YOKOGAWA Dpharp EJX210A, User Manual

Page: 2 / 54

i
CONTENTS
IM 01C25C01-01E
FD No. IM 01C25C01-01E
3rd Edition: July 2006(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 Model and Specifications Check ......................................................... 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 Waterproofing of Cable Conduit Connections .................................... 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 CSA Certification .......................................................................... 2-5
2.9.3 CENELEC ATEX (KEMA) Certification ........................................ 2-7
2.9.4 IECEx Certification ..................................................................... 2-10
2.10 EMC Conformity Standards .............................................................. 2-11
2.11 Pressure Equipment Directive (PED) ............................................... 2-11
2.12 Low Voltage Directive ....................................................................... 2-11
3. COMPONENT NAMES .................................................................................. 3-1
4. INSTALLATION ............................................................................................. 4-1
4.1 Precautions ......................................................................................... 4-1
4.2 Mounting .............................................................................................. 4-1
4.3 Rotating Transmitter Section .............................................................. 4-1
4.4 Changing Integral Indicator Direction ................................................. 4-2
4.5 Mounting the Flushing Connection Ring ............................................. 4-2
4.5.1 Mounting to Pressure Detector Section ....................................... 4-2
4.5.2 Mounting to Process Flange ........................................................ 4-3
4.6 Affixing the Teflon Film ....................................................................... 4-3
5. INSTALLING IMPULSE PIPING ................................................................... 5-1
5.1 Impulse Piping Installation Precautions .............................................. 5-1
5.1.1 Connecting Impulse Piping to the Transmitter ............................. 5-1
5.1.2 Routing the Impulse Piping .......................................................... 5-1
5.2 Impulse Piping Connection Examples ................................................ 5-2
6. WIRING .......................................................................................................... 6-1
6.1 Wiring Precautions .............................................................................. 6-1
6.2 Selecting the Wiring Materials ............................................................ 6-1
6.3 Connections of External Wiring to Terminal Box ................................ 6-1
6.3.1 Power Supply Wiring Connection ................................................ 6-1