
CAN-8123/CAN-8223/CAN-8423 user’s manual (Revision 3.00, May/22/2009) ------
93
Step 1. When the Initiate SDO Block Download protocol is carried out, the
CAN-8423 will be informed with the value of the object entry with index 0x1400
and sub-index 02 modified by the method of the SDO Block Download,
11-bit COB-ID (bit)
Func Code
Node ID
8-byte Data (byte)
10 9 8 7 6 5 4 3 2 1 0
RTR
Data
Length
0
1
2
3 4 5 6 7
1 1 0 0 0 0 0 0 0 0 1
0
8
C0 00 14
02
00 00 00
00
SDO client
SDO server
(CAN-8123/CAN-8223/
CAN-8423)
ccs
: 6
cc
: 0
s
: 0
cs
: 0
m
: 00 14 02
size
: 00 00 00 00
Because the value of
s
is 0, the
size
is not used.
Step 2. The CAN-8423 will reply to the message by using the Initiate SDO
Block Download protocol. Then, the SDO client will download the object‘s data
with index 0x1400 and sub-index 02 to CAN-8423.
11-bit COB-ID (bit)
Func Code
Node ID
8-byte Data (byte)
10 9 8 7 6 5 4 3 2 1 0
RTR
Data
Length
0
1
2
3 4 5 6 7
1 0 1 1 0 0 0 0 0 0 1
0
8
A0 00 14
02
7F 00 00
00
SDO client
SDO server
(CAN-8123/CAN-8223/
CAN-8423)
scs
: 5
sc
: 0
s
: 0
ss
: 0
m
: 00 14 02
blksize
: 7F
Step 3. The SDO client will transmit the data of the object entry index 0x1400