Festo Электромотор MTR-DCI - Manual (Page 331)

C. Reference – CANopen and CI objects
C-55
Festo P.BE-MTR-DCI-CO-EN en 1209a
Example: UINT8
Dec 26
Hex 1 A
Bin 0 0 0 1 1 0 1 0
b7 b6 b5 b4 b3 b2 b1 b0
Tetrad T
4
T
0
Checksum The checksum is formed from the sum of all transmitted asc
(char) characters and shortened to 1 byte (modulo 256).
The other station must compare the sent command with the
“echo” from the controller and process the checksum.
Checksum
Syntax IIIISS:
Format 2 hexadecimal digits
Type UINT8
Tab. C/11: Checksum
Object 2FF0 Transmission error between host (PC) and target device,
e. g. due to error in host command:
– Incorrect starting, separating or empty character,
– Incorrect hex figure,
– Incorrect value type.
Name Class IIII SS Type Acc
communication_
error Var 2FF0 00 UINT16 R