Omega FD6001 manuale d’uso

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Servicing Nor th America: U.S.A.: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: U.S.A. and Canad[...]

1-1 P ART 1 - T ABLE OF CONTENTS Description Pages Quick Start Installation 1.2-1.3 Operating Th eory 1.4 Product Limit ations 1.5 Model Number Matrix 1.6 Specifications 1.7 Transducer Inst allation 2.1-2.5 Pre-Installation Functio nal Test 3.1-3.2 Transmitter Inst allation 3.3-3.4 Power Source Jumper Settings 3.5 Electrical Connections 3.5-3.6 Pow[...]

1-2 This manual contains detailed operating instructions for all aspects of the FD6000 instruments. The following condensed instructions are provided to assist the operator in getting the instrument started up and running as quickly a s possible. This pertains to basic operation only. If specific instrument features are to be used o r if the i nsta[...]

1-3 3. TRANSDUCER/PO WER CONNECTIONS A. Do not attempt to add additional cable to the transducers. B. Refer to the DIAGRAMS in Figure 1.2 for proper pow er and transducer connections. Verify proper jumper selections are in place for the pow er source. See Figure 3.4. 4. INITIA L SETT INGS A ND POWER UP A. Adjust the GAIN control [R13 ] to 1/4 tu rn[...]

1-4 The FD6000 Series flowmeter is designed to measure the flow of liquids and slurries in full-pipe closed systems. The transmitt er is field con figured to measure flow on a variety of pipes and liquids. The standard product is typically used on pipe sizes ranging from 1 - 120 inch [ 25 - 15 24 mm ] pipe I.D. ( W ith t he small pipe transd ucer o[...]

1-5 The flowme ter is typi cally used as a unidi rectional meter and is most ac curate when th e trans ducer is mounted in t he orient ation det ailed in this man ual. But, the met er w ill measure flow in both directions — although flo w direction will not be indicated or totalized properly. The flow meter will operate from signals returned from[...]

1-6 The FD6000 Series employs modular construction and provides electrical safety for the operator. The display face c ontains voltages no g reater th an 9 Vdc and any ex posed met al work is electrically connected to Earth Grou nd. Th e display face sw ings ope n to allow access to us er connections. The serial nu mber an d complete model number o[...]

1-7 P ART 1 - GENERAL (Std) 115 or 230 V AC 50/60 Hz ± 10% and 12 VDC. (Opt) Po wer consumption less than 12 V A.[...]

NOTES[...]

2-1 The following list outlines how to install the transducer for optimal per formance, highest reliability and greatest accuracy: 1. Select a tr ansducer sit e at leas t 10 pipe diameters downstream from be nds, or fittings and 5 pipe diameters upstream. A symmetrical flow pattern is necessary for accuracy and repeatability over th e P ART 2 - TRA[...]

2-2 operating rang e o f the meter. Dow n stream from pump or ori fices, etc., l ocate at le ast 20 dia meters. See Table 2.1 2. On horizontal pipe, select a positio n that is between 2 and 4 o’c lock on the pip e, with 12 o’clock representing the t op. I f the tra nsducer i s to be mounted o n a vertical pipe , select a s ection of pipe w here[...]

2-3 permanently mounted. Under flowing liquid conditions, adequa te sig nal is indicated w hen the Signal Strength indic ates between 00 0125 and 000200 cou nts. For proper op eration , ther e cannot be a ir voids between t he traduc er face a nd pipe. The space must be filled with a materia l wh ich is a good transmitter o f sound energ y such as:[...]

2-4 1. Pipe Prepar ation: For perma nent silicone adhesive m ounting, after determining the trans ducer location, s ome attention must be giv en to the pipe co ndition. Be fore the transducer head is bonded to the pipe su rface, a n area slightly larg er than the flat sur face to the transducer head (black rectang le) must be clean ed to bare metal[...]

2-5 adhesive (Dow-732). Sprea d a bead o f the adhesiv e on the flat sur face of the transduc er face, cov ering well. Now spread a bea d to the prepar ed pipe surface and press the head lightly to the pipe. Let the adhesive flow enough to fill in all the area beneath th e head. At the same time, clamp (clamp supplied) into place until the silicone[...]

NOTES[...]

3-1 P ART 3 - PRE-INST ALLA TIO N CHECK OUT After unpacking, it is r ecommended to sav e the s hipping carton and packing materials in case the instrume nt is stored or re-ship ped. Inspect t he equipment and cart on for damage. I f there is ev idence of ship ping damage, notify the c arrier imm ediately. The FD6000 Series flowmeter can be checked [...]

3-2 forth with y our thumb using mo derate pr essur e. The cycle time should be 1-2 times per second. 8. Ve rify that signal st rength increases w ith frequency of the rubbing . Typical i ncreases w ill range from 20-30 counts. 9. Verify that signal strength decreases w hen rubbing ceases. Bench Test is Complete P ART 3 - PRE-INST ALLA TIO N CHECK [...]

3-3 1. Place the tra nsmitter in a locatio n that is: ♦ W h ere little v ibration e xist. ♦ Protected from falli ng corrosiv e fluids. ♦ W i thin am bient temper ature limits - 2 2 to 122 ° F [-30 to 50 ° C] ♦ Out of direct sunlight. Di rect sunlight may increase temperat ures w ithin the trans mitter to abov e max imum limit. 2. Mounting[...]

3-4 NOTE: The transducer cable carries low lev el signals. Do not att empt to a dd ad ditional ca ble to t he factory supplied transducer c able. P ART 2 - SER VICE AND MA INTENANCE P ART 3 - TRANSMITTER INST ALL A TION FIGURE 3.3 Impor tant ! FD-5000 Shown 1.45 [36.8] 3.88 [98.5][...]

3-5 The 4- 20mA output is pro portional to t he flow rate measuring scale and c an drive a load of up to 10 00 ohms. The output is isolated from earth g round and circ uit low. Connect the load to the 4- 20 mA connecti on terminals located on the inside of the enclosure, matching polarity as indicated. Line power is conne cted by supply ing pow er [...]

3-6 1. Guide the transduc er terminations thro ugh the transmitter cond uit hol e located on t he left s ide of t he enclosure. Secure t he transduc er cable w ith the supplied conduit nut. 2. The terminals o n the t ransducer ca ble are c oded w ith wire markings. Conn ect the appropr iate wi res to the corresponding screw terminals in the tra nsm[...]

3-7 Note: The FD6000 Series flow meter system requires a full pipe of flowing liquid before a successful startup can be completed. Do not attempt to make adjustments or change configurations until a full pipe is verified. Procedure: 1. Verify that all w iring is properly connec ted and rout ed. 2. Apply pow er. 3. Adjust the GAIN c ontrol [R13] to [...]

3-8 After a success ful flow meter installation and startup (covered in the previous sections of this manual) the FD6000 can be keypad c onfigured to prov ide select eng ineerin g unit readings of flow and a scaled 4-20mA output. Configuration inp uts are made v ia the keypad an d ar e stored by the microprocessor. The e ntries are ret ained by the[...]

3-9 F1 and F2 Not utilized. RESET Caution: Conducts a sy stem reset. All con figuration constants w il l be lost and t he FD 6 00 0 wi ll load d efault v alues for all constants. I.D. Allows entry of a pipes intern al diameter . Internal diameters must be en tered i f volumetric flow rates are to be displ ayed . n If a UNITS code for U.S. measur em[...]

3-10 second). Valid ranges for this en try ar e 0.00 to 30.00 FPS. Two useful equations tha t relate liquid velocity to volu me: GPM = 2.45 X I.D. 2 X FPS FPS = ( GPM X 0.408) / I.D. 2 I.D. in inc hes n If a UNITS code for metric measurement was made the I.D. value w ill be entered in MPS (meters per second). Valid ranges for this entry are 0 to 10[...]

3-11 UNITS Code Flow Rate Totalizer 0 FPS (feet per sec) N/A 1 GPM (gallons per min) GALLONS 2 GPH (gallons per hr) GALLONS 3 MGD (millions of gal pre day) GALLONS 4 CFM (ft. 3 per min) CF 5 MPS (meters per sec) N/A 6 CMH (m 3 per hr) m 3 7 LPM (liters per min) Liters 8 MLD (millions of liters per day) Liters 9 BPM (barrels per min) BARRELS 10 BPH [...]

3-12 HI G H AL AR M (Labeled RELAY-1 o n the Mai n PCB) Controls the set-point of th e SPDT relay labeled RELAY -1 on the Main PCB. Ent er a liquid velocity at which a relay- contact ac tion is desir ed. Relay contacts are utilized for signalin g flow rate condit ions that are hi gher of lower tha n a desired set point. I f a relay setting is made [...]

3-13 The Ex ternal Counter output, available at the two terminals labeled CTR on th e Main PCB, is in fluenced by the TOTAL MUL T val ue. Since the output i s desig ned to operate electro mechanical acc umulators, lar ge flow rates will requir e that the TOTAL MUL T be set to a value usa ble by these ty pes of coun ters (typically speeds no faster [...]

3-14 Third press Restarts the internal totalizer/external CTR (The internal totaliz er starts fro m z er o. ) (continued) If inhibiting (pausing) the to talizer is necessa ry, there ar e two meth ods sugg ested: 1. Connect and external totaliz er to the C TR terminals. See the s ection of this man ual relate d to C TR electrical connections for con[...]

3-15 of correction factors locate d in the Appen dix of this manual for Liquid Sound Speed an d their associated correction factors. n Transduc er mount ed in non-reco mmended l ocations. By apply ing a CAL value o ther than 1 00%, the factory- calibrated reading s will be altered by the perc entage entered. This CAL v alue w ill be r eflected in t[...]

3-16 2 nd FUNCT - SERVICE MODE {2 nd FUNCT} SIGNAL STR Displays the raw Doppler signal strength v alue. This value will increase as t he velocity of th e liquid increases. Typically, a liq uid flowing at a v elocity gr eater than 0.2 FPS [0.06 MPS], w ith adeq uate sus pended s olids (100 ppm or 100 micron or larg er solids) or aeratio n, will prod[...]

3-17 {2 nd FUNCT} 4 mA The 4-20mA output on standard FD6000 Series flow meters is scaled at z ero flow equals 4mA and 20 FPS ( 6.08 MPS) equals 20mA. The 4m A key allow s fine adjus tments to b e made to th e “zero” of the 4-2 0mA output or al lows offset to be placed on the 4-20mA out put. To adjust the 4mA output, an ammeter or reliable refer[...]

3-18 {2 nd FUNCT} 20mA The 4-20mA output on standard FD6000 fl ow meters is scaled at zero flow equals 4mA a nd 20 FP S (6.08 MPS) equals 20mA. The 2 0mA key allow s fine adjustments to be made t o the “spa n” o f the 4-20 mA output. To adjus t the 20mA output, an ammeter or reliable refer ence connection to the 4-20 mA output mus t be present.[...]

3-19 {2 nd FUNCT} INPUT F.S. This key is used t o select a max imum v elocity that the instrument will operate. Choices are 10, 20 and 30 FPS . It is not recommen ded to d eviate alter t his value from factory settings, as c er tain spans hav e been set that correlate to the se t max imum v elocity. Consult OMEGA Engineering for adjustment procedur[...]

3-20 P ART 3 - TR O UBLE SHOO TI NG CONDITION POSSIBLE CAUSE Unit does not turn “ON” when power is applied • Verify that AC power source is live. • Test the fuse • Verify that proper po w er supply j u mpers are in place. FAULT CONDITION is indicated on LCD indicator • Fault conditions can ar ise from several causes: electrical surges, [...]

3-21 P ART 3 - TR O UBLE SHOO TI NG Stability of flow readings are unsatisfactory • Increase the DAMP constan t from keypad . • Move transducers to a location further from piping tees , elbow s, valves, filt ers, Erroneous Reading • Transduc er mount ed incorr ectly or not true to the pipe. • Another local ultraso nic instrument is operatin[...]

APPENDIX Appendix Fluid Sound Spee d Conversions Pipe Dimension C hart: Ductile Iron Pipe Dimension C hart: Cast Iron Pipe Dimension C hart: Steel, SS, PVC Velocity to Volumetric Conversion Chart[...]

Fluid Sound Speeds Original Date: 10/19/99 Revision: none Revision Date: none 120.0176921 Doppler Fluid Specific Gravity Sound Speed Calibration Entry 20 de g rees C m/s ft/s relative to 25C water Acetate, Butyl (n) 1270 4163.9 85 Acetate, Ethyl 0.901 1085 3559.7 72 Acetate, Methyl 0.934 1211 3973.1 81 Acetate, Propyl 1280 4196.7 85 Acetone 0.79 11[...]

Linseed Oil .925-.939 1770 5803.3 118 Methanol (40,41) 0.79 1076 3530.2 72 Methyl alcohol (40,44) 0.79 1076 3530.2 72 Methylene chloride (3) 1.33 1070 3510.5 71 Methylethyl Ketone 1210 3967.2 81 Motor Oil (SAE 20/30) .88-.935 1487 4875.4 99 Octane (23) 0.70 1172 3845.1 78 Oil, Castor 0.97 1477 4845.8 99 Oil, Diesel 0.80 1250 4101 83 Oil (Lubricatin[...]

Cement Lining Std./Double Thickness ID Wa ll ID Wa ll ID Wa ll ID Wa ll ID W all ID W all ID Wa ll 3 3.96 3.46 0.25 3.40 0.28 3.34 0.31 3.28 0.34 3.22 0.37 3.14 0.41 4 4.80 4.28 0.26 4.22 0.29 4.16 0.32 4.10 0.35 4.04 0.38 3.93 0.44 6 6.90 6.40 0.25 6.34 0.28 6.28 0.31 6.22 0.34 6.16 0.37 6.10 0.40 6.04 0.43 .123/.250 8 9.05 8.51 0.27 8.45 0.30 8.3[...]

Size (Inches) O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall O.D. Inch I.D. Inch Wall 3 3.80 3.02 0.39 3.96 3.12 0.42 3.96 3.06 0.45 3.96 3.00 0.48 4 4.80 3.96 0.42 5.00 4.10 0.45 5.00 4.04 0.48 5.00 3.96 0.52 6 6.90 6.02 [...]

ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall ID Wall 1 1.315 1.185 0.065 1.097 0.109 1.049 1.049 0.133 0.957 0.179 0.957 0.179 0.815 0.250 1.25 1.660 1.530 0.065 1.442 0.109 1.380 1.380 0.140 1.278 0.191 1.278 0.191 1.160 0.250 1.5 1.900 1.770 0.065 1.682 0.109 1.610 1.610 0.145 1.500 0.200 1.500 0[...]

Nominal Pipe (Inches) I.D. INCH 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6 .5 7 7.5 8 8.5 9 1 1.05 2.6989 4.0484 5.3978 6.7473 8.097 9.4462 10.796 12.145 13.490 14.844 16.190 17.540 18.890 20.240 21.590 22.941 24.290 1.25 1.38 4.6620 6.9929 9.3239 11.655 13.99 16.317 18.648 20.979 23.310 25.641 27.970 30.300 32.630 34.960 37.300 39.627 41.958 1.5 1.61 6.345[...]

Nominal Pipe (Inches) I.D. INCH 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6 .5 7 7.5 8 8.5 9 FPS TO GPM CROSS - REFERENCE (Schedule 40) 18 16.88 697.52 1046.3 1395.0 1743.8 2093.0 2441.3 2790.1 3138.8 3488.0 3836.3 4185.0 4534.0 4883.0 5231.0 5580.0 5928.9 6277.7 20 18.81 866.14 1299.0 1732.0 2165.3 2598.4 3031.5 3464.6 3897.6 4330.7 4763.8 5196.8 5629.9 606[...]

W ARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA ’ s W ARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA ’ s custo[...]

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