Specifications
7.3.2 MEWTOCOL7 Response Format
Response message
@
E
E
E
0
$
0
>
0
M
M
R
D
0
C
(1) Header (start code)
(2) Station no. of the receiver
Response code (normal status: $, abnormal status: !)
Command code value
(3) Frame No.
Command name (data area read)
(4) Text (to be specified in accordance
with the type of command)
(5) Check code
(16bit CRC (CCITT) )
(6)
Terminator
(end code)
Data (normal status: read data, abnormal
status: error code)
R
(1) Header (start code)
A “>” (ASCII code: H3E) must be at the beginning of a message.
The response must start with the same header (start code).
(2) Station no.
This is the station no. of the PLC that processed the command.
(3) Frame No.
This is the frame number where the command was processed.
(4) Text
The content of this varies depending on the type of command. If the processing is not
completed successfully, an error code will be stored here, so that the content of the error can
be checked.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
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