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电磁流量计转换器(LF620型和LF622型)Transducer.pdf
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电磁流量计转换器(LF620型和LF622型)Transducer.pdf
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6 F 8 A 0 9 2 7
Electromagnetic Flowmeter Converter
LF620 Type, LF622 Type
INSTRUCTION MANUAL
NOTES
Before using the equipment, please read this manual carefully and understand the
contents, and then use the equipment correctly.
NEVER attempt to operate the equipment in any ways that are not described in this
instruction manual.
After reading this manual, store it with care in a place where it can be referr ed to
whenever needed.
Please be sure that this manual is delivered to the personnel who will use this
pr oduct.
1
6 F 8 A 0 9 2 7
NOTICE
W e thank you very much for your purchase of our LF62 series electromagnetic flowmeter
converter.
I ntegral type converter L F620
Separate type converter LF622
This instruction manual describes the notes on using an electromagnetic flowmeter
converter, installation, configuration and maintenance. It is intended for the personnel in
charge of installation, operation and maintenance.
To use this product properly and safely, read this manual carefully before using this product.
After reading this manual, store it in a place where it can be referred to
whenever needed.
About a PROFIBUS or M odbus communication function, please read each instruction
manual.
This manual uses the following markers to identify the integral type or separate type when it
describes items specific to the integrated type or separate type. Items without this marker are
common items to the integral type and separate type.
Integral type converter LF620:
Separate type converter LF622:
Toshiba LF62
series electromagnetic flowmeter converters can be used in combination with
various types of electromagnetic flowmeter detectors.
For the notes on usage, piping, installation, configur ation and maintenance of the
combined detector, check the model number of the combined detector and read the
instruction manual of the r elevant detector.
About Safety Precautions
Read the Safety Precautions described at the front carefully and understand the contents
before using this product.
Safely symbols
in the margin to the left of the corresponding commentary in the main text.
NOTES
1. The reproduction of the contents of this M anual in any form, whether wholly or in
part, is not permitted without explicit prior consent and approval.
2. The information contained in this M anual is subject to change or r eview without
pr ior notice.
3. Be sure to follow all safety, operating and handling precautions descr ibed in this
M anual and the regulations in for ce in the country in which this product is to be
used.
First Edition July, 2009
2
6 F 8 A 0 9 2 7
SAFETY PRECAUTIONS
Safety signs and labels affixed to the product and/or described in this manual give important information
for using the product safely. They help prevent damage to property and obviate hazards for
persons using the product.
M ake yourself familiar with signal words and symbols used for safety signs and labels. Then read the
safety precautions that follow to prevent an accident involving personal injury, death or damage to
property.
Explanation of signal words
The signal word or words are used to designate a degree or level of hazard seriousness.
The signal words used for the product described in this manual are WARNING and CAUTION.
WARNING
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in minor to moder ate inj uries or in property
damage.
Notes:
an injury such as loss of sight, physical damage, burns (high
tem perature or low temperatur e) electric shock, bone fracture and poisoning and the after
effect of the inj ury remains or the inj ur y requires hospitalization or long periods of
outpatient treatment.
burns, electric shock s, and so on, that do not requir e
the injured person to be hospitalized or go to a hospital for a long period of time for
medical treatment all kinds of dam age to property, equipment
or materials.
Safety symbols
The following symbols are used in safety signs and labels affixed to a product and/or in the manual for
giving safety instructions.
Indicates an action that is prohibited. Simply DON’T do this action.
The prohibited action is indicated by a picture or text inside or next to the circle
Indicates an action that is mandatory. DO this action.
The mandatory action is indicated by a picture or text inside or next to the circle.
Indicates a potential hazard. The potentially hazardous situation is
indicated by a picture or text inside or next to the triangle.
Color explanation
WARNING
Background color: Y ellow and Red, Border: Black, Picture display: Black
CAUTION
Background color: Y ellow, Border: Black, Picture display: Black
3
6 F 8 A 0 9 2 7
SAFETY PRECAUTIONS (continued)
Safety Precautions for Installation and Wiring
CAUTION
Do not use the LF620 and LF622 in an
explosive atmosphere.
Use an appropriate device to carry and install the
LF620 and LF622.
DON’T
Using this product in an
explosive atmosphere can
cause explosion.
DO
If this product falls to the ground,
injury, or malfunction of or damage to
the product, can be caused.
I nstall a switch and fuse to isolate the LF620
and LF622 from mains power.
Do not modify or disassemble the LF620 and
LF622 unnecessarily.
DO
Power supply from mains
power can cause electr ic
shock or circuit
br eak-down.
DON’T
M odifying or disassembling this
product can cause
electr ic shock,
malfunction of or dam age to this
pr oduct.
Turn off m ains power before conducting
wiring work.
Ground the LF620 and LF622 independently from
power equipment. (100 ohm or less ground
resistance)
DO
W iring while power is
applied can cause electric
shock.
DO
Operating this product
without grounding can cause
electr ic shock or malfunction.
Turn off m ains power before working on
pipes.
Use crimped term inal lugs for the terminal board
and GND terminal.
DO
W orking on pipes while
power is applied can cause
electr ic shock .
DO
Loose connections can cause
electr ic shock, fire from excessive
current or system malfunction.
Do not conduct wiring work with bare hands. Do not work on piping and wiring with wet hands.
DON’T
Rem aining electric
charge even if power is
turned off can still cause
electr ic shock .
DON’T
W et hands may result in electr ic
shock.
The label shown left is placed near the terminal board for power supply
on the converter.
Be alert to electric shock .
4
6 F 8 A 0 9 2 7
SAFETY PRECAUTIONS (continued)
Safety Precautions for Maintenance and Inspection
CAUTION
Do not touch the LF620 main body
when high temperature fluid is
being measured.
Do not conduct wiring work when power is
applied.
DON’T
The fluid raises the main
body temperature and can
cause burns when touched.
DON’T
W iring while power is applied can
cause electric shock.
Do not conduct wiring work with wet
hands.
DON’T
W et hands may result in
electr ic shock .
The label shown left is placed near
the terminal board for power input.
(A black border and symbol on
yellow triangle)
Be alert to electric shock .
Do not use a fuse other than the one
specified.
DON’T
Using a fuse other than the
one specified can cause
system failure, damage or
malfunction.
Use a rated fuse as follows:
Fuse rating:
Dimensions:
M elting time characteristic:
Usage limitation
(1) This product is not m anufactur ed for applying to a system requiring safety directly involved
human life as follows. Please contact your nearest Toshiba reprehensive if there is a possibility of
using this product for such use.
- M ain control systems of nuclear power plants, safety protection systems in nuclear
facilities or other im por tant systems requiring safety
- M edical control systems r elating to life support
(2) This product is not approved for explosion-proof applications. Please do not use this product in
an explosive atmosphere (explosion protection ar ea).
Warranty and Limitation of Liability
Toshiba does not accept liability for any damage or loss, material or personal, caused as a direct or indirect
result of the operation of this product in connection with, or due to, the occurrence of any event of force
majeure (including fire or earthquake) or the misuse of this product, whether
intentional or accidental.
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