The CP 343-1 Lean is used to connect the SIMATIC S7-300 to Industrial Ethernet networks. With its own processor, it relieves the CPU of communications tasks and facilitates additional connections.

The CP 343-1 Lean offers the communication options of the S7-300 with

• PGs/PCs
• Master computers
• HMI devices
• Other SIMATIC S5/S7 systems
• PROFINET I/O Controllers