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Chapter 7. CPL Communication Function
Application layer
The table below shows the configuration of the application layer.
Item Description
Command RS (read decimal format data from consecutive addresses)
WS (write decimal format data to consecutive addresses)
RD (read hexadecimal format data from consecutive addresses)
WD (write hexadecimal format data to consecutive addresses)
RU (read hexadecimal format data from random addresses)
WU (write hexadecimal format data to random addresses)
Data delimiter RS and WS commands: “,” (comma)
Other commands: None
Word address RS and WS commands: decimal value and “W” (e.g., 501W)
Other commands: hexadecimal value (e.g., 01F5)
Number of data
records to read
RS and WS commands: decimal value (e.g., 1)
Other commands: hexadecimal value (e.g., 0001)
Data RS and WS commands: decimal value (ex.: 100)
Other commands: hexadecimal value (e.g., 0064)
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