Festo Контроллеры двигателя SFC-LAC - Manual (Page 343)

C. CI interface
C−7
Festo GDCP−SFC−LACI−DN−EN en 0812NH
Syntax of the read and write commands
Acc 1) Command Reply
W
W
2)
=IIIISS:<value><CR>
=IIIISS:<Value>
<PS><CR>
=IIIISS:<Value> <PS> <CR>
R
R
2)
?IIIISS<CR> 2)
?IIIISS <PS><CR>
=IIIISS:<Value> <PS> <CR>
1) Access: W = write, R = read
2) When checksum checking is activated (Object 20F3h)
Tab. C/2: Syntax of a CI command / CI reply
Syntax Explanation
=", ?" Initial character for write or read commands
IIII Index in 4 hexadecimal digits
SS Subindex in 2 hexadecimal digits
If the addressed object does not have subindices, <00>
is specified.
:" Separating character
<Value> Data in a format depending on data type
<PS> Checksum in 2 hexadecimal digits
<CR> End character <Carriage Return> ($0D)
Tab. C/3: Syntax elements of a CI command / CI reply