SMAR FP302 Guida all'installazione

ION

FP302

FP302ME

web: www.smar.com/contactus.asp

www.smar.com

Specifications and information are subject to change without notice.

Up-to-date address information is available on our website.

smar

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INTRODUCTION

The FP302 belongs to the first generation of Foundation Fieldbus devices. It is a converter mainly

intended for interfacing a Fieldbus System to a Pneumatic valve or actuator. The FP302 produces a

3-15 psi or 3-30 psi output proportional to the input received over the Fieldbus network. The digital

technology used in the FP302 enables an easy interface between the field and the control room and

several interesting features that reduce considerably the installation, operation and maintenance

costs.

The FP302 is part of Smar's complete 302 line of Foundation Fieldbus devices.

Fieldbus is not only a replacement for 4-20 mA or intelligent / smart transmitter protocols, it contains

much more. Fieldbus is a complete system enabling distribution of the control function to equipment

in the field.

Some of the advantages of bi-directional digital communications are known from existing smart

transmitter protocols: Higher accuracy, multi-variable access, remote configuration and diagnostics,

and multi-dropping of several devices on a single pair of wires.

Using Fieldbus technology, with its capability to interconnect several devices, very large control

strategies can be designed. In order to be user friendly, the function block concept was introduced

(users of Smar CD600 should be familiar with this, since it was implemented many years ago). The

user may now easily build and overview complex control strategies. Another advantage is added

flexibility; one can edit the control strategy without having to rewire or change any hardware.

The FP302, like the rest of the 302 family, has several Function Blocks built in, like PID controller,

Input Selector and Splitter/Output Selector, eliminating the need for separate device. Such features

improve the communication quality and thereby less dead-time and faster control, not to mention the

reduction in cost.

When designing the entire 302 line of Fieldbus devices, Smar considered the needs of both small

and large systems. They have in common being able to act as a master on the network and be

configured locally using a magnetic tool, eliminating need of a configurator or console in many basic

applications.

Get the best result of the FP302 by carefully reading these instructions.

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WARNING

This manual is compatible with version 3.XX, where 3 denote software version and XX software

release. The indication 3.XX means that this manual is compatible with any release of software

version 3.

Waiver of responsibility

The contents of this manual abides by the hardware and software used on the current equipment

version. Eventually there may occur divergencies between this manual and the equipment. The

information from this document are periodically reviewed and the necessary or identified corrections

will be included in the following editions. Suggestions for their improvement are welcome.

Warning

For more objectivity and clarity, this manual does not contain all the detailed information on the

product and, in addition, it does not cover every possible mounting, operation or maintenance

cases.

Before installing and utilizing the equipment, check if the model of the acquired equipment complies

with the technical requirements for the application. This checking is the user’s responsibility.

If the user needs more information, or on the event of specific problems not specified or treated in

this manual, the information should be sought from Smar. Furthermore, the user recognizes that the

contents of this manual by no means modify past or present agreements, confirmation or judicial

relationship, in whole or in part.

All of Smar’s obligation result from the purchasing agreement signed between the parties, which

includes the complete and sole valid warranty term. Contractual clauses related to the warranty are

not limited nor extended by virtue of the technical information contained in this manual.

Only qualified personnel are allowed to participate in the activities of mounting, electrical connection,

startup and maintenance of the equipment. Qualified personnel are understood to be the persons

familiar with the mounting, electrical connection, startup and operation of the equipment or othe

similar apparatus that are technically fit for their work. Smar provides specific training to instruct and

qualify such professionals. However, each country must comply with the local safety procedures,

legal provisions and regulations for the mounting and operation of electrical installations, as well as

with the laws and regulations on classified areas, such as intrinsic safety, explosion proof, increased

safety and instrumented safety systems, among others.

The user is responsible for the incorrect or inadequate handling of equipments run with pneumatic

or hydraulic pressure or, still, subject to corrosive, aggressive or combustible products, since thei

utilization may cause severe bodily harm and/or material damages.

The field equipment referred to in this manual, when acquired for classified or hazardous areas, has

its certification void when having its parts replaced or interchanged without functional and approval

tests by Smar or any of Smar authorized dealers, which are the competent companies for certifying

that the equipment in its entirety meets the applicable standards and regulations. The same is true

when converting the equipment of a communication protocol to another. In this case, it is necessary

sending the equipment to Smar or any of its authorized dealer. Moreover, the certificates are

different and the user is responsible for their correct use.

Always respect the instructions provided in the Manual. Smar is not responsible for any losses

and/or damages resulting from the inadequate use of its equipments. It is the user’s responsibility to

know and apply the safety practices in his country.

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TABLE OF CONTENTS

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GENERAL....................................................................................................................................................................1.1

MOUNTING .................................................................................................................................................................1.1

PNEUMATIC CONNECTIONS....................................................................................................................................1.2

ELECTRIC CONNECTION..........................................................................................................................................1.3

NETWORK CONFIGURATION AND TOPOLOGY..................................................................................................... 1.5

INSTALLATION IN HAZARDOUS AREAS .................................................................................................................1.6

EXPLOSION/FLAME PROOF.................................................................................................................................................1.6

INTRINSICALLY SAFE ...........................................................................................................................................................1.6

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OUTPUT MODULE FUNCTIONAL DESCRIPTION....................................................................................................2.1

FUNCTIONAL ELECTRONIC DESCRIPTION............................................................................................................ 2.2

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TRANSDUCER BLOCK ..............................................................................................................................................3.2

OUTPUT FUNCTIONAL BLOCK SCHEME ................................................................................................................3.3

TRANSDUCER BLOCK CONFIGURATION ...............................................................................................................3.3

FP302 – FIELDBUS PRESSURE TRANSDUCER ..................................................................................................... 3.4

CALIBRATION.............................................................................................................................................................3.7

PRESSURE TRIM ....................................................................................................................................................... 3.7

CHARACTERIZATION CURVE ................................................................................................................................ 3.12

TEMPERATURE CALIBRATION ..............................................................................................................................3.14

DISPLAY TRANSDUCER BLOCK ............................................................................................................................ 3.14

DEFINITION OF PARAMETERS AND VALUES ......................................................................................................3.15

LOCAL ADJUSTMENT PROGRAMATION...............................................................................................................3.18

BLOCK TYPE AVAILABILITY AND INITIAL BLOCK SET ........................................................................................ 3.21

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GENERAL....................................................................................................................................................................4.1

DISASSEMBLY PROCEDURE ................................................................................................................................... 4.2

TRANSDUCER .......................................................................................................................................................................4.2

ELECTRONIC CIRCUIT .........................................................................................................................................................4.3

RESTRICTION CLEANING PROCEDURES ..............................................................................................................4.3

ASSEMBLY PROCEDURE .........................................................................................................................................4.4

TRANSDUCER .......................................................................................................................................................................4.4

EXHAUSTING OUTPUTS.......................................................................................................................................................4.4

FILTERING ELEMENTS REPLACEMENT .............................................................................................................................4.4

ELECTRONIC CIRCUIT .........................................................................................................................................................4.4

ELECTRIC CONNECTIONS...................................................................................................................................................4.5

INTERCHANGEABILITY .............................................................................................................................................4.5

PACKAGING CONTENTS ..........................................................................................................................................4.5

EXPLODED VIEW....................................................................................................................................................... 4.6

ACCESSORIES AND RELATED PRODUCTS...........................................................................................................4.7

SPARE PARTS LIST................................................................................................................................................... 4.7

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FUNCTIONAL SPECIFICATIONS ..............................................................................................................................5.1

PERFORMANCE SPECIFICATIONS .........................................................................................................................5.1

PHYSICAL SPECIFICATIONS....................................................................................................................................5.2

ORDERING CODE......................................................................................................................................................5.3

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EUROPEAN DIRECTIVE INFORMATION..................................................................................................................A.1

OTHERS APPROVALS...............................................................................................................................................A.1

HAZARDOUS LOCATIONS GENERAL INFORMATION ...........................................................................................A.1

HAZARDOUS LOCATIONS APPROVALS .................................................................................................................A.2

IDENTIFICATION PLATE AND CONTROL DRAWING..............................................................................................A.5

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RETURNING MATERIALS..........................................................................................................................................B.2

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Section 1

1.1

INSTALLATION

General NOTE

The installation carried out in hazardous areas should follow the recommendations of the IEC60079-14 standard.

The precision of global measuring and control depends on many variables. Although the converter

has high-level performance, an adequate installation is necessary for best profiting from the device

benefits.

From all the factors possibly affecting the precision of converters, environmental conditions are the

most difficult to cope with. However, there are ways to reduce the effects of temperature, humidity

and vibration.

The FP302 circuit contains a sensor that compensates temperature variations. On the field, the

effect of temperature variation is minimized due to this characteristic.

The effects from temperature variation can be reduced by installing the converter in areas protected

from ambient changes.

In warm conditions, the converter must be installed in a way that avoids the maximum possible the

direct exposition to solar rays. Also should be avoided the installation near high temperature lines or

vases.

Thermal insulation should be used to protect the converter from external heat sources, if necessary.

Humidity is enemy to electronic circuits. The electronic housing cover o-rings must be set correctly

mainly on areas with high relative humidity rates. Avoid removing the housing covers on the field, as

each time they are open, more humidity penetrates in the circuits.

The electronic circuit is wetness-proof coated, but constant exposition to open air may impair this

protection. By the same token, keep covers shut, since every time they are removed corrosion may

deteriorate the housing threads, as this area is not painted. Use adequate sealant on the electric

connections according to sealing method and the hazardous area classification to avoid the

penetration of moisture.

IMPORTANT

Avoid using sealant tape on air inlets and outlets, as this type of material may release residues and block

them, and spoil the device performance.

The converter is practically insensitive to vibrations, although it is recommended not to install it near

to pumps, turbines or equipments that produce excessive vibration.

Mounting

The converter is designed to be light and robust together. This makes its mounting easier and can

be done in a 2” pipe, wall or panel. By using an adequate mounting bracket, it can be mounted in

different positions.

Make sure the FP302 is mounted in a way that dust and particles do not obstruct the vents.

The FP302 has filters to protect the in-coming supply pressure and the vent, which must be kept

clean. In case of impurity building, replace the filter (consult the recommended spare part),

For more visibility, the digital indicator may rotate at 90” angles, as well as the electronic housing,

for better display reading and visibility.

FP302 - Operation, Maintenance and Instructions Manual

1.2

Pneumatic Connections

The instrumentation air must be of better quality than industrial compressed air. Humidity,

suspended particles and oil can temporarily harm the device performance or definitely, if the internal

parts can be damaged.

In compliance with the ANSI/ISA S7.0.01 - 1996 - Quality Standard for Instrument Air standard, the

instrumentation air must bear the following characteristics:

Dew Point 10º C below the minimum registered temperature.

Size of particles 40 µm (maximum).

Oil content 1 ppm w/w (maximum).

Contaminants Must be free from corrosive or inflammable gases.

The standard recommends that the compressor inlet is in a place free from process spills and uses

the adequate filter. Also, that non-lubricated compressors are used to prevent contamination from

lubricant oil. When lubricated compressors are used, there must be means to clean the

contaminated air.

It is recommended the periodical filter cleaning, and more frequent ones in case of bad

instrumentation air quality.

For an output signal from 3 psi (0,2 bar) to 15 psi (1 bar), it is required a minimum air supply of

18 psi (1.24 bar) and a maximum 100 psi (7 bar) supply.

For an output signal from 3 psi (0,2 bar) to 30 psi (2 bar), it is required a minimum air supply of

40 psi (1.4 bar) and a maximum 100 psi (7 bar) supply.

NOTE

To get a maximum output pressure value, the converter requires the minimum necessary pressure described

above

An excessive pressure supply, above 100 psi, may be harmful.

The air pressure supply for the FP302 must be a minimum of 18 psi and a maximum of 100 psi. If

this condition cannot be met, an air pressure regulator is recommended.

The air supply inlet is marked with “IN” and the outlet with “OUT” (See figure 1.3 - Converter

Dimensional Drawing and Mounting Position)

The air supply inlet and outlet connections are ¼ “ NPT threaded. Before connecting the piping,

purge the lines completely. There must be no leaks, mainly on the outlet. Check all piping parts and

connection for leaks. Use good sealing practices before operating the equipment. Thread sealants

are recommended instead of PTFE (Teflon) sealant tape.

The vent is used to exhaust the air to relieve the output pressure. This vent must never be

obstructed for better air flow.

In case of loss of pressure supply, the output will drop near 0 Kgf/cm³ (0 psi). If the pressure is kept,

but communication is lost, the output may be pre-configured for a free value or a safe value.

Indice

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