{"product_id":"3805e","title":"Triconex 3805E TMR Analog Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-280\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e3805E\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-280\"\u003eis a high-integrity Analog Output Module designed for the\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eTriconex\u003c\/strong\u003e\u003cspan class=\"citation-280 citation-end-280\"\u003e\u003cspan\u003e \u003c\/span\u003eTriple Modular Redundancy (TMR) safety system.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-279 citation-end-279\"\u003eIt provides eight channels of high-precision 4-20 mA signals to drive final control elements such as control valves, dampers, and speed governors.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eUtilizing the signature pea-green color code of the Triconex line, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3805E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures three independent internal output legs that are voted at the hardware level. This ensures that even if a single component or \"leg\" fails, the output signal remains stable and accurate, with a typical switch-over time of less than 10 ms. This module is essential for safety-critical loops in Power Generation, Chemical Processing, and Emergency Shutdown (ESD) systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-278\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e3805E\u003c\/strong\u003e\u003cspan class=\"citation-278 citation-end-278\"\u003e\u003cspan\u003e \u003c\/span\u003eis engineered for continuous operation and fault-tolerant performance:\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTMR Architecture:\u003c\/strong\u003e\u003cspan class=\"citation-277 citation-end-277\"\u003e\u003cspan\u003e \u003c\/span\u003eInternal voting circuitry combines three independent results to produce a single high-availability output.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eA failure in one of the three internal channels does not interrupt the process signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Output:\u003c\/strong\u003e\u003cspan class=\"citation-276 citation-end-276\"\u003e\u003cspan\u003e \u003c\/span\u003eFeatures 12-bit resolution with a high accuracy rating of less than 0.25% of the Full Scale Range (FSR), ensuring tight control of sensitive field equipment.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-275\"\u003e\u003c\/span\u003e\u003cstrong\u003eOutput Range:\u003c\/strong\u003e\u003cspan class=\"citation-275 citation-end-275\"\u003e\u003cspan\u003e \u003c\/span\u003eDelivers a standard 4-20 mA signal with a 6% over-range capability (up to 21.2 mA) to allow for specialized diagnostic signaling or high-scale travel.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-274\"\u003e\u003c\/span\u003e\u003cstrong\u003eOver-range Protection:\u003c\/strong\u003e\u003cspan class=\"citation-274 citation-end-274\"\u003e\u003cspan\u003e \u003c\/span\u003eRobust electrical design provides continuous protection against voltages up to +42.5 VDC, preventing back-EMF or wiring faults from damaging the internal electronics.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePea Green Coding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePhysically keyed and color-coded to ensure the module is only inserted into compatible analog output slots, preventing accidental hardware mismatches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3805E\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriconex (Schneider Electric)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTMR Analog Output (AO)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Points\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20 mA (up to 21.2 mA)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 bits\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 0.25 percent FSR (0 to 60 Celsius)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-isolated (Commoned Return)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSwitch-over Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 10 ms (Typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius (32 to 140 Fahrenheit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.0 kg (Net) \/ 10.0 kg (Shipping)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 3805E handle a failure in one of its internal output legs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-273 citation-end-273\"\u003eThe module uses TMR voting.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIf one leg fails, the other two legs continue to supply the correct current.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-272 citation-end-272\"\u003eThe system logs a \"Leg Fault\" diagnostic, and the switch-over to the remaining healthy legs is nearly instantaneous (\u0026lt; 10 ms), meaning the field valve or actuator sees no disturbance.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the outputs on the 3805E isolated from one another?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-271 citation-end-271\"\u003eNo, the eight output points are DC-coupled and share a commoned return.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eWhen designing the field wiring, ensure that the loads are compatible with a common return architecture to prevent ground loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the \"Pea Green\" color code used for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-270 citation-end-270\"\u003eTriconex modules use a color-coding system to prevent maintenance errors.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ePea Green specifically identifies Analog Output modules. The chassis slot and the module handle are matched to ensure the wrong module type is never energized in an AO slot.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3805E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emust be used with a compatible External Termination Assembly (ETA). The ETA provides the field-side screw terminals and fuses. Ensure the interface cable between the Triconex rack and the ETA is securely seated and shielded.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoop Powering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSince the module outputs 4-20 mA current, ensure the total loop resistance (including field wiring and the actuator impedance) does not exceed the module's driving capability. High resistance can lead to \"Output Saturated\" alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Procedure:\u003c\/strong\u003e\u003cspan class=\"citation-269\"\u003e\u003cspan\u003e \u003c\/span\u003eTo replace a faulty\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e3805E\u003c\/strong\u003e\u003cspan class=\"citation-269 citation-end-269\"\u003e, insert the new module into the adjacent \"spare\" slot (if configured) or directly replace the faulty unit.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThe TMR architecture will automatically synchronize the new module's outputs with the running safety logic without impacting the process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Considerations:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIn high-density racks, ensure that the cooling fans at the bottom of the Triconex chassis are functional. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3805E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003egenerates heat during current regulation; maintaining the ambient air below 60 Celsius is critical for 0.25% accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53102420394347,"sku":"3805E","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/3805E-v55i3ho2ij4.png?v=1776137114","url":"https:\/\/www.plcprotech.com\/products\/3805e","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}