Manuel d'utilisation / d'entretien du produit LF414 du fabricant Toshiba
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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.
− 1 − 6F8A0870 NOTICE We thank you very much for your purchase of our LF414 series electromagnetic flowmeter detector. Integral type LF414/LF600F, LF414/LF610F, LF414/LF620F Sepa.
− 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.
− 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 .
− 4 − 6F8A0870 SAFETY PRECAUTIONS (continued) Safety Precautions for Installation and Wiring CAUTION Install a switch and fuse to isolate the LF414/LF600F, LF414/LF610F, LF414/LF620F and LF414 from mains power. Use an appropriate device to carry and install the LF414/LF600F,LF414/LF610F, LF414/LF620F and LF414.
− 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 .
− 6 − 6F8A0870 Handling Precautions To obtain the optim um performance from the LF600F, LF610F, LF620F, LF602F, LF612F and LF622F converter for years of continuous opera tion, observe the following precautions. (1) Do not store or install the flowmeter in: ・ Places where there is direct sunlight .
− 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 .
− 8 − 6F8A0870 Table of Contents SAFETY 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.
− 10 − 6F8A0870 2. Overview The LF414/LF600F, LF414/LF610F, LF414/LF620F and LF414 electromagnetic flowmeter can be use in the following hazardous (classified) locations.
− 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 whic h could be used in Division2 hazardous locations.
− 12 − 6F8A0870 (2) Meter size of 1inch (25mm) Flow direction arrow Ground terminal for converter 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.
− 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 Fl.
− 14 − 6F8A0870 (4) Meter size of 6 and 8 inch (150 and 200mm) Figure 3.1.4 Appearance of LF414/LF600F, LF610F Meter size 6 and 8 inch(150 and 200mm) Terminal block cover Flow .
− 15 − 6F8A0870 3.1.2 Appearance of LF414/LF620F (1) Meter size of 1/2 inch (15mm) Integral Detector Groundin g rin g Window for electrode Flow direction arrow For the detail of the converter, check the LF620F converter's instruction manual.
− 16 − 6F8A0870 (2) Meter size of 1inch (25mm) Detector Groundin g rin g Window for electrode Flow direction arrow Ground terminal for detector Ground terminal for converter For the detail of the converter, check the LF620F converter's instruction manual.
− 17 − 6F8A0870 (3) Meter size of 1 1/2 to 4 inch (40 to 100mm) Flow direction arrow Detector Groundin g rin g Ground terminal for detector Ground terminal for converter For the detail of the converter, check the LF620F converter's instruction manual.
− 18 − 6F8A0870 (4) Meter size of 6 and 8 inch (150 and 200mm) Detector Groundin g rin g Flow direction arrow Ground terminal for converter Ground terminal for detector For the detail of the converter, check the LF620F converter's instruction manual.
− 19 − 6F8A0870 3.1.3 Appearance of LF414 (1) Meter size of 1/2 inch (15mm) 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.
− 20 − 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.
− 21 − 6F8A0870 (3) Meter size of 1 1/2 to 4 inch (40 to 100mm) Figure 3.1.11 Appearance of LF414 Meter size 1 1/2 to 4 inch (40 to 100mm) Excitation cable 3/4 - 14 NPT Flow di.
− 22 − 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.
− 23 − 6F8A0870 3.2 Construction of the terminal blocks 3.2.1 Terminal Block Construction of LF414/LF600F, LF414/LF610F and LF414/LF620F Type For details of the converter, check the LF600F, LF610F and LF620F converter's instruction manual.
− 24 − 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 .
− 25 − 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 ).
− 26 − 6F8A0870 (2) Preventing an Empty Pipe Condition Fix the relevant pipes installed on both sides of the det ector by attaching fittings, etc.
− 27 − 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.
− 28 − 6F8A0870 Table 4.1 Bolt length and Nut tightening torque ASME B 16.5 class 150 ASME B 16.5 class 300 Through Bolts Through Bolts Meter size P.
− 29 − 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.
− 30 − 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.
− 31 − 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.
− 32 − 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.
− 33 − 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) .
− 34 − 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 .
− 35 − 6F8A0870 CAUTION Install a switch and fuse to isolate the LF414/LF600F, LF414/LF610F, LF414/LF620F 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 .
− 36 − 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.
− 37 − 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.
− 38 − 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.
− 39 − 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.
− 40 − 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.
− 41 − 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 .
− 42 − 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 .
− 43 − 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.
− 44 − 6F8A0870 7.2 Troubleshooting If a problem occurs while using the LF414/LF600F, LF414/LF610F, LF414/LF620F 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).
− 45 − 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.
− 46 − 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.
− 47 − 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.
− 48 − 6F8A0870 9. Specifications The flowmeter specifications and the type specifi cation code used when ordering the flowme ter 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.
− 49 − 6F8A0870 Coating: No coating (for meter sizes 1” to 4” (25 to 100 mm )), Phthalic acid resin coating, pearl-gray colored (standard for meter size 1/2”, 6”, 8” .
− 50 − 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.
− 51 − 6F8A0870 To select the meter size: See Table 9.2 to find m eter sizes within the velocity of 0.3 to 32.8 ft/s (0.1 to 10m/s) for a specified full-scale (measuring range high limit) flow. Select one that has its full-scale velocity between 3.
− 52 − 6F8A0870 9.2 Type Specification Code Table 9.3 Type Specification Code Specification Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Description 1/2”to 4” 6” and 8” E l e .
− 53 − 6F8A0870 Table 9.4 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.
− 54 − 6F8A0870 10. Outline Dimensions 10.1 Outline dimensions of LF414/LF600F, LF414/LF610F (1) Meter size of 1/2 inch (15mm) Waight : approx 11lb (5kg) (2) Meter size of 1 in.
− 55 − 6F8A0870 (3) Meter size of 1 1/2 to 8 inch (40 to 200mm) Meter size inc h (mm) Overall lengeth L1 Hight (L2) Diamete of flange φ D1 Weight lb (kg) 1-1/2 (40) 3.94 (100) 10.39 (264) 3.35 (85) approx 14 (6) 2 (50) 4.33 (110) 11.
− 56 − 6F8A0870 10.2 Outline dimensions of LF414/LF620F (1) Meter size of 1/2 inch (15mm) Waight : approx 9 lb (4kg) (2) Meter size of 1 inch (25mm) Waight : approx 9 lb (4kg) .
− 57 − 6F8A0870 (3) Meter size of 1 1/2 to 8 inch (40 to 200mm) Meter size inc h (mm) Overall lengeth L1 Hight (L2) Diamete of flange φ D1 Weight lb (kg) 1-1/2 (40) 3.94 (100) 9.80 ( 249) 3.35 (85) approx 11 (5) 2 (50) 4.33 (110) 10.
− 58 − 6F8A0870 10.3 Outline dimensions of LF414 (1) Meter size of 1/2 inch (15mm) Waight : approx 7 lb (3kg) (2) Meter size of 1inch (25mm) Waight : approx 7 lb (3kg) Separate.
− 59 − 6F8A0870 (3) Meter size of 1 1/2 to 8 inch (40 to 200mm) Meter size inc h (mm) Overall lengeth L1 Hight (L2) Diamete of flange φ D1 Weight lb (kg) 1-1/2 (40) 3.94 (100) 7.48 (190.5) 3.35 (85) approx 8 (4) 2 (50) 4.33 (110) 8.
− 60 − 6F8A0870 Appendix 1 1-1 A system block diagram for LF414/LF600F, LF414/LF610F.
− 61 − 6F8A0870 1-2 A system block diagram for LF414/LF620F.
− 62 − 6F8A0870 2-1 A system block diagram for LF414.
− 63 − 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 .
FCF50017.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Toshiba LF414 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Toshiba LF414 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Toshiba LF414, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Toshiba LF414 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Toshiba LF414, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Toshiba LF414.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Toshiba LF414. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Toshiba LF414 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.