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Metal Detector
Toshiba
LF414
manual
FCF50017
Models:
LF414
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Troubleshooting
Specifications
Install
Explanation of signal words
Wiring
Dimension
Maintenance
Zero Adjustment
About Safety Precautions
Turn off mains power before
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FCF50017
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Contents
6F8A0870
- 1 -
6F8A0870
About Safety Precautions
Integral type LF414/LF600F, LF414/LF610F, LF414/LF620F
Explanation of signal words
SAFETY PRECAUTIONS
Safety symbols
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SAFETY PRECAUTIONS Safety Precautions for Installation and Wiring
DON’T
Do not modify or disassemble the enclosure
Safety Precautions for Installation and Wiring
SAFETY PRECAUTIONS continued
DON’T
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Warranty and Limitation of Liability
Safety Precautions for Maintenance and Inspection
Usage limitation
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Handling Precautions
・Places where excessive vibration or mechanical shock occurs
2 Wire cables correctly and securely
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Handling Precautions continued
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Table of Contents
1.1 Product Inspection
1. Product Inspection and Storage
1.2 Strage
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2. Overview
Features
- 10 -
5 Intelligent functions
3.1 Appearance
3. Names of Parts
3.1.1 Appearance of LF414/LF600F, LF414/LF610F
Integral 1 Meter size of 1/2 inch 15mm
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2 Meter size of 1inch 25mm
Figure 3.1.2 Appearance of LF414/LF600F, LF610F Meter size 1 inch25mm
Ground terminal for converter
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3 Meter size of 1 1/2 to 4 inch 40 to 100mm
Figure 3.1.3 Appearance of LF414/LF600F, LF610F
Meter size 1 1/2 to 4 inch 40 to 100mm
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4 Meter size of 6 and 8 inch 150 and 200mm
Lifting Lugs
provided
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3.1.2 Appearance of LF414/LF620F
Figure 3.1.5 Appearance of LF414/LF620F Meter size 1/2inch15mm
Ground terminal for converter Flow direction arrow Detector
Ground terminal for converter Flow direction arrow
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Figure 3.1.6 Appearance of LF414/LF620F Meter size 1 inch25mm
Figure 3.1.7 Appearance of LF414/LF620F
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Figure 3.1.8 Appearance of LF414/LF620F
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Meter size 6 and 8 inch 150 and 200mm
Ground terminal for converter Lifting Lugs
Separate 1 Meter size of 1/2 inch 15mm
3.1.3 Appearance of LF414
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Signal cable
for Signal cable
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Figure 3.1.10 Appearance of LF414 Meter size 1 inch25mm
for Excitation cable
Signal cable
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Figure 3.1.11 Appearance of LF414
Excitation cable
Meter size 6 and 8 inch150 and 200mm
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Figure 3.1.12 Appearance of LF414
3.2 Construction of the terminal blocks
Signal cable terminal
3.2.2 Terminal Block Construction of LF414 Type
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Safety Precautions for Installation
4. Installation
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Use an appropriate device to carry and install
4.2 Mounting Procedure 4.2.1 Pipe checks
4.1 Notes on Selecting the Installation Location
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2. Avoid places where excessive pipe vibration occurs
Figure 4.3 Model Diagram of Unsupported Pipes
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Figure 4.2 Example of Pipe Fixing Procedure
Figure 4.4 LF414 flowmeter detector piping connections
4.2.2 Installation Procedure
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Table 4.1 Bolt length and Nut tightening torque
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1b Optional “Mount Anywhere” Installation Mount-Anywhere Technology
1a Ideal Upstream Straight Pipe Length Installation Requirements
4.3 Piping Connections
L=5D
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2 Pipe Orientation
Figure 4.6 Installation position of the detector
Figure 4.5 Detector Piping Orientation
4 Preventing an Empty Pipe Condition
3 Flow Direction
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Figure 4.7 Flow direction arrow on the detector
1 Grounding of the LF414/LF620F type
4.4 Grounding
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Figure 4.10 Grounding the LF414/LF620F Type
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2 Grounding of the LF414 type
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5.Wiring
Safety Precautions for Wiring
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6F8A0870
Install a switch and fuse to isolate the
independently from power equipment. 100 ohm
5.1 Cables
Notes on wiring
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Table 5.1 Installation Cables
5.3.2 Notes on Wiring of the Separate type LF414
5.3 Notes on Wiring 5.3.1 Notes on Instrumentation-Converter Wiring
5.2 External Device Connections and Grounding
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1 Power cable, current output cable, digital I/O cables
5.4 Wiring 5.4.1 Terminal Treatment of Cables
Separate 2 Excitation cable
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Notes on signal cable shield processing work
3 Connecting the input signal cable
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Figure 5.3 Terminal Treatment of Flow Rate Signal Cable
Figure 5.5 Connecting a Cable to Terminal Block
5.4.2 Cable Connection
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Preparatory check
6. Operation
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Check the wiring between the converter and related instruments
Safety precaution for Maintenance and Troubleshooting
7. Maintenance and Troubleshooting
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Do not conduct wiring work when power is applied
Cleaning
7.1 Maintenance
Check/Replacement of the display unit
materials
7.2.1 Flow rate is not indicated
7.2 Troubleshooting
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START Are power supplies correct NO for each device? YES
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7.2.2 Flow rate indicated is not correct
Perform the zero adjustment Refer to combined converters manual
Clean the inside of the detector pipe
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7.2.3 Flow rate indication is not stable
Is power supply voltage
Use a power supply within the specified range
Square-Wave Excitation Figure 8.1 Principle of Operation
8. Principle of Operation
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9.1Specifications
9. Specifications
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Measurement range in terms of flow velocity
Figure 9.1 Electrical Conductivity vs. Cable Length
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Electrical conductivity μS/cm
Table 9.1 Standard Flow Range
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Table 9.2 Flow velocity vs. flow volume
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Unit gal/min
Unit m3/h
9.2 Type Specification Code
Table 9.3 Type Specification Code
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Exciting cable length Nominal cross-sectional area Overall diameter
Table 9.4 Type Specification Code Exciting Cable and Signal Cable
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10.1 Outline dimensions of LF414/LF600F, LF414/LF610F
10. Outline Dimensions
1 Meter size of 1/2 inch 15mm
2 Meter size of 1 inch 25mm
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3 Meter size of 1 1/2 to 8 inch 40 to 200mm
Waight approx 9 lb 4kg
10.2 Outline dimensions of LF414/LF620F
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Waight approx 7 lb 3kg
10.3 Outline dimensions of LF414
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Appendix 1-1 A system block diagram for LF414/LF600F, LF414/LF610F
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1-2 A system block diagram for LF414/LF620F
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2-1 A system block diagram for LF414
Distributor Address Name
- 63 -
Phone number (
Product code
FCF50017
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