{"product_id":"ao3481-s2-triconex-automate-plc-processor-module","title":"AO3481 S2 TRICONEX Automate PLC Processor Module","description":"\u003ch2\u003eTRICONEX AO3481 S2 PLC Processor Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for Converting digital control signals into precise analog current outputs for field devices in Tricon SIS platforms, the \u003cstrong\u003eTRICONEX AO3481 S2\u003c\/strong\u003e (\u003cstrong\u003eTRICONEX AO3481\u003c\/strong\u003e) PLC Processor Module provides direct physical\/electrical execution. This hardware element converts digital control commands into triple-redundant analog current signals to actuate final control elements. The architecture executes physical voter logic across independent channels to maintain loop integrity under fault conditions.\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 S2\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 \/ Mexico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg (3 lbs 3.2 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.4 cm x 21.6 cm x 19.1 cm (1.8 in x 8.5 in x 7.5 in)\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\u003eNominal 24 VDC loop power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e4 analog output points, DC-coupled, common return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Range\u003c\/td\u003e\n\u003ctd\u003e0-22 mA (standard), 4-20 mA (controlled), over-range up to 44 mA\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\u003eLess than 0.25% of full scale (FSR) from 0-50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitch Time on Fault\u003c\/td\u003e\n\u003ctd\u003e1-3 ms typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoop Load Capability\u003c\/td\u003e\n\u003ctd\u003eSupports loads up to 1,500 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaseplate Compatibility\u003c\/td\u003e\n\u003ctd\u003eModel 2481, Model 2483\/2483A, External Termination Baseplate 9863-610\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Certification\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL3, TÜV approved\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; Safety Execution\u003c\/h3\u003e\n\u003cp\u003eThe module operates within a Triple Modular Redundancy (TMR) architecture to execute safety仪表系统 (SIS) functions up to SIL3 thresholds. Three separate internal channels receive isolated digital data from the main processors. Internal voter circuitry continuously cross-checks output commands across all three paths. If a single channel deviates, the internal diagnostics register the variance, actuate local fault indicators, and isolate the discrepant path using a galvanic isolation switch within 1-3 ms. The remaining non-driving channels are shunted automatically to prevent loop interruption or unauthorized signal drops to critical field devices like emergency shutdown valves.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does this module support hot-spare replacement during live process operations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module supports hot-spare functionality when installed on a compatible dual baseplate. Inserting a secondary module allows online synchronization and diagnostic validation without interrupting the active 4-20 mA loop outputs or shutting down the system.\u003c\/p\u003e\n\u003cp\u003eQ: What happens to the analog loop if the external 24 VDC loop power experiences a reverse-voltage event?\u003c\/p\u003e\n\u003cp\u003eA: The module contains dedicated reverse-voltage protection circuitry. An accidental polarity reversal on the external loop power supply triggers the isolation barriers, blocking reverse current paths to safeguard the internal TMR voting logic and components.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaseplate Engagement\u003c\/strong\u003e: Ensure complete physical alignment with Model 2481 or Model 2483\/2483A baseplates. Seat the module firmly into the backplane connectors until the mechanical locking mechanisms lock into position to prevent intermittent signal contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring and Isolation\u003c\/strong\u003e: Maintain distinct separation between field loop wiring and low-voltage digital backplane lines. External termination wiring for hazardous locations must utilize the 9863-610 baseplate to maintain intrinsic safety limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding\u003c\/strong\u003e: Terminate all analog cable shields at the dedicated instrument ground bus on the baseplate assembly. Do not ground the shield at both ends to prevent ground loops from corrupting the 12-bit analog signal resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Power Sizing\u003c\/strong\u003e: Verify the external 24 VDC supply accommodates the combined current draw of all 4 channels at maximum over-range conditions (up to 44 mA per channel) while considering the maximum 1,500 Ohm loop resistance constraint.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43723287625818,"sku":"AO3481 S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/163._11d14dc8-38f9-49dd-b8c9-9a85241b2472.jpg?v=1784856756","url":"https:\/\/www.spareoil.com\/es\/products\/ao3481-s2-triconex-automate-plc-processor-module","provider":"SpareOil Automation","version":"1.0","type":"link"}