{"product_id":"siemens-6gk7343-1ex30-0xe0-simatic-s7-300-cp-343-1-profinet-module","title":"Siemens 6GK7343-1EX30-0XE0 SIMATIC S7-300 CP 343-1 PROFINET Module","description":"\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens 6GK7343-1EX30-0XE0\u003c\/span\u003e\u003c\/strong\u003e represents a vital link in industrial networking architecture.\u003c\/p\u003e\n\u003cp\u003eThis high-performance \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSIMATIC S7-300 CP 343-1\u003c\/span\u003e\u003c\/strong\u003e communications processor bridges field-level control with enterprise Industrial Ethernet networks.\u003c\/p\u003e\n\u003cp\u003eEngineered with the integrated ERTEC 200 chip, this module functions seamlessly as both a PROFINET IO controller and device.\u003c\/p\u003e\n\u003cp\u003eThe hardware delivers exceptional determinism for time-critical automation tasks by supporting Media Redundancy Protocol (MRP).\u003c\/p\u003e\n\u003cp\u003eControl engineers select this communication processor to offload intensive network management tasks from the central CPU.\u003c\/p\u003e\n\u003cp\u003eThis offloading ensures optimized cycle times and robust data throughput across demanding factory plant floors.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens 6GK7343-1EX30-0XE0\u003c\/span\u003e\u003c\/strong\u003e is a rugged \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSIMATIC S7-300 CP 343-1\u003c\/span\u003e\u003c\/strong\u003e Industrial Ethernet communications processor.\u003c\/p\u003e\n\u003cp\u003eIt connects your \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eS7-300\u003c\/span\u003e\u003c\/strong\u003e controller to advanced PROFINET networks via TCP\/IP and ISO protocols.\u003c\/p\u003e\n\u003cp\u003eThe module features an integrated 2-port switch for flexible and cost-effective network topology design.\u003c\/p\u003e\n\u003cp\u003eIt supports S7 communication, fetch\/write operations, and open SEND\/RECEIVE communication protocols.\u003c\/p\u003e\n\u003cp\u003eThis hardware enables smooth data exchanges with computers, HMI systems, and third-party PLCs.\u003c\/p\u003e\n\u003cp\u003eThis communication unit provides essential bandwidth and reliability for modern manufacturing automation lines.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: \u003cstrong\u003eSiemens\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003e6GK7343-1EX30-0XE0\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct Series: \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSIMATIC S7-300\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModule Type: \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eCP 343-1 Communications Processor\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransfer Rate: 10 Mbit\/s to 100 Mbit\/s auto-sensing capabilities\u003c\/li\u003e\n\u003cli\u003eElectrical Connections: Two RJ45 Industrial Ethernet interface ports\u003c\/li\u003e\n\u003cli\u003ePower Supply Connection: 2-pole pluggable terminal block connector\u003c\/li\u003e\n\u003cli\u003eBackplane Bus Supply Voltage: 5 V DC input\u003c\/li\u003e\n\u003cli\u003eBackplane Bus Current Consumption: 0.2 A typical value\u003c\/li\u003e\n\u003cli\u003eExternal Supply Voltage: 24 V DC Rated Value\u003c\/li\u003e\n\u003cli\u003eExternal Voltage Tolerance Range: -15% to +20% variance\u003c\/li\u003e\n\u003cli\u003eExternal Current Consumption: 0.16 A typical, 0.2 A maximum\u003c\/li\u003e\n\u003cli\u003eTotal Module Power Loss: 5.8 W energy consumption\u003c\/li\u003e\n\u003cli\u003eHorizontal Mounting Operating Temperature: 0 °C to 60 °C maximum\u003c\/li\u003e\n\u003cli\u003eVertical Mounting Operating Temperature: 0 °C to 40 °C maximum\u003c\/li\u003e\n\u003cli\u003eStorage and Transport Temperature: -40 °C to +70 °C range\u003c\/li\u003e\n\u003cli\u003eMaximum Relative Humidity: 95% at 25 °C without condensation\u003c\/li\u003e\n\u003cli\u003eProtection Class Rating: IP20 enclosure protection level\u003c\/li\u003e\n\u003cli\u003eModule Width: 40 mm single-width slot design\u003c\/li\u003e\n\u003cli\u003eModule Height: 125 mm physical height\u003c\/li\u003e\n\u003cli\u003eModule Depth: 120 mm physical depth\u003c\/li\u003e\n\u003cli\u003eNet Weight: 0.22 kg lightweight design\u003c\/li\u003e\n\u003cli\u003eOpen Communication Connections: 16 maximum via SEND\/RECEIVE blocks\u003c\/li\u003e\n\u003cli\u003eData Volume per ISO Connection: 8 Kibyte maximum capacity\u003c\/li\u003e\n\u003cli\u003eData Volume per TCP Connection: 8 Kibyte maximum capacity\u003c\/li\u003e\n\u003cli\u003eData Volume per UDP Connection: 2 Kibyte maximum capacity\u003c\/li\u003e\n\u003cli\u003eMulticast Stations: 16 stations maximum configuration\u003c\/li\u003e\n\u003cli\u003eS7 Communication Connections: 16 maximum concurrent connections\u003c\/li\u003e\n\u003cli\u003eMulti-Protocol Mode Connections: 32 active connections maximum\u003c\/li\u003e\n\u003cli\u003ePROFINET IO Devices per Controller: 32 devices maximum load\u003c\/li\u003e\n\u003cli\u003ePROFINET Lines per Rack: 1 line maximum restriction\u003c\/li\u003e\n\u003cli\u003eIO Controller Input Data Volume: 1 Kibyte total maximum limit\u003c\/li\u003e\n\u003cli\u003eIO Controller Output Data Volume: 1 Kibyte total maximum limit\u003c\/li\u003e\n\u003cli\u003eIO Device Input Data Volume: 512 byte total maximum limit\u003c\/li\u003e\n\u003cli\u003eIO Device Output Data Volume: 512 byte total maximum limit\u003c\/li\u003e\n\u003cli\u003eSubmodule Consistency Area Data: 240 byte maximum per submodule\u003c\/li\u003e\n\u003cli\u003eSubmodules per IO Device: 32 submodules maximum count\u003c\/li\u003e\n\u003cli\u003eManagement Network Protocols: Full support for SNMP v1, DCP, and LLDP\u003c\/li\u003e\n\u003cli\u003eTime Synchronization: Integrated NTP and SICLOCK protocols\u003c\/li\u003e\n\u003cli\u003eAccess Control: IP-based Access Control List (ACL) protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off the main power supply before inserting the communication module.\u003c\/li\u003e\n\u003cli\u003eHook the module onto the standard \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eS7-300\u003c\/span\u003e\u003c\/strong\u003e DIN rail system securely.\u003c\/li\u003e\n\u003cli\u003eSwing the module down and secure the fixing screw tightly into place.\u003c\/li\u003e\n\u003cli\u003eConnect the 24 V DC power supply to the pluggable terminal block.\u003c\/li\u003e\n\u003cli\u003eVerify correct polarity before turning on the external electrical supply.\u003c\/li\u003e\n\u003cli\u003eInsert the industrial Ethernet cables into the RJ45 ports until they click.\u003c\/li\u003e\n\u003cli\u003eMaintain proper clearance distances above and below the module for natural cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommissioning \u0026amp; Maintenance Convenience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfigure the module easily within STEP 7 V5.4 SP2 or TIA Portal V11.\u003c\/li\u003e\n\u003cli\u003eInitialize the module over the local area network using factory default settings.\u003c\/li\u003e\n\u003cli\u003eRun advanced web-based diagnostics through a standard internet browser window.\u003c\/li\u003e\n\u003cli\u003eSwitch off unused physical ports to prevent unauthorized local network access.\u003c\/li\u003e\n\u003cli\u003eReplace modules quickly without rewriting your entire central control program.\u003c\/li\u003e\n\u003cli\u003eUtilize integrated front-panel LEDs for instant status tracking and error verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompatibility \u0026amp; System Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for use with \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens SIMATIC S7-300\u003c\/span\u003e\u003c\/strong\u003e central processing units.\u003c\/li\u003e\n\u003cli\u003eRequires STEP 7 V5.4 SP2 or higher standard engineering software.\u003c\/li\u003e\n\u003cli\u003eFully compatible with STEP 7 Professional TIA Portal V11 or higher.\u003c\/li\u003e\n\u003cli\u003eWorks seamlessly alongside standard PROFINET IO devices and network controllers.\u003c\/li\u003e\n\u003cli\u003eIntegrates with industrial network switches via standard LLDP and DCP protocols.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTarget Device Suitability\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens SIMATIC S7-300 CPU 315-2 DP\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens SIMATIC S7-300 CPU 317-2 DP\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eET 200M distributed I\/O interface hardware modules\u003c\/li\u003e\n\u003cli\u003eSiemens SITOP 24V DC industrial power supply units\u003c\/li\u003e\n\u003cli\u003eIndustrial HMIs and computerized SCADA control station PCs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeb-based diagnostic interface displays real-time network status and internal fault logs.\u003c\/li\u003e\n\u003cli\u003eIdentification and Maintenance data (I\u0026amp;M0 to I\u0026amp;M1) reveals physical module information.\u003c\/li\u003e\n\u003cli\u003eIntegrated status LEDs indicate link speed, active data transmission, and system faults.\u003c\/li\u003e\n\u003cli\u003eSNMP v1 support allows seamless integration into standard network management software tools.\u003c\/li\u003e\n\u003cli\u003eDetailed diagnostic buffer reads provide precise fault location during network interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-speed data transmission between \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eS7-300\u003c\/span\u003e\u003c\/strong\u003e controllers and centralized SCADA software.\u003c\/li\u003e\n\u003cli\u003eReal-time coordination of distributed manufacturing lines utilizing PROFINET IO architecture.\u003c\/li\u003e\n\u003cli\u003eAssembly plant automation requiring Media Redundancy Protocol for uninterrupted communication operations.\u003c\/li\u003e\n\u003cli\u003eEnterprise network integration using standard TCP\/IP and ISO IT protocols.\u003c\/li\u003e\n\u003cli\u003eMachinery synchronization across complex high-speed packaging lines using IRT communication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackaging List \u0026amp; Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne brand new \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens 6GK7343-1EX30-0XE0 CP 343-1\u003c\/span\u003e\u003c\/strong\u003e module\u003c\/li\u003e\n\u003cli\u003eOne 2-pole pluggable power supply terminal block connector\u003c\/li\u003e\n\u003cli\u003eOfficial hardware installation instruction documentation leaflet\u003c\/li\u003e\n\u003cli\u003e12-Month Comprehensive Warranty coverage starting from day of delivery\u003c\/li\u003e\n\u003cli\u003eWarranty protects against all verified manufacturing defects under standard operating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Logistics Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFast parcel dispatch within 24 to 48 hours from order confirmation.\u003c\/li\u003e\n\u003cli\u003eWorldwide global express delivery via reliable FedEx, UPS, and DHL networks.\u003c\/li\u003e\n\u003cli\u003eSecure tracking numbers provided instantly to customers upon shipment processing.\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade protective packaging prevents transit vibration and physical shock damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB Review\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eSiemens 6GK7343-1EX30-0XE0\u003c\/span\u003e\u003c\/strong\u003e remains an industry favorite for expanding older control systems into modern networks.\u003c\/p\u003e\n\u003cp\u003eIts dual-port design eliminates the need for external network switches, saving valuable control cabinet space.\u003c\/p\u003e\n\u003cp\u003eThe hardware manages multi-protocol traffic efficiently without degrading the performance of the main CPU.\u003c\/p\u003e\n\u003cp\u003eIt provides highly dependable uptime in harsh, high-interference industrial manufacturing environments.\u003c\/p\u003e\n\u003cp\u003eFor facilities standardizing on PROFINET infrastructures, this module provides required reliability, longevity, and communication speed.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBuying Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCheck your software version before purchasing this communications module.\u003c\/li\u003e\n\u003cli\u003eEnsure you use STEP 7 V5.4 SP2 or TIA Portal V11 minimum.\u003c\/li\u003e\n\u003cli\u003eCount your intended node connections to fit the 32-connection multi-protocol limit.\u003c\/li\u003e\n\u003cli\u003eConfirm that your panel layout leaves room for the 40mm width footprint.\u003c\/li\u003e\n\u003cli\u003eVerify your external power supply handles the 24 V DC current requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module connects \u003cstrong\u003e\u003cspan style=\"color: #0051a8;\"\u003eS7-300\u003c\/span\u003e\u003c\/strong\u003e PLCs to Industrial Ethernet and PROFINET networks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use this communication processor as a PROFINET IO controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it functions simultaneously as a PROFINET IO controller and an IO device.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich programming software is required for configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou need STEP 7 V5.4 SP2 or TIA Portal V11 or higher.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes the module support network redundancy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it supports Media Redundancy Protocol (MRP) for ring topology layouts.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan this card handle time synchronization across the network?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it supports NTP and SICLOCK protocols to synchronize plant equipment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMy PLC application requires high-speed motion control. Can this module handle it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, it supports PROFINET IRT which provides deterministic timing for precise automation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I reset the module if I lose the IP address?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou can use the Primary Setup Tool or STEP 7 via the DCP protocol over LAN.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this module require an external network switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the integrated 2-port ERTEC 200 switch allows you to build linear or ring topologies directly.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":45161369370806,"sku":"6GK7343-1EX30-0XE0","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/6GK7343-1EX30-0XE0.jpg?v=1780389049","url":"https:\/\/www.plcsparehub.com\/products\/siemens-6gk7343-1ex30-0xe0-simatic-s7-300-cp-343-1-profinet-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}