Yokogawa EJA440E User Manual download pdf (Page 5)

<1. Introduction>

1-1

IM 01C25T01-06EN

1. Introduction

Thank you for purchasing the DPharp EJX

series pressure transmitter/EJA series pressure

transmitter(“transmitter”).

The transmitters are precisely calibrated at the

factory before shipment.

To ensure both safety and efciency, please

read this manual carefully before operating the

instrument.

This manual describes the HART protocol

communication functions of the transmitter

and explains how to set the parameters for the

transmitters using the HART conguration tool.

For information on the installation, wiring, and

maintenance of the transmitters, please refer to the

user’s manual of each model.

WARNING

When using the transmitter in a Safety

Instrumented Systems (SIS) application, refer

to Appendix 1 in this manual. The instructions

and procedures in the appendix must be strictly

followed in order to maintain the designed safety

integrity of the transmitter.

 Regarding This Manual

• This manual should be provided to the end

user.

• The contents of this manual are subject to

change without prior notice.

be reproduced in any form without Yokogawa’s

written permission.

• Yokogawa makes no warranty of any kind with

regard to this manual, including, but not limited

to, implied warranty of merchantability and

tness for a particular purpose.

• If any question arises or errors are found, or if

any information is missing from this manual,

please inform the nearest Yokogawa sales

ofce.

• The specications covered by this manual are

limited to those for the standard type under the

specied model number break-down and do not

cover custom-made instruments.

• Please note that changes in the specications,

construction, or component parts of the

instrument may not immediately be reected

in this manual at the time of change, provided

that postponement of revisions will not cause

difculty to the user from a functional or

performance standpoint.

• The following safety symbols are used in this

manual:

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 or moderate

injury. It may also be used to alert against unsafe

practices.

IMPORTANT

Indicates that operating the hardware or software

in this manner may damage it or lead to system

failure.

NOTE

Draws attention to information essential for

understanding the operation and features.

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