Siemens SIMATIC NET S7-300 Manual page 171

6.5.1 Parameter Field for TCP Connection
Structure
Usable Subfields
Table 6-5
Subfield
ID
1 SUB_IP_V4
9 SUB_LOC_PORT
10 SUB_REM_PORT
18 SUB_CONNECT_NAME
19 SUB_LOC_MODE
21 SUB_KBUS_ADR
22 SUB_CON_ESTABL
*) The general properties of the subfield types are described below in Section 6.6.
**) Option using passive connection
Note
Please read the description of the configurable connection properties for the TCP
connection in Section 5.6!
S7-CPs for Industrial Ethernet Configuring and Commissioning
Release 01/2007
C79000-G8976-C182-07
Type = 1
ID = connection ID
No_of_subfields = n
Subfield 1
Subfield 2
Subfield n
*)
Type
(Please refer also to the general
description in Table 6-10 Page A -177)
IP address of the partner
-
-
-
-
This value is always set to 2 for CPs for the
S7-300 and does not need to be specified.
-
6 Programmed Communication Connections
Identifier for the connection type
Freely assignable connection reference;
must be specified in AG_SEND / AG_RECV.
Range of values for the connection ID:
S
S7-400: 1,2 through 64
S
S7-300: 1,2 through 16
Parameter
Special Features / Notes Use
(mandatory /
optional)
**)
m
m
**)
m
o
o
m (for S7-400)
m
A -171