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Toshiba Construction of the terminal blocks, Terminal Block Construction of LF414 Type, －２３－

Models: LF414

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3.2 Construction of the terminal blocks

3.2.1 Terminal Block Construction of LF414/LF600F, LF414/LF610F and LF414/LF620F Type

Integral

For details of the converter, check the LF600F, LF610F and LF620F converter's instruction manual.

3.2.2 Terminal Block Construction of LF414 Type

Separate

Signal cable terminal

Excitation cable terminal

Figure 3.2 Terminal Block of LF414

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Toshiba Construction of the terminal blocks, Terminal Block Construction of LF414 Type, Signal cable terminal, －２３－

Contents

６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０－１－About Safety Precautions Integral type LF414/LF600F, LF414/LF610F, LF414/LF620FSAFETY PRECAUTIONS Explanation of signal wordsSafety symbols －２－SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring －３－６Ｆ８Ａ０８７０ DON’TSAFETY PRECAUTIONS continued Safety Precautions for Installation and WiringDON’T －４－Safety Precautions for Maintenance and Inspection Warranty and Limitation of LiabilityUsage limitation －５－Handling Precautions －６－・Places where excessive vibration or mechanical shock occurs 2 Wire cables correctly and securelyHandling Precautions continued －７－６Ｆ８Ａ０８７０ Table of Contents －８－６Ｆ８Ａ０８７０ 1. Product Inspection and Storage 1.1 Product Inspection1.2 Strage －９－Features 2. Overview－１０－６Ｆ８Ａ０８７０3. Names of Parts 3.1 Appearance3.1.1 Appearance of LF414/LF600F, LF414/LF610F Integral 1 Meter size of 1/2 inch 15mm2 Meter size of 1inch 25mm －１２－６Ｆ８Ａ０８７０ For the detail of the converter, check the LF600F3 Meter size of 1 1/2 to 4 inch 40 to 100mm －１３－６Ｆ８Ａ０８７０ For the detail of the converter, check the LF600F4 Meter size of 6 and 8 inch 150 and 200mm －１４－６Ｆ８Ａ０８７０ Terminal block cover3.1.2 Appearance of LF414/LF620F －１５－６Ｆ８Ａ０８７０ Integral 1 Meter size of 1/2 inch 15mm－１６－６Ｆ８Ａ０８７０2 Meter size of 1inch 25mm Figure 3.1.6 Appearance of LF414/LF620F Meter size 1 inch25mm－１７－６Ｆ８Ａ０８７０3 Meter size of 1 1/2 to 4 inch 40 to 100mm Figure 3.1.7 Appearance of LF414/LF620F－１８－６Ｆ８Ａ０８７０4 Meter size of 6 and 8 inch 150 and 200mm Figure 3.1.8 Appearance of LF414/LF620F3.1.3 Appearance of LF414 Separate 1 Meter size of 1/2 inch 15mm－１９－ Signal cable－２０－ for Signal cable６Ｆ８Ａ０８７０ 2 Meter size of 1inch 25mm－２１－ Signal cable６Ｆ８Ａ０８７０ 3 Meter size of 1 1/2 to 4 inch 40 to 100mm－２２－６Ｆ８Ａ０８７０4 Meter size of 6 and 8 inch 150 and 200mm Figure 3.1.12 Appearance of LF414Signal cable terminal 3.2 Construction of the terminal blocks3.2.2 Terminal Block Construction of LF414 Type －２３－4. Installation Safety Precautions for Installation－２４－ „ Use an appropriate device to carry and install4.1 Notes on Selecting the Installation Location 4.2 Mounting Procedure 4.2.1 Pipe checks－２５－ 2. Avoid places where excessive pipe vibration occurs－２６－ Figure 4.2 Example of Pipe Fixing ProcedureFigure 4.3 Model Diagram of Unsupported Pipes ６Ｆ８Ａ０８７０4.2.2 Installation Procedure －２７－６Ｆ８Ａ０８７０ Figure 4.4 LF414 flowmeter detector piping connections－２８－６Ｆ８Ａ０８７０Table 4.1 Bolt length and Nut tightening torque 1a Ideal Upstream Straight Pipe Length Installation Requirements 1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology4.3 Piping Connections ６Ｆ８Ａ０８７０2 Pipe Orientation －３０－Figure 4.6 Installation position of the detector ６Ｆ８Ａ０８７０3 Flow Direction 4 Preventing an Empty Pipe Condition－３１－６Ｆ８Ａ０８７０4.4 Grounding 1 Grounding of the LF414/LF620F type－３２－６Ｆ８Ａ０８７０2 Grounding of the LF414 type －３３－６Ｆ８Ａ０８７０ 5.Wiring Safety Precautions for Wiring－３４－６Ｆ８Ａ０８７０６Ｆ８Ａ０８７０－３５－„ Install a switch and fuse to isolate the „ Do not work on piping and wiring with wetNotes on wiring 5.1 Cables－３６－ Table 5.1 Installation Cables5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring 5.3.2 Notes on Wiring of the Separate type LF4145.2 External Device Connections and Grounding －３７－5.4 Wiring 5.4.1 Terminal Treatment of Cables 1 Power cable, current output cable, digital I/O cablesSeparate 2 Excitation cable －３８－3 Connecting the input signal cable Notes on signal cable shield processing work－３９－ Figure 5.3 Terminal Treatment of Flow Rate Signal Cable5.4.2 Cable Connection －４０－Figure 5.5 Connecting a Cable to Terminal Block ６Ｆ８Ａ０８７０6. Operation Preparatory check－４１－ „ Check the wiring between the converter and related instruments7. Maintenance and Troubleshooting Safety precaution for Maintenance and Troubleshooting－４２－ „ Do not conduct wiring work when power is applied7.1 Maintenance „ CleaningCheck/Replacement of the display unit materials7.2 Troubleshooting 7.2.1 Flow rate is not indicated－４４－ START Are power supplies correct NO for each device? YES7.2.2 Flow rate indicated is not correct －４５－Perform the zero adjustment Refer to combined converters manual Clean the inside of the detector pipe7.2.3 Flow rate indication is not stable －４６－Is power supply voltage Use a power supply within the specified range8. Principle of Operation －４７－６Ｆ８Ａ０８７０ Square-Wave Excitation Figure 8.1 Principle of Operation9. Specifications 9.1Specifications－４８－ Fluid temperature－４９－６Ｆ８Ａ０８７０Electrical conductivity μS/cm Figure 9.1 Electrical Conductivity vs. Cable Length－５０－６Ｆ８Ａ０８７０Table 9.1 Standard Flow Range －５１－ Table 9.2 Flow velocity vs. flow volume６Ｆ８Ａ０８７０ Unit gal/minTable 9.3 Type Specification Code －５２－9.2 Type Specification Code ６Ｆ８Ａ０８７０Table 9.4 Type Specification Code Exciting Cable and Signal Cable －５３－６Ｆ８Ａ０８７０ Exciting cable length Nominal cross-sectional area Overall diameter10. Outline Dimensions 10.1 Outline dimensions of LF414/LF600F, LF414/LF610F1 Meter size of 1/2 inch 15mm 2 Meter size of 1 inch 25mm3 Meter size of 1 1/2 to 8 inch 40 to 200mm －５５－６Ｆ８Ａ０８７０ 10.2 Outline dimensions of LF414/LF620F －５６－６Ｆ８Ａ０８７０ 1 Meter size of 1/2 inch 15mm－５７－６Ｆ８Ａ０８７０3 Meter size of 1 1/2 to 8 inch 40 to 200mm 10.3 Outline dimensions of LF414 －５８－６Ｆ８Ａ０８７０ 1 Meter size of 1/2 inch 15mm－５９－６Ｆ８Ａ０８７０3 Meter size of 1 1/2 to 8 inch 40 to 200mm 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 －６２－６Ｆ８Ａ０８７０－６３－６Ｆ８Ａ０８７０Distributor Address Name Phone number （FCF50017

3.2 Construction of the terminal blocks

3.2.2 Terminal Block Construction of LF414 Type

Signal cable terminal

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