Festo Электромотор MTR-DCI - Manual (Page 281)

C. The Command Interpreter (CI)
C-7
Festo P.BE-MTR-DCI-DN-EN en 1209a
Syntax Explanation
“=”, “?” Initial character for write or read commands
IIII Index as 4 hexadecimal digits
SS Subindex as 2 hexadecimal digits
If the addressed object does not have an indexed para-
meter, subindex <00> will be specified.
“:” Separating character
<Value> Data in a format determined by the data type
<PS> Checksum as 2 hexadecimal digits (see section C.1.3)
<CR> End character <Carriage Return> ($0D)
Tab. C/3: Elements of syntax of a CI command/response
Data type
The transmitted value (1, 2 or 4 data bytes as hex digits)
depends on the data type of the object to be read or written.
The following data types are supported:
Type Hex Format
UINT8 2H 8 bits without plus/minus sign: 0...255
INT8 8 bits with plus/minus sign: -128 ... 127
UINT16 4H 16 bits without plus/minus sign: 0 ... 65535
INT16 16 bits with plus/minus sign: -32768 ... 32767
UINT32 8H 32 bits without plus/minus sign: 0 ...(2 32 -1)
INT32 32 bits with plus/minus sign: -2 31 ... +(2 31 -1)
V-string corresponds to the preset string
Tab. C/4: Data types