Husqvarna 115 13 81-96 Chainsaw User Manual
Contents
1. User s Guide Shop online at omega com e mail info omega com For latest product manuals ame gamanual info MASS FLOW CONTROLLER Made in USA Patents Pending FMA 3200 3200ST 3400 3400ST Series Thermal Mass Flow Controllers OMEG Online Service Internet e mail info omega com Servicing North America One Omega Drive Box 4047 Stamford CT 08907 0047 TEL 203 35 1660 FAX 203 359 7700 e mail info amp lomega com U S A ISO 9001 Certified Canada 976 Bergar Laval Quebec SAI Canada TEL 514 56 6928 FAX 514 856 6856 e mail info lomega ca For immediate technical or application assistance U S A and Canada Sales Service 1 800 826 6342 1 800 TC OMEGA Mexico Czech Republic Germany Austria United Kingdom ISO 9002 Certified Customer Service 1 900 622 2578 1 500 622 BEST Engineering Service 1 300 872 9436 300 LTSA WHEN En Espa ol 001 203 359 7803 e mail espanol omega com PAX 01 203 359 7807 infot omega com mx Servicing Europe Frystatska 184 733 01 Karvin Czech Republic TEL 420 0 59 amp 31 1899 FAX 420 0 59 amp 311114 Toll Free 0800 1 256342 e mail info omegashop cz L aimlerstrasse 26 D 75392 Deckenptronn Germany TEL 49 017056 9398 0 49 017056 9398 29 Toll Free in Germany 800 639 7674 e mail info omega de Omega Drive River Bend Technology Centre Morthba2. Cause Method of Correction Inaccurate control Insufficient or varying power Check the power supply output and increase if necessary Insufficient pressure Ensure the pressure an differential pressure is high enough o operate the unit Varying pressure Check the stability of the pressure regulation and improve if necessary Ambient temperature too high Place the unit in a suitable or too low environment Output load resistance too low Ensure the voltmeter or data acquisition system or display has an impedance of greater than of 2 5kohm Gas temperature too high or Ensure the gas temperature too low is within the recommended operating range Unit damaged or faulty Contact Omega Engineering Problems with Gas flow through unit not Ensure there is no flow rezeroing completely stopped through the unit The easiest way to do this is to plug both the inlet and outlet Severe fluctuations in the Carry out the rezero ambient temperature e g unit procedure in a stable in direct sunlight environment Unstable power supply Check the stability and suitability of the power source Insufficient warm up period Allow the unit to warm up for at least 5 minutes M 4271 0707 pg 24 of 26 WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to ba free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGA s WARRANTY adds an additional one 1 month grace period to the normal one 1
3. Engineering shall not be liable for any damage or injury caused by incorrect operation of their products 1 General Considerations It is recommended that a safety shut off valve be installed upstream before of the controller All wetted parts should be checked for compatibility with the gas to be used If there are any incompatibilities eg highly corrosive gas then the M 4271 0707 pg 5 of 26 unit be damaged or fail prematurely Such damage will not be repaired under warranty Units should be installed in a clean dry environment with an ambient temperature that is as stable as possible Avoid areas with strong magnetic fields strong air flows or excessive vibration In order to operate the differential pressure across the controller should be in the range 15 45psid 1 3 bar For optimum performance a differential pressure of 25psid is recommended For Example consider the following system Pressure set Process Chamber to 100 psi Pressure at 14 psi Isolation Mass Flow Valve Controller Gas Cylinder The differential pressure across the flow controller in this system would be 100 psi 14 psi 86 psid Consequently the flow controller would NOT be able to control flow For the unit to operate at optimum performance the supply pressure from the gas cylinder would need to be lowered to 39 psig to give 39 psi 14 psi 25 psid Pressure set Process Chamber to 29 59 psi Pressure
4. Temperature Rating Operating Range 5 to 55 Recommended Range for best performance 10 to 40 Storage Range 0 to 70 C Temperature 0 15 F S or less per C Sensitivity Valve Normally Closed Positive Shut off up to 60psig 4 bar Body Leak Integrity 1x10 sccs of He Wetted Materials Aluminum 303 Stainless Steel 304 Stainless Steel 304 Stainless Steel 316 Stainless Steel 316 Stainless Steel Epoxy Fitting Material Choose from acetal brass or stainless steel Recommended 20 microns or less Filtration Optional inline filters available Compatible gases Clean dry gases compatible with wetted materials Output Signal 0 5VDC Impedance greater than 2 5 External Set point 0 5VDC Integrated 2MO load Signal Internal Set point N A Front Panel N A Front Panel Signal Adjustment Adjustment Warm Up Time Less than 5 minutes Typical Power Standard 12 VDC 250 mA 12 5 15 VDC Consumption E Suffix 24 VDC 130 mA 22 25 VDC Peak Power Standard 12 VDC 400 mA 12 5 15 VDC Consumption E Suffix 24 VDC 260 mA 22 25 VDC Electrical Integrated 36 92 mm cable terminated with Connections Standard 6 pin Mini DIN male PS 2 Style D1 Option 9 pin D Sub male D2 Option 15 pin D Sub male Certifications CE Approved 89 336 EEC EN 55011 amp EN 50082 1 73 23 EEC Low Voltage Directive Specifications from 10 100 of rated flow Linearity is best fit straight line All calibrations
5. amp Pressure Gages ys Displacement Transducers F Instrumentation amp Accessories FLOW LEVEL Rotameters Gas Mass Flowmeters amp Flow Computers S Air Velocity Indicators EF Turbine Paddlewheel Systems EF Totalizers amp Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories E Benchtop Laboratory Meters i Controllers Calibrators Simulators amp Pumps Industrial pH amp Conductivity Equipment DATA ACQUISITION Data Acquisition amp Engineering Software Communications Based Acquisition Systems EF Plug in Cards for Apple BM amp Compatibles Datalogging Systems Recorders Printers amp Plotters HEATERS iF Heating Cable EF Cartridge amp Strip Heaters Immersion amp Band Heaters l Flexible Heaters EF Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL EF Metering amp Control Instrumentation EF Refractometers Pumps amp Tubing EF Air Soil amp Water Monitors EF Industrial Water amp Wastewater Treatment A pH Conductivity amp Dissolved Oxygen Instruments M 4271 0707 pg 26 of 26
6. at 14 psi Isolation Mass Flow Valve Controller Gas Cylinder M 4271 0707 pg 6 of 26 Mounting the Flow Controller The FMA 3200 3400 Series controllers have no particular orientation or installation requirements so may be mounted in any convenient position It is recommended that units be fixed to a suitable substrate using the two 4 40 mounting holes provided Mounting View from Bottom mounting hardware not included with sensor Tubing Connections All tubing must be clean dry and purged with clean dry air before installation of the FLO CONTROLLER If the gas to be used may contain particles then a filter 20 microns or less should be installed upstream of before the unit When connecting the sensor to the tubing take care not to over tighten the fittings or leaking may occur Caution Only use the fittings factory installed on the unit If the fittings are removed the calibration of the unit may be effected and leaking may occur If different fittings are required please contact the Omega Engineering Customer Service Department for assistance M 4271 0707 pg 7 of 26 4 Electrical Connections Caution Incorrect wiring may cause severe damage to the unit Applying an AC voltage 115VAC or 230VAC directly to the unit will cause damage Read the following instructions carefully before making any connections a Overview The FMA 3200 3400 Series provides a 0 5VDC
7. year product warranty to cover handling and shipping time This ensures that customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for avaluation OMEGA s Customer Sarvica Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defactive it will ba repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorizad modification This WARRANTY is VOID if tha unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper spacification misapplication misuse or other operating conditions outside of OMEGA s control Components in which wear is not warranted include but are not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by the company will be as speci
8. EGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then ba marked on the outside of tha return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please hava the FOR MOM WARRAMNMTY REPAIRS consult OMEGA following information available BEFORE far current repair charges Have the following contacting OMEGA information availabla BEFORE contacting OMEGA 1 Purchase Order number under which the product 1 Purchase Order number to cover the COST was PURCHASED of tha repair 2 Model and serial number of the product under 2 Modal and serial number of the product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative ta the product relative to the product M 4271 0707 pg 25 of 26 Where Do Find Everything Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE A Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies 4 Wire Thermocouple RTD amp Thermistor EF Calibrators amp Ice Point References j Recorders Controllers amp Process Monitors Infrared Pyrometers PRESSURE STRAIM AND FORCE Transducers amp Strain Gages Load Cells
9. Pin Mini Din 9 c Connecting The Pin Mini Din Connector amp FMA 3000C Cable 10 d Connections For The 9 Pin D Sub 11 e Connections For The 15 Pin D Sub 12 f Using a 0 5VDC Output Input Power Adapter Package 13 C OP ENT 14 VV Oi aa a sa a E 14 2 Verlliediioni OT Zero uuu PO RETE 14 Flow 14 4 Changing The Flow Rate Set Point Using An External Voltage Source 15 5 Changing The Flow Rate Set Point FMA3400 3400ST Only 16 O Power Save MO DE aga a 16 E NGT 17 e 17 9 Changing The Calibration Gos FMA3400 34005 Only 17 D Maintenance And Product Care sssssssssssssssee eene 18 IN CT L u 18 2 Returning Units For Repair Or Recalibrotion 18 E DESIG ONIONS 19 PEE der OE 20 01 NETTE 22 Troub 23 4271 0707 3 0f 26 A Introduction L Unpacking All units are suitably packaged to prevent damage during shipping If external damage is noted upon receipt of the pack
10. age please contact Omega Engineering immediately Open the package from the top taking care not to cut too deeply into the package Remove all the documentation and contents Take care to remove all the items and check them against the packing slip The products should also be checked for any concealed shipping damage If any shortages or damage is noted please contact Omega Engineering to resolve the problem Typical Contents of Box Controller Calibration Certificate amp Manual 3200 320057 shown FMA 3400 340057 have an integrated display 111359231423331n Caution Take care not to drop your controller Read the installation section of this manual before providing power or tubing connections to the unit Any damage caused by improper installation or careless handling will not be repaired under warranty see limited warranty on page 25 for more details Product Overview and Principle of Operation The FMA 3200 3400 Series Mass Flow Controllers from Omega Engineering are capable of measuring and controlling the flow of virtually any clean dry gas as low as 0 20 sccm or as high as 0 10 l min Repeatable results are achieved using a patented thermal mass flow M 4271 0707 pg 4 of 26 sensor design This proven design minimizes zero drift while maintaining fast response and linear outputs with virtually no maintenance The FMA 3200 3400 Series utilizes thermal flow sensing technology A portion of the gas flowing thr
11. age source The cable with a WHITE connector provides the signal output The WHITE wire should be connected to the positive terminal of the display data acquisition system or voltmeter with an impedance of greater than 2 5 kilo ohms The bare wire of this cable assembly is the signal negative ground and should be connected to the negative Ground terminal of the display data acquisition system or voltmeter Caution Avoid high voltage static discharges to the input signal connection Do not short the output signal wires or allow them to contact the power wires at any time DAMAGE WILL RESULT M 4271 0707 pg 13 of 26 C Operation 1 Warm Up Before applying power to the unit check all tubing and electrical connections Once correct installation is verified switch on the power The unit should then be allowed to warm up for 5 minutes before gas pressure is applied Verification of Zero Flow through the unit should be stopped by sealing or capping the inlet of the controller It is not adequate to only stop flow by turning off the gas supply or closing a valve as there may be a leak in the system This would give a false reading After 5 minutes the zero should be stable when there is no flow through the unit If after 10 15 minutes the output is still not zero volts within 0 05 volts the unit should be adjusted as detailed in section C part 6 It should be noted that power supply voltage variations and chang
12. analog output proportional to the flow rate This output may be connected to a display data acquisition system or voltmeter with an impedance of greater than 2 5 kilo ohms The flow controller needs to be supplied with a 0 5 VDC set point signal to enable control On the FMA 3400 3400ST Series this may be generated internally by altering the set point potentiometer on the front panel of the unit A stable D C power supply is required to operate the unit The voltage and current requirements depend on the configuration of the unit Full details may be found in the Specification section of this manual Connecting wires should be as short as possible to avoid voltage drops Twisted conductor cable should be used if the length of the wiring is to be longer than 2 meters Units are supplied with either a 6 pin mini DIN type connector requires mating cable assembly a 9 Pin D Sub connector or 15 Pin D Sub connector Caution Cutting off the integrated connectors on the unit IS NOT RECOMMENDED and will void the product warranty Mating cables should be ordered along with each unit Electrical connections to the units are made as detailed in the following sections M 4271 0707 pg 8 of 26 b Connecting The 6 Pin Mini Din Connector Using a suitable mating connector the pins of the integrated connector should be wired as follows Connecting To The Integrated 6 Pin Connector Pin Out of Integrated Connector Pin 2 shou
13. cted to the negative Ground terminal of the display data acquisition system or voltmeter Pin 6 is the input signal and should be connected to the positive terminal of the voltage source The 0 5VDC voltage control signal should be supplied from a low impedance source Pin 7 is the input signal negative ground and should be connected to the negative Ground terminal of the voltage source Pins 1 5 and 9 are not used Caution Avoid high voltage static discharges to the input signal connection Do not short the input output signal pins or allow them to contact the power connections at any time DAMAGE WILL RESULT M 4271 0707 pg 11 of 26 Connections For The 15 D Sub Connector Using a suitable mating connector the pins of the integrated connector should be wired as follows Connecting To The Integrated 15 Pin Connector 1 98 0 0 Pin Out of Integrated Connector PIN 7 should be connected to the Positive of the power source PIN 5 should be connected to the Negative Ground of the power source PI N 2 provides the signal output and should be connected to the positive terminal of the display data acquisition system or voltmeter PIN 10 is the signal negative ground and should be connected to the negative Ground terminal of the display data acquisition system or voltmeter Pin 8 is the input signal and should be connected to the positive terminal of the voltage source The 0 5VDC voltage con
14. ed maximum full scale flow for the unit should be calculated using the K Factor for that gas see section C3 above A zero or negative set point voltage will cause the solenoid valve to close fully Whilst closed the valve is configured to withstand pressures up to 60 psig higher pressures on request Caution The flow controller valve will open if the pressure exceeds 60psig For safety it is recommended that a separate positive shut off valve is installed upstream of the controller Changing The Flow Rate Set Point FMA3400 3400ST Series Only On the FMA 3400 3400ST Series the set point may be input from an external source or be supplied internally For an external set point dip switch 1 should be OFF and dip switch 2 ON See section C4 above for details of how to adjust the set point using an external voltage source For an internal set point dip switch 1 should be ON and dipswitch 2 OFF Adjustment of the internal set point is made by turning the coarse and fine set point potentiometers on the front panel of the display with the gas is flowing until the desired flow rate is achieved FMA 3400 340057 Series Set Point Potentiometers Coarse Fine Power Save Mode To improve valve performance and reliability over time the FMA 3200 3400 Series features a Power Save Mode This is activated after a prolonged application of a zero or negative set point When a control voltage greater than 0 VDC is applied after the P
15. es in ambient temperature can have an effect on zero readings Flow Readings Each controller is factory calibrated for a specific flow range and gas or gas mixture The calibration gas and flow range are shown on the unit s label and calibration certificate By monitoring the voltage output signal it is possible to determine the flow rate of the gas Units are configured so that an output signal of 5 0VDC is provided when the maximum flow i e Full Scale flow is passing through the unit The output signal is linear and scaleable enabling calculation of flow rates with in the sensor s range For example For a flow range of 0 500sccm At 500sccm the output signal would be 5VDC If the output signal were 3 5VDC then the flow rate would be 500 5 x 3 5 350sccm If the maximum flow rate is exceeded non linear and inaccurate readings will result Units may be used for gases other than the calibration gas In this case a K Factor would need to be applied and a corrected value calculated using the following formula M 4271 0707 pg 14 of 26 O1 K K Q is the flow rate of the new gas is the flow rate of the original calibration gas K is the K factor of the new gas K is the K factor of the original calibration gas Ki K2 Q2 If K is larger than then linear results will only be achieved if the unit does not exceed 5 K2 VDC for the full scale output Example 1 For a 0 200scc
16. fied and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITMESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise 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 is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NAC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s ba usad in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as sat forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Productis in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests nquiries to tha OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OM
17. iring is according to Section B5 Loose connection Check all connectors and wiring Damaged connector pins Contact Omega Engineering Blocked flow path Check flow path for obstructions Piping leak before sensor Check all piping and connections Insufficient power Check the power supply output and increase if necessary Output load resistance too low Ensure the voltmeter or data acquisition system or display has an impedance of greater than of 2 5kohm Flow too low for the unit Ensure that the flow being measured is within the capabilities of the unit Unit damaged or faulty Contact Omega Engineering Inaccurate control Particles in flow path Add filtration before the sensor Flow path obscured Remove any debris or blockage in the flow path eg PTFE tape Unit calibrated for a different Check calibration certificate gas and apply K Factor to readings if necessary Gas composition is variable Contact Omega Engineering Fittings have been changed Replace the factory installed fittings Insufficient warm up period Allow the unit to warm up for at least 5 minutes Zero drift Verify the zero and adjust as necessary as explained in Section C The gain potentiometer has Contact Omega Engineering been adjusted Unit needs recalibration Contact Omega Engineering Flow too high for the unit Ensure that the flow being measured is within the capabilities of the unit M 4271 0707 pg 23 of 26 Possible
18. ld be connected to the Positive of the power source Pin 6 should be connected to the Negative Ground of the power source Pin 3 provides the signal output and should be connected to the positive terminal of the display data acquisition system or voltmeter Pin 1 is the signal negative ground and should be connected to the negative Ground terminal of the display data acquisition system or voltmeter Pin 4 provides the input signal and should be connected to the positive terminal of the voltage source The 0 bVDC voltage control signal should be supplied from a low impedance source Pin 5 is the input signal negative ground and should be connected to the negative Ground terminal of the voltage source Caution Avoid high voltage static discharges to the input signal connection Do not short the input output signal wires or allow them to contact the power wires at any time DAMAGE WILL RESULT M 4271 0707 pg 9 of 26 Connecting The 6 Pin Mini Din Connector amp FMA 3000C Cable The two mating connectors should be pushed together and the pigtail leads wired as follows Connecting To The Integrated 6 Pin Connector Using A FMA 3000C Cable The RED wire should be connected to the Positive of the power source The BLACK wire should be connected to the Negative Ground of the power source The ORANGE wire provides the signal output and should be connected to the positive terminal of the display data acquisitio
19. m unit calibrated for air the flow at 5 0VDC would be 200sccm The K factor for air is 1 If the unit is used with Helium K factor 1 454 relative to air then the flow at 5VDC i e the maximum flow would be 1 454 1 200 290 8 sccm Example 2 For a 0 10 0 l min unit calibrated for Argon the flow at 5 0VDC would be 10 0l min The K factor for Argon is 1 45 If the unit is used with Carbon Dioxide K factor 0 74 then the flow rate 5 0VDC would be 0 74 1 45 10 0 5 10l min The accuracy of readings using K factors is not as good as that achieved for the calibration gas The accuracy obtained typically 3 for factors similar to the calibration gas depends on the gas being used and the flow rate For a list of common K Factors see Section J Changing The Flow Rate Set Point Using An External Voltage Source The required flow rate is selected by adjusting the set point voltage The normal control signal voltage is 0 bVDC with OVDC corresponding to zero flow and 5VDC being equivalent to the maximum rated flow of the unit This input is linear and scaleable allowing different flow rates within the range of the unit to be selected For example For a flow range of 0 500sccm A 5 Input Signal would correspond to a flow rate of 500sccm If a flow rate of 300sccm were required then the set point would be 300 500 x 5 3 0VDC M 4271 0707 pg 15 of 26 If a gas other than the calibration gas is used then the adjust
20. n system or voltmeter The BROWN wire is the signal negative ground and should be connected to the negative Ground terminal of the display data acquisition system or voltmeter The YELLOW wire provides the input signal and should be connected to the positive terminal of the voltage source The 0 5VDC voltage control signal should be supplied from a low impedance source The GREEN wire is the input signal negative ground and should be connected to the negative Ground terminal of the voltage source The wire colors above describe the pigtail leads of the FMA 3000C cable assembly and may not correspond with the internal wiring of your flow sensor Caution Avoid high voltage static discharges to the input signal connection Do not short the input output signal wires or allow them to contact the power wires at any time DAMAGE WILL RESULT M 4271 0707 pg 10 of 26 d Connections For The 9 Pin D Sub Connector Using a suitable mating connector the pins of the integrated connector should be wired as follows Connecting To The Integrated 9 Pin Connector Pin Out of Integrated Connector PIN 3 should be connected to the Positive of the power source PI N 4 should be connected to the Negative Ground of the power source PI N 2 provides the signal output and should be connected to the positive terminal of the display data acquisition system or voltmeter PIN 8 is the signal negative ground and should be conne
21. nk Manchester MHH SBD United Kingdom TEL 44 01161 777 6611 PAX 44 01161 777 6622 Toll Free in United Kingdom 800 485 4158 e mail sales omega co uk It ia the policy of OMEGA Engineering Inc to comply wath all worldwide safety and regulations that apply OMEGA is constantly pursuing certification of rts products to the European Approach Directives OMEGA will addthe CE mark ta every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA accepts re liability for an errore it contains and reserves the right to alter specifications without notice WARNING Thasa products are not designed for use in and should not be used for human applications READ THIS MANUAL COMPLETELY BEFORE ATTEMPTING TO CONNECT OR OPERATE YOUR FLOW SENSOR FAILURE TO DO SO MAY RESULT IN INJURY TO YOU OR DAMAGE TO THE FLOW CONTROLLER TABLE OF CONTENTS A nis E un ua ANG EE UMS 4 S 4 2 Product Overview And Principle Of Operqtion 4 0 NER 5 1 General 5 5 5 2 Mounting The flow controller p TUDING SONGGON u uuu uuu b a AA KAN aa e AGA SM EOC GC el I eio n E IET Tm 8 a ONEVIEW AR 8 b Connecting The 6
22. o the second calibration gas if applicable Dip switch 6 is allocated to the third calibration gas if applicable To select the gas the dip switch should be turned ON All other switches allocated to gases i e 4 5 or 6 except the required switch gas should be set to OFF D Maintenance and Product Care 1 General Inlet filters should be periodically checked and cleaned or replaced as necessary Regularly check all electrical and process connections for damage or deterioration If the sensor is to be stored keep both the inlet and outlet ports sealed Do not allow any liquid or moisture to enter the sensor or damage will occur Returning Units for Repair or Recalibration To return a unit for repair or recalibration please contact the Omega Engineering Customer Service Department An Authorized Return AR number will then be issued The AR number should then be noted on the outside of the package and on any correspondence Further details may be found on page 25 of this manual M 4271 0707 pg 18 of 26 E Specifications Series FMA 3200 FMA 3400 FMA 3200ST FMA 3400ST Accuracy 1 5 1 5 1 5 1 5 including linearity Full Scale Full Scale Full Scale Full Scale Second and Second and third gases third gases 3 0 F S 3 0 F S Repeatability 0 25 Full Scale Pressure Rating 150 psig 10 3 bar 500 psig 34 5 bar Pressure Sensitivity 0 02 Full Scale per psi per 69 mbar
23. ough the unit is redirected into a small sensor tube This tube has two coils on the outside The first coil introduces a small amount of heat into the gas stream As the gas passes through the tube heat is transferred from one coil to the other The flow rate is proportional to the amount of heat transfer Smart electronics analyze the amount of temperature change in the second coil and provide a linearized analog output A patented system insures that the zero remains stable and the sensor is extremely repeatable Flow in the FMA 3200 3400 Series is controlled by a proportional solenoid valve with active servo electronics The flow measurement signal is analyzed by micro processor controlled electronics and compared to a set point Adjustments are then made to the valve in order to achieve the required flow rate The set point can be either externally input via a 0 5VDC signal or in the case of the FMA 3400 3400ST Series it can be input manually on the unit The output of the thermal mass flow sensor is directly related to the specific heat characteristic of the gas being measured A sensor is calibrated for one gas but may be used with other gases by applying a correction factor to the output The calibration gas for each specific flow controller is detailed on the product label Installation Caution Do not exceed the pressure temperature or power operating ranges detailed in the SPECIFICATIONS section of this manual Omega
24. ower Save Mode has been initiated there may be a short delay 1 2 secs before the valve actuates M 4271 0707 pg 16 of 26 Zero Adjustments The zero should be checked as detailed in section C part 2 If an adjustment is needed the Zero Potentiometer should be carefully turned until the output VDC becomes zero Caution Do NOT adjust the Gain Potentiometer when adjusting the zero or the unit will need to be recalibrated Making Zero Adjustments Using a small Flathead Screwdriver Care should be taken to only make small adjustments to the zero potentiometer If too much of an adjustment is made and difficulties are being experienced in achieving a zero reading then turn the potentiometer fully anti clockwise and begin making small clockwise adjustments until a zero reading is obtained Recalibration If recalibration is required please contact the Omega Engineering Customer Service Department Changing the Calibration Gas FMA 3400 3400ST Series Only The FMA 3400 3400ST Series may be calibrated for up to three gases These gases their corresponding flow ranges and accuracy specifications are detailed on the calibration certificate The calibration gas required is determined by selecting the corresponding dip switch on the front panel of the display M 4271 0707 pg 17 of 26 3400 340057 Series Dip Switches MITTIT Dip switch 4 is allocated to the primary calibration gas Dip switch 5 is allocated t
25. performed with air unless otherwise stated on calibration certificate M 4271 0707 pg 19 of 26 Dimensions ALL DIMENSIONS IN INCHES MILLIMETERS IN BRACKETS FMA 3200 3200ST Series 1 4 Stainless Fittings Shown un EN mo 2X 4 40 UNC M 4271 0707 pg 20 of 26 FMA 3400 3400ST Series 1 4 Stainless Fittings Shown 1 s M 4271 0707 pg 21 of 26 Gas Factors Chemical Gas Symbol K Factor Air 1 000 Argon 1 438 Butane 0 260 Carbon Dioxide CO 0 739 Deuterium 1 000 Ethylene 0 598 Freon 11 0 330 Freon 12 0 354 Freon 13 0 385 Freon 14 CF4 0 420 Freon 22 0 460 Germane 0 570 Helium 1 458 Hydrogen 1 011 Krypton 1 440 Methane 0 721 Neon 1 443 Nitric Oxide 0 990 Nitrogen 1 000 Nitrous Oxide 0 710 Oxygen 0 991 Ozone 0 446 Propane 0 383 Sulfur Dioxide 0 690 Xenon 1 437 These K Factors are given for reference only and are not intended as a recommendation of application suitability Accuracy and response will be affected depending on the gas and flow range Check the compatibility of all wetted materials before using any gas other than the calibration gas for the unit M 4271 0707 pg 22 of 26 Troubleshooting Guide Symptom Possible Cause Method of Correction Clicking noise from Unit in error mode Check there is sufficient controller pressure and that the flow path is not restricted or blocked No response Unit wired incorrectly Check w
26. trol signal should be supplied from a low impedance source Pin 1 is the input signal negative ground and should be connected to the negative Ground terminal of the voltage source Pins 3 4 6 9 11 12 13 14 and 15 are not used Caution Avoid high voltage static discharges to the input signal connection Do not short the output signal pins or allow them to contact the power connections at any time DAMAGE WILL RESULT M 4271 0707 pg 12 of 26 f Using a 0 5VDC Input Output Power Adapter Package An optional 0 5VDC Input Output Power Adapter Package is available for use with the FMA 3200 3400 Series This consists of a power source 115VAC or 230VAC a connection hub and two cable assemblies with pig tail soldered wire ends This should be assembled as shown in the following diagram Assembling a FMA 3215PW Power Adapter Package the FMA 3223PW Power Adapter Package is similar The RED connector should be inserted in the RED socket on the connection hub The WHITE connector should be inserted in the WHITE socket on the connection hub The cable with a RED connector provides the input signal The RED wire of this cable should be connected to the positive terminal of the voltage source The 0 5VDC voltage control signal should be supplied from a low impedance source The bare wire of this cable assembly is the input Signal negative ground and should be connected to the negative Ground terminal of the volt
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