{"product_id":"triconex-ao3481-tmr-analog-output-module","title":"Triconex AO3481 TMR Analog Output Module","description":"\u003ch2\u003eTriconex AO3481 TMR Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTriconex AO3481\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAO3481\u003c\/strong\u003e Analog Output Module, operates as a dedicated hardware component for converting field-level current signals into continuous analog control loops within Triconex safety and control systems.\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\u003eAO3481\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTriconex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMexico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.4 cm × 21.6 cm × 19.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0-50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDetermined by external loop requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Points\u003c\/td\u003e\n\u003ctd\u003e4, common-return, DC-coupled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Range\u003c\/td\u003e\n\u003ctd\u003e0-22 mA (standard), 4-40 mA (extended mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.25% of Full Scale Range (FSR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Loop Power\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal, 32 VDC max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Reliability Safety Control and TMR Architecture\u003c\/h3\u003e\n\u003cp\u003eThe Triconex AO3481 features three isolated electronic channels that independently process digitized data from the main controllers. Integrated voter circuitry evaluates the execution paths and selects one functional channel to drive the physical output loop. This triple modular redundancy (TMR) 2oo3 architecture enables the module to maintain precise signal continuity even during a single channel fault or multiple physical component failures. Galvanic isolation barriers protect the internal backplane logic from ground loops and external loop transients. The module executes a forced-switch diagnostic (FSD) at regular intervals to verify the switching logic and ensure fail-safe state execution, transferring the driving leg to a redundant path within 1-3 ms upon a detected failure without generating process signal disturbances.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How long does the module take to transfer the current loop load when a drive channel fails?\u003c\/p\u003e\n\u003cp\u003eA: The internal voting and drive circuitry completes the channel switchover within 1-3 ms typical following a leg failure, preventing any significant drop in the 4-20 mA field actuator loop signal.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be hot-swapped online without causing output variations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the system architecture supports automatic switchover to an adjacent hot-spare module. The online insertion or extraction process executes without interrupting the active safety loop or causing spikes on the analog outputs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Verification:\u003c\/strong\u003e Verify that the baseplate slot corresponds to Model 2481, 2483, or 2483A specifications. The integrated mechanical keying slots on the module chassis must align with the baseplate pins to permit insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Insertion:\u003c\/strong\u003e Slide the module into the baseplate guides firmly until the high-density interface pins seat completely. Tighten the front panel retention screws to secure structural and grounding continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Wiring and Shielding:\u003c\/strong\u003e Route the 4-20 mA actuator lines using twisted-pair cables with overall shielding. Ground the cable shields explicitly at the external termination panel ground bus bar to prevent common-mode noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Power Supply:\u003c\/strong\u003e Ensure the external loop power supply is regulated to 24 VDC nominal and remains strictly below the 32 VDC maximum threshold to protect the output drivers from overvoltage damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ICS Triplex","offers":[{"title":"Default Title","offer_id":43744173293658,"sku":"AO3481","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/223._11f192e7-5d85-473c-9106-a72db69a85d6.jpg?v=1785204000","url":"https:\/\/www.spareoil.com\/products\/triconex-ao3481-tmr-analog-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}