Siemens | Simatic S7 6GK7343-1EX21-0XE0

Product Details

• Part Number 1 6GK7343-1EX21-0XE0
• UPC 662643128994
• HTS 85176200
• Country of Origin Germany

Product Description

For Simatic S7 system applications, Siemens 6GK7343-1EX21-0XE0 provides the function of a Communication Module.

For replacement planning, this component supports the information path between compatible parts of the automation system. Its exact medium, protocol, addressing, and redundancy behavior are determined by the module and system configuration. Selection should account for the intended surrounding hardware configuration.

Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. The original wiring and configuration records should guide application.

Country of origin is listed as Germany.

In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. The system's documented hardware assignment should guide placement.

Product Documentation

• Part Notes

  SIEMENS SIMATC NET communications processor CP 343-1 for connection of SIMATIC S7-300 to Industrial Ethernet over PROFINET IO Controllers, ISO, TCP/IP and UDP, S7 communication, fetch/write, SEND/RECEIVE, with and without RFC1006 Diagnostic add-ons Multicast, chargeable communication modules, SNMP diagnostics, Initialization via LAN, DHCP, NTP-CPU Sync, 10/100 MBit, only RJ45 connection

  Product was cancelled by Siemens 11.15.2019. Successor 6GK7343-1EX30-0XE0

• Cancellation Notice

  Product was cancelled by Siemens 11.15.2019. Successor 6GK7343-1EX30-0XE0

• Common Part Typos 6GK7343-1EX21-0XEO, 6GK7343-1EX21-OXE0, 6GK7343-1EX2I-0XE0, 6GK7343-1EX2l-0XE0, 6GK7343-IEX21-0XE0, 6GK7343-lEX21-0XE0, 6GK73431EX210XE0, 6GK73431EX210XEO, 6GK73431EX21OXE0, 6GK73431EX2I0XE0, 6GK73431EX2l0XE0, 6GK7343IEX210XE0, 6GK7343lEX210XE0

Reviews

5.0 Rating

"We received the cables Frank. They are in great shape, including the connectors. Thanks for the good service."

- Larry A., United States

"Thank you very much for your prompt and professional assistance!"

- Brent M., United States

"Hey Frank, thank you for your great service and competitive pricing. We will definitely be using you again in the future."

- Patrick O., United States

"Hi Frank and thank you for your quick response - good service. We look forward to doing more business with DCS"

- Serge, United States

"We received the 6ES7141-1BF12-0XB0 module yesterday - thank you very much! We will probably order another one next week. Thanks"

- George C., United States

"Dear Frank and James, This morning we tested the "new" IEPAF01 cards. Everything is fine!!! I want to express my thanks and my personal acknowledgement on how you..."

- Carmelo I., Italy