Balluff BDG F NH Serie Konfigurationsanleitung Seite 51

Einleiten eines segmented SDO-Tranfer Schreibzugriffs:
ccs client command specifier
scs server command
specifier
n Indicates that bytes
[8-n,7] don't contain
segmented data
e Transfer type
s size indicator
m multiplexor
d data
X not used
reserved
Tabelle 8.27: Erläuterung der in Abbildung 8.7 verwendeten Abkürzungen
Das erste Segment wird gesendet:
00h
00000000b
600h+ID 8
ccs=0, t=0,
n=0, c=0
CAN-ID DLC Command
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Abbildung 8.7: Initiate SDO write
1 = initiate write (download) request
3 = initiate write (download) response
Only valid if e=1 and s=1, otherwise 0.
0 = segmented transfer
1 = expedited transfer
0 = data set size not indicated
1 = data set size indicated
index/sub index of data to be transferred
e=0, s=0 -> d is reserved.
e=0, s=1 -> d = number of bytes to be written.
e=1, s=1 -> d = data of length 4-n to be written.
e=1, s=0 -> d = unspecified number of bytes to be written.
always 0
reserved for further use, always 0
data data data
Object L Object H Sub-
Index
Tabelle 8.28: Erstes Segment senden
data data data
Byte0 Byte1 Byte2
data
Byte3
47