Siemens SIMATIC NET S7-300 Manual page 168

6 Programmed Communication Connections
6.4 Parameter Field for System Data
(CP Networking)
Meaning
Below, you can see the subfields that are relevant for networking the CP. These
must be specified in the parameter field for system data.
Some applications do not require all the subfield types - refer to the table for
details.
Structure
Usable Subfields
Table 6-4
Subfield
ID
1 SUB_IP_V4
2 SUB_NETMASK
8 SUB_DEF_ROUTER
4 SUB_DNS_SERV_ADDR
14 SUB_DHCP_ENABLE
15 SUB_CLIENT_ID
*) The general properties of the subfield types are described below in Section 6.6.
A -168
Type = 0
ID = 0
Number of subfields = n
Subfield 1
Subfield 2
Subfield n
*)
Type
(Please refer also to the general
description in Table 6-10 Page A -177)
Local IP address
-
-
This subfield can occur from 0 to 4 times.
The first entry is the primary DNS server.
0: No DHCP
1: DHCP
-
S7-CPs for Industrial Ethernet Configuring and Commissioning
Parameter
Special Features / Notes Use
( mandatory
/ optional)
m
m
m
o
o
o
Release 01/2007
C79000-G8976-C182-07