Yokogawa RAGN User Manual

User´s

Model RAGN

Manual

IM 01R01B10-00E-E

Glass ROTAMETER

Rota Yokogawa GmbH & Co. KG Rheinstr. 8 D-79664 Wehr Germany

IM 01R01B10-00E-E

2nd edition: November 2011 (Rü)

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Contents

1. Introduction ......................................................................................... 1-1

1.1 ATEX Documentation ......................................................................................1-3

1.2 General description .........................................................................................1-4

1.3 Principle of measurement .............................................................................. 1-4

1.4 Intended use ....................................................................................................1- 4

2. Transportation and Storage ..............................................................2-1

3. Product description ...........................................................................3-1

3.1 Metering Tube ..................................................................................................3-1

3.2 Bistable inductive ring sensor (Option /GR2 to /GR8) ...............................3-2

3.3 Magnetic contact (Option /GM1 to /GM5) .....................................................3-2

3.4 Marking ............................................................................................................3-3

4. Installation ...........................................................................................4-1

4.1 General .............................................................................................................4-1

4.2 Piping ...............................................................................................................4-2

4.3 Bistable inductive ring sensor (Option /GR2 to /GR8) ...............................4-3

4.4 Magnetic contact (Option /GM1 to /GM5) .....................................................4-4

4.5 Connection box (Option /GD1 or /GD2) ........................................................4-5

5. Service ................................................................................................5-1

5.1 Customer maintenance part list (CMPL) ......................................................5-1

5.2 Template for sending back to service ..........................................................5-4

6. Explosion protected type instruments ............................................6-1

6.1 Bistable inductive ring sensor (Option /GR2 to /GR8) ...............................6-1

6.2 Magnetic contact (Option /GM1 to /GM5) .....................................................6-3

7. Instructions for PED ........................................................................... 7-1

8. Technical Data ....................................................................................8-1

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APPENDIX 1. Safety Instrumented Systems Installation .................. A1-1

A1.1 Scope and Purpose ................................................................................... A1-1

A1.2 Using RAGN for a SIS Application ........................................................... A1-1

A1.2.1 Safety Function ................................................................................................. A1-1

A1.2.2 Diagnostic Response Time .............................................................................. A1-2

A1.2.3 Setup .................................................................................................................. A1-2

A1.2.4 Proof Testing ..................................................................................................... A1-2

A1.2.5 Repair and replacement ................................................................................... A1-2

A1.2.6 Startup Time ...................................................................................................... A1-3

A1.2.7 Reliability data ..................................................................................................A1-3

A1.2.8 Lifetime limits .................................................................................................A1-3

A1.2.9 Environmental limits ......................................................................................... A1-3

A1.2.10 Application limits ............................................................................................ A1-3

A1.3 Denitions and Abbreviations ................................................................... A1-4

A1.3.1 Denitions .........................................................................................................A1-4

A1.3.2 Abbreviations ....................................................................................................A1-4

A1.4 Assessment results .................................................................................... A1-4

A1.4.1 Safety related parameters ................................................................................ A1-4

IM 01R01B10-00E-E 2nd edition: November 01, 2011-00

1. Introduction

WARNING

CAUTION

IMPORTANT

NOTE

WARNING

< 1. INTRODUCTION>

1-1

Before use, read this manual thoroughly and familiarize yourself fully with the features, operations and handling of Rotameter RAGN to have the instrument deliver its full capabilities and to ensure its efficient and correct use.

Notices Regarding This Manual

• This manual should be passed to the end user.

• The contents of this manual are subject to

change without prior notice.

may be reproduced or transmitted in any form or by any means without the written permission of Rota Yokogawa (hereinafter simply referred to as Yokogawa).

• This manual neither does warrant the

marketability of this instrument nor it does warrant that the instrument will suit a particular purpose of the user.

• Every effort has been made to ensure accuracy

in the contents of this manual. However, should any questions arise or errors come to your attention, please contact your nearest Yokogawa sales office that appears on the back of this manual or the sales representative from which you purchased the product.

• This manual is not intended for models with

custom specications.

• Revisions may not always be made in this manual in conjunction with changes in

specications, constructions and/or components if such changes are not deemed to interfere with the instrument’s functionality or performance.

Notices Regarding Safety and Modication

• For the protection and safety of personnel, the

instrument and the system comprising the instrument, be sure to follow the instructions on safety described in this manual when handling the product. If you handle the instrument in a manner contrary to these instructions, Yokogawa does not guarantee safety.

• If this instrument is used in a manner not

specied in this manual, the protection provided by this instrument may be impaired.

• As for explosion proof model, if you yourself

repair or modify the instrument and then fail to

return it to its original form, the explosion

protected construction of the instrument will be impaired, creating a hazardous condition. Be sure to consult Yokogawa for repairs and modications.

The following safety symbols and cautionary notes are used on the product and in this manual:

This symbol is used to indicate that a hazardous

condition will result which, if not avoided, may

lead to loss of life or serious injury. This manual describes how the operator should exercise care

to avoid such a risk..

This symbol is used to indicate that a hazardous

condition will result which, if not avoided, may

lead to minor injury or material damage. This

manual describes how the operator should

exercise care to avoid a risk of bodily injury or

damage to the instrument.

This symbol is used to call your attention to a

condition that must be observed in order to avoid the risk of damage to the instrument or system problems.

This symbol is used to call your attention to

information that should be referred to in order to know the operations and functions of the instrument.

For Safe Use of Rotameter RAGN

• If the process uid is harmful to personnel,

handle Rotameter RAGN carefully even after it has been removed from the process line

for maintenance or other purposes. Exercise extreme care to prevent the uid from coming into contact with human esh and to avoid

inhaling any residual gas.

• In case of Explosion proof type instrument,

further requirements and differences are described in Chapter 6 "EXPLOSION

PROTECTED TYPE INSTRUMENTS”. The

description in Chapter 6 is prior to other descriptions in this instruction manual.

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1-2

WARNING

IMPORTANT

< 1. INTRODUCTION>

Warranty

• The warranty of this instrument shall cover the

period noted on the quotation presented to the

Purchaser at the time of purchase. The Seller

shall repair the instrument free of charge when the failure occurred during the warranty period.

• All inquiries on instrument failure should be

directed to the Seller’s sales representative from whom you purchased the instrument or your nearest sales office of the Seller.

• Should the instrument fail, contact the Seller

specifying the model and instrument number of the product in question. Be specic in describing details on the failure and the process in which the failure occurred. It will be helpful if schematic diagrams and/or records of data are attached to the failed instrument.

• Whether or not the failed instrument should be

repaired free of charge shall be left solely to the discretion of the Seller as a result of an inspection by the Seller.

The Purchaser shall not be entitled to receive repair services from the Seller free of charge, even during the warranty period, if the malfunction or damage is due to:

• improper and/or inadequate maintenance of the

instrument in question by the Purchaser.

• handling, use or storage of the instrument in

question beyond the design and/or specications requirements.

• use of the instrument in question in a location

not conforming to the conditions specied in the Seller’s General Specication or Instruction Manual.

• retrotting and/or repair by an other party than

the Seller or a party to whom the Seller has entrusted repair services.

• improper relocation of the instrument in question

after delivery.

• reason of force measure such as res, earthquakes, storms/ oods, thunder/lightning, or

other reasons not attributable to the instrument in question.

• YOKOGAWA gives no warranty for the improper use of glass ow meters. Due to the uncontrollably

of the material YOKOGAWA cannot guarantee that the material is fracture-proof.

• When removing the instrument from hazardous processes, avoid contact with the uid and the

interior of the meter.

• In case of Explosion proof type instrument,

further requirements and differences are described in Chapter 6 " EXPLOSION

PROTECTED TYPE INSTRUMENTS”. The

description in Chapter 6 is prior to other descriptions in this instruction manual.

Notices regarding EMC

The Rotameter RAGN with option /GR2 ... /GR8 is conform to the European EMC Guideline and fullls the following standards: DIN EN 61000-4-2 : level 3 DIN EN 61000-4-3 : level 2 DIN EN 61000-4-4 : level 3 DIN EN 61000-4-6 : level 2 DIN EN 55011 : group 1 / class A

The RAGN with option /GR2 ... /GR8 is a class A

product and should be used and installed properly according to the EMC Class A requirements.

Although the inductive ring sensor has been designed to resist high frequency electrical noise, if a radio transceiver is used near the

transmitter or it external wiring, the transmitter

may be affected by high frequency noise pickup.

To test for such effects, bring the transceiver in

use slowly from a distance of several meters from the transmitter, and observe the measurement

loop for noise effects. Thereafter, always use the

transceiver outside the area affected by noise.

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1.1 ATEX Documentation

This is only applicable to the countries in European Union.

< 1. INTRODUCTION>

1-3

EST

SLO

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1-4

FG = FF + FB = Equilibrium

100l/h

Equilibrium

< 1. INTRODUCTION>

1.2 General description

This manual describes installation, operation and maintenance of the RAGN. Please read it carefully before using

this device.

Further, please note that customer features are not described in this manual. When modifying specications,

construction or parts, this manual is not necessarily revised unless it can be assumed that these changes will impair RAGN functions or performance. All units are thoroughly tested before shipping. Please check the received units visually to ensure that they have not been damaged during transport. In case of defects or questions please contact your nearest YOKOGAWA service centre or sales office. Please describe any defect precisely and indicate model code as well as serial number. YOKOGAWA refuses any liability for units which have been repaired by the user without prior consent and do not meet the specications as a consequence.

1.3 Principle of measurement

A Rotameter measures the ow of liquids, gases and steam by using a oat inside a conical tube. The gap between the tube and oat is larger at the top to allow a greater ow to pass through the meter. As gravity

works in a vertical orientation so the tube needs to be vertically oriented.

Rota Yokogawa developed the free rotating oat which stabilises its position in the centre of the cone to provide a more stable ow measurement. The medium passes through the metering tube from bottom to top and consequently rises the oat until there is an annular gap between the inside surface of the metering tube and the oat and equilibrium of the following forces

has been achieved.

Buoyancy / Gravity / Friction force

The Rotameter principle is one of the oldest and mature principles in ow measurement. This mechanical principle is as simple as it is reliable. The ow is indicated by the top of the oat and can be read from the standard scale on the metering tube. The RAGN can be equipped with limit switches option /GR2 to /GR8 and /GM1 to /GM5. All units are calibrated with water or air by the manufacturer. By adjusting the calibration values to the measured substance’s state of aggregation (density, viscosity), the ow rate scale for each measuring tube can be determined.

When the process conditions have changed the scale is not accurate any longer and the glass tube needs to be replaced.

1.4 Intended use

The RAGN is designed for the continuous ow measurement of liquids or gases and can be used in all industries. Typical applications are:

- Visual uid monitoring

- Industrial gas measurement

- Controlling of water circuits

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<2. TRANSORTATION AND STORAGE>

2-1

2. Transportation and Storage

Transportation instructions

When transporting the instrument, you must observe the following safety instructions in order to avoid lethal

injury, damage to the instrument and other material damage.

The steps involved in transport may only be carried out by qualied persons taking into account the safety

instructions.

• Observe the transport instructions on the packaging.

• Observe the below mentioned storage conditions.

• Use only the original packaging.

• The packaging material must be disposed of in accordance with the regulations.

• The transport braces must not be removed until installation.

• Read the chapter “Safety instructions”.

• To avoid any damages, unpack the ow meter only at the installation site.

• Mechanical shocks are to be avoided.

Storage conditions

Please note the following for storage purposes :

• The instrument should be stored in its transport packaging.

• Choose a storage place that meets the following requirements:

• Protection from rain and humidity

• Free of mechanical vibration and shocks

• Ambient temperature between -25°C to 60°C

• Atmospheric humidity ranging from 0 to 100%. Operation above 95% for longer times is not recommended

Before storing a used ow meter remove any uid from the ow meter and clean it in order to avoid fouling.

Properties of the instrument can change when stored outdoors.

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<2. TRANPORTATION AND STORAGE>

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3. Product description

Process connection

Float

Scale on tube

Nuts

Tubular frame

Splinter shield

3.1 Metering Tube

<3. PRODUCT DESCRIPTION>

3-1

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<3. PRODUCT DESCRIPTION>

3.2 Bistable inductive ring sensor (Option /GR2 to /GR8)

The ring sensor type RI20 is intended for connection to glass Rotameters. It indicates whether the oat is

positioned above or below the sensor.

The oat must have ferromagnetic properties (e.g. a PVDF oat with iron core).

The device is offered into 3 versions:

Type Option Diameter of tube Possible oat (Yokogawa Code)

RI20-10 G /GR2, /GR6 10mm -PD B_N

RI20-17 K /GR3, /GR7 17mm -PD C_N

RI20-17 G /GR4, /GR8 17mm -PD D_N

The RI20 is bistable, i.e. if the oat is below the switch point, current consumption is always < 1 mA and it is

> 2.2 mA, if the oat is above the switch point. After power on or after power fail the RI20 shows

I < 1 mA. To nd the correct oat position the oat has to move once through the RI20.

It is intended for connection to a non-bistable isolation-switch amplier complying with DIN EN 50227

(NAMUR) (e.g. options /Wxx). With its plastic housing and its sealed-in electronic equipment, the RI20

meets the requirements for protection class IP67 and can also be operated safely in aggressive

atmospheres.

The RI20 is maintenance-free. See chapter 6 "EXPLOSION PROTECTED TYPE INSTRUMENTS” for devices in ATEX version.

3.3 Magnetic contact (Option /GM1 to /GM5)

The limit switch is mounted to a Rotameter type RAGN, if a magnetic oat is used and indicates if the ow falls below the set limit (MIN-contact) or exceeds the set limit (MAX-contact). When reaching the switch point the Reed contact with bias by a permanent magnet opens when the oat enters the alarm range. The Reed contact closes when the oat leaves the alarm range. Opened or closed the Reed contact remains because of its bistability in its position no matter how far the oat moves away. Due to the low switch output of the Reed contact (max, 10 VA/(W), max. 0.5 A, max. 230 V AC) a

transformer isolated barrier (e.g. option /Wxx) should be connected to the GM.

IM 01R01B10-00E-E 2nd edition: November 01, 2011-00

3.4 Marking

Rota Yokogaw Rheinstr. 8 D-79664 Wehr Type : RI20-10-K U = 4.5 ... 15V

SN : ..............

ROTA YOKOGAWA D-79664 Wehr

S/N D1L301985 RAGN01-D4SS-L624-TTBLN/B1/B4/L12/V1/GM1/GD/MN/P6/H1

PS:16bar TS:-25°C-100°C PTmax:24bar 100% = 650 l/min Wasser 20°C Tag-No:123456789012345678901234567890123456789012345

KCC-REMRYG-GR-RAGN

**)

*) only for RAGN04, RAGN05, RAGN06 **) only with option /KC

Name plate of RAGN:

Name plate of inductive ring sensor (option /GR2 to /GR8)

<3. PRODUCT DESCRIPTION>

3-3

Rota Yokogawa

Rota Yokogaw

Rheinstr. 8

D-79664 Wehr

Type : RI20-10-K

U = 4.5 ... 15V

SN : ..............

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<3. PRODUCT DESCRIPTION>

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