Siemens 6GK7443-1EX40-0XE0 Communications Processor

The Siemens 6GK7443-1EX40-0XE0 communications processor provides high-performance Ethernet connectivity for the SIMATIC S7-400 automation system. This CP 443-1 module establishes a reliable link between the S7-400 controller and Industrial Ethernet networks. It supports PROFINET IO and TCP/IP communication protocols simultaneously. The module offloads communication tasks from the CPU, thereby conserving valuable processing power for control functions.

Technical Specifications of Siemens 6GK7443-1EX40-0XE0

The Siemens 6GK7443-1EX40-0XE0 module features a single RJ45 Ethernet port for network connectivity. It delivers fast transmission speeds up to 100 Mbps, ensuring efficient data exchange across the network. The module includes 8 MB of RAM for buffering data and managing communication tasks. This communications processor serves as a PROFINET IO controller or device, providing flexible deployment options. It communicates with up to 256 PROFINET IO devices.

Parameter	Specification
Model Number	Siemens 6GK7443-1EX40-0XE0
Product Type	CP 443-1 Communications Processor
Network Interface	1 x RJ45 Ethernet port
Transmission Speed	10/100 Mbps
Supported Protocols	PROFINET IO, TCP/IP, ISO, UDP
RAM Size	8 MB
Connections	Up to 64 simultaneous connections
PROFINET Devices	Up to 256 IO devices
Current Consumption	0.14 A (backplane)
Power Loss	3.8 W typical
Dimensions (W x H x D)	25 mm x 290 mm x 219 mm
Weight	Approx. 1.1 kg
Diagnostics	LED indicators for status and error
Isolation Voltage	1500 V DC

Integration and Application

The Siemens 6GK7443-1EX40-0XE0 module mounts easily on an S7-400 rack and connects through the backplane bus. This processor supports industrial Ethernet networks with integrated security features. It provides time synchronization capabilities using the NTP protocol. You can use this module for connecting S7-400 systems to enterprise networks and supervisory control systems.