{"product_id":"siemens-cp-343-1-6gk7343-1ex30-0xe0-simatic-s7-300-module","title":"Siemens 6GK7343-1EX30-0XE0 CP 343-1 Industrial Ethernet Communications Processor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Siemens 6GK7343-1EX30-0XE0 is a high-performance communications processor designed for the SIMATIC S7-300 PLC system. This CP 343-1 module facilitates seamless integration of S7-300 controllers into Industrial Ethernet networks, supporting both ISO and TCP\/IP protocols. It serves as a robust gateway for data exchange, supporting PROFINET IO controller or device functionality, and features an integrated 2-port switch (ERTEC 200) for efficient network topology management.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated 2-port switch (ERTEC 200) for direct connection to Industrial Ethernet.\u003c\/li\u003e\n\u003cli\u003eSupports PROFINET IO controller and PROFINET IO device roles.\u003c\/li\u003e\n\u003cli\u003eCommunication protocols: S7 communication, Fetch\/Write, SEND\/RECEIVE via RFC1006, multicast, and DHCP.\u003c\/li\u003e\n\u003cli\u003eDual RJ45 ports for 10\/100 Mbit\/s LAN connectivity.\u003c\/li\u003e\n\u003cli\u003eSupports NTC-CPU synchronization with or without diagnostics.\u003c\/li\u003e\n\u003cli\u003eRemote initialization via LAN.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe CP 343-1 is widely utilized in industrial automation environments requiring reliable Ethernet connectivity for S7-300 PLCs. It is ideal for distributed I\/O systems, plant-wide data monitoring, and integration with SCADA or HMI systems via standard Ethernet protocols.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e6GK7343-1EX30-0XE0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Speed\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage (External)\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Supply\u003c\/td\u003e\n\u003ctd\u003e5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Connection\u003c\/td\u003e\n\u003ctd\u003e2-pole pluggable terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Tolerance\u003c\/td\u003e\n\u003ctd\u003e+20% \/ -15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the S7-300 CPU is powered down before installing or removing the communications processor.\u003c\/li\u003e\n\u003cli\u003eMount the module onto the S7-300 mounting rail and secure it using the integrated locking mechanism.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cables (Cat5 or higher) for Ethernet connections to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eEnsure the 24 V DC external power supply is connected to the dedicated terminal block on the front of the module.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation around the module to prevent overheating during continuous operation.\u003c\/li\u003e\n\u003cli\u003eHandle with care to avoid electrostatic discharge (ESD) damage to the internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 6GK7343-1EX30-0XE0?\u003c\/h3\u003e\u003cp\u003eThis module acts as a communications processor that allows a Siemens S7-300 PLC to communicate over Industrial Ethernet using TCP\/IP or ISO protocols, and it functions as a PROFINET IO controller or device.\u003c\/p\u003e\u003ch3\u003eDoes this module require an external power supply?\u003c\/h3\u003e\u003cp\u003eYes, the module requires a 24 V DC external power supply connected via the 2-pole pluggable terminal block, in addition to the 5 V DC provided by the backplane bus.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50708591411452,"sku":"6GK7343-1EX30-0XE0","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_c0f8cab0-c7a2-4c29-ab48-10f10bccabc5.jpg?v=1785132455","url":"https:\/\/www.electronicplc.com\/ar\/products\/siemens-cp-343-1-6gk7343-1ex30-0xe0-simatic-s7-300-module","provider":"Electronic PLC","version":"1.0","type":"link"}