CAN-8x23 user’s manual (Revision 3.20, Ma r/08/2012) ------
113
Event Timer Functionality
Step 6. Users can use the SDO to change the event timer of the 2nd RxPDO to
1000, stored in index 0x1801 with sub-index 5. In addition, the value 1000
means 1 second according to the event timer is ms,
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
1
1 0 0 0 0 0 0 0 0 1
0
8
2B 00 18
05
E8
03
00
00
SDO client
SDO server
(CAN-8x23)
ccs
:
1
n
:
2
e
:
1
s
:
1
m
:
00 18 05
d
:
E8 03 00 00
The value 0x03E8 is equal to 1000. Because the
n
=2, the last two
bytes “00 00” is useless.
Step 7. The CAN-8423 will response the message to finish the data download.
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
1
0 1 1 0 0 0 0 0 0 1
0
8
60 00 18
05
00
00
00
00
SDO client
SDO server
(CAN-8x23)
scs
:
3
m
:
00 18 05