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Toshiba manual A system block diagram for LF414/LF620F, －６１－, ６Ｆ８Ａ０８７０

Models: LF414

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1-2 A system block diagram for LF414/LF620F

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Toshiba manual A system block diagram for LF414/LF620F, －６１－, ６Ｆ８Ａ０８７０

Contents

６Ｆ８Ａ０８７０ About Safety Precautions ６Ｆ８Ａ０８７０－１－ Integral type LF414/LF600F, LF414/LF610F, LF414/LF620FSafety symbols SAFETY PRECAUTIONSExplanation of signal words －２－６Ｆ８Ａ０８７０ SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring－３－ DON’TDON’T SAFETY PRECAUTIONS continuedSafety Precautions for Installation and Wiring －４－Usage limitation Safety Precautions for Maintenance and InspectionWarranty and Limitation of Liability －５－・Places where excessive vibration or mechanical shock occurs Handling Precautions－６－ 2 Wire cables correctly and securely６Ｆ８Ａ０８７０ Handling Precautions continued－７－６Ｆ８Ａ０８７０ Table of Contents－８－ 1.2 Strage 1. Product Inspection and Storage1.1 Product Inspection －９－－１０－ Features2. Overview ６Ｆ８Ａ０８７０3.1.1 Appearance of LF414/LF600F, LF414/LF610F 3. Names of Parts3.1 Appearance Integral 1 Meter size of 1/2 inch 15mm６Ｆ８Ａ０８７０ 2 Meter size of 1inch 25mm－１２－ For the detail of the converter, check the LF600F６Ｆ８Ａ０８７０ 3 Meter size of 1 1/2 to 4 inch 40 to 100mm－１３－ For the detail of the converter, check the LF600F６Ｆ８Ａ０８７０ 4 Meter size of 6 and 8 inch 150 and 200mm－１４－ Terminal block cover６Ｆ８Ａ０８７０ 3.1.2 Appearance of LF414/LF620F－１５－ Integral 1 Meter size of 1/2 inch 15mm2 Meter size of 1inch 25mm －１６－６Ｆ８Ａ０８７０ Figure 3.1.6 Appearance of LF414/LF620F Meter size 1 inch25mm3 Meter size of 1 1/2 to 4 inch 40 to 100mm －１７－６Ｆ８Ａ０８７０ Figure 3.1.7 Appearance of LF414/LF620F4 Meter size of 6 and 8 inch 150 and 200mm －１８－６Ｆ８Ａ０８７０ Figure 3.1.8 Appearance of LF414/LF620F－１９－ 3.1.3 Appearance of LF414Separate 1 Meter size of 1/2 inch 15mm Signal cable６Ｆ８Ａ０８７０－２０－for Signal cable 2 Meter size of 1inch 25mm６Ｆ８Ａ０８７０－２１－Signal cable 3 Meter size of 1 1/2 to 4 inch 40 to 100mm4 Meter size of 6 and 8 inch 150 and 200mm －２２－６Ｆ８Ａ０８７０ Figure 3.1.12 Appearance of LF4143.2.2 Terminal Block Construction of LF414 Type Signal cable terminal3.2 Construction of the terminal blocks －２３－－２４－ 4. InstallationSafety Precautions for Installation „ Use an appropriate device to carry and install－２５－ 4.1 Notes on Selecting the Installation Location4.2 Mounting Procedure 4.2.1 Pipe checks 2. Avoid places where excessive pipe vibration occursFigure 4.3 Model Diagram of Unsupported Pipes －２６－Figure 4.2 Example of Pipe Fixing Procedure ６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０ 4.2.2 Installation Procedure－２７－ Figure 4.4 LF414 flowmeter detector piping connectionsTable 4.1 Bolt length and Nut tightening torque －２８－６Ｆ８Ａ０８７０ 4.3 Piping Connections 1a Ideal Upstream Straight Pipe Length Installation Requirements1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology ６Ｆ８Ａ０８７０Figure 4.6 Installation position of the detector 2 Pipe Orientation－３０－６Ｆ８Ａ０８７０－３１－ 3 Flow Direction4 Preventing an Empty Pipe Condition ６Ｆ８Ａ０８７０－３２－ 4.4 Grounding1 Grounding of the LF414/LF620F type ６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０ 2 Grounding of the LF414 type－３３－－３４－ 5.WiringSafety Precautions for Wiring ６Ｆ８Ａ０８７０„ Install a switch and fuse to isolate the ６Ｆ８Ａ０８７０－３５－ „ Do not work on piping and wiring with wet－３６－ Notes on wiring5.1 Cables Table 5.1 Installation Cables5.2 External Device Connections and Grounding 5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring5.3.2 Notes on Wiring of the Separate type LF414 －３７－Separate 2 Excitation cable 5.4 Wiring 5.4.1 Terminal Treatment of Cables1 Power cable, current output cable, digital I/O cables －３８－－３９－ 3 Connecting the input signal cableNotes on signal cable shield processing work Figure 5.3 Terminal Treatment of Flow Rate Signal CableFigure 5.5 Connecting a Cable to Terminal Block 5.4.2 Cable Connection－４０－６Ｆ８Ａ０８７０－４１－ 6. OperationPreparatory check „ Check the wiring between the converter and related instruments－４２－ 7. Maintenance and TroubleshootingSafety precaution for Maintenance and Troubleshooting „ Do not conduct wiring work when power is appliedCheck/Replacement of the display unit 7.1 Maintenance„ Cleaning materials－４４－ 7.2 Troubleshooting7.2.1 Flow rate is not indicated START Are power supplies correct NO for each device? YESPerform the zero adjustment Refer to combined converters manual 7.2.2 Flow rate indicated is not correct－４５－ Clean the inside of the detector pipeIs power supply voltage 7.2.3 Flow rate indication is not stable－４６－ Use a power supply within the specified range６Ｆ８Ａ０８７０ 8. Principle of Operation－４７－ Square-Wave Excitation Figure 8.1 Principle of Operation－４８－ 9. Specifications9.1Specifications Fluid temperatureElectrical conductivity μS/cm －４９－６Ｆ８Ａ０８７０ Figure 9.1 Electrical Conductivity vs. Cable LengthTable 9.1 Standard Flow Range －５０－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０－５１－Table 9.2 Flow velocity vs. flow volume Unit gal/min9.2 Type Specification Code Table 9.3 Type Specification Code－５２－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０ Table 9.4 Type Specification Code Exciting Cable and Signal Cable－５３－ Exciting cable length Nominal cross-sectional area Overall diameter1 Meter size of 1/2 inch 15mm 10. Outline Dimensions10.1 Outline dimensions of LF414/LF600F, LF414/LF610F 2 Meter size of 1 inch 25mm６Ｆ８Ａ０８７０ 3 Meter size of 1 1/2 to 8 inch 40 to 200mm－５５－６Ｆ８Ａ０８７０ 10.2 Outline dimensions of LF414/LF620F－５６－ 1 Meter size of 1/2 inch 15mm3 Meter size of 1 1/2 to 8 inch 40 to 200mm －５７－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０ 10.3 Outline dimensions of LF414－５８－ 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－ Distributor Address Name －６３－６Ｆ８Ａ０８７０ Phone number （FCF50017

1-2 A system block diagram for LF414/LF620F

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