Siemens NCM S7 Manual De Usuario
Programmed Communication Connections
154
SIMATIC NET NCM S7 for Industrial Ethernet
Release 6/2003
C79000–G8976–C129–07
5.5.2
Parameter Field for a UDP Connection
Structure
Subfield 1
Subfield n
Subfield 2
ID = connection ID
Type = 2
No_of_subfields = n
Freely assignable connection reference;
must be specified in AG_SEND / AG_RECV.
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
Identifier for the connection type
Usable Subfields
Table 5-3
Subfield
Parameter
ID
Type
*)
Special Features / Notes
(Please refer also to the general
description in Table 5-7 Page 159)
Use
( mandatory
/ optional)
1
SUB_IP_V4
IP address of the partner
m
9
SUB_LOC_PORT
–
m
10
SUB_REM_PORT
–
m
18
SUB_CONNECT_NAME
–
o
19
SUB_LOC_MODE
–
o
21
SUB_KBUS_ADR
This value is always set to 0 for CPs for the
S7-300 and does not need to be specified.
S7-300 and does not need to be specified.
m (for
S7-400)
S7-400)
22
SUB_CON_ESTABL
–
m
23
SUB_ADDR_IN_DATABLO
CK
CK
If the “Free UDP connection” is selected for
this parameter, the parameters
SUB_IP_V4, SUB_LOC_PORT,
SUB_REM_PORT are omitted.
this parameter, the parameters
SUB_IP_V4, SUB_LOC_PORT,
SUB_REM_PORT are omitted.
o
*) The general properties of the subfield types are described below in Section 5.6.
Note
Please read the description of the configurable connection properties for the for
the UDP connection in Section 4.7!
the UDP connection in Section 4.7!