To Next Page

To Previous Page

A3-7

IM 01F06F00-01EN

LCD

Display

Alarm Detail DI1 Block DI2 Block PID Block IT Block AR Block

AlarmReset

SW* (default)

AL-23

AI1 in O/S

Mode

(AL-23)

Provided

(ON)

AL-24

AI2 in O/S

Mode

(AL-24)

Provided

(OFF)

AL-25

DI1 in O/S

Mode

(AL-25)

<BLOCK_ERR>

Out of Service

Provided

(OFF)

<OUT_D.Status>

(OFF)

Bad-Out of Service

AL-26

DI2 in O/S

Mode

(AL-26)

<BLOCK_ERR>

Out of Service

Provided

(OFF)

<OUT_D.Status>

Bad-Out of Service

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

Brand	YOKOGAWA
Model	digitalYEWFLO Series
Category	Measuring Instruments
Language	English

YOKOGAWA digitalYEWFLO Series User Manual

Table of Contents

Questions and Answers:

YOKOGAWA digitalYEWFLO Series Specifications

Related product manuals