{"product_id":"triconex-4354-fiber-tcm-communication-module","title":"Triconex 4354 Fiber TCM Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e4354\u003c\/strong\u003e is a \u003cstrong\u003efiber-optic Triconex Communication Module (TCM)\u003c\/strong\u003e manufactured by \u003cstrong\u003eInvensys Triconex\u003c\/strong\u003e for the \u003cstrong\u003eTricon v9–v10 safety systems\u003c\/strong\u003e. It provides \u003cstrong\u003edual 100 Mbps fiber-optic Ethernet ports\u003c\/strong\u003e (MT-RJ) and \u003cstrong\u003efour RS-232\/RS-485 serial ports\u003c\/strong\u003e, enabling high-speed deterministic communication between Tricon controllers, operator workstations, Modbus devices, and external hosts. The module supports \u003cstrong\u003eGPS and SNTP time synchronization\u003c\/strong\u003e for sequence-of-events (SOE) logging and redundant controller timekeeping.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Invensys Triconex Tricon v9–v10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e TCM Communication Module (Fiber)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEthernet Ports:\u003c\/strong\u003e 2 × 100 Mbps fiber-optic (MT-RJ)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial Ports:\u003c\/strong\u003e 4 × RS-232\/RS-485 (TriStation-configurable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial Protocols:\u003c\/strong\u003e Modbus master\/slave, Trimble GPS, TriStation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime Synchronization:\u003c\/strong\u003e GPS, SNTP, Triconex Time Sync via DLC or UDP\/IP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNetwork Redundancy:\u003c\/strong\u003e Supports redundant TCM pairs in redundant controller networks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDebug Port:\u003c\/strong\u003e 1 × RS-232 (Triconex use only)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFront Panel Indicators:\u003c\/strong\u003e Status and communication LEDs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Tricon chassis slot (COM or logical slot)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFiber-Optic Ethernet:\u003c\/strong\u003e Dual 100 Mbps MT-RJ fiber ports provide galvanic isolation and immunity to EMI, ideal for long-distance control network segments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protocol Serial:\u003c\/strong\u003e Four configurable serial ports support Modbus RTU\/ASCII, GPS time sync, and TriStation engineering access without external converters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Time Synchronization:\u003c\/strong\u003e GPS and SNTP protocols ensure microsecond-accurate time stamping for SOE logs and coordinated shutdown sequences.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRedundant Network Support:\u003c\/strong\u003e Dual TCM installation in redundant controllers enables fault-tolerant communication paths with automatic failover.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeterministic Control Network:\u003c\/strong\u003e TCM architecture guarantees consistent message delivery times for safety-critical peer-to-peer and host communications.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 4354 and 4351B?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e4354\u003c\/strong\u003e uses \u003cstrong\u003efiber-optic Ethernet ports\u003c\/strong\u003e (MT-RJ). The \u003cstrong\u003e4351B\u003c\/strong\u003e uses \u003cstrong\u003ecopper RJ-45 Ethernet ports\u003c\/strong\u003e. Both provide the same serial and time sync functionality. Select 4354 for EMI-prone or long-distance fiber installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can 4354 and 4351B TCMs be mixed in the same logical slot?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; No. Models \u003cstrong\u003e4354 and 4351B cannot be mixed\u003c\/strong\u003e in the same logical slot or even in different chassis within the same redundant pair. Standardize on one fiber or copper model per system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What fiber type does the 4354 require?\u003c\/strong\u003e\u003cbr\u003eA\u0026gt; The 4354 uses \u003cstrong\u003emulti-mode fiber-optic cables\u003c\/strong\u003e with MT-RJ connectors. Verify your plant fiber infrastructure supports multi-mode 62.5\/125 μm or 50\/125 μm cable.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall the TCM into a \u003cstrong\u003eCOM slot or logical slot\u003c\/strong\u003e in the Tricon chassis.\u003c\/li\u003e\n  \u003cli\u003eConnect \u003cstrong\u003emulti-mode fiber cables\u003c\/strong\u003e with MT-RJ connectors to both Ethernet ports for redundant network paths.\u003c\/li\u003e\n  \u003cli\u003eConnect \u003cstrong\u003eserial devices\u003c\/strong\u003e (Modbus, GPS) to the RS-232\/RS-485 ports using appropriate cables.\u003c\/li\u003e\n  \u003cli\u003eConfigure \u003cstrong\u003etime synchronization\u003c\/strong\u003e (GPS or SNTP) via TriStation 1131 software.\u003c\/li\u003e\n  \u003cli\u003eVerify communication status via the \u003cstrong\u003efront-panel LEDs\u003c\/strong\u003e and TriStation diagnostic monitor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia Type:\u003c\/strong\u003e Choose the 4354 for fiber-optic control networks in electrically noisy environments or where cable runs exceed copper distance limits. For standard copper networks, select 4351B.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRedundancy:\u003c\/strong\u003e For high-availability architectures, install two 4354 modules (left and right slots) with redundant fiber paths to independent network switches.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerial Count:\u003c\/strong\u003e The four serial ports support multiple Modbus RTU segments. Calculate total serial device count and baud rate requirements to ensure port capacity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime Source:\u003c\/strong\u003e For SOE accuracy, connect a GPS receiver to one serial port and configure SNTP as a backup time source on the Ethernet interface.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53993632497848,"sku":"4354","price":206.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/4354r270_8fe6521d-1f8b-4266-85e9-edb5a2fc57cc.png?v=1787815169","url":"https:\/\/www.globalpetroparts.com\/products\/triconex-4354-fiber-tcm-communication-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}