CAN-8x23 user’s manual (Revision 3.20, Ma r/08/2012) ------
121
Step 21. Users can send the SYNC message again.
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
0
0 0 1 0 0 0 0 0 0 0
0
0
00 00 00
00
00
00
00
00
SYNC
producer
SYNC consumer
(CAN-8x23)
SYNC
COB-ID
: 0x80
Step 22. Nothing happened because the DI values were not changed. This is
the main difference between transmission type 0 and 1. (Under the
transmission type 1, the TxPDO is always transmitted no matter whether the
DI values are changed or not, when the CAN-8423 receives the SYNC object.)