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6 F 8 A 0 9 3 4
Electromagnetic Flowmeter CAPACITANCE TYPE
MODEL LF516 / LF546
INSTRUCTION MANUAL
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 referred
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6 F 8 A 0 9 3 4 NOTICE We thank you very much for your purchase of our LF516/LF546 CAPACITANCE TYPE series electromagnetic flowmeter. This instruction manual describes the notes on using an electromagnetic flowmeter , installation, configuration and maintenance. It is intended for the personnel in charge of installation, operation and maintenance. To use this product properly and safely, read this manual carefully before using this product. After reading this manual, store it i
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6 F 8 A 0 9 3 4 SAFETY PRECAUTIONS Safety signs and labels affixed to the product and/or described in this manual give important information 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 used for safety signs and labels. Then read the safety precautions that follow to prevent an accident involving personal injury, death or damage to property. Explanation of
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6 F 8 A 0 9 3 4 SAFETY PRECAUTIONS (continued) Safety Precautions for Hazardous Locations Do not disconnect while circuit is live unless location is known to be nonhazardous. Live part of electric circuit or a high temperature department can cause explosion. ’ Do not modify or disassemble the enclosure. Strength degradation and defects of enclosure can cause explosion. ’ Do not use parts of other products. Protective performance degradation for hazardous location
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6 F 8 A 0 9 3 4 Safety Precautions for Installation and Wiring CAUTION Install a switch and fuse to isolate the Use an appropriate device to carry and install the LF516/LF546 from mains power. LF516/LF546. Power supply from mains If this product falls to the ground, power can cause electric injury, or malfunction of or damage to shock or circuit the product, can be caused. break-down. DO DO ■ Use crimped terminal lugs for the terminal Do not modify or disassemble LF
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6 F 8 A 0 9 3 4 SAFETY PRECAUTIONS (continued) Safety Precautions for Maintenance and Inspection CAUTION Do not touch LF516/LF546 main body Do not conduct wiring work when power is when high temperature fluid is applied. being measured. The fluid raises the main Wiring while power is applied can body temperature and can cause electric shock. cause burns when touched. DON’T DON’T Do not conduct wiring work with wet The label shown left is placed near hands. the te
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6 F 8 A 0 9 3 4 Handling Precautions To obtain the optimum performance from LF516/LF546 flowmeter for years of continuous operation, observe the following precautions. (1) Do not store or install the flowmeter in : Where there is direct sunlight. Where excessive vibration or mechanical shock occurs. Where high temperature or high humidity conditions obtain. Where corrosive atmospheres exist. That can be places submerged under water. Where there is a sloped floor. To put th
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6 F 8 A 0 9 3 4 Handling Precautions (continued) (6) Observe the following precautions when you open the converter housing cover: • Do not open the cover in the open air unprotected against rain or wind. This can cause electric shock or cause damage to the flowmeter electronics. • Do not open the cover under high ambient temperature or high humidity conditions or in corrosive atmospheres. This can cause deterioration of system accuracy or cause damage to the flowmeter electr
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6 F 8 A 0 9 3 4 Table of Contents 1. Product Inspection and Storage............................................................................................................................ 11 1.1 Product Inspection......................................................................................................................................... 11 1.2 Storage.........................................................................................................................
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6 F 8 A 0 9 3 4 8.1 Parameter Setting Items................................................................................................................................ 53 8.2 Check/Change of Parameters ....................................................................................................................... 54 8.2.1 Menu Configuration Selection Screen .............................................................................................54 8.2.2 Exciting Current
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6 F 8 A 0 9 3 4 11. Communications Function .................................................................................................................................. 131 11.1 Connections with HHT Terminal.................................................................................................................. 131 11.2 Procedures for Communication with HHT ................................................................................................... 132 11.3 Notes
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6 F 8 A 0 9 3 4 1. Product Inspection and Storage 1.1 Product Inspection LF516/LF546 electromagnetic flowmeter 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. Inspect the flowmeter for indications of damage that may have occurred during shipment. Make sure the type and specifications of the flowmeter are in accordance with the ordered specificati
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6 F 8 A 0 9 3 4 2. Overview LF516/LF546 electromagnetic flowmeter can be use in the following hazardous (classified) locations. Class , Division 2, Groups A, B, C and D, Class , Division 2, Groups E, F and G Class This product is electromagnetic flowmeter that measure the volumetric flow rate of conductive fluid using Faraday's law of electromagnetic induction. The device consists of two units: the detector, through which the fluid to be measured flows, and the conve
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6 F 8 A 0 9 3 4 3. Names of Parts IMPORTANT The cable connections are not provided in the conduit port of this apparatus. Please prepare yourself for the cable connections, which could be used in Division2 hazardous locations. 3.1 Appearance of LF516/LF546 Converter Terminal block cover Display section For power cable Control key (Control panel) For current output cable Arrow nameplate Ground terminal Raised portion Det
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6 F 8 A 0 9 3 4 3.2 Construction of the terminal blocks Terminal Block Construction of LF546 Converter When you remove the terminal block cover shown in the figure "Appearance of LF516/LF546", you can see the converter terminal block as shown below. Internal grounding terminal Power supply terminal Fuse Digital output terminal 0.8A(T)/250V External grounding terminal Digital input terminal Current output terminal
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6 F 8 A 0 9 3 4 4. Installation Safety Precautions for Installation Do not activate live circuits under environment of explosive atmospheres. Live part of electric circuit or a high temperature department can cause explosion. DON’T Do not use parts of other products. Protective performance degradation for hazardous location can cause explosion. DON’T Do not activate circuits While assembly of all components is not over. Protective performance degradation for hazardous l
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6 F 8 A 0 9 3 4 4.1 Notes on Selecting the Installation Location This product is designed for the following environment. Indoor and outdoor installation Ambient temperature: 10 to 50 Altitude:Up to 2000m Humidity range:10 to 90%(no condensation) Regulation of power voltage: 10% Pollution degree 2 Structure:IP67 and NEMA 4X Do not store or install the flowmeter in : 1. Places within the immediate proximity of equipment producing electric
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6 F 8 A 0 9 3 4 4.2 Mounting Procedure 1. Avoid places within the immediate proximity of equipment producing electrical interference (such as motors, transformers, radio transmitters, electrolytic cells, or other equipment causing electromagnetic or electrostatic interference). 2. Avoid places where excessive pipe vibration occurs. 3. Avoid places where fluid runs in a pulsating form. 4. Avoid places where there is direct sunlight. If this is unavoidable, use an appropriate shade
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6 F 8 A 0 9 3 4 (2) Preventing an Empty Pipe Condition Fix the relevant pipes installed on both sides of the detector by attach 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 mass (see Figures 4.2 and 4.3). Pipe support fittings Pipe support fittings Figure 4.2 Example of Pipe Fixing Procedure Figure
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6 F 8 A 0 9 3 4 4.2.2 Installation Procedure To mount the LF516/LF546, 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. Install a packing next to the upstream (or downstream) flange face and the other packing next to the downstream (or upstream) pipe flange. The two mo
