ICP CON I-7550E, Руководство пользователя, Страница: 22 / 102

I-7550E PROFIBUS/Ethernet Converter User Manual
(Version 1.00, June/2014)
PAGE: 22
Ethernet FIFO
(Maximum)
64KBytes
TCP/UDP Client/Server
devices( Maximum 8)
Connection ID 1
Connection ID 2
Connection ID 3
ID 1
ID 1
ID 1
ID 1
ID 2
ID 2
ID 2
ID 2
ID 3
ID 3
ID 3
P
R
O
F
IB
U
S
Input Data
(Max:240 Bytes)
Byte 0
Byte 239
.
.
.
.
.
.
.
.
.
ID 2
Circular
Byte 19
System
setting
module
Figure 20 Data flow of Ethernet (2)

Partition Method
When the size of data is over configured Input Data length, the I-7550E will
partition this data into several packages. In every data exchange cycle, the I-
7550E puts 1 partition package into PROFIBUS Input Data area. After all of
the packages are done, the I-7550E will process next data from Ethernet
device as shown
Figure 21 and Figure 22 .
Ethernet data with
1460 Bytes
PR
OF
IB
US
Input Data
(Max:240 Bytes)
Byte 0
Byte 239
.
.
.
.
.
.
.
.
.
1
st
Package
Circular
Byte 19
System
setting
module
1
st
Package
2
nd
Package
3
rd
Package
4
th
Package
5
th
Package
6
th
Package
7
th
Package
Figure 21 Partition Data of Ethernet device (1)