Overview
The SIMATIC CP 1543-1 communications processor securely connects the SIMATIC S7-1500 PLC to Industrial Ethernet networks. By combining a variety of security features such as stateful packet inspection firewalls and VPNs, and data encryption protocols such as FTPS and SNMPv3, the communications processor protects individual S7-1500 stations or even entire automation cells against unauthorized access.
The CP can also be used for integrating the S7-1500 station into an IPv6-based network. All functions are configured by means of STEP 7 Professional V12 (TIA Portal) or higher.
The CP 1543-1 supports the following communications services:
- PG/OP communication
- S7 communication
- Open user communication (SEND/RECEIVE, FETCH/WRITE)
- IT communication
- FTP functions (File Transfer Protocol FTP/FTPS) for file management and access to data blocks in the CPU (client and server function)
- Access (read and write modes) to csv files stored on the memory card of the CPU via FTP(S)
- Sending emails via SMTP or ESMTP with “SMTP-Auth” for authentication on an email server (also with IPv6)
- Static IP routing with up to 1 Mbps via IPv4 to other CPĀ 1543-1/CMĀ 1542-1 units in an S7-1500 system, e.g. for web server access without real-time capability
- Security Integrated
- Stateful Packet Inspection Firewall
- Secure communication via VPN (IPsec)
- Network authentication according to IEEE 802.1X using the EAP methods MD5, TLS, PEAP, TTLS, MSCHAPv2 or PWD
- Protocols for secure communication
- Secure access to the web server of the CPU via the HTTPS protocol
- Secure file transfer using FTPS
- Secure time of day transfer (NTP)
- SNMPv3 for tap-proof transfer of network analysis information
- Encrypted email communication via SMTPS (Port 587)
- Secure open communication over TCP/IP
- Connection to SINEMA Remote Connect via OpenVPN
- Integration of the S7-1500 into IPv6-based networks;
An IPv6-compliant IP address can be used for the following communications services:- FETCH/WRITE access (CP as server)
- FTP server mode
- FTP client mode with addressing via program block
- Email transfer with addressing via program block
Benefits
- Reachability of the SIMATIC S7-1500 station from an IPv6-based infrastructure
- Optimum maintenance support thanks to:
- Simple diagnostics via the central web server
- Remote programming via LAN
- Monitoring with IT network management tools (SNMP)
- Module replacement without a PG
- Securing the system against unauthorized access with
- Central access protection for any S7 station
- Secure access to the central web server
- Network segmentation and network separation for setting up identical machines with the same IP addresses
- Simple alerting by e-mail and transfer of production data to master computer using FTP
- Protection of investment thanks to simple integration of the SIMATIC S7-1500 system in existing networks with SIMATIC S7-300 / S7-400 / S5 via Industrial Ethernet using the CP 1543-1
Application
The CP 1543-1 is used to connect the SIMATIC S7-1500 to Industrial Ethernet networks. With its own processor, it relieves the CPU of communications tasks and facilitates additional connections.
The CP 1543-1 provides communication options with:
- PGs/PCs,
- master computers
- operator control and monitoring systems,
- other SIMATIC S5/S7 systems.
This can be used to protect the SIMATIC S7-1500 from unauthorized access from an Ethernet network. The CPĀ 1543-1 allows safe remote access via a LAN and allows data transfer between devices or network segments to be protected from data manipulation/espionage.
Design
The CPĀ 1543-1 features all the advantages of the SIMATIC S7-1500 design:
- Compact design:
- One RJ45 jack for connecting to Industrial Ethernet;
automatic data rate detection using autosensing, autocrossing and autonegotiation;
the connection is made via the IE FC RJ45 Plug 180 with 180° cable outlet or via a standard patch cable - The module is supplied with power via the integrated backplane bus
- Three LEDs for displaying the operational and communications status of the module and one LED under the front cover for the Ethernet interface to display ACTIVITY and LINK.
- One RJ45 jack for connecting to Industrial Ethernet;
- Simple installation:
The CP 1543-1 is mounted on the S7-1500 mounting rail and connected to the adjacent modules by means of the bus connectors. - The CPĀ 1543-1 can be operated without a fan; no backup battery is required.
- The module can be replaced without the need for a programming device.
Function
- Gigabit interface with RJ45 connection with 10/100/1000Ā Mbps full/half duplex with autosensing functionality
- Communications services:
- Open communication (TCP/IP, UDP, ISO):
Multicast with UDP - PG/OP communication: Inter-network with S7 routing
- S7 communication (client, server)
- IT communication:
HTTP communication grants access to the web server of the S7-1500 system. With the CPĀ 1543-1, HTTPS communication is also possible.
The email client function allows email to be sent directly from the user program.
FTP communication allows program-controlled FTP client communication.
Access to data blocks in the CPU via FTP server. - IP accessibility for S7-1500 CPUs via communications processor CP 1543ā1 with activated security functions: OPC UA server and client of the S7ā1500 CPUs can transfer data via a CP 1543ā1
- IP address assignment using DHCP with IPv4 or by entering the address directly in the engineering software
STEP 7 Professional V12 (TIA Portal) or higher
- Open communication (TCP/IP, UDP, ISO):
- Diagnostics and network management:
- Extensive diagnostic functions for all modules in the S7-1500 system
- Integration in network management systems due to support of SNMP V1/V3
- Security mechanisms:
- Access protection with firewall for filtering connections on the basis of their IP and MAC addresses
- Secure communication via VPN (IPsec)
- Encrypted HTML pages using SSL (HTTPS)
- Secure file transfer (FTPS)
- Tap-proof transfer of network analysis information to the network management system (SNMPv3)
- Secure time of day transfer (NTP)
- Configuration of all functions with STEP 7 Professional V14 (TIA Portal) or higher
- Module replacement without programming device: All information can be stored on the memory card of the CPU.
6GK7543-1AX00-0XE0 Siemens
Communications processor CP 1543-1 for connection of SIMATIC S7-1500 to Industrial Ethernet, TCP/IP, ISO, UDP, S7 communication, IP Broadcast/ Multicast, security (VPN, Firewall) Diagnostics SNMPV1/V3, DHCP, FTP client/server, Email, IPv4/IPv6, IEEE 802.1X (radius), time-of-day synchronization via NTP, 1x RJ45 (10/100/1000 Mbit).















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