Manual
    <1. Introduction>
1
IM 01C22A01-01E
1. Introduction
Thank you for purchasing the DPharp electronic pressure 
transmitter.
This manual provides the basic guidelines for installation 
and wiring procedures of the DPharp EJA Series 
with BRAIN and HART protocols. It does not provide 
the product specifi c functional specifi cations and 
explanations, maintenance, troubleshooting, and fi eldbus 
communication operating procedures, both F
OUNDATION 
Fieldbus
TM
 and PROFIBUS PA. For the items which are 
not covered in this manual, see the applicable user’s 
manuals in the CD-ROM attached to this manual as listed 
in Table 1.1.
F0101.ai
● Installation manual (this document)
  EJA series common manual
<Contents>
• Installation
• Impulse piping installation
• Wiring
• Zeroing
● Attached CD-ROM includes PDF manuals for:
• Product specific manuals, 7 PDFs by model code
• HART operation manual, 1 PDF
• Fieldbus communication manuals, 2 PDFs
<Contents of product specific manuals>
• Installation  • BT200 operation
• Impulse piping installation  • Maintenance
• Wiring  • Specifications
• Zeroing  • Parts list
Table 1.1 PDF Manual List and Applicable Style Code
Models Document No. Style
EJA110A, EJA120A, and 
EJA130A
IM 01C21B01-01E
S1
EJA210A and EJA220A IM 01C21C01-01E
S1
EJA310A, EJA430A, and 
EJA440A
IM 01C21D01-01E
S1
EJA510A and EJA530A IM 01C21F01-01E
S2
EJA118W, EJA118N, and 
EJA118Y
IM 01C22H01-01E
S2
EJA438W and EJA438N IM 01C22J01-01E
S2
EJA115 IM 01C22K01-01E
S3
EJA Series HART Protocol  IM 01C22T01-01E
—
EJA Series F
OUNDATION Fieldbus 
Communication Type
IM 01C22T02-01E
—
EJA Series PROFIBUS PA 
Communication Type
IM 01C22T03-00E
—
  Regarding This Manual
•  This manual should be passed 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 fi 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 offi ce.
• The specifi cations covered by this manual are limited 
to those for the standard type under the specifi ed 
model number break-down and do not cover custom-
made instruments.
•  Please note that changes in the specifi cations, 
construction, or component parts of the instrument 
may not immediately be refl ected in this manual at 
the time of change, provided that postponement of 
revisions will not cause diffi culty 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.
NOTE
For FOUNDATION Fieldbus, PROFIBUS PA and HART 
protocol versions, please refer to manuals in the 
attached CD-ROM, in addition to this manual.
•  The following safety symbol marks are used in this 
manual:
WARNING
Indicates a potentially hazardous situation which, if not 
avoided, could result in death or serious injury.
1
Introduction










