CAN-8123/CAN-8223/CAN-8423 user’s manual (Revision 3.00, May/22/2009) ------
161
Step 5. The CAN-8423 will reply with the input range. For example when the
I-87017 is under the default situation, and the value is 0, the input range of the
I-87017 AI channel 0 is -10V~+10V.
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
4F 07 20
01
00 00 00
00
SDO client
SDO server
(CAN-8123/CAN-8223/
CAN-8423)
scs
: 2
n
: 3
e
: 1
s
: 1
m
: 07 20 01
d
: 00 00 00 00
Because of the
n
=3, only the 4th byte is valid. Therefore, the feedback
value is 00.