Configuration and operation
4.2 Configuration in STEP 7
Protocol / function Port number (pro-
tocol)
DHCP
68 (UDP)
S7 and online
102 (TCP)
connections
Online diagnos-
8448 (TCP)
tics
(CP 1543SP-1)
DNP3 listener
20000 (TCP/UDP)
port
can be set
IEC listener port
2404 (TCP)
can be set
SMTP
25 (TCP)
can be set
SSL/TLS
587 (TCP)
can be set
NTP
123 (TCP)
HTTP
80 (TCP)
HTTPS
443 (TCP)
SNMP
161 (UDP)
4.2
Configuration in STEP 7
Configuration in STEP 7
You configure the modules and networks in SIMATIC STEP 7. You will find the required
version in the section Software requirements (Page 20). You can configure a maximum of
two CP 154xSP-1 for an ET 200SP.
You will find comprehensive information on configuration in the Information system of
STEP 7 and in the following sections.
Overview of configuration of the CP
Follow the steps below when configuring:
1. Create a STEP 7 project.
2. Insert the required SIMATIC stations.
3. Insert the CPs and the required input and output modules in the stations.
4. Create an Ethernet network.
5. Connect the stations to the Ethernet subnet.
6. Configure the inserted CPs.
42
Default of the port
Port status
Closed
Open after configuration (while the
CP obtains a new address)
Open
Open after configuration
Closed
Open after configuration
Closed
Open after configuration
Closed
Open after configuration
Closed
Closed after configuration
Closed
Closed after configuration
Closed
Closed after configuration
Closed
Open after configuration
Closed
Open after configuration
Open
Open after configuration
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
Operating Instructions, 01/2017, C79000-G8976-C426-03
Authentication
No
No
No
Yes, when Security is
enabled.
No
No
No
No
Yes
Yes
Yes (with SNMPv3)
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