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3
Communication Format
3.1
Type of Message
3.2
Content of Communication
HEF002-A6
The type of message can essentially be divided into the following categories.
Request
(From master)
Request to read
Request to write
Request to store
All codes, including STX and data (except for BCC), are expressed with ASCII code.
When the master is programmed, refer to page 3-9 "3.9 Identification Code List" and
"3.10 ASCII Code List".
The content that can be communicated is as follows:
1) Reading of measured temperature
2) Setting and reading of target temperature
3) Setting and reading of offset value
4) Storage of set value
5) Setting and reading of operation mode
[Tips]
All set values input by communication function are not stored. If they need to be
stored, send a request message to store them in accordance with page 3-2
" 3.3 Composition of Required Message (from master to the product)".
Communication Format
Response
(From this product)
Receipt check and data sending
Notice of writing completion
Notice of receiving error and its contents
Notice of storage
: Response to normally received "request message".
: Response to "request message" that has an error.
3-1
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