Toshiba LF414 manuale d’uso

６Ｆ８Ａ０８７０ NOTES Before using the equipment, please read this manual carefully and understand the contents, and then use the equipment correctly. • NEVER attempt to operate the equipment in any ways that are not described in this instruction manual. • After reading this manual, store it with care in a place where it can be referre[...]

－ １ － ６Ｆ８Ａ０８７０ NOTICE We thank you very much for your purchase of our LF414 series electromagnetic flowmeter detector. Integral type LF414/LF600F, LF414/LF610F Separate type detector LF414 This instruction manual describes the notes on using an electromagnetic flowm eter detector, installation, configuration and maintenance. I[...]

－ ２ － ６Ｆ８Ａ０８７０ SAFETY PRECAUTIONS Safety signs and labels affixed to th e product and/or described in this manua l give important inform ation for using the product safely. They help prevent damage to property and obviate hazards for persons using the product. Make yourself familiar with signal words and symbols u sed for safe[...]

－ ３ － ６Ｆ８Ａ０８７０ SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring WARNING  Do not disconnect while circuit is live unless location is known to be nonhazardous. DON ’ T Live part of electric circuit or a high temperature department can cause explosion .  Do not modify or disassemble the enclosure. DON ’[...]

－ ４ － ６Ｆ８Ａ０８７０ SAFETY PRECAUTIONS (continued) Safety Precautions for Installation and Wiring CAUTION  Install a switch and fuse to isolate the LF414/LF600F, LF610F and LF414 from mains power.  Use an appropriate device to carry and install the LF414/LF600F, LF610F and LF414. DO Power supply from mains power can cause ele[...]

－ ５ － ６Ｆ８Ａ０８７０ SAFETY PRECAUTIONS (continued) Safety Precautions for Maintenance and Inspection CAUTION  Do not conduct wiring work with wet hands .  Do not conduct wiring work when power is applied . DON’T Wet hands may result in electric shock . DON’T Wiring while power is applied can cause electric shock .  Do [...]

－ ６ － ６Ｆ８Ａ０８７０ Handling Precautions To obtain the optim um perform ance from the LF600F, LF610F, LF602F and LF612F converter for years of continuous operation, observe the following precautions. (1) Do not store or install the flowmeter in: ・ Places where there is direct sunlight . ・ Places where there is snow and ice Infr[...]

－ ７ － ６Ｆ８Ａ０８７０ Handling Precautions (continued) (5) If the inside of the converter and detector's terminal box are wetted or hum idified, it may cause insulation deterioration, which can result in fault or noise occurrence . So do not conduct wiring in the open air on rainy days . Also, be careful not to wet down the conv[...]

－ ８ － ６Ｆ８Ａ０８７０ Table of Contents SAFETY PRECAUTIONS ····················································································· 2 Handling Precautions ·········································[...]

－ ９ － ６Ｆ８Ａ０８７０ 1. Product Inspection and Storage 1.1 Product Inspection LF414 series electromagnetic flowm eter is shipped in a cardboard container filled with shock-absorbing materials. Open the package carefully and check as follows:  Make sure the following items are included in the package. For the integral type (when a[...]

－ １０ － ６Ｆ８Ａ０８７０ 2. Overview The LF414/LF600F, LF414/LF610F and LF414 electromagnetic flowmeter can be use in the following hazardous (classified) locations. Class Ⅰ , Division 2, Groups A, B, C and D, Class Ⅱ , Division 2, Groups E, F and G Class Ⅲ This product is a converter used for electromagnetic fl owmeters that m[...]

－ １１ － ６Ｆ８Ａ０８７０ 3. Names of Parts 3.1 Appearance 3.1.1 Appearance of LF414/LF600F, LF414/LF610F (1) Meter size of 1/2 inch (15mm) IMPORTANT The apparatus should not be provi ded with the cable connections. Please prepare yourself for the cable connections which could be used in Division2 hazardos li Integral Figure 3.1.1 App[...]

－ １２ － ６Ｆ８Ａ０８７０ (2) Meter size of 1inch (25mm) Flow direction arrow Ground terminal for converter Terminal block cover Detector Groundin g rin g Window for electrode Ground terminal for detector For the detail of the converter, check the LF600F, LF610F converter's instruction manual. Figure 3.1.2 Appearance of LF414/LF6[...]

－ １３ － ６Ｆ８Ａ０８７０ (3) Meter size of 1 1/2 to 4 inch (40 to 100mm) Figure 3.1.3 Appearance of LF414/LF600F, LF610F Meter size 1 1/2 to 4 inch (40 to 100mm) Terminal block cover Flow direction arrow Ground terminal for converter Detector Groundin g rin g Ground terminal for detector For the detail of the converter, check the LF6[...]

－ １４ － ６Ｆ８Ａ０８７０ (4) Meter size of 6 and 8 inch (150 and 200mm) Figure 3.1.1 Appearance of LF414/LF600F, LF610F Meter size 6 and 8 inch(150 and 200mm) Terminal block cover Flow direction arrow Ground terminal for converter Detector Groundin g rin g Ground terminal for detector For the detail of the converter, check the LF600F[...]

－ １５ － ６Ｆ８Ａ０８７０ 3.1.2 Appearance of LF414 (1) Meter size of 1/2 inch (15mm) Separate Excitation cable 3/4 - 14 NPT Flow direction arrow Terminal Box Cover Detector Groundin g rin g Window for electrode Ground terminal for detector Signal cable 3/4 - 14 NPT Terminal Box Figure 3.1.2 Appearance of LF414 Meter size 1/2inch(15mm[...]

－ １６ － ６Ｆ８Ａ０８７０ (2) Meter size of 1inch (25mm) for Excitation cable 3/4 - 14 NPT Flow direction arrow Terminal Box Cover Detector Groundin g rin g Window for electrode Ground terminal for detector for Signal cable 3/4 - 14 NPT Terminal Box Figure 3.1.2 Appearance of LF414 Meter size 1 inch(25mm)[...]

－ １７ － ６Ｆ８Ａ０８７０ (3) Meter size of 1 1/2 to 4 inch (40 to 100mm) Figure 3.1.3 Appearance of LF414 Meter size 1 1/2 to 4 inch (40 to 100mm) Excitation cable 3/4 - 14 NPT Flow direction arrow Terminal Box Cover Detector Groundin g rin g Ground terminal for detector Signal cable 3/4 - 14 NPT Terminal Box[...]

－ １８ － ６Ｆ８Ａ０８７０ (4) Meter size of 6 and 8 inch (150 and 200mm) 矢印銘板 Liftin g lu gs *Only 8 inch (200mm) provided. Excitation cable 3/4 - 14 NPT Flow direction arrow Terminal Box Cover Detector Groundin g rin g Ground terminal for detector Signal cable 3/4 - 14 NPT Terminal Box Figure 3.1.4 Appearance of LF414 Meter s[...]

－ １９ － ６Ｆ８Ａ０８７０ 3.2 Construction of the terminal blocks 3.2.1 Terminal Block Construction of LF414/LF600F, LF414/LF610F Type For details of the converter, check the LF600F, LF610Fconverter's instruction manual. 3.2.2 Terminal Block Construction of LF414 Type Separate Integral Signal cable terminal Excitation cable termi[...]

－ ２０ － ６Ｆ８Ａ０８７０ 4. Installation Safety Precautions for Installation WARNING  Do not live active circuits under environment of explosive atmospheres. DON’T Live part of electric circuit or a high temperature department can cause explosion .  Do not use parts of other products . DON’T Protective performance degradati[...]

－ ２１ － ６Ｆ８Ａ０８７０ 4.1 Notes on Selecting the Installation Location 1. Avoid places within the immediate proxim ity of equipment producing electrical interference (such as motors, transformers, radio transmitters, el ectrolytic cells, or other equipment causing electromagnetic or electrostatic interference ). 2. Avoid places wh[...]

－ ２２ － ６Ｆ８Ａ０８７０ (2) Preventing an Empty Pipe Condition Fix the relevant pipes installed on both sides of the det ector by attaching fittings, etc. to support the pipe. By supporting the pipes, not only the pipe vibration is reduced but also the damage to the pipes by the electromagnetic flowmeter's weight and the fluid [...]

－ ２３ － ６Ｆ８Ａ０８７０ 4.2.2 Installation Procedure To mount the LF414, place it between the upstream and downstream pipe flanges and tighten it with flange bolts and nuts. See Figure 4.4 and follow the procedure below: 1. Insert two lower mounting bolts through the clearance holes in the upstream (or downstream ) pipe flange. 2. I[...]

－ ２４ － ６Ｆ８Ａ０８７０ Table 4.1 Bolt length and Nut tightening torque ANSI class 150 ANSI class 300 Through Bolts Through Bolts Meter size P.C.S Dia- meter Length [mm] Tightening torque [N ･ m] P.C.S Dia- meter Length [mm] Tightening torque [N ･ m] 15mm 1/2” 4 1/2” 150 12 to 15 4 1/2” 155 25 to 31 25mm 1” 4 1/2” 170 [...]

－ ２５ － ６Ｆ８Ａ０８７０ 4.3 Piping Connections (1a) Ideal Upstream Straight Pipe Length Installation Requirements If various joints are used upstream of the detector outlet, the straight pipe length as shown in Table 4.2 is required. Table 4.2 Required straight pipe length on the upstream side L: Required straight pipe length—stra[...]

－ ２６ － ６Ｆ８Ａ０８７０ (2) Pipe Orientation The detector may be installed in horizontal, vertical or sloping pipe runs as shown in Figure 4.5. However, except for horizontal installation, fluid should flow from lower to upper directions. If no air bubble, vertical down flow application are acceptable under pressured piping conditio[...]

－ ２７ － ６Ｆ８Ａ０８７０ (3) Flow Direction Install the detector in accordance with the flow direction arrow on the detector. See Figure 4.7. Figure 4.7 Flow direction arrow on the detector (4) Preventing an Empty Pipe Condition Design an upright pipe run (Figure 4.8) or sufficient head pressure (Fig. 4.9) at the downstream detector [...]

－ ２８ － ６Ｆ８Ａ０８７０ 4.4 Grounding CAUTION  Do not wire cables and replace parts when power is supplied.  Do not work on piping and wiring with wet hands . DON’T Wiring work and replacing parts in the power-on state may cause electric shock. DON’T Wet hands may result in electric shock . (1) Grounding of the LF414/LF600[...]

－ ２９ － ６Ｆ８Ａ０８７０ (2) Grounding of the LF414 type Ground the external grounding terminal of the detect or and the FG terminal of the converter (or external grounding terminal of the converter) securely ( grounding resistance 100 Ω or lower) . Use grounding wire material of IV wire 5.5mm 2 or more. Do not share a grounding wir[...]

－ ３０ － ６Ｆ８Ａ０８７０ 5.Wiring Safety Precautions for Wiring WARNING  DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS LOCATION IS KNOWN TO BE NONHAZARDOUS. DON’T Live part of electric circuit or a high temperature department can cause explosion .  Do not active live circuits While assembly of all components is not over. DON[...]

－ ３１ － ６Ｆ８Ａ０８７０ CAUTION  Install a switch and fuse to isolate the LF414/LF600F, LF610F and LF414 from mains power.  Turn off mains power before conducting wiring work. DO Power supply from mains power can cause electric shock or circuit break-down . DO Wiring while power is applied can cause electric shock .  Do not[...]

－ ３２ － ６Ｆ８Ａ０８７０ Notes on wiring CAUTION (1) Select the cable runs away from electrical equipment (m otors, transformers, or radio transmitters) which causes electromagn etic or electrostatic interference . (2) Deterioration of flowmeter circuit insulation occurs if the converter interior or cable ends get wet or humidified. [...]

－ ３３ － ６Ｆ８Ａ０８７０ 5.2 External Device Connections and Grounding For the notes on connecting, wiring and installation of the combined converter, check the model num ber of the combined converter and read the inst ruction manual of the relevant converter. 5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring • To[...]

－ ３４ － ６Ｆ８Ａ０８７０ 5.4 Wiring 5.4.1 Terminal Treatment of Cables Follow the procedures below to treat the terminals (at the converter side) of various cables and install the cables to the terminal block. Use appropria te cables based on the description in Section 5.1 "Cables." Crimp a round type insulated crimp-type t[...]

－ ３５ － ６Ｆ８Ａ０８７０ (3) Connecting the input signal cable Strip the sheath from the end of each conductor of a 2- core individually shielded cable as shown in Figure 5.4. Twist those shields and cover them with a thermal contraction tube or vinyl tube not to make contact with the case or core wires. Then a ttach an M3.5 crim pin[...]

－ ３６ － ６Ｆ８Ａ０８７０ 5.4.2 Cable Connection Connect and install the terminal-treate d cables to the terminal block. *Connect the cables to the terminal block securely. A loose connection may cause incorrect measurement. After connecting a cable, try to pull it to check whether it has been connected securely. Referring to combined[...]

－ ３７ － ６Ｆ８Ａ０８７０ 6. Operation Preparatory check Follow the procedure described belo w to prepare before starting the flow measurement (described with regard to the entire flowmeter). Check the items listed below  Check the wiring between the converter and related instruments .  Make sure all the bolts of connection flan[...]

－ ３８ － ６Ｆ８Ａ０８７０ 7. Maintenance and Troubleshooting Safety precaution for Maintenance and Troubleshooting WARNING  Do not disconnect while circuit is live unless location is known to be nonhazardous. DON’T Live part of electric circuit or a high temperature department can cause explosion .  Do not modify or disassembl[...]

－ ３９ － ６Ｆ８Ａ０８７０ 7.1 Maintenance  Cleaning  Adhesion might be created in the detectore over a long period of time when used on certain materials. Try to confirm whether to cause the adhesion in the de tector pipe when the phenomenon is seen, and and an abnormality (ex. decreasing indication, etc.) is confirmed. Please c[...]

－ ４０ － ６Ｆ８Ａ０８７０ 7.2 Troubleshooting If a problem occurs while using the LF414/LF600F, LF414/LF610F and LF414, follow the flowcharts described below. You may find a way to solve the problem. The flowch arts are based on three symptoms (1) to (3). If you cannot solve the problem, contact your nearest Toshiba representative. 7.[...]

－ ４１ － ６Ｆ８Ａ０８７０ 7.2.2 Flow rate indicated is not correct Is the flow range correctly set? Set correctly. Refer to combined converter's manual. NO YES Is zero point correctly set? Perform the zero adjustme nt. Refer to combined converter's manual. NO YES Is the excitation current value as stated on the flow directio[...]

－ ４２ － ６Ｆ８Ａ０８７０ 7.2.3 Flow rate indication is not stable Is power supply voltage within the specified range? Use a power supply within the specified range. Are cables securely connected? Connect each cable securely to the terminal board. Is the fluid carrying bubbles? Design piping so that the fluid does not carry bubbles. I[...]

－ ４３ － ６Ｆ８Ａ０８７０ 8. Principle of Operation The operating principle of the electromagnetic flowme ter is based on Faraday's Law of electromagnetic induction and it is designed to measure the volumetric flow rate of fluid. An insulated pipe of diameter D is placed vertically to the direction of a magnetic field with flux d[...]

－ ４４ － ６Ｆ８Ａ０８７０ 9. Specifications The flowmeter specifications and the type specifi cation code used when ordering the flowmeter are described in this chapter. 9.1Specifications Meter size: 1/2, 1, 1 1/2, 2, 3, 4, 6, 8 inch (15, 25, 40, 50, 80, 100, 150, 200mm) Measurement range in terms of flow velocity: 0 – 1.0 ft/s to 0[...]

－ ４５ － ６Ｆ８Ａ０８７０ Coating: No coating (for meter sizes 25 to 100 mm ), Phthalic acid resin coating, pearl-gray colored (standard for meter size 15,150, 200mm) Structure: IP67 and NEMA 4X Watertight ( Standard ) Cable connection port : 3/4-14NPT male screw for both signal cable and exciting cable C a b l e l e n g t h : Allowab[...]

－ ４６ － ６Ｆ８Ａ０８７０ Flow and calibration velocity range : I t c a l i b r a t i o n b y s t a n d a rd Range shown in the table below when Range is not specified. It calibration when there is sp ecification by flowing quantity Range in which the customer is specified. Is this specification Range flowing quantity of Figure 9.1. P[...]

－ ４７ － ６Ｆ８Ａ０８７０ Flow velocity range Flow volume Meter size 0.328ft/s 0.98ft/s 3ft/s 10ft/s 32.8ft/s 1/2 inch 0.2801 gal/min 0.8403 gal/min 2.561 gal/m in 8.538 gal/min 28.01 gal/min 1 inch 0.7781 gal/min 2.334 gal/m in 7.115 gal/min 23.72 gal/m in 77.81 gal/min 1 1/2 inch 1.992 gal/min 5.975 gal/m in 18.21 gal/min 60.71 gal/[...]

－ ４８ － ６Ｆ８Ａ０８７０ 9.2 Type Specification Code Table 9.2 Type Specification Code ○ ： S t a n d a r d △： Option － ： Not available Specification Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description 15mm to 100mm 150mm and 200mm E l e c t r o m a g n e t i c F l o w m e t e r S t y l e Wafer type Area of use Division 2 Ha[...]

－ ４９ － ６Ｆ８Ａ０８７０ Table 9.3 Type Specification Code (Exciting Cable and Signal Cable) Model Specification Code 1 2 3 4 5 6 7 8 Description A C C Dedicated preformed cable A B Nominal cross-sectional area of Exciting cable (Note 1) 1.25 mm² 2 mm² A Nominal cross-sectional area of Signal cable (Note 2) 0.75 mm² 0 0 0 0 0 0 0 [...]

－ ５０ － ６Ｆ８Ａ０８７０ 10. Outline Dimensions 10.1 Outline dimensions of LF414/LF600F, LF414/LF610F (1) Meter size of 1/2 inch (15mm) Waight : approx 5kg (2) Meter size of 1inch (25mm) Waight : approx 5kg 70 64 225 (35) 143 252 φ 49 225 87 241 80 (35) 143 Integral[...]

－ ５１ － ６Ｆ８Ａ０８７０ (3) Meter size of 1 1/2 to 8 inch (40 to 200mm) Meter size (mm) Overall lengeth L1 Hight (L2) Diamete of flange φ D1 Weight (kg) 40 100 264 85 approx 6 50 110 280 102 approx 7 80 110 306 127 approx 8 100 120 338 159 approx 10 150 230 407 216 approx 22 200 300 458 267 approx 32 225 (L2) L1 ΦD1 (35) 143[...]

－ ５２ － ６Ｆ８Ａ０８７０ 10.2 Outline dimensions of LF414 (1) Meter size of 1/2 inch (15mm) Waight : approx 3kg (2) Meter size of 1inch (25mm) Waight : approx 3kg Separate[...]

－ ５３ － ６Ｆ８Ａ０８７０ (3) Meter size of 1 1/2 to 8 inch (40 to 200mm) Meter size (mm) Overall lengeth L1 Hight (L2) Diamete of flange φ D1 Weight (kg) 40 100 190 85 approx 5 50 110 207 102 approx 6 80 110 232 127 approx 7 100 120 264 159 approx 9 150 230 334 216 approx 22 200 300 385 267 approx 36[...]

－ ５４ － ６Ｆ８Ａ０８７０ Appendix 1 1-1 A system block diagram for LF414/LF600F, LF414/LF610F[...]

－ ５５ － ６Ｆ８Ａ０８７０ 2-1 A system block diagram for LF414[...]

－ ５６ － ６Ｆ８Ａ０８７０ Write down the address and phone number of the distri butor from which you purchased this product, the product code, SER.NO. and so on. Distributor Address N a m e Phone number （ ） － Product code LF S E R . N O .[...]

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