Mitsubishi MELSEC LJ71C24, Руководство пользователя

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9 DATA COMMUNICATION USING THE PREDEFINED PROTOCOL
Item Description Remark
1 to 10
Set the number of digits per one send and receive
data.
When the number of digits of data is less than the
specified number of digits, upper digits are filled
with blank-padded characters.
-
Number of Digits of
Data
Variable Number of
Digits
When sending: Sends only the data division
converted to an ASCII string in
variable length.
When receiving: Receives only an ASCII string of
the data division in variable
length.
When the maximum data length
is set to 2 or greater, blank-
padded characters are required. -
Blank-padded
Character
0/Space
Select a character used to fill upper digits when
"Number of Digits of Data" is not "Variable
Number of Digits" and the number of digits of
send/receive data is less than the specified
number of digits.
-
Conversion Unit
Select how many words are manipulated as one data in the data storage
area.
For 'Word', converts data manipulating one word as one data.
For 'Double word', converts data manipulating two words as one data.
-
Sign Unsigned/Signed
Select whether to add signs to date in the data
storage area. This item can be set when
"Conversion" is "HEX ASCII Decimal" or "ASCII
Decimal HEX".
-
Sign Character None/+/0/Space
Select the sign character for positive value on line.
This item can be set when "Conversion" is "HEX
ASCII Decimal" or "ASCII Decimal HEX",
and "Sign" is "Signed".
The sign character for negative value is fixed to "-
".
-
Number of Decimals
No Decimal Point/
Variable Point/
1 to 9 Select the decimal point position of data on line.
This item can be set when "Conversion" is "HEX
ASCII Decimal" or "ASCII Decimal HEX".
-
Delimiter
No Delimiter/
Comma/
Space Select the delimiter inserted after one data.
A delimiter is not added to the end of data when
the number of data is 2 or more.
-
Data Storage Area
Specification
Specify a starting device to store variable value. -