{"product_id":"triconex-4351b-tricon-communication-module-tcm-1","title":"Triconex 4351B Tricon Communication Module (TCM)","description":"\u003cp\u003eThe \u003cstrong\u003eTriconex 4351B\u003c\/strong\u003e is a Tricon Communication Module (TCM) designed to enable Ethernet (802.3) and serial (RS-232\/RS-485) network communications for \u003cstrong\u003eTricon v10.0 and later systems\u003c\/strong\u003e. It serves as a dedicated communication gateway between the Tricon controller and host devices, including TriStation 1131 software, other Tricon or Trident controllers, Modbus master\/slave equipment, and external hosts over industrial networks.\u003c\/p\u003e\n\u003cp\u003eFeaturing dual copper Ethernet ports and four serial ports, the \u003cstrong\u003e4351B\u003c\/strong\u003e provides isolated, reliable data exchange and network integration. The module handles critical system monitoring, time synchronization, and network connectivity while isolating field signals and maintaining continuous control operations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Communications:\u003c\/strong\u003e Equipped with two 10\/100BaseT copper Ethernet ports using RJ-45 connectors (NET 1 and NET 2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Connectivity:\u003c\/strong\u003e Features four serial RS-232\/RS-485 ports with DB-9 connectors and one debug port for factory diagnostics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocol Support:\u003c\/strong\u003e Supports TriStation, Modbus, TCP\/IP, ICMP, SNTP, TSAA (with IP Multicast support), Trimble GPS, Peer-to-Peer (UDP\/IP), Peer-to-Peer Time Synchronization, and Jet Direct network printing protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Serial Functionality:\u003c\/strong\u003e Serial Port #1 supports Modbus or Trimble GPS interface; Serial Port #4 supports Modbus or TriStation 1131 interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Serial Throughput:\u003c\/strong\u003e Supports an aggregate data rate of up to 460.8 Kbps across all four serial ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Isolation:\u003c\/strong\u003e Provides 500 VDC electrical isolation across communication interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnline Maintenance:\u003c\/strong\u003e Modules can be hot-replaced while the controller remains online.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-integrity safety instrumented systems (SIS) and emergency shutdown systems (ESD).\u003c\/li\u003e\n\u003cli\u003eModbus Master\/Slave network integration with distributed control systems (DCS) and SCADA systems.\u003c\/li\u003e\n\u003cli\u003eTime-synchronized sequence of events (SOE) timestamping using SNTP or GPS time reference.\u003c\/li\u003e\n\u003cli\u003eRemote programming, monitoring, and debugging via TriStation 1131.\u003c\/li\u003e\n\u003cli\u003ePeer-to-peer safety communication between multiple Tricon or Trident safety controllers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTriconex (Invensys)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4351B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTricon v10.0 and later systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4, RS-232\/RS-485 ports, DB-9 connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2, 10\/100BaseT Ethernet ports, RJ-45 connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDebug Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 (reserved for Triconex use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCopper Ethernet Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Port Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 115.2 Kbps per port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAggregate Serial Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e460.8 Kbps (all four serial ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTriStation, Modbus, TCP\/IP, ICMP, SNTP, TSAA, Trimble GPS, Peer-to-Peer (UDP\/IP), Peer-to-Peer Time Synchronization, Jet Direct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Modbus Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e01, 02, 03, 04, 05, 06, 07, 08, 15, 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum TCMs per System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 TCMs (residing in two logical slots)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum System Modbus Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 Modbus masters or slaves total (network and serial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 degC to 60 degC (32 degF to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to 75 degC (-40 degF to 167 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSinusoidal Vibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 G @ 10 to 150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 G for 6-11 ms in each axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagnostic Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePASS, FAULT, ACTIVE, FIRM, LINK (1 per network port), TX\/RX (1 per port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Keying:\u003c\/strong\u003e Chassis slots are mechanically keyed to ensure modules are installed only into appropriate logical slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Constraints:\u003c\/strong\u003e A single Tricon system supports up to four TCMs residing in two logical slots; mixing different TCM models within a single logical slot is not allowed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Management:\u003c\/strong\u003e Maintain a minimum clearance of 5.25 inches (13.3 cm) above and below the chassis for proper airflow. Unused slots must be fitted with Blank I\/O Slot Panels (Model 8105) to preserve thermal circulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the chassis is connected to protective earth ground using standard threaded chassis ground connections prior to operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Safety:\u003c\/strong\u003e Certified by TÜV Rheinland for safety-critical applications up to SIL 1-3 per IEC 61508.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazardous Locations:\u003c\/strong\u003e Certified by Factory Mutual (FM) for Class I, Division 2, Groups A, B, C, D; ATEX Directive 94\/9\/EC Zone 2, Group IIB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEMC Directives:\u003c\/strong\u003e Complies with European Union EMC Directive 89\/336\/EEC and Low Voltage Directive 72\/23\/EEC (CE Mark).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental \u0026amp; Immunity Standards:\u003c\/strong\u003e Meets IEC 61000-4-2 (ESD), IEC 61000-4-3 (Radiated Susceptibility), IEC 61000-4-4 (EFT\/Burst), IEC 61000-4-5 (Surge), and CISPR emissions standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNuclear Standard:\u003c\/strong\u003e Qualified for nuclear 1E applications per EPRI TR-107330 and NRC SER ML013470433.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53667798483307,"sku":"4351B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/Triconex-4351B_004_1200x1200_5a3d15ad-07fe-4d4f-8736-68deb0b84282.jpg?v=1785936094","url":"https:\/\/www.plcprotech.com\/products\/triconex-4351b-tricon-communication-module-tcm-1","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}