Technical data

Table Of Contents
Open Communication via Industrial Ethernet
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
23-17
The following table shows the parameter entries in the DB relevant for passive
establishment of a connection by communications partner B:
Parameter Data -
Type
Value in Example Description
id WORD W#16#000F Reference to this connection
connection_type BYTE B#16#11 Connection type: TCP/IP native
active_est BOOL FALSE Passive connection establishment
local_device_id BYTE B#16#02 Communication via the integrated
Ethernet interface
local_tsap_id_len BYTE B#16#02 (only this value is
possible)
Length of parameter local_tsap_id
used
rem_staddr_len BYTE B#16#04 Length of address for the remote
connection transmission point:
4: valid IP address in parameter
rem_staddr
rem_tsap_id_len BYTE B#16#00 (only this value is
possible)
Length of parameter rem_tsap_id
used
local_tsap_id ARRAY
[1..16] of
BYTE
"2005"
local_tsap_id[1] = B#16#07
local_tsap_id[2] = B#16#D5
local_tsap_id[3-16] = irrelevant
Local port no.: 2005 = W#16#07D5
rem_staddr ARRAY
[1..6] of
BYTE
"192.168.3.142"
rem_staddr[1] = B#16#C0
(192)
rem_staddr[2] = B#16#A8
(168)
rem_staddr[3] = B#16#03 (3)
rem_staddr[4] = B#16#8E
(142)
rem_staddr[5-6] = irrelevant
IP address of the remote connection
transmission point