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Siemens 6GK7343-1GX20-0XE0 — PLC Communication Modules

6GK7343-1GX20-0XE0 Siemens CP343-1, Discontinued

MPN6GK7343-1GX20-0XE0

Siemens SIMATIC S7-300 Communications Processor CP 343-1, order code 6GK7343-1GX20-0XE0, 10/100 Mbit Industrial Ethernet via RJ45. Discontinued.

$957.72Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

6GK7343-1GX20-0XE0 — Specifications
ParameterValue
Product descriptionThis product has reached the end of its life-cycle. It is therefore discontinued and no longer available. In case of questions concerning a successor product please contact your Siemens sales partner.

Product details

Communications Processor CP 343-1

The 6GK7343-1GX20-0XE0: This CP 343-1 connects a SIMATIC S7-300 to Industrial Ethernet, supporting TCP/IP, UDP, S7 communication, fetch/write, SEND/RECEIVE, multicast, HTML diagnostics, FTP client, and SNMP, among other protocols. The interface is a single 10/100 Mbit RJ45 port.

Frequently asked questions

How can I source this part?

Surplus and broker channels are the only route. Submit an RFQ to check availability through independent distributors. For an official successor, contact a Siemens sales partner.

What are the key features of the CP 343-1?

It connects a SIMATIC S7-300 to Industrial Ethernet at 10/100 Mbit via RJ45, supporting TCP/IP, UDP, S7 communication, fetch/write, SEND/RECEIVE, multicast, HTML diagnostics, FTP client, SNMP, DHCP, email, and NTP sync.

MPN
6GK7343-1GX20-0XE0