CAN-8x23 user’s manual (Revision 3.20, Ma r/08/2012) ------
95
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)
RTR
Data
Length
8-byte Data (byte)
Func Code
Node ID
10 9 8 7 6 5 4 3 2 1 0
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-8x23)
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)
RTR
Data
Length
8-byte Data (byte)
Func Code
Node ID
10 9 8 7 6 5 4 3 2 1 0
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-8x23)
scs
:
5
sc
:
0
s
:
0
ss
:
0
m
:
00 14 02
blksize
:
7F
