Mitsubishi Melsec-L Series User Manual page 128

The following explains the configuration of the data storage area.
(Word)
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(a) When "Fixed Number of Data/Variable Number of Data" is "Fixed Number
of Data"
An area starting from the device number which is specified on the Element
setting screen is considered as the data storage area.
Specified device
(Word)
+0
Data storage area
+n
(b) When "Fixed Number of Data/Variable Number of Data" is "Variable
Number of Data"
An area starting from the device number which is specified on the Element
setting screen +1 is considered as the data storage area.
Specified device
+0
Data quantity storage area
+1
Data storage area
+n
(c) Occupied size in data storage area
The size occupied in the data storage area varies depending on the
settings of "Conversion Unit" and "Number of Digits of Data".
Setting item
Conversion Number of
Unit Decimals
No Decimal point
Word
(fixed point)
Variable point
No Decimal point
Double
(fixed point)
Word
Variable point
9 DATA COMMUNICATION USING THE PREDEFINED PROTOCOL
Send packet: Users store the send data
Receive packet: The C24 stores the receive data
Send packet: Users store the number of the send data
Receive packet: The C24 stores the number of the receive data
Send packet: Users store the send data
Receive packet: The C24 stores the receive data
Occupied size in
data storage area
per one data
1 word (d) Data storage area configuration 1)
2 words (d) Data storage area configuration 2)
2 words (d) Data storage area configuration 3)
4 words (d) Data storage area configuration 4)
Reference for data storage area
configuration
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