Specifications
(5) Check code
• This is a CRC (Cyclic Redundancy Check) to detect errors using a generating polynomial of
hamming codes.
• The CRC should be created so that it targets all of the text data from the header to the last
text character.
• CRC is a value given by replacing the result of calculation by CRC-16-CCITT with ASCII
codes. It is normally part of the calculation program and is created automatically.
(6) Terminator (end code)
Messages must always end with a “CR” (ASCII code: H0D).
• The method for writing text segments in the message varies depending on
the type of command.
• When the message to be sent contains a large number of characters, send
the command divided in several times.
• When the message contains a large number of characters, the response is
sent divided in several times.
• In MEWTOCOL7 command, up to 4096 characters can be sent/received in a
single frame.
No. of characters that can be sent in
1 frame
Max. 4096 characters
8-12
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