The CP 343-1 is used for connecting the SIMATIC S7-300/SINUMERIK 840D powerline to Industrial Ethernet networks. With its own processor, it relieves the CPU of communications tasks and facilitates additional connections.

The CP 343-1 permits communication of the S7-300 with:

• PGs/PCs
• Master computers
• HMI devices
• SIMATIC S7/C7 systems
• PROFINET IO devices