
3 Protocol description
15-04-2016 23 7000.05052
Tab. 19: Response SDO Block Download End (Slave to Master)
Byte
Contents
Description
1
5
User data length 5 bytes
2
Node number
Node number
3
0x0D
Command SDO Block Write End
4
Ack Sequ
Sequential number received
5
CRC
Check sum
If AckSeq = 0, segment transmitted was not received correctly and the segment must
be sent again.
If a processing error occurs at the controller an SDO error response to chap. 3.3.1.2,
p. 17 (e.g. timeout) is sent.
If the block transmission is aborted by the master, an abort SDO transfer telegram is
signalled (see chap. 3.3.3, p. 23).
Tab. 20: Response
Byte
Contents
Description
1
7
User data length 7 bytes
2
Node number
Node number
3
0x03
Command SDO Error
4
Index LB
Index of the object entry LB
5
Index HB
Index of the object entry HB
6
Sub-index
Sub-index of the object entry
7
CRC
Check sum
3.3.3
SDO error handling
SDO error message
Tab. 21: Error response
Byte
Contents
Description
1
11
User data length 11 bytes
2
Node number
Node number
3
0x03
Command SDO Error
4
Index LB
Index of the object entry LB
5
Index HB
Index of the object entry HB
6
Sub-index
Sub-index of the object entry
7
Error0
Additional error code LB (see Tab. 23, p. 24)
8
Error1
Additional error code HB (see Tab. 23, p. 24)
9
Error2
Error code (see Tab. 23, p. 24)
10
Error3
Error class (see Tab. 23, p. 24)
11
CRC
Check sum