Festo Электромотор MTR-DCI User Manual
Page 329
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C. Reference – CANopen and CI objects
C-53
Festo P.BE-MTR-DCI-CO-EN en 1209a
Acc
1)
Command
2)
Reply
W
=IIIISS:<Value><CR>
2)
=IIIISS:<Value><PS><CR>
R
?IIIISS<CR>
2)
=IIIISS:<Value><PS><CR>
1)
Access: W = write, R = read
2)
Only with checksum checking enabled (object 20F3h,
see section C.3.4):
W:
=IIIISS:<Value><PS><CR>
R:
?IIIISS<PS><CR>
Tab. C/8: Syntax of a CI command/reply
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 para-
meter, 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: Elements of syntax of a CI command/reply
<Value>
The transferred value (1, 2 or 4 data bytes as hex digits)
depends on the data type of the object being read or written
(see overview in section C.1, Tab. C/1).
The following data types are supported:
Type
Hex
Format
UINT8
2H
8 bits without sign: 0 ... 255
INT8
8 bits with sign: -128 ... 127