i
IM 01C25B01-01E
EJX110A, EJX120A, EJX130A,
EJX310A, EJX430A, and EJX440A
Differential Pressure and Pressure Transmitters
IM 01C25B01-01E 10th Edition
10th Edition: Apr. 2010 (YK)
All Rights Reserved, Copyright © 2004, Yokogawa Electric Corporation
Contents
1. Introduction ............................................................................................... 1-1
Regarding This Manual ................................................................................................1-1
1.1 Safe Use of This Product .................................................................................1-2
1.2 Warranty .............................................................................................................1-3
1.3 ATEX Documentation .......................................................................................1-4
2. Handling Cautions ....................................................................................2-1
2.1 ModelandSpecicationsCheck .....................................................................2-1
2.2 Unpacking ..........................................................................................................2-1
2.3 Storage ...............................................................................................................2-1
2.4 Selecting the Installation Location ................................................................2-2
2.5 Pressure Connection ........................................................................................2-2
2.6 WaterproongofCableConduitConnections ..............................................2-2
2.7 Restrictions on Use of Radio Transceivers ...................................................2-2
2.8 Insulation Resistance and Dielectric Strength Test ......................................2-2
2.9 Installation of an Explosion-Protected Instrument .......................................2-3
2.9.1 FM Approval .......................................................................................2-3
2.9.2 CSACertication ................................................................................2-5
2.9.3 CENELECATEX(KEMA)Certication ..............................................2-7
2.9.4 IECExCertication ...........................................................................2-10
2.10 EMC Conformity Standards ...........................................................................2-11
2.11 Pressure Equipment Directive (PED) ...........................................................2-11
2.12 Low Voltage Directive .....................................................................................2-12
3. Component Names ..................................................................................3-1
4. Installation ................................................................................................. 4-1
4.1 Precautions .......................................................................................................4-1
4.2 Mounting ...........................................................................................................4-1
4.3 Changing the Process Connection .................................................................4-2
4.4 Swapping the High/Low-pressure Side Connection .....................................4-3
4.4.1 Rotating Pressure-detector Section 180° .........................................4-3
4.4.2 Using the Communicator ...................................................................4-3
4.5 Rotating Transmitter Section ...........................................................................4-4
4.6 Changing the Direction of Integral Indicator .................................................4-4