Festo SFC-LAC CO Series, Руководство пользователя

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C. Object directory DS204 and CI
C−44
Festo P.BE−SFC−LAC−CO−EN en 0708NH
Syntax Explanation
=", ?" Initial character for write or read commands
IIII Index in 4 hexadecimal digits (4H)
SS Subindex in 2 hexadecimal digits (2H)
If the addressed object does not have an indexed
parameter, subindex <00> will be specified.
:" Separating character
<Value> Data in a format depending on data type
<PS> Checksum in 2 hexadecimal digits (2H)
<CR> End character<Carriage Return> ($0D)
Tab.C/9: Syntax of a CI command/reply
<Value> The transferred value (1, 2 or 4 data bytes as hex number)
depends on the data type of the object to be read or written
(see section B.1 and C.2).
The following data types are supported:
Type Hex Format
UINT8 2H 8 bits without sign: 0
Ū
255
INT8 8 bits with sign: −128
Ū
127
UINT16 4H 16 bits without sign: 0
Ū
65535
INT16 16 bits with sign: −32768
Ū
32767
UINT32 8H 32 bits without sign: 0
Ū
(2
32
−1)
INT32 32 bits with sign: −2
31
Ū
+(2
31
−1)
V−string Sorresponds to the preset string
Tab.C/10: Data types