Overview

The Siemens 6GK7443-1EX20-0XE0 is a high-performance Communications Processor (CP 443-1) designed to connect SIMATIC S7-400 PLCs to industrial Ethernet networks. It supports ISO, TCP/IP, UDP, S7 communication, fetch/write, and SEND/RECEIVE functions with or without RFC1006. The module also functions as a PROFINET IO Controller and features DHCP, SNMP V2, Web diagnostics, and IP access protection.

Technical Specifications

• Manufacturer: Siemens

• Product Number: 6GK7443-1EX20-0XE0

• Product Type: Communications Processor CP 443-1

• Compatible System: SIMATIC S7-400

• Ethernet Connection: Industrial Ethernet over ISO, TCP/IP, UDP

• PROFINET IO Controller: Yes

• LAN Ports: 2x RJ45 (10/100 Mbit/s)

• Transfer Rate (1st Interface): 10–100 Mbit/s

• Number of Interfaces: 2

• Active Connections (Multi-Protocol Mode): 128

• Max Units per CPU: 14

• Dimensions (L×W×H): 21 × 2.5 × 29 cm

• Weight: 0.7 Kg

• Shipping Weight: 2 Kg

Applications

The Siemens 6GK7443-1EX20-0XE0 is ideal for industrial automation networks, including manufacturing, process control, and PLC communications. It ensures fast, reliable, and secure data transfer between S7-400 PLCs and Ethernet-based systems.