STÖBER
9 | More about CANopen?
09/2019 | ID 442637.01
41
Download SDO Segment Protocol
x
scs=1
t
c
Byte
Bit
0
7...5
4
3...1
0
Master
Slave
ccs=0
n
seg-data
t
Byte
Bit
0
7...5
4
3...5
reserved
ccs
Client command specifier
0 = Download segment request
scs
Server command specifier
1 = Download segment response
n
Number of bytes
Number of bytes in "Segment data" that contain no usable
data.
n = 0: No information about unused data
seg-data
Segment data
7 bytes of usable data
c
Continue
§
0 = More segments follow
§
1 = Last segment
t
Toggle bit
t = 0 for segment 1; must change for each segment.
Identical values for request and response.
x
Unused
x = 0