Yokogawa EJX930A User Manual
Dpharp fieldbus communication type (ejx, A, eja
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Table of contents
Document Outline
- 1. Introduction
- 2. Handling Cautions
- 3. About Fieldbus
- 4. Getting Started
- 5. Configuration
- 6. Explanation of Basic Items
- 7. In-Process Operation
- 8. Device Information
- 9. Parameter Lists
- 10. General Specifications
- Appendix 1. Signal Characterizer (SC) Block
- Appendix 2. Integrator (IT) Block
- Appendix 3. Input Selector (IS) Block
- Appendix 4. Arithmetic (AR) Block
- Appendix 5. PID Block
- A5.1 Function Diagram
- A5.2 Functions of PID Block
- A5.3 Parameters of PID Block
- A5.4 PID Computation Details
- A5.5 Control Output
- A5.6 Direction of Control Action
- A5.7 Control Action Bypass
- A5.8 Feed-forward
- A5.9 Block Modes
- A5.10 Bumpless Transfer
- A5.11 Setpoint Limiters
- A5.12 External-output Tracking
- A5.13 Measured-value Tracking
- A5.14 Initialization and Manual Fallback (IMan)
- A5.15 Manual Fallback
- A5.16 Auto Fallback
- A5.17 Mode Shedding upon Computer Failure
- A5.18 Alarms
- A5.19 Example of Block Connections
- A5.20 View Object for PID Function Block
- Appendix 6. Link Master Functions
- Appendix 7. Software Download
- A7.1 Benefits of Software Download
- A7.2 Specifications
- A7.3 Preparations for Software Downloading
- A7.4 Software Download Sequence
- A7.5 Download Files
- A7.6 Steps after Activating a Field Device
- A7.7 Troubleshooting
- A7.8 Resource Block’s Parameters Relating to Software Download
- A7.9 System/Network Management VFD Parameters Relating to Software Download
- A7.10 Comments on System/Network Management VFD Parameters Relating to Software Download
- Appendix 8. Advanced Diagnostics
- A8.1 Multi-sensing Process Monitoring
- A8.2 Impulse Line Blockage Detection (ILBD)
- A8.2.1 Blockage Detection
- A8.2.2 Combination of Reference Result and Blockage Detection
- A8.2.3 Operating Parameters
- A8.2.4 Operating Procedure
- A8.2.5 Alarm and Alert Setting
- A8.2.6 Condition Check
- A8.2.7 Obtain Reference Values
- A8.2.8 Capability Test of Blockage Detection Operation
- A8.2.9 Start ILBD Operation
- A8.2.10 Tuning
- A8.2.11 Reset of Reference Value
- A8.2.12 ILBD Parameter Lists
- A8.2.13 Checklist
- A8.3 Heat Trace Monitoring
- Revision Information