Yokogawa DO202 2-Wire Dissolved Oxygen Analyzer - Manual (Page 2)

IM 12A00A01-61E
TABLE OF CONTENTS
1. INTrOduCTION .................................................................................................. 1-1
2. SAFETy PrECAuTIONS .................................................................................... 2-1
3. FOuNdATION FIELdBuS .................................................................................. 3-1
3-1 About Foundation Fieldbus .............................................................................. 3-1
3-1-1 Outline ..............................................................................................................................3-1
3-1-2 Internal Structure of EXA ..................................................................................................3-1
3-1-2-1 System/network Management VFD ....................................................................3-1
3-1-2-2 Function Block VFD ............................................................................................3-1
3-1-3 Logical Structure of Each Block .......................................................................................3-1
3-1-4 Wiring System Configuration ............................................................................................3-2
3-2 Getting started ................................................................................................. 3-2
3-2-1 Connection of Devices ......................................................................................................3-2
3-2-1-1. Fieldbus Preparation ..........................................................................................3-2
3-2-1-2. Cables, terminals and glands ............................................................................3-3
3-2-2 Host Setting ......................................................................................................................3-4
3-2-3 Bus Power ON ..................................................................................................................3-4
3-2-4 Integration of DD ..............................................................................................................3-5
3-2-5 Reading the Parameters ...................................................................................................3-5
3-2-6 Continuous Record of Values ...........................................................................................3-5
3-2-7 Generation of Alarm .........................................................................................................3-5
3-3 Configuration ................................................................................................... 3-6
3-3-1 Network Design ................................................................................................................3-6
3-3-2 Network Definition.............................................................................................................3-7
3-3-3 Definition of Combining Function Blocks ..........................................................................3-8
3-3-4 Setting of Tags and Addresses ........................................................................................3-9
3-3-5 Communication Setting...................................................................................................3-10
3-3-5-1 VCR Setting.......................................................................................................3-10
3-3-5-2 Function Block Execution Control .....................................................................3-12
3-3-6 Block Setting ...................................................................................................................3-12
3-3-6-1 Link Object ........................................................................................................3-12
3-3-6-2 Trend Object......................................................................................................3-13
3-3-6-3 View Object .......................................................................................................3-14
3-3-6-4 Function Block Parameters ...............................................................................3-18
3-4 In-process operation ...................................................................................... 3-22
3-4-1 Mode Transition ..............................................................................................................3-22
3-4-2 Generation of Alarm ......................................................................................................3-22
3-4-2-1 Indication of Alarm ............................................................................................3-22
3-4-2-2 Alarms and Events ............................................................................................3-22
3-4-3 Simulation Function ........................................................................................................3-23
3-5 Device status ................................................................................................. 3-25
3-6 List of parameters for each block of the EXA ................................................. 3-28
3-6-1 Resource Block...............................................................................................................3-28
3-6-2 Analog input Block ..........................................................................................................3-30
3-6-3 Transducer Block ............................................................................................................3-32
3-6-3-1 Transducer Block PH202 ..................................................................................3-32
3-6-3-2 Transducer Block SC202 ..................................................................................3-35
3-6-3-3 Transducer Block ISC202 .................................................................................3-38
3-6-3-4 Transducer Block DO202 ..................................................................................3-41
3-7 Application setting and change of basic parameters ..................................... 3-43
3-7-1 Applications and selection of basic parameters .............................................................3-43
3-7-2 Setting and change of basic parameters ........................................................................3-44
3-7-3 Setting the AI Function Blocks .......................................................................................3-44
3-7-4 Setting the Transducer Block .........................................................................................3-45
IM 12A00A01-61E
2nd Edition: Sep. 2007(YK)
All Rights Reserved, Copyright © 2007, Yokogawa Electric Corporation