Panasonic AF7CPS Series, User Manual

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7.3 MEWTOCOL7-COM Format
7-9
(5) Check code

This is a CRC (Cyclic Redundancy Check) to detect errors using a generating polynomial of
hamming codes.

This 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
code. 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).
KEY POINTS

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.
Type of
header No. of characters that can be
sent in 1 frame
＞
Max. 4096 characters