Siemens 6GK7243-7KX30-0XE0 SIMATIC S7-1200 CP 1243-7 LTE EU Cellular PLC Communication Module

The Siemens CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) is a communications processor that connects a SIMATIC S7-1200 CPU to LTE, UMTS, and GSM cellular networks in the European frequency range, delivering up to 42 Mbit/s LTE downlink and 5.76 Mbit/s uplink. It adds MQTT cloud connectivity, IEC 60870-5 and DNP3 telecontrol protocols, and an IPsec VPN with AES-256 encryption.

Technical Specifications

Certifications & Standards

• CE
• UKCA
• RCM
• RoHS
• EAC
• ATEX
• IECEx
• CCC-Ex
• EPD

Selection Notes

The 42 Mbit/s LTE downlink and 800/1800/2600 MHz band coverage make this variant suited to European cellular networks specifically, while the built-in Telecontrol Server Basic connectivity and IEC 60870-5/DNP3 support let it serve as a remote RTU-style station reporting into a SCADA system over the cellular link instead of a wired connection. Pick it over an Ethernet-only CP 1243 when the S7-1200 sits at a substation or remote site without a fixed Industrial Ethernet drop.

Applications

Suited to remote or mobile SIMATIC S7-1200 installations - pumping stations, tank monitoring, or distributed skids - that need cellular connectivity to a SCADA system or cloud platform where a wired Ethernet uplink isn't available.