Products Description
Siemens 6GK7443-1EX11-0XE0 CP443-1 Ethernet Module

Feature & Principle
It is a dedicated communication processor CP443-1 for Siemens SIMATIC S7-400 PLC rack. It realizes data exchange between S7-400 CPU and other PLC, HMI, upper computer through industrial Ethernet. It supports S7 protocol, ISO transport and TCP/IP communication, can establish multiple S7 connections. It has RJ45 TP port and AUI/ITP interface, works at 10Mbps, exchanges data with CPU via backplane bus, widely used for DCS and redundant S7-400H system networking.
Specifications
Model: 6GK7443-1EX11-0XE0 Brand: Siemens Series: SIMATIC NET CP443-1 Applicable PLC: S7-400 / S7-400H Transmission rate: 10 Mbps Interface: RJ45 TP + AUI/ITP SUB-D15 Protocol: S7 communication, ISO, TCP/IP Mounting: S7-400 rack plug-in Lifecycle: Discontinued legacy spare Configuration software: STEP7 Application: Power plant, chemical DCS, redundant control system Ethernet communication Certification: CE
Components & Diagnostics
Communication mainboard, Ethernet transceiver chip, backplane connector, status LED indicators, MAC address label. Common faults: no Ethernet link, communication interruption, unable to download program, module abnormal alarm.
Product Brief
6GK7443-1EX11-0XE0 CP443-1 communication processor, Siemens S7-400 Ethernet spare widely used for DCS and redundant PLC cabinet overhaul and replacement.