{"product_id":"triconex-4351a-tcm-safety-instrumented-system-communication-module","title":"Triconex 4351A TCM Safety Instrumented System Communication Module","description":"\u003ch2\u003eTRICONEX 4351A Tricon Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTRICONEX 4351A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTRICONEX 4351A\u003c\/strong\u003e Tricon Communication Module, operates as a dedicated hardware component for executing communication gateway tasks within Tricon v9.6 and later SIS platforms. The module manages data exchanges between Tricon controllers and external architectures including distributed control systems (DCS), human-machine interfaces (HMI), and supervisory control and data acquisition (SCADA) nodes. The unit processes field network packets and formats industrial telemetry across multiple serial and copper\/fiber sub-networks.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e4351A (Part Numbers: 3000781-001 \/ 3000787-110)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTRICONEX (Schneider Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.15-2.22 kg (Gross weight 3.18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e380 mm x 300 mm x 35 mm (Packing size: 48 cm x 45 cm x 6 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane powered via Tricon chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Ports\u003c\/td\u003e\n\u003ctd\u003e4 x RS-232\/RS-485 points (Up to 115.2 Kbps per port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Ports\u003c\/td\u003e\n\u003ctd\u003e2 x 10\/100 Mbps copper Ethernet RJ-45 paths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Isolation\u003c\/td\u003e\n\u003ctd\u003e500 VDC galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 4 modules per Tricon system (Occupying 2 logical slots)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols Supported\u003c\/td\u003e\n\u003ctd\u003eTriStation, Modbus (RTU\/ASCII\/TCP), TSAA, Peer-to-Peer, SNTP, Jet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Certification\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL3, TÜV, CE, UL Class I Div 2, ATEX Zone 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTriple Modular Redundancy \u0026amp; Serial Suppression\u003c\/h3\u003e\n\u003cp\u003eThe communication hardware interfaces directly with the main Triple Modular Redundancy (TMR) controller processors through isolated internal bus lanes. To protect the inner logic from external electrical surges, the module provides 500 VDC galvanic isolation across all physical network interface boundaries. The four serial ports maintain independent signal tracks to implement strict cross-talk suppression during simultaneous multi-protocol exchanges at 115.2 Kbps. If an external communications port encounters electrical damage or packet buffer corruption, internal diagnostics isolate that port to prevent the problem from moving downstream, keeping the remaining redundant paths operational and protecting the safety instrumented logic.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the primary rules for establishing communication redundancy using this module?\u003c\/p\u003e\n\u003cp\u003eA: High availability configurations require installing dual modules into the designated communication slots. The Tricon backplane treats these units as an active redundant pair, enabling automatic failover of Modbus and TriStation connections if one module encounters an internal hardware or port failure.\u003c\/p\u003e\n\u003cp\u003eQ: How is the module address mapped when executing Modbus RTU or Modbus TCP communication?\u003c\/p\u003e\n\u003cp\u003eA: Modbus communication requires configuring explicit alias mapping parameters within the TriStation 1131 software utility. Variables from the main processor safety applications must be assigned to valid Modbus addresses before external SCADA or DCS masters can access the data through the physical ports.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Placement\u003c\/strong\u003e: Install the module exclusively into the designated communication slots of the Tricon main or expansion chassis. Do not force the module into standard I\/O slots to avoid damaging the backplane connector pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Cable Routing\u003c\/strong\u003e: Route all Ethernet copper and serial communication cables away from high-voltage motor control wires and AC power lines to limit electromagnetic interference and protect the 500 VDC isolation boundaries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware and Software Baseline\u003c\/strong\u003e: Verify that the module firmware version matches the exact baseline of the Tricon main processors. The communication module will not initialize if it detects a firmware conflict with the host controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding for Serial Links\u003c\/strong\u003e: Connect the outer shields of all RS-232 and RS-485 cables to the designated instrument ground at the Tricon panel side only, ensuring the field side remains isolated to prevent signal-degrading ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43723393073242,"sku":"4351A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/168._2e3124f4-3e5a-40be-a904-b00ead0e84ad.jpg?v=1784858392","url":"https:\/\/www.spareoil.com\/es\/products\/triconex-4351a-tcm-safety-instrumented-system-communication-module","provider":"SpareOil Automation","version":"1.0","type":"link"}