(2) FL-net header format
The FL-net header is 64 to 96 bytes long.
Lower layer
An FL-net header is added to every frame, to comply with the FL-net protocol.
[9] FL-net transaction code
The FL-net provides the following services with the message transmission service.
Message transmission service
No. Message transmission service of the FL-net
1
Read byte-block data
2
Write byte-block data
3
Read word-block data
4
Write word-block data
5
Read network parameters
6
Write network parameters
7
Stop commands
8
Run commands
9
Read profile
10 Read log data
11 Clear log data
13 Return message
14 Transfer transmission message
64 to 96 byes
FL-net header
header
Less than 1500 byes
FL-net header
15-17
Less than 1024 bytes
Cyclic/message data
FA link data
Chapter 15: Appendix
15