Siemens CP 1542SP-1 - Configuration in STEP 7

Configuration and operation
4.2 Configuration in STEP 7
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
42 Operating Instructions, 01/2017, C79000-G8976-C426-03
Protocol / function
Port number (pro-
tocol)
Default of the port
Port status
Authentication
DHCP
68 (UDP) Closed Open after configuration (while the
CP obtains a new address)
No
S7 and online
connections
102 (TCP) Open Open after configuration No
Online diagnos-
tics
(CP 1543SP-1)
8448 (TCP) Closed Open after configuration No
DNP3 listener
port
20000 (TCP/UDP)
can be set
Closed Open after configuration Yes, when Security is
enabled.
IEC listener port
2404 (TCP)
can be set
Closed Open after configuration No
SMTP
25 (TCP)
can be set
Closed Closed after configuration No
SSL/TLS
587 (TCP)
can be set
Closed Closed after configuration No
NTP
123 (TCP)
Closed
Closed after configuration
No
HTTP
80 (TCP)
Closed
Open after configuration
Yes
HTTPS
443 (TCP)
Closed
Open after configuration
Yes
SNMP
161 (UDP)
Open
Open after configuration
Yes (with SNMPv3)
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.