90 • CANopen
Network
Communication
WAGO-I/O-SYSTEM
750
CANopen
seg-data:
Contains the data to be
transmitted.
The meaning of the data is determined by the
application.
n:
Displays the number of bytes which do not con-
tain data. Bytes [8-n, 7] do not contained data.
N is 0 if no segment size is displayed.
X:
Not used, always 0
reserved:
Reserved for further use of CiA
4.3.1.2.1.4 Abort SDO Transfer
This protocol is used in the event of errors occurring during transmission.
Client
Abord SDO Transfer
Data
cs = 4
x
m
request
indication
0
.0
.7
.6
.5
.4
.3
.2
.1
1
4
8
Server
Fig. 4-8: Abort SDO Transfer
g012412x
cs:
command specifier
4: abort domain transfer
m:
multiplexor
Index and Sub-Index of Object directory:
X:
Not used, always 0
Data
4 Byte Error Code
Application specific data about the reasons for
the abort.
Supported Abort Domain Transfer Messages
Structure:
Byte
Meaning
0
Command Specifier; 0x80
1
2
Index
3 SubIdx
4
5
Additional Code
6 Error
Code
7 Error
Class