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Conventions Used in This Manual
Safety Precautions
Chapter 1. Overview
1
1 - 1 Overview
1
Features 1
Communication functions 1
Chapter 2. Wiring 3
RS-485 communication 3
Loader communication 5
Chapter 3. Communication Settings 6
Device address 6
Transmission speed 6
Data format 6
Chapter 4. Communication 7
4 - 1 Overview of Communication
7
Communication procedure 7
Message structure 7
Data link layer 7
Application layer 10
4 - 2 Numerical Representation in the Application Layer 11
RS, WS commands 11
RD, WD, RU, WU commands 11
4 - 3 List of End Codes 12
End codes for the read command 12
End codes for the write command 12
4 - 4 Timing Specifications 13
Timing specifications for command and response messages 13
4 - 5 Description of Commands 14
Consecutive data read command (RS command) 14
Continuous data write command (WS command) 16
Fixed length consecutive data read command (RD command) 18
Fixed length continuous data write command (WD command) 20
Fixed length random data read command (RU command) 22
Fixed length random data write command (WU command) 23
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