Yokogawa EJX930A - Manual (Page 2)

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IM 01C25T02-01E
DPharp
Fieldbus Communication Type
IM 01C25T02-01E 13th Edition
13th Edition: June 2013 (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 Installation of an Explosion-Protected Instrument .......................................2-1
2.1.1
FM approval .......................................................................................2-1
2.1.2 CSA Certification ................................................................................2-5
2.1.3 ATEX Certification ..............................................................................2-8
2.1.4 IECEx Certification ...........................................................................2-12
3. About Fieldbus ......................................................................................... 3-1
3.1 Outline ................................................................................................................3-1
3.2 Internal Structure of DPharp ............................................................................3-1
3.2.1
System/network Management VFD ..................................................3-1
3.2.2 Function Block VFD ...........................................................................3-1
3.3 Logical Structure of Each Block .....................................................................3-1
3.4 Wiring System Configuration ..........................................................................3-1
4. Getting Started .......................................................................................... 4-1
4.1 Connection of Devices .....................................................................................4-1
4.2 Host Setting .......................................................................................................4-2
4.3 Bus Power ON ...................................................................................................4-3
4.3.1
Integral Indicator Display When Powering On ...................................4-3
4.3.2 Confirming that Transmitter is Operating Properly ............................4-3
4.4 Integration of DD ...............................................................................................4-4
4.5 Set the parameters using DTM ........................................................................4-4
4.6 Reading the Parameters ...................................................................................4-4
4.7 Continuous Record of Values ..........................................................................4-4
4.8 Generation of Alarm ..........................................................................................4-4
5. Configuration ............................................................................................ 5-1
5.1 Network Design .................................................................................................5-1