Chapter 15: Appendix

(2) FL-net header format

The FL-net header is 64 to 96 bytes long.

64 to 96 byes

Less than 1024 bytes

FL-net header

Cyclic/message data

Lower layer

 

 

FA link data

header

 

 

 

 

 

 

Less than 1500 byes

 

 

 

FL-net header

 

 

 

 

 

 

 

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

 

 

15

15-17