Yokogawa EJX440A - Manual (Page 4)

IM 01C25T03-01E 1-1
1. INTRODUCTION
1. INTRODUCTION
Thank you for purchasing the DPharp EJX electronic
pressure transmitter.
EJX pressure transmitters are precisely calibrated at the
factory before shipment. To ensure both safety and
efficiency, please read this manual carefully before
operating the instrument.
This manual describes the BRAIN protocol communi-
cation functions of the EJX series and explains how to
set the parameters for EJX series pressure transmitters
using the BT200 handheld terminal. For information on
the installation, wiring, and maintenance of EJX series
pressure transmitters, please refer to the user’s manual
of each model.
WARNING
When using the EJX 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.
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Regarding This Manual
• This manual should be provided on to the end user.
• The contents of this manual are subject to change
without prior notice.
• All rights reserved. No part of this manual may 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 fitness 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 office.
• The specifications covered by this manual are
limited to those for the standard type under the
specified model number break-down and do not
cover custom-made instruments.
• Please note that changes in the specifications,
construction, or component parts of the instrument
may not immediately be reflected in this manual at
the time of change, provided that postponement of
revisions will not cause difficulty 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.