Azbil F4Q, User Manual

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Conventions Used in This Manual
Safety Precautions
The Role of This Manual
Copyright, licenses, and registered trademarks
Chapter 1. Overview
1-1
1 - 1 Overview 1-1
„ Features 1-1
„ System configuration 1-1
Chapter 2. Wiring
2-1
2 - 1 RS-485 Connection 2-1
2 - 2 Terminal Layout of This Device 2-2
Chapter 3. Settings
3-1
3 - 1 Communication Function Settings 3-1
3 - 2 Setup Method 3-2
Chapter 4. CPL Communication
4-1
4 - 1 Communication Procedure 4-1
4 - 2 Message Structure 4-2
„ Overview of a CPL Frame 4-2
„ Data link layer 4-3
„ Application layer 4-6
4 - 3 Description of Commands 4-7
„ RS command (decimal format consecutive data read) 4-7
„ RD command (hexadecimal format consecutive data read) 4-9
„ WS command (decimal format consecutive data write) 4-12
„ WD command (hexadecimal format consecutive data write) 4-14
4 - 4 Termination Code 4-16
4 - 5 Timing Specifications 4-17
„ Timing for response messages 4-17
„ RS-485 driver control timing 4-17
4 - 6 Character Code Table 4-18
Contents