Siemens 6GK7243-1EX00-0XE0 Communications Processor

The Siemens 6GK7243-1EX00-0XE0 CP 243-1 communications processor connects SIMATIC S7-200 PLCs to Industrial Ethernet networks. This module enables data exchange between S7-200 controllers and higher-level systems. It supports both TCP/IP and ISO-on-TCP protocols for versatile communication. The processor offloads network tasks from the CPU, improving overall system performance.

Technical Specifications

The Siemens 6GK7243-1EX00-0XE0 features a single RJ45 Ethernet port for network connectivity. It delivers transmission speeds of 10/100 Mbps, ensuring efficient data transfer. The module includes 1 MB of flash memory for storing configuration data and firmware updates. This communications processor supports up to 8 simultaneous connections for flexible network architectures. It provides electrical isolation of 1500 V DC for reliable operation in industrial environments.

Parameter	Specification
Model Number	Siemens 6GK7243-1EX00-0XE0
Product Type	CP 243-1 Communications Processor
Compatible Systems	SIMATIC S7-200 PLCs
Network Interface	1 x RJ45 Ethernet port
Transmission Speed	10/100 Mbps
Supported Protocols	TCP/IP, ISO-on-TCP
Flash Memory	1 MB
Connections	Up to 8 simultaneous
Isolation Voltage	1500 V DC
Current Consumption	100 mA from S7-200 bus
Power Loss	2.4 W typical
Dimensions (W x H x D)	71.2 mm x 80 mm x 62 mm
Weight	Approx. 0.18 kg
Diagnostics	LED indicators for status and errors

Integration and Application

The Siemens 6GK7243-1EX00-0XE0 module plugs directly into the S7-200 expansion port for simple installation. It communicates with other Ethernet devices using standard protocols. The processor supports data exchange with supervisory control and data acquisition (SCADA) systems. You can deploy this module for remote monitoring and control of S7-200 based automation systems.