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Mitsubishi Electric FX5 User Manual Page 188

Melsec iq-f series.
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Setting item
Conversion Unit
Double Word
■Data storage area configuration per one data
The following shows the data storage area configuration per one data.
Case of Conversion Unit is Word
Number of Decimals
No decimal Point/Fixed point
Data storage area
0H
Numeric data
In the decimal point position area, the decimal point position is set as follows.
Send/receive data (number of digits of
data is 10)
12345
1234.5
123.45
12.345
1.2345
Case of Conversion Unit is Double word
Number of Decimals
No decimal Point/Fixed point
Data storage area
0H
Numeric data
1H
In the decimal point position area, the decimal point position is set as follows.
Send/receive data (number of digits of
data is 10)
1234567890
123456789.0
12345678.90
1234567.890
1.234567890
■Range of value that can be used in the data storage area
The following table shows the range of value that can be used in the data storage area.
Conversion
HEX  ASCII decimal
ASCII decimal  HEX
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
186
6.7 Packet Setting
Number of Decimals
No Decimal point/Fixed point
Variable point
Numeric data
12345 (3039H)
12345 (3039H)
12345 (3039H)
12345 (3039H)
12345 (3039H)
(L)
(H)
Numeric data
1234567890 (499602D2H)
1234567890 (499602D2H)
1234567890 (499602D2H)
1234567890 (499602D2H)
1234567890 (499602D2H)
Sign
Conversion unit
Unsigned
Word
Double word
Signed
Word
Double word
Occupied size in data storage area per one data
2 words
4 words
Variable point
For Variable Point, the decimal point position is set in the data storage area.
Data storage area
0H
Numeric data
1H
Decimal point position
Decimal point position
1 (1H)
10 (0AH)
100 (64H)
1000 (3E8H)
10000 (2710H)
Variable point
For Variable Point, the decimal point position is set in the data storage area.
Data storage area
0H
Numeric data
1H
2H
Decimal point position
3H
Decimal point position
1 (1H)
10 (0AH)
100 (64H)
1000 (3E8H)
1000000000 (3B9ACA00H)
Range of value
0 to 65535 (0H to FFFFH)
0 to 4294967295 (0H to FFFFFFFFH)
-32768 to 32767 (8000H to FFFFH, 0H to 7FFFH)
-2147483648 to 214748364
(80000000H to FFFFFFFFH, 0H to 7FFFFFFFH)
(L)
(H)
(L)
(H)

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