Yokogawa EJA110A User Manual
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CONTENTS
IM 01C21B01-01E
FD No. IM 01C21B01-01E
11th Edition: Oct. 2008(YK)
All Rights Reserved, Copyright © 1997, Yokogawa Electric Corporation
CONTENTS
Regarding This Manual ................................................................................. 1-1
1.1 For Safe Use of Product ........................................................................ 1-1
1.2 Warranty ................................................................................................ 1-2
1.3 ATEX Documentation ............................................................................ 1-3
Model and Specifications Check ......................................................... 2-1
Selecting the Installation Location ...................................................... 2-2
Pressure Connection ........................................................................... 2-2
Waterproofing of Cable Conduit Connections .................................... 2-2
Restrictions on Use of Radio Transceiver .......................................... 2-2
Insulation Resistance and Dielectric Strength Test ............................ 2-2
Installation of Explosion Protected Type ............................................ 2-3
FM Approval ................................................................................. 2-3
CSA Certification .......................................................................... 2-5
IECEx Certification ....................................................................... 2-6
CENELEC ATEX (KEMA) Certification ........................................ 2-8
2.10 EMC Conformity Standards .............................................................. 2-11
2.11 PED (Pressure Equipment Directive) ............................................... 2-11
2.12 Low Voltage Directive ....................................................................... 2-12
Changing the Process Connection ..................................................... 4-2
Swapping the High/Low-pressure Side Connection ........................... 4-3
Rotating Pressure-detector Section 180
..................................... 4-3
Using the BRAIN TERMINAL BT200 ........................................... 4-3
Rotating Transmitter Section .............................................................. 4-4
Changing the Direction of Integral Indicator ....................................... 4-4
INSTALLING IMPULSE PIPING ................................................................... 5-1
Impulse Piping Installation Precautions .............................................. 5-1
Connecting Impulse Piping to the Transmitter ............................. 5-1
Routing the Impulse Piping .......................................................... 5-2
Impulse Piping Connection Examples ................................................ 5-4
Selecting the Wiring Materials ............................................................ 6-1
Connections of External Wiring to Terminal Box ................................ 6-1
Power Supply Wiring Connection ................................................ 6-1