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Chapter 9: Message transfers
Note
The two-layer communication is possible only with the computer link to the module on the FL-net from
the host computer on the Ethernet via transit stations. Communication in the reverse direction, or the
computer link from the host computer on the FL-net to this module, is not possible.
Example: In the following example as shown in the diagram, the expansion header needs to be as
follows.
0
1
2
3
4
5
6
7
8
9
39
40
9
00
(H)
00
(H)
00
(H)
00
(H)
PDA = 05
(H)
PSA = 03
(H)
FT
= 60
0
(H)
PO
= 03
40 bytes
0
(H)
EA
= 10
1
(H)
FT
= 40
1
(H)
00
(H)
Command line
192.9.200.3
PSA 03
Ethernet
192.9.200.5
PDA
05
FL-net
9-44
PO
0
Slot 3
EA
1
20
(8)
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