Azbil AUR355 - Application Layer Commands and Data

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Chapter 4. Communication
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Application layer
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Configuration of application layer
The table below shows the configuration of the application layer.
Item Description
Command RS (decimal format continuous address data read command)
WS (decimal format continuous address data write command)
RD (hex format continuous address data read command)
WD (hex format continuous address data write command)
RU (hex format random address data read command)
WU (hex format random address data write command)
Data delimiter RS, WS : “,” (comma)
RD, WD, RU, WU : (none)
Word address RS, WS : “501 W,” etc.
RD, WD, RU, WU : “01F5,” etc.
Read count A number expressed as a character (e.g., “1”)
Number to write RS, WS : Expressed in characters, like “100”
RD, WD, RU, WU : A hexadecimal expression like “0064”
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Number of data words accessible by a single frame
Type Description of commands Data count
RS Read command in decimal format 16 words
WS Write command in decimal format 16 words
RD Read command in hexadecimal format 16 words
WD Write command in hexadecimal format 16 words
RU Random read command in hexadecimal format 16 words
WU Random write command in hexadecimal format 16 words