Yokogawa EJX930A - Manual (Page 8)

<1. Introduction>
1-1
IM 01C25T02-01E
1. Introduction
This manual is for the DPharp EJX/EJA Series
Differential Pressure/Pressure Transmitter
Fieldbus Communication Type "transmitter". The
Fieldbus communication type is based on the
same silicon resonant sensing technology used
in the BRAIN/HART communication type, and is
similar to the communication types in terms of basic
performance and operation. This manual describes
only those topics that are required for operation of
the Fieldbus communication type. For information
on the installation, wiring, and maintenance of
transmitters, refer to the user’s manual for each
model. Also note that the contents of this manual
are applicable for device revision 5 of EJX series
pressure transmitters and device revision 1 of
EJA series pressure transmitters. See a device
information sheet attached to the instrument to
check the device revision.
 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.
• 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.