YOKOGAWA digitalYEWFLO Series

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<1. INTRODUCTION>

1-4

IM 01F06F00-01EN

1.3 ATEX Documentation

This is only applicable to the countries in European Union.

EST

SLO

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Default Chapter2
- Table of Contents2
1 Introduction7
- Using this Instrument Safety8
- Warranty9
- ATEX Documentation10
2 Amplifier for Fieldbus Communication11
3 About Fieldbus12
- Outline12
- Internal Structure of Digitalyewflo12
  - System/Network Management VFD12
  - Function Block VFD12
- Logical Structure of each Block13
- Wiring System Configuration13
4 Getting Started14
- Connection of Devices14
- Host Setting15
- Power-On of Digitalyewflo and Bus15
- Integration of DD16
- Reading the Parameters16
- Continuous Record of Values16
- Generation of Alarm17
5 Configuration18
- Network Design18
- Network Definition18
- Function Block Link Definitions19
- Setting of Tags and Addresses20
- Communication Setting21
  - VCR Setting21
  - Function Block Execution Control22
- Block Setting23
6 Explanation of Basic Items32
- Setting and Changing Parameters for the Whole Process32
- Transducer Block Parameters33
- AI Function Block Parameters35
- Parameters of DI Function Block37
- Integral LCD Indicator37
7 In-Process Operation39
- Mode Transition39
- Generation of Alarm39
  - Indication of Alarm39
  - Alarms and Events41
- Simulation Function41
8 Device Status42
9 General Specifications45
- Standard Specifications45
- Model and Suffix Codes47
- Optional Specifications48
10 Explosion Protected Type Instrument52
- Atex52
- Iecex60
- Csa62
- Tiis64
Appendix 1. List of Parameters65
- A1.1 Resource Block65
- A1.2 al Function Block67
- A1.3 Transducer Block70
Appendix 2. Application, Setting and Change of Basic Parameters76
- A2.1 Applications and Selection of Basic Parameters76
- A2.2 Setting and Change of77
  - Basic Parameters77
- A2.3 Setting the AI Function Blocks77
- A2.4 Setting the Transducer Block79
- A2.5 Setting the DI Function Blocks81
Appendix 3. Operation of each Parameter in Failure Mode82
Appendix 4. Function Diagrams of Function Blocks97
- A4.1 AI Function Block97
- A4.2 DI Function Block97
Appendix 5. Integrator (It) Block98
- A5.1 Schematic Diagram of Integrator Block98
- A5.2 Input Process Section99
- A5.3 Adder101
  - A5.3.1 Status of Value after Addition101
  - A5.3.2 Addition101
- A5.4 Integrator101
- A5.5 Output Process103
  - A5.5.2 Determining the Output Value104
  - A5.5.3 Mode Handling105
- A5.6 Reset105
- A5.7 List of Integrator Block Parameters107
APPENDIX 6. Enhanced ARITHMETIC (AR) BLOCK109
- A6.1 Schematic Diagram of Arithmetic Block109
- A6.2 Input Section110
- A6.3 Computation Section112
- A6.4 Output Section113
  - A6.4.1 Mode Handling114
  - A6.4.2 Status Handling114
- A6.5 List of the Arithmetic Block Parameters115
- A6.6 Example of Connection117
- A6.7 Setting Procedure of the Mass Flow Rate Calculation118
Appendix 7. Link Master Functions119
- A7.1 Link Active Scheduler119
- A7.2 Link Master119
- A7.3 Transfer of las120
- A7.4 LM Functions121
- A7.5 LM Parameters122
  - A7.5.1 LM Parameter List122
  - A7.5.2 Descriptions for LM Parameters124
- A7.6 Trouble Shooting126
Appendix 8. Pid Block128
- A8.1 Function Diagram128
- A8.2 Functions of PID Block128
- A8.3 Parameters of PID Block129
- A8.4 PID Computation Details131
- A8.5 Control Output131
- A8.6 Direction of Control Action131
- A8.7 Control Action Bypass132
- A8.8 Feed-Forward132
- A8.9 Block Modes132
- A8.10 Bumpless Transfer133
- A8.11 Setpoint Limiters133
  - A8.11.1 When PID Block Is in AUTO Mode133
  - A8.11.2 When PID Block Is in CAS or RCAS Mode133
- A8.12 External-Output Tracking134
- A8.13 Measured-Value Tracking134
- A8.14 Initialization and Manual Fallback (IMAN)134
- A8.15 Manual Fallback135
- A8.16 Auto Fallback135
- A8.17 Mode Shedding Upon Computer Failure135
- A8.18 Alarms136
  - A8.18.2 Process Alarms136
- A8.19 Example of Block Connections137
Appendix 9. DD Menu138
Appendix 10. Method147
- A10.1 Transducer Block147
- A10.2 Enhanced AR Block151
APPENDIX 11. SOFTWARE DOWNLOAD (Option /EE)155
- A11.1 Benefits of Software Download155
- A11.2 Specifications155
- A11.3 Preparations for Software Downloading155
- A11.4 Software Download Sequence156
- A11.5 Download Files156
- A11.6 Steps after Activating a Field Device157
- A11.7 Troubleshooting158
- A11.8 Resource Block's Parameters Relating to Software Download158
- A11.9 System/Network Management VFD Parameters Relating to Software Download160
  - A11.9.1 Parameter List160
APPENDIX 12. DEVICEVIEWER WINDOW EXECUTED from PRM (Plant Resource Manager)163
Revision Information168

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