appendices
vacon • 45
24-hour s358 (0)40 837 1150 • Email: [email protected]
11
appendix b – sdo messages
Read Dictionary Object: SDO1 Rx
Master to Slave (1)
Header
Data
ID
RTR
Len
1
2
3
4
5
6
7
8
0x601
0
4
Command
Object Index
Sub- Index
D0 D1 D2 D3
Command
= 0x40
Command
aaabbbbb (= 0100 0000)
aaa = 010, Initiate upload request
Response: SDO1 Tx
Slave (1) to Master
Header
Data
ID
RTR
Len
1
2
3
4
5
6
7
8
0x581
0
8
Reply
Object Index
Sub- Index
D0 D1 D2
D3
Reply
= e.g. 0x43
Reply
aaabcces (= 0100 0011)
aaa
= 010
Initiate upload response
b
= 0
not used
cc
= 00
number of empty bytes ( that case answer consist of 4 bytes)
e
= 1
expedited transfer
s
= 1
data set size is indicated
Data
D0…D4
Write Dictionary Object: SDO1 Rx
Master to Slave (1)
Header
Data
ID
RTR
Len
1
2
3
4
5
6
7
8
0x601
0
8
Command
Object Index
Sub- Index
D0 D1 D2
D3
Command
= e.g. 0x2B
Command
aaabcces (= 0010 1011)
aaa
= 010
Initiate download request
b
= 0
not used
cc
= 00
number of empty bytes ( that case answer consist of 4 bytes)
e
= 1
expedited transfer
s
= 1
data set size is indicated
Data
D0…D4
Response: SDO1 Tx
Slave (1) to Master
Header
Data
ID
RTR
Len
1
2
3
4
5
6
7
8
0x581
0
4
Reply
Object Index
Sub- Index
D0 D1 D2
D3
Reply
= 0x60
Reply
aaabbbbb (= 0110 0000)
aaa
= 010
Initiate download response
bbbbb
= 0 0000 not used