Siemens 6GK7443-1EX11-0XE0 Communication Processor

Product Overview

The Siemens 6GK7443-1EX11-0XE0 is a SIMATIC NET CP 443-1 Communication Processor designed for SIMATIC S7-400 PLC systems. It provides an Industrial Ethernet interface for connecting S7-400 CPUs with other PLCs, HMIs, SCADA systems, industrial PCs, and Ethernet-based automation devices.

The module supports industrial communication protocols including ISO, TCP/IP, UDP, S7 communication, SEND/RECEIVE, Fetch/Write, RFC1006, multicast communication, NTP time synchronization, and IP access protection.

Main Specifications

• Manufacturer: Siemens
• Model: 6GK7443-1EX11-0XE0
• Series: SIMATIC NET / S7-400
• Product Type:
  • Communication Processor (CP 443-1)
  • Industrial Ethernet Communication Module
  • PLC Network Interface Module
• Compatible PLC:
  • Siemens SIMATIC S7-400
• Mounting:
  • S7-400 rack mounting
• Protection Rating: IP20

Technical Specifications

Industrial Ethernet Interface

• Interface Type:
  • Industrial Ethernet
• Transmission Speed:
  • 10 Mbps
  • 100 Mbps
• Number of Interfaces:
  • 1 × Industrial Ethernet interface
• Connection:
  • RJ45 / AUI interface
  • 15-pin Sub-D connection (depending on interface mode)

Supported Communication Protocols

Supports:

• ISO communication
• TCP/IP
• UDP
• S7 communication
• SEND/RECEIVE communication
• Fetch/Write
• RFC1006
• Multicast communication
• NTP time synchronization
• IP access protection

Electrical Specifications

• Supply Voltage:
  • 5 V DC (from S7-400 backplane bus)
• Current Consumption:
  • Approx. 1.4 A
• Power Loss:
  • Approx. 8.6 W

Mechanical Specifications

• Module Type: S7-400 compact module
• Width: Approx. 25 mm
• Height: Approx. 290 mm
• Depth: Approx. 210 mm
• Weight: Approx. 0.7 kg
• Protection Class: IP20

Features & Advantages

• Original Siemens SIMATIC NET communication processor
• Adds Industrial Ethernet capability to S7-400 PLC systems
• Reduces communication workload on the CPU
• Supports multiple industrial communication protocols
• Reliable PLC-to-PLC communication
• Enables connection to HMI, SCADA, and industrial PC systems
• Provides diagnostic functions for easier maintenance
• Suitable for existing S7-400 automation systems

Applications

Used in:

• Factory automation systems
• Process control systems
• Manufacturing production lines
• SCADA monitoring systems
• Power and energy automation
• Industrial Ethernet networks

Typical communication partners:

• Siemens S7-300 / S7-400 PLC
• SIMATIC HMI panels
• WinCC SCADA systems
• Industrial PCs
• Ethernet switches