CAN-8123/CAN-8223/CAN-8423 user’s manual (Revision 3.00, May/22/2009) ------
164
Step 9. Users can send the Rx SDO message to the CAN-8423 to access the
object entry with index 0x1400 and sub-index 02 stored in the communication
profile area. Here, users can also change the value of this object entry to 5. For
example, the node ID for the CAN-8423 is set to 1.
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
2F 07 20
01
01 00 00
00
SDO client
SDO server
(CAN-8123/CAN-8223/
CAN-8423)
ccs
: 1
n
: 3
e
: 1
s
: 1
m
: 07 20 01
d
: 01 00 00 00
Step 10. The CAN-8423 will reply with the message to finish the data download.
Then, users can use upload methods mentioned before to read back the value
for confirmation.
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
60 07 20
01
00 00 00
00
SDO client
SDO server
(CAN-8123/CAN-8223/
CAN-8423)
scs
: 3
m
: 07 20 01