Balluff BDG F-NH Series, Руководство по настройке

Страница: 51 / 130

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