Data Formats - Evoqua WALLACE & TIERNAN SFC fieldbus Manual

SFC fieldbus module retrofit set
Data Size
type (bits)
INT8 8 (Signed) character, byte
UINT8 8 Unsigned char, byte
INT16 16 (Signed) integer, word
UINT16 16 Unsigned integer, word
LONG 32 (Signed) long, double
word, DWORD
ULONG 32 Unsigned long, double
word, DWORD
FLOAT 32 Float, real, floating point
*1
(8/23)
ASCII n * 8 ASCII, string, character
string
3.5

Data formats

3.5.1 Summary of data types
The table below lists the data formats used to transmit the process
data:
Typically called
*1
Exponent/mantissa
The byte order in the various data types saved in or transferred to
the memory is described in the following chapters.
Description
Value range
Signed
min
Yes -128
No 0
Yes -32.768
No 0
Yes -2.147.483.648
No 0
Yes -38
3.4*10
-38
(-3.4*10 )
No
3.
max
127
255
32.767
65.535
2.147.483.647
4.294.967.295
38
3.4*10
38
(-3.4*10 )
51