Features:
- The processor connects an S7-400 or S7-400H station to Industrial Ethernet through two RJ45 ports.
- PROFINET IO, S7, TCP, ISO-on-TCP, ISO transport, and UDP services share the CP communication resources.
- Web diagnostics, SNMP, IP access lists, and duplicate-address detection support managed operation.
The internal switch forwards local Ethernet traffic while the CP transfers controller data between the backplane and configured network connections.
PROFINET cyclic exchange and open communication use separate configured resources, so their connection and data-area limits are reviewed together.
Port indicators describe physical traffic, whereas the web pages and diagnostic buffer expose station and protocol events.
The Siemens 6GK7443-1EX20-0XE0 SIMATIC NET CP 443-1 Industrial Ethernet Communications Processor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6GK7443-1EX20-0XE0 SIMATIC NET CP 443-1 Industrial Ethernet Communications Processor Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Industrial Ethernet Communication Paths
- S7 communication: PG, operator, and controller data exchange uses configured S7 connections.
- Open communication: TCP, ISO-on-TCP, ISO transport, and UDP carry SEND/RECEIVE traffic.
- Server access: FETCH/WRITE services expose assigned S7 data areas to configured external clients.
- Multicast: Selected UDP connections distribute one datagram stream to registered multicast partners.
Controller Exchange with Distributed Devices
- Controller role: The CP maps cyclic input and output data between the S7-400 station and PROFINET IO devices.
- Device scale: One configured CP can control as many as 128 IO devices within its resource limits.
- Shared device: Individual submodules of one IO device can be assigned to different controllers.
- Prioritized startup: Selected IO devices can receive accelerated startup handling after network or station restart.
Local Ethernet Forwarding
- RJ45 links: Two copper ports attach the S7 station and neighboring Ethernet equipment.
- Port setup: Each port can use automatic negotiation or a configured fixed speed and duplex mode.
- Address learning: The switch forwards frames according to learned source addresses and a five-minute aging time.
- MRP ring: Media Redundancy Protocol provides a managed alternate path in ring topologies.
Condition Reporting and Communication Control
- Web pages: Browser-based diagnostics expose station and CP information over the configured IP address.
- SNMP: The SNMP agent supplies MIB-II management information to a network-management station.
- IP access list: Configured partner addresses limit which IP nodes may communicate through the CP.
- Duplicate address: An IP conflict produces BUSF indication and a diagnostic-buffer entry.