WAGO -I/O-SYSTEM 750 Technical Description page 91

Modular i/o system canopen
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Via Additional Code, Error Code and Error Class the following Errors are
coded as UNSIGNED32:
Byte 7
Additional
05
05
05
05
05
05
05
06
06
06
06
06
06
06
06
06
06
06
06
06
06
06
06
06
08
08
08
08
08
4.3.1.2.2 SDO Examples
The following are 4 SDO examples, the data is being displayed in hexadeci-
mal. These examples show the handling of SDOs on the CAN message level
and can be used if the SDO protocol is to be implemented on a CAN card.
A message is subdivided into 4 columns:
1. column
2. column
3. column
WAGO-I/O-SYSTEM 750
CANopen
6
Byte 5
Byte 4
Error
Error
Code
Code
Class
03
00
00
04
00
00
04
00
01
04
00
02
04
00
03
04
00
04
04
00
05
01
00
00
01
00
01
01
00
02
02
00
00
04
00
41
04
00
42
04
00
43
04
00
47
06
00
00
07
00
10
07
00
12
07
00
13
09
00
11
09
00
30
09
00
31
09
00
32
09
00
36
00
00
00
00
00
20
00
00
21
00
00
22
00
00
23
Direction
CAN Identifier
Frame Type
Meaning
Toggle bit not alternated
SDO protocol timed out
Client/server command specifier not valid or unknown
Invalid block size (block mode only)
Invalid sequence number (block mode only)
CRC error (block mode only)
Out of memory
Unsupported access to an object
Attempt to read a write only object
Attempt to write a read only object
Object does not exist in the object dictionary
Object cannot be mapped to the PDO
The number and length of the objects to be mapped would exceed
PDO length
General parameter incompatibility reason
General internal incompatibility in the device
Access failed due to an hardware error
Data type does not match, length of service parameter does not
match
Data type does not match, length of service parameter too high
Data type does not match, length of service parameter too low
Sub-index does not exist
Value range of parameter exceeded (only for write access)
Value of parameter written too high
Value of parameter written too low
Maximum value is less than minimum value
general error
Data cannot be transferred or stored to the application
Data cannot be transferred or stored to the application because of
local control
Data cannot be transferred or stored to the application because of
the present device state
Object dictionary dynamic generation fails or no object dictionary is
present (e.g. object dictionary is generated from file and generation
fails because of an file error)
M->BC = message is sent by the master to the bus coupler.
BC->M = message is sent by the bus coupler to the master.
D = Data frame
R = RTR frame
CANopen
Network Communication
• 91

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