Panasonic LightPix AE20 User Manual page 115

The format used for Command/Response Message
Each item
Name
Header
Receiver/Sender
Text Command
Response:
Normal
Response:
Error
Error code
Block Check code
Terminator
Specified Range
character of
(ASCII values
code)/Data
% (25H) ---
or
< (3CH)
2-digit decimal 01 to 99
# (23H) ---
$ (24H) ---
! (21H) ---
2-digit 00 ~ FF
hexadecimal
2-digit 00 to FF
hexadecimal
C
---
(0DH)
R
Description
Beginning of a message
•
%: Number of characters between a header
and a terminal code is less than 118.
•
<: Number of characters between a header and
a terminal code is within the range from119 to
2048.
In command messages and response messages, the
unit (station) No. of the LightPixAE20 receiving the
command, message and sending the response
message are shown respectively.
Indicates a command message
Indicates a normal response message
Indicates a response message when an error occurred
Displays the details of the error when it occurred
Detects an error in transmission data
If you replace a block check code with two asterisks
marks, a message can be transmitted without BBC.
Even in this case, the LightPix returns BBC.
End of the message
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