CAN-8x23 user’s manual (Revision 3.20, Ma r/08/2012) ------
125
Step 28. Users can change the DO value of the I-8057 to be 0x1234 by using
the first RxPDO.
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
1 0 0 0 0 0 0 0 0 1
0
8
34 12 00
00
00
00
00
00
PDO
producer
PDO consumer
(CAN-8x23)
COB-ID
: 0x201
L
: 8
PDO-msg
: 34 12 00 00 00 00 00 00
Step 29. The fist TxPDO will not be transmitted immediately according to the
transmission type 252. Meanwhile, it will send the RTR message of the first
TxPDO.
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 1 1 0 0 0 0 0 0 1
1
0
00 00 00
00
00
00
00
00
PDO
consumer
PDO producer
(CAN-8x23)
COB-ID
: 0x181