Panasonic A230, Руководство пользователя

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Communications (Serial and Parallel) OCR Type A230
16 − 64
16.11 Computer Link
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The basic format for the command to write to the PLC is as follows.
Command:
Response:
%EE#WDD000010000212345678
%EE$WDBCC
**
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Fixed unit No.
Write command
Data code
Start register
End register
Data
Ignore BCC specification
(Command receive complete)
As the maximum number of bytes for one PLC frame is 118, when the
amount of data (number of words) to be written exceeds 24, the format for
the command is as follows.
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**
%EE#WDD00015000781234........5678
%EE26data block
%EEBCC
&
** &
&
%EEBCC
%EE14data block** &
%EE$WDBCC
C
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C
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C
R
C
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%EE#RDD0000100001**
%EE$RD1234BCC
C
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Write to PLC command
Read from PLC command
Data
Example:
To write 64 words starting from the data register number 15.
Command:
Data 1 Data 24
Delimiter
(first time)
Response:
(transmit request)
Command: (second time)
Response:
Command:
Response:
(third time)
(command receive complete)
(transmit request)
Use the following command to read from the PLC.
Command:
Fixed unit No.
Read command
Data code
Start register
End register
Ignore BCC specification
Response:
Query data (reversal of upper and lower positions is required)
(command receive complete)
C
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