STOBER
6 | What you should know before commissioning
02/2020 | ID 443025.06
19
6.2.2
Parameter types and data types
In addition to topic-based sorting in individual groups, all parameters belong to a certain data type and parameter type. The
data type of a parameter is displayed in the parameter list, properties table. The connections between parameter types,
data types and their value range can be found in the following table.
Type
Style
Value range (decimal)
INT8
Integer or selection
1 byte (signed)
-128 – 127
INT16
Integer
2 bytes (1 word, signed)
-32768 – 32767
INT32
Integer or position
4 bytes (1 word, unsigned)
-21474836480 – 2147483647
BOOL
Binary number
1 bit (internal:
LSB in 1 byte)
0, 1
BYTE
Binary number
1 byte (unsigned)
0 – 255
WORD
Binary number
2 bytes (1 word, unsigned)
0 – 65535
DWORD
Binary number or parameter
address
4 bytes (1 word, unsigned)
0 – 4294967295
REAL32
Floating-point number
Floating point (1 word,
unsigned)
In accordance with ANSI/
IEEE 754
STR8
Text
Text (8 characters)
–
STR16
Text
Text (16 characters)
–
STR80
Text
Text (80 characters)
–
Tab. 3: Parameters – Data types, styles, possible values
Parameter types – Use
§
Integer, floating-point number
For general computing processes
Example: Set and actual values
§
Selection
Numeric value to which a direct meaning is assigned
Example: Sources for signals or set values
§
Binary number
Bit-oriented parameter information that is collected in binary
Example: Control and status words
§
Position
Integer combined with associated units and decimal places
Example: Actual and set values of positions
§
Velocity, acceleration, deceleration, jerk
Floating-point number combined with the associated units and decimal places
Example: Actual and set values for velocity, acceleration, deceleration, jerk
§
Parameter address
Corresponds to the storage location of another parameter
Example: Indirect read sources for analog and digital outputs and for fieldbus mapping
§
Text
Outputs or messages
Example: Displays
