<1. Introduction>
1-1
IM 01C25F01-01E
1. Introduction
Thank you for purchasing the DPharp EJX and EJA
Differential Pressure and pressure transmitter.
Your 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 F
OUNDATION
Fieldbus protocol type, please
refer to IM 01C25T02-01E.
For PROFIBUS PA protocol type, please refer to
IM 01C25T04-01EN.
Model
Style code
EJX510A
S2
EJX530A
S2
EJX610A
S1
EJX630A
S1
EJA510E
S1, S2
EJA530E
S1, S2
To ensure correct use of this instrument, read
both the hardware and software manuals
thoroughly before use. When the transmitter is
used as a component of Digital Remote Sensor
(EJXC40A), please refer to IM 01C25W05-01EN.
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
510
or EJ
530
, it shows the applicability for
both EJX510A and EJA510E or EJX530A and
EJA530E.
NOTE
Unless otherwise stated, the illustrations in this
manual are of the EJ
530
gauge pressure
transmitter.
Users of the EJ
510
, EJX610A and EJX630A
should bear in mind that certain features of their
instrument will differ from those shown in the
illustrations of the EJ
530
.
Regarding This Manual
• This manual and the identification tag attached
on the packing box are essential parts of the
product. Please keep them in a safe place for
future reference.
• 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.
