Toshiba LF414 6F8A0870, - 35 -, Don’T, „ Install a switch and fuse to isolate the, electric shock

Page 36
6F8A0870

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6F8A0870

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

 

 

 

 

 

„ Install a switch and fuse to isolate the

„ Turn off mains power before conducting wiring

 

 

 

 

 

 

LF414/LF600F, LF414/LF610F,

work.

 

 

 

 

 

 

LF414/LF620F and LF414 from mains power.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power supply from mains power can

Wiring while power is applied can cause

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cause electric shock or circuit

electric shock.

 

 

 

 

 

 

DO

 

 

 

break-down.

DO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Do not work on piping and wiring with wet

„ Ground the LF600F, LF610 and LF620

 

 

 

 

 

 

hands.

 

 

 

 

 

 

 

 

independently from power equipment. (100 ohm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

or less ground resistance)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wet hands may result in electric

Operating this product without grounding

 

 

 

DON’T

 

 

 

shock

can cause electric shock or malfunction.

 

 

 

 

 

 

 

 

 

 

 

DO

„Do not conduct wiring work with bare hands. „ For the power supply wiring and grounding wiring,

 

Remaining electric charge even if

use crimping terminals with insulated sleeve.

 

 

There is a risk of electric shock due to

 

power is turned off can still cause

 

drop-off or loosing, and a risk of fire and

DON’T

electric shock.

DO

equipment trouble due to heat generation.

 

 

 

Do not modify or disassemble the LF600F,

 

 

 

LF610F, LF620F, LF602F, LF612F and

 

 

The label shown left is placed near the

LF622F unnecessarily.

 

 

 

 

power supply terminal on the

 

Modifying or disassembling this

 

 

converter.

 

product can cause electric shock,

 

 

Be alert to electric shock.

DON’T

malfunction of or damage to this

 

 

 

product.

 

 

 

Flowmeter accuracy may be affected by the way wiring is executed. Proceed with correct wiring taking the precautions in following pages.

- 35 -

Image 36
Contents 6F8A0870 6F8A0870 - 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 -DON’T „ Do not modify or disassemble the enclosureSAFETY 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 -Table of Contents - 8 -1. Product Inspection and Storage 1.1 Product Inspection1.2 Strage - 9 -Features 2. Overview- 10 - 5 Intelligent functions3. 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 -Figure 3.1.2 Appearance of LF414/LF600F, LF610F Meter size 1 inch25mm Ground terminal for converter3 Meter size of 1 1/2 to 4 inch 40 to 100mm - 13 -Figure 3.1.3 Appearance of LF414/LF600F, LF610F Meter size 1 1/2 to 4 inch 40 to 100mm4 Meter size of 6 and 8 inch 150 and 200mm - 14 -Lifting Lugs provided3.1.2 Appearance of LF414/LF620F - 15 -Figure 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 - 17 - Figure 3.1.7 Appearance of LF414/LF620F- 18 - Figure 3.1.8 Appearance of LF414/LF620FMeter size 6 and 8 inch 150 and 200mm Ground terminal for converter Lifting Lugs3.1.3 Appearance of LF414 Separate 1 Meter size of 1/2 inch 15mm- 19 - Signal cable- 20 - for Signal cableFigure 3.1.10 Appearance of LF414 Meter size 1 inch25mm for Excitation cable- 21 - Signal cableFigure 3.1.11 Appearance of LF414 Excitation cable- 22 - Figure 3.1.12 Appearance of LF414Meter size 6 and 8 inch150 and 200mm Signal 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 4.2.2 Installation Procedure - 27 -Figure 4.4 LF414 flowmeter detector piping connections - 28 - Table 4.1 Bolt length and Nut tightening torque1a Ideal Upstream Straight Pipe Length Installation Requirements 1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology4.3 Piping Connections L=5D2 Pipe Orientation - 30 -Figure 4.6 Installation position of the detector Figure 4.5 Detector Piping Orientation3 Flow Direction 4 Preventing an Empty Pipe Condition- 31 - Figure 4.7 Flow direction arrow on the detector4.4 Grounding 1 Grounding of the LF414/LF620F type- 32 - Figure 4.10 Grounding the LF414/LF620F Type2 Grounding of the LF414 type - 33 -5.Wiring Safety Precautions for Wiring- 34 - 6F8A0870 - 35 -„ Install a switch and fuse to isolate the independently from power equipment. 100 ohmNotes 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 6. 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 -Square-Wave Excitation Figure 8.1 Principle of Operation 9. Specifications 9.1Specifications- 48 - Measurement range in terms of flow velocity- 49 - Electrical conductivity μS/cmFigure 9.1 Electrical Conductivity vs. Cable Length - 50 - Table 9.1 Standard Flow Range- 51 - Table 9.2 Flow velocity vs. flow volumeUnit 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. 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 -10.2 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 - Appendix 1-1 A system block diagram for LF414/LF600F, LF414/LF610F - 60 -1-2 A system block diagram for LF414/LF620F - 61 -2-1 A system block diagram for LF414 - 62 -- 63 - Distributor Address NamePhone number ( Product codeFCF50017