CAN-8123/CAN-8223/CAN-8423 user’s manual (Revision 3.00, May/22/2009) ------
159
about the input/output range of different analog I/O modules. In the following
paragraph, a simple example will be given. Please note that the hardware and
wire connection are the same as the situation used in the PDO example.
Step1: Users can send the NMT message to set the NMT operational state on
the 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
0 0 0 0 0 0 0 0 0 0 0
0
8
01 01 00
00
00 00 00
00
NMT master
NMT slave
(CAN-8123/CAN-8223/
CAN-8423)
cs
: 1
Node ID
: 1
Step 2. Users can send the SDO message to confirm the output range value of
the I-8024 AO channel 0.
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
40 06 20
01
00 00 00
00
SDO client
SDO server
(CAN-8123/CAN-8223/
CAN-8423)
ccs
: 2
m
: 06 20 01