Yokogawa EJA115 - Manual (Page 2)

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CONTENTS
IM 01C22K01-01E FD No. IM 01C22K01-01E
17th Edition: Oct. 2008(KP)
All Rights Reserved, Copyright © 1995, Yokogawa Electric Corporation
CONTENTS
1. INTRODUCTION ............................................................................................ 1-1
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
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 Transceiver .......................................... 2-2
2.8 Insulation Resistance and Dielectric Strength Test ............................ 2-2
2.9 Installation of Explosion Protected Type ............................................ 2-3
2.9.1 FM Approval ................................................................................. 2-3
2.9.2 CSA Certification .......................................................................... 2-5
2.9.3 IECEx Certification ....................................................................... 2-6
2.9.4 CENELEC ATEX (KEMA) Certification ........................................ 2-8
2.9.5 TIIS Certification ......................................................................... 2-10
2.10 EMC Conformity Standards .............................................................. 2-12
2.11 PED (Pressure Equipment Directive) ............................................... 2-12
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 Rotating Transmitter Section .............................................................. 4-2
4.4 Changing the Direction of Integral Indicator ....................................... 4-3
5. INSTALLING IMPULSE PIPING ................................................................... 5-1
5.1 Process Piping Installation Precautions .............................................. 5-1
5.1.1 Connecting Process Piping to the Transmitter ............................ 5-1
5.1.2 Routing the Process Piping .......................................................... 5-1
5.2 Process 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
6.3.2 External Indicator Connection ...................................................... 6-1