Toshiba LF414 manual Table of Contents, － ８ －, ６Ｆ８Ａ０８７０

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Table of Contents

６Ｆ８Ａ０８７０

Table of Contents

SAFETY PRECAUTIONS ····················································································· 2 Handling Precautions ······························································································ 6

1.Product Inspection and Storage ······································································ 9 1.1 Product Inspection ······················································································· 9

1.2 Storage ········································································································ 9

2.Overview ·········································································································· 10

3.Names of Parts ································································································· 11

4.Installation ······································································································· 24

4.1

Notes on Selecting the Installation Location ············································· 25

4.2

Mounting Procedure···················································································· 25

4.3

Piping Connections ··················································································· 29

4.4

Grounding ································································································· 32

5.Wiring ·············································································································· 34

5.1Cables ········································································································ 36

5.2External Device Connections and Grounding ············································ 37

5.3

Notes on Wiring ······················································································ 37

5.4

Wiring ····································································································· 38

6.Operation ········································································································· 41

7.Maintenance and Troubleshooting ································································ 42

7.1

Maintenance ······························································································ 43

7.2

Troubleshooting ························································································ 44

8.Principle of Operation ··················································································· 47

9.Specifications ·································································································· 48

9.1

Flowmeter Specifications

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9.2

Type Specification Code

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10.Outline Dimensions ························································································· 54 Appendix 1 (A system block diagram) ································································· 60

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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 WiringDON’T „ Do not modify or disassemble the enclosureSafety 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 securely－ ７ － Handling Precautions continued－ ８ － Table of Contents1.1 Product Inspection 1. Product Inspection and Storage1.2 Strage － ９ －2. Overview Features－ １０ － 5 Intelligent functions3.1 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 25mmFigure 3.1.2 Appearance of LF414/LF600F, LF610F Meter size 1 inch25mm Ground terminal for converter－ １３ － 3 Meter size of 1 1/2 to 4 inch 40 to 100mmFigure 3.1.3 Appearance of LF414/LF600F, LF610F Meter size 1 1/2 to 4 inch 40 to 100mm－ １４ － 4 Meter size of 6 and 8 inch 150 and 200mmLifting Lugs provided－ １５ － 3.1.2 Appearance of LF414/LF620FFigure 3.1.5 Appearance of LF414/LF620F Meter size 1/2inch15mm Ground terminal for converter Flow direction arrow Detector－ １６ － Figure 3.1.6 Appearance of LF414/LF620F Meter size 1 inch25mmGround terminal for converter Flow direction arrow Figure 3.1.7 Appearance of LF414/LF620F － １７ －Figure 3.1.8 Appearance of LF414/LF620F － １８ －Meter size 6 and 8 inch 150 and 200mm Ground terminal for converter Lifting LugsSeparate 1 Meter size of 1/2 inch 15mm 3.1.3 Appearance of LF414－ １９ － Signal cablefor Signal cable － ２０ －Figure 3.1.10 Appearance of LF414 Meter size 1 inch25mm for Excitation cableSignal cable － ２１ －Figure 3.1.11 Appearance of LF414 Excitation cable－ ２２ － Figure 3.1.12 Appearance of LF414Meter size 6 and 8 inch150 and 200mm 3.2 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 occurs－ ２６ － Figure 4.2 Example of Pipe Fixing ProcedureFigure 4.3 Model Diagram of Unsupported Pipes 4.2.2 Installation Procedure － ２７ －Figure 4.4 LF414 flowmeter detector piping connections Table 4.1 Bolt length and Nut tightening torque － ２８ －1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology 1a Ideal Upstream Straight Pipe Length Installation Requirements4.3 Piping Connections L=5D－ ３０ － 2 Pipe OrientationFigure 4.6 Installation position of the detector Figure 4.5 Detector Piping Orientation4 Preventing an Empty Pipe Condition 3 Flow Direction－ ３１ － Figure 4.7 Flow direction arrow on the detector1 Grounding of the LF414/LF620F type 4.4 Grounding－ ３２ － Figure 4.10 Grounding the LF414/LF620F Type－ ３３ － 2 Grounding of the LF414 type5.Wiring Safety Precautions for Wiring－ ３４ － － ３５ － ６Ｆ８Ａ０８７０„ Install a switch and fuse to isolate the independently from power equipment. 100 ohm5.1 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 Cable5.4.2 Cable Connection － ４０ －Figure 5.5 Connecting a Cable to Terminal Block Preparatory 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 range8. Principle of Operation － ４７ －Square-Wave Excitation Figure 8.1 Principle of Operation 9.1Specifications 9. Specifications－ ４８ － Measurement range in terms of flow velocity－ ４９ － Electrical conductivity μS/cmFigure 9.1 Electrical Conductivity vs. Cable Length Table 9.1 Standard Flow Range － ５０ －Table 9.2 Flow velocity vs. flow volume － ５１ －Unit gal/min Unit m3/hTable 9.3 Type Specification Code － ５２ －9.2 Type Specification Code Table 9.4 Type Specification Code Exciting Cable and Signal Cable － ５３ －Exciting cable length Nominal cross-sectional area Overall diameter 10.1 Outline dimensions of LF414/LF600F, LF414/LF610F 10. Outline Dimensions1 Meter size of 1/2 inch 15mm 2 Meter size of 1 inch 25mm－ ５５ － 3 Meter size of 1 1/2 to 8 inch 40 to 200mm10.2 Outline dimensions of LF414/LF620F － ５６ －Waight approx 9 lb 4kg － ５７ － 10.3 Outline dimensions of LF414 － ５８ －Waight approx 7 lb 3kg － ５９ － － ６０ － Appendix 1-1 A system block diagram for LF414/LF600F, LF414/LF610F－ ６１ － 1-2 A system block diagram for LF414/LF620F－ ６２ － 2-1 A system block diagram for LF414Distributor Address Name － ６３ －Phone number （ Product codeFCF50017
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