Data Types And Data Format; Float; Word; Byte - PRONOVA SSM 6000 User Manual

Description
PROFIBUS interface
3.6

Data types and data format

The data transmitted via the Profibus is assigned to specific data types which, for their part, are stored in a specific data format.
3.6.1

FLOAT

The "float" data type is transmitted as a 32-bit float value. 4 data bytes are required for this purpose. The bytes are stored as follows:
Example:
Float value:
Hexadecimal notation (IEEE-574)
Profibus SSM6000 data format
3.6.2

WORD

The "WORD" data type is transmitted as a 16-bit value. 2 data bytes are required for this purpose. The bytes are stored as follows:
Example:
Float value:
Hexadecimal notation
Profibus SSM6000 data format
3.6.3

BYTE

The "BYTE" data type is transmitted as an 8-bit value. 1 data byte is required for this purpose.
:GA-Profibus_060105-EN-pro.doc
1234.56
Byte1 Byte2
44 9A
h h
Byte1 Byte2
9A 44
h h
1234
h
Byte1 Byte2
12 34
h h
Byte1 Byte2
34 12
h h
Page 11 of 15
Byte3 Byte4
51 EC
h h
Byte3 Byte4
EC 51
h h
05.01.2006