or RTS depending on which is available on the converter adapter Settings for the receiver...

Page 9: ...onconforming patterns and the numbering sequence on your mating connector may or may not coincide with the numbering sequence shown in our pin configuration table above It is imperative that you match...

Page 10: ...by the electronic control circuit The measured temperature gradient at the sensor windings is linearly proportional to the instantaneous rate of flow taking place An output signal is generated that i...

Page 11: ...SURE 500 psig 3447 kPa gauge MAXIMUM PRESSURE DROP 0 18 PSID at 10 L min flow See Table IV for pressure drops associated with various models and flow rates GAS AND AMBIENT TEMPERATURE 41F F to 122 F F...

Page 12: ...0 points NIST calibration Optional up to 9 additional calibrations may be ordered at additional charge CE COMPLIANCE EMC Compliance with 89 336 EEC as amended Emission Standard EN 55011 1991 Group 1 C...

Page 13: ...next two seconds the RS485 network address the analog output set tings and currently selected gas calibration table will be displayed applicable for LCD option only Figure b 3 FMA 4000 second Banner...

Page 14: ...of more than 10 above the maximum flow rate of the Mass Flow Meter is taking place a condition known as swamping may occur Readings of a swamped meter cannot be assumed to be either accurate or linear...

Page 15: ...2 1 mL sec mL Milliliter per second 3 2 mL min mL Milliliter per minute 4 3 mL hr mL Milliliter per hour 5 4 L sec Ltr Liter per second 6 5 L min Ltr Liter per minute 7 6 L hr Ltr Liter per hour 8 7 m...

Page 16: ...n conditions become true when the totalizer reading and preset Stop at Total volumes are equal 12 Note Once Flow Unit of Measure is changed the Totalizer s Volume Mass based Unit of Measure will be ch...

Page 17: ...e Figure c 1 FMA 4000 configuration jumpers 5 3 4 Flow Alarm Settings FMA 4000 provides the user with a flexible alarm warning system that monitors the Gas Flow for conditions that fall outside config...

Page 18: ...l Enabled M Activated regardless of the Alarm and Totalizer conditions 5 3 6 K Factors Settings Conversion factors relative to Nitrogen for up to 36 gases are stored in the FMA 4000 see APPENDIX II In...

Page 19: ...via digital communication interface or locally by pressing the maintenance push button which is located on the right side of the flow meter inside the maintenance window above the 15 pin D connector...

Page 20: ...s considered successful The status LED will return to a constant GREEN light and the screen below will appear Figure b 7 FMA 4000 during the Auto Zero procedure If the device was unable to adjust the...

Page 21: ...2 FATAL ERROR reset or maintenance service is required for return in to the normal operation Constant RED 1 3 CPU Temperature too high Electronics Overheating Flashing RED UMBER 2 4 Sensor in the warm...

Page 22: ...lt into the inlet of the flow transducer The filter screen and the flow paths may require occasional cleaning as described below There is no other recommended mainte nance required It is good practice...

Page 23: ...2 FMA 4000 Model Unscrew the inlet compression fitting of meter Note that the Restrictor Flow Element RFE is connected to the inlet fitting Carefully disassemble the RFE from the inlet connection The...

Page 24: ...0 F F 21 1 F C 20 psia 137 9 kPa absolute inlet pressure and 0 psig outlet pressure It is best to calibrate FMA 4000 transducers to actual operating condi tions Specific gas calibrations of non toxic...

Page 25: ...utton This will open the access to the rest of the Query menu Start Sensor Compensated Average reading Query Read SensorCompAverage This will display Device Sensor Average ADC counts With no flow cond...

Page 26: ...ntermediate portion of the gas table Using the flow regulator adjust the flow rate to 100 of full scale flow Check the flow rate indicated against the flow calibrator Observe the flow reading on the F...

Page 27: ...ibration for another 9 points of the linearization table by using the same approach 7 3 Analog output Calibration of FMA 4000 Mass Flow Meter FMA 4000 series Mass Flow Meters are equipped with calibra...

Page 28: ...e that cal ibration will be performed manually w o Omega supplied calibration and main tenance software and the device has RS485 address 11 If Omega supplied cal ibration and maintenance software is u...

Page 29: ...calculated AoutScaleV value 7 3 3 Gas flow 4 20 mA analog output calibration 1 Install jumpers J7A J7B and J7C on the PC board for 4 20 mA output see Table VI 2 Connect a certified high sensitivity m...

Page 30: ...e structure of the command string Addr Cmd Arg1 Arg2 Arg3 Arg4 CR Where Start character Addr RS485 device address in the ASCII representation of hexadecimal 00 through FF are valid Cmd The one or two...

Page 31: ...device will accept commands with the new address Note Address 00 is reserved for global addressing Do not assign the global address for any device When command with global address is sent all devices...

Page 32: ...D E D disable LCD Diagnostic Messages D D NO ARGUMENT read current status of the diagnostic word D 0x0 L 9 E 0x0 diagnostic word 9 current LED status E LCD mode enabled Roll back to N 2 feature Enabl...

Page 33: ...Display zero value ZV zero value Flow Alarms Sets reads the status of the gas flow alarms Note High and Low limits have to be entered in the F S High alarm value has to be more than Low alarm value Al...

Page 34: ...1 2 relay 2 N R1N or R2N T R1T or R2T H R1H or R2H L R1L or R2L R R1R or R2R M R1M or R2M S RxN RxT RxH RxL RxR RxM Totalizer Sets and controls action of the flow totalizer NOTE If Warm Up Delay opti...

Page 35: ...h F S engineering unit See list of the internal K factors in the operating manual 9 K D disable sets K 1 KD I Internal K factor No argument enable previously set internal K factor KI value Gas Gas Ind...

Page 36: ...hr U mL hr L sec U L sec L min U L min L hr U L hr m3 sec U m3 sec m3 min U m3 min m3 hr U m3 hr f3 sec U f3 sec f3 min U f3 min f3 hr U f3 hr g sec U g sec g min U g min g hr U g hr kg sec U kg sec...

Page 37: ...me unit was calibrated 11 C R read timer Value in Hours C set timer to zero CC Full Scale Returns the full scale rated flow in L min Note This term is not multiplied by the current K factor 12 E Value...

Page 38: ...l that the instrument is not functioning properly please check for the following common conditions first Are all cables connected correctly Are there any leaks in the installation Is the power supply...

Page 39: ...ed Return FMA 4000 to factory for repair Analog flow output scale and offset variable are corrupted Restore original EEPROM scale and offset variable or perform analog output recalibration see section...

Page 40: ...0 is connected in the installation with back pressure conditions and gas leak exist in the system Locate and correct gas leak in the system If FMA 4000 has internal leak return it to factory for repai...

Page 41: ...ference gas 10 CALIBRATION CONVERSIONS FROM REFERENCE GASES The calibration conversion incorporates the K factor The K factor is derived from gas density and coefficient of specific heat For diatomic...

Page 42: ...izer Volume in s updated every 6 min 17 TotalFlowStart float Start Totalizer at flow FS 0 Disabled 18 TotalVolStop float Totalizer Action Limit Volume s 0 Disabled 19 KfactorMode char D Disabled I Int...

Page 43: ...ot Alter 41 Kgain 5 float Gain for DRC Lag Constant Do Not Alter 42 Zero_T float Resistance when last AutoZero was done 0 4095 count 43 Tcor_K float Resistance correction coefficient PFS count 44 Alar...

Page 44: ...uint 20 0 F S A D value from sensor counts 118 SensorTbl 2 Flow float Actual Flow in PFS 0 2 119 SensorTbl 3 Sensor Value uint 30 0 F S A D value from sensor counts 120 SensorTbl 3 Flow float Actual...

Page 45: ...18 Carbon Dioxide CO2 7382 2016 1 964 19 Carbon Disulfide CS2 0 6026 0 1428 3 397 20 Carbon Monoxide CO 1 00 2488 1 250 21 Carbon Tetrachloride CCl4 0 31 0 1655 6 860 22 Carbon Tetrafluoride Freon 14...

Page 46: ...644 1 3 Butadiene C4H6 3224 3514 2 413 Butane C4H10 2631 4007 2 593 1 Butene C4H8 2994 3648 2 503 2 Butene C4H8 CIS 324 336 2 503 2 Butene C4H8 TRANS 291 374 2 503 Carbon Dioxide CO2 10 L min Carbon D...

Page 47: ...60 365 1 251 Ethylene Oxide C2H4O 5191 268 1 965 Fluorine F2 9784 1873 1 695 Fluoroform Freon 23 CHF3 4967 176 3 127 Freon 11 CCl3F 3287 1357 6 129 Freon 12 CCl2F2 3538 1432 5 395 Freon 13 CClF3 3834...

Page 48: ...ride CH3F 68 3221 1 518 Methyl Mercaptan CH3SH 5180 2459 2 146 Methyl Trichlorosilane CH3 SiCl3 2499 164 6 669 Molybdenum Hexafluoride MoF6 2126 1373 9 366 Monoethylamine C2H5NH2 3512 387 2 011 Monome...

Page 49: ...l Fluoride SO2F2 3883 1543 4 562 Tetrafluoroethane Forane 134A CF3CH2F 5096 127 4 224 Tetrafluorohydrazine N2F4 3237 182 4 64 Trichlorofluoromethane Freon 11 CCl3F 3287 1357 6 129 Trichlorosilane SiHC...

Page 50: ...46 APPENDIX IV COMPONENT DIAGRAM TOP COMPONENT SIDE Aug 09 2007...

Page 51: ...47 BOTTOM COMPONENT SIDE Aug 09 2007...

Page 52: ...APPENDIX V DIMENSIONAL DRAWINGS FMA 4000 WITHOUT READOUT 48...

Page 53: ...FMA 4000 WITH READOUT OPTION 49...

Page 54: ...shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA...

Page 55: ...tors Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conduc...

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