Yokogawa EJX118A - Manual (Page 5)

<1. Introduction>
1-1
IM 01C25H01-01E
1. Introduction
Thank you for purchasing the DPharp Differential
Pressure and pressure transmitter.
Your Pressure Transmitter was precisely calibrated
at the factory before shipment. To ensure both
safety and efficiency, please read this manual
carefully before you operate the instrument.
NOTE
This manual describes the hardware
configurations of the transmitters listed in below.
For information on the software configuration
and operation, please refer to either
IM 01C25T03-01E for the BRAIN communication
type, or IM 01C25T01-06EN for the HART
communication type.
For FOUNDATION Fieldbus protocol type,
please refer to IM 01C25T02-01E.
For PROFIBUS PA protocol type, please refer to
IM 01C25T04-01EN.
Model Style code
EJX118A S2
EJX438A S2
EJA118E S1
EJA438E S1
To ensure correct use of this instrument, read
both the hardware and software manuals
thoroughly before use.
WARNING
When using the transmitters in a Safety
Instrumented Systems (SIS) application, refer
to Appendix 1 in either IM 01C25T01-06EN for
the HART protocol or IM 01C25T03-01E for the
BRAIN protocol. The instructions and procedures
in this section must be strictly followed in order to
maintain the transmitter for this safety level.
NOTE
When describing the model name like EJ118
or EJ438, it shows the applicability for
both EJX118A and EJA118E or EJX438A and
EJA438E.
NOTE
Unless otherwise stated, the illustrations in this
manual are of the EJ118 diaphragm sealed
differential pressure transmitter.
Users of the EJ438 should bear in mind that
certain features of their instrument will differ from
those shown in the illustrations of the EJ118.
 Regarding This Manual
• This manual should be provided 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.
• Yokogawa assumes no responsibilities for this
product except as stated in the warranty.
• If the customer or any third party is harmed by
the use of this product, Yokogawa assumes
no responsibility for any such harm owing to
any defects in the product which were not
predictable, or for any indirect damages.