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Toshiba LF414 manual －１６－, ６Ｆ８Ａ０８７０, Meter size of 1inch 25mm, Window for electrode

Models: LF414

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(2) Meter size of 1inch (25mm)

For the detail of the converter, check the LF620F converter's instruction manual.

Ground terminal

for converter

Flow direction arrow

Ground terminal for detector

Detector

Grounding ring

Window for electrode

Figure 3.1.6 Appearance of LF414/LF620F

Meter size 1 inch(25mm)

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Page 17

Image 17

Toshiba manual －１６－, ６Ｆ８Ａ０８７０, Meter size of 1inch 25mm, 1.6 Appearance of LF414/LF620F Meter size 1 inch25mm

Contents

６Ｆ８Ａ０８７０－１－６Ｆ８Ａ０８７０About Safety Precautions Integral type LF414/LF600F, LF414/LF610F, LF414/LF620FExplanation of signal words SAFETY PRECAUTIONSSafety symbols －２－－３－ SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring６Ｆ８Ａ０８７０ DON’TSafety Precautions for Installation and Wiring SAFETY PRECAUTIONS continuedDON’T －４－Warranty and Limitation of Liability Safety Precautions for Maintenance and InspectionUsage limitation －５－－６－ Handling Precautions・Places where excessive vibration or mechanical shock occurs 2 Wire cables correctly and securely６Ｆ８Ａ０８７０ Handling Precautions continued－７－６Ｆ８Ａ０８７０ Table of Contents－８－ 1.1 Product Inspection 1. Product Inspection and Storage1.2 Strage －９－2. Overview Features－１０－６Ｆ８Ａ０８７０3.1 Appearance 3. Names of Parts3.1.1 Appearance of LF414/LF600F, LF414/LF610F Integral 1 Meter size of 1/2 inch 15mm－１２－ 2 Meter size of 1inch 25mm６Ｆ８Ａ０８７０ For the detail of the converter, check the LF600F－１３－ 3 Meter size of 1 1/2 to 4 inch 40 to 100mm６Ｆ８Ａ０８７０ For the detail of the converter, check the LF600F－１４－ 4 Meter size of 6 and 8 inch 150 and 200mm６Ｆ８Ａ０８７０ Terminal block cover－１５－ 3.1.2 Appearance of LF414/LF620F６Ｆ８Ａ０８７０ Integral 1 Meter size of 1/2 inch 15mm６Ｆ８Ａ０８７０－１６－2 Meter size of 1inch 25mm Figure 3.1.6 Appearance of LF414/LF620F Meter size 1 inch25mm６Ｆ８Ａ０８７０－１７－3 Meter size of 1 1/2 to 4 inch 40 to 100mm Figure 3.1.7 Appearance of LF414/LF620F６Ｆ８Ａ０８７０－１８－4 Meter size of 6 and 8 inch 150 and 200mm Figure 3.1.8 Appearance of LF414/LF620FSeparate 1 Meter size of 1/2 inch 15mm 3.1.3 Appearance of LF414－１９－ Signal cablefor Signal cable －２０－６Ｆ８Ａ０８７０ 2 Meter size of 1inch 25mmSignal cable －２１－６Ｆ８Ａ０８７０ 3 Meter size of 1 1/2 to 4 inch 40 to 100mm６Ｆ８Ａ０８７０－２２－4 Meter size of 6 and 8 inch 150 and 200mm Figure 3.1.12 Appearance of LF4143.2 Construction of the terminal blocks Signal cable terminal3.2.2 Terminal Block Construction of LF414 Type －２３－Safety Precautions for Installation 4. Installation－２４－ „ Use an appropriate device to carry and install4.2 Mounting Procedure 4.2.1 Pipe checks 4.1 Notes on Selecting the Installation Location－２５－ 2. Avoid places where excessive pipe vibration occursFigure 4.2 Example of Pipe Fixing Procedure －２６－Figure 4.3 Model Diagram of Unsupported Pipes ６Ｆ８Ａ０８７０－２７－ 4.2.2 Installation Procedure６Ｆ８Ａ０８７０ Figure 4.4 LF414 flowmeter detector piping connectionsTable 4.1 Bolt length and Nut tightening torque －２８－６Ｆ８Ａ０８７０ 1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology 1a Ideal Upstream Straight Pipe Length Installation Requirements4.3 Piping Connections ６Ｆ８Ａ０８７０－３０－ 2 Pipe OrientationFigure 4.6 Installation position of the detector ６Ｆ８Ａ０８７０4 Preventing an Empty Pipe Condition 3 Flow Direction－３１－６Ｆ８Ａ０８７０1 Grounding of the LF414/LF620F type 4.4 Grounding－３２－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０ 2 Grounding of the LF414 type－３３－ Safety Precautions for Wiring 5.Wiring－３４－６Ｆ８Ａ０８７０－３５－６Ｆ８Ａ０８７０„ Install a switch and fuse to isolate the „ Do not work on piping and wiring with wet5.1 Cables Notes on wiring－３６－ Table 5.1 Installation Cables5.3.2 Notes on Wiring of the Separate type LF414 5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring5.2 External Device Connections and Grounding －３７－1 Power cable, current output cable, digital I/O cables 5.4 Wiring 5.4.1 Terminal Treatment of CablesSeparate 2 Excitation cable －３８－Notes on signal cable shield processing work 3 Connecting the input signal cable－３９－ Figure 5.3 Terminal Treatment of Flow Rate Signal Cable－４０－ 5.4.2 Cable ConnectionFigure 5.5 Connecting a Cable to Terminal Block ６Ｆ８Ａ０８７０Preparatory check 6. Operation－４１－ „ Check the wiring between the converter and related instrumentsSafety precaution for Maintenance and Troubleshooting 7. Maintenance and Troubleshooting－４２－ „ Do not conduct wiring work when power is applied„ Cleaning 7.1 MaintenanceCheck/Replacement of the display unit materials7.2.1 Flow rate is not indicated 7.2 Troubleshooting－４４－ START Are power supplies correct NO for each device? YES－４５－ 7.2.2 Flow rate indicated is not correctPerform the zero adjustment Refer to combined converters manual Clean the inside of the detector pipe－４６－ 7.2.3 Flow rate indication is not stableIs power supply voltage Use a power supply within the specified range－４７－ 8. Principle of Operation６Ｆ８Ａ０８７０ Square-Wave Excitation Figure 8.1 Principle of Operation9.1Specifications 9. Specifications－４８－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０－４９－Electrical conductivity μS/cm Figure 9.1 Electrical Conductivity vs. Cable LengthTable 9.1 Standard Flow Range －５０－６Ｆ８Ａ０８７０ Table 9.2 Flow velocity vs. flow volume －５１－６Ｆ８Ａ０８７０ Unit gal/min－５２－ Table 9.3 Type Specification Code9.2 Type Specification Code ６Ｆ８Ａ０８７０－５３－ Table 9.4 Type Specification Code Exciting Cable and Signal Cable６Ｆ８Ａ０８７０ Exciting cable length Nominal cross-sectional area Overall diameter10.1 Outline dimensions of LF414/LF600F, LF414/LF610F 10. Outline Dimensions1 Meter size of 1/2 inch 15mm 2 Meter size of 1 inch 25mm６Ｆ８Ａ０８７０ 3 Meter size of 1 1/2 to 8 inch 40 to 200mm－５５－－５６－ 10.2 Outline dimensions of LF414/LF620F６Ｆ８Ａ０８７０ 1 Meter size of 1/2 inch 15mm3 Meter size of 1 1/2 to 8 inch 40 to 200mm －５７－６Ｆ８Ａ０８７０－５８－ 10.3 Outline dimensions of LF414６Ｆ８Ａ０８７０ 1 Meter size of 1/2 inch 15mm3 Meter size of 1 1/2 to 8 inch 40 to 200mm －５９－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０ Appendix 1-1 A system block diagram for LF414/LF600F, LF414/LF610F－６０－６Ｆ８Ａ０８７０ 1-2 A system block diagram for LF414/LF620F－６１－６Ｆ８Ａ０８７０ 2-1 A system block diagram for LF414－６２－６Ｆ８Ａ０８７０－６３－Distributor Address Name Phone number （FCF50017

Ground terminal

Figure 3.1.6 Appearance of LF414/LF620F

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