{"product_id":"honeywell-experion-pks-fta-t-20-digital-output-relay-field-termination-assembly","title":"Honeywell Experion PKS FTA-T-20 Digital Output Relay Field Termination Assembly","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFTA-T-20\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized Field Termination Assembly (FTA) within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell Safety Manager (SMS)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExperion PKS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eecosystems. It serves as the physical and electrical interface between the system's digital output modules and the external field equipment.\u003c\/p\u003e\n\u003cp\u003eDesigned for high-load or isolated switching requirements, the FTA-T-20 provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 channels of relay-contact outputs\u003c\/strong\u003e. Each channel offers\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNO (Normally Open)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNC (Normally Closed)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtacts, allowing for flexible fail-safe configurations. By utilizing interposing relays on the FTA, the system protects the sensitive controller electronics from field-side electrical surges and allows the switching of higher voltages and currents (up to 250 Vac or 110 Vdc) than a standard electronic output could handle.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe FTA-T-20 is engineered for seamless integration into Honeywell safety and control racks:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 independent relay channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSPDT (Single Pole Double Throw) configuration, providing both NO and NC terminals for every channel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConnects to the controller I\/O module via a standard\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIC-C-07\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esystem interconnection cable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003escrew terminals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor direct connection of field cables, supporting a variety of wire gauges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard DIN-rail mounting for installation in I\/O cabinets or marshalling panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNFS (Non-Fail Safe) Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically used in applications where the safety logic is managed by the controller, and the relay acts as the final switching element.\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\u003eFTA-T-20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Output (Relay Contact)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\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\u003eMax Switching Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 Vac \/ 110 Vdc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Logic\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNO \/ NC (Change-over)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterconnection Cable\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIC-C-07\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eScrew Terminals (T-Type)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Reference\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10209\/2\/1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~0.8 kg\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\u003eWhat is the advantage of using an FTA-T (Screw Terminal) over an FTA-E (ELCO)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFTA-T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eversion is designed for direct field wiring where the cables are terminated individually at the assembly. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFTA-E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(ELCO) version is typically used for \"marshalling-to-marshalling\" connections using pre-fabricated multi-core cables. The FTA-T-20 is ideal for cabinets where field sensors\/actuators are wired directly to the I\/O rack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix AC and DC loads on the same FTA-T-20?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the relay contacts are rated for both 250 Vac and 110 Vdc, it is standard engineering practice to keep load types consistent across an FTA to prevent noise and to simplify maintenance. However, since the 8 channels are galvanically isolated from each other, they can technically switch different voltage sources.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I replace a faulty relay on this FTA?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDepending on the specific hardware revision, the relays on the FTA-T-20 are often socket-mounted. This allows for \"hot-maintenance\" where an individual relay can be replaced without replacing the entire termination assembly or disturbing the wiring of the other 7 channels.\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\u003eWire Termination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure that wire ferrules are used when connecting to the screw terminals. This prevents wire fraying and ensures a gas-tight connection, which is critical in corrosive industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Routing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIC-C-07\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecable should be routed away from high-power AC lines to prevent induced noise, even though the relay outputs are relatively robust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContact Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor highly inductive loads (such as large solenoid valves or motor starters), it is recommended to install external RC snubbers (for AC) or flyback diodes (for DC) to extend the life of the FTA relay contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFusing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways ensure that field-side circuits are properly fused. The FTA-T-20 provides the switching logic, but the current-limiting protection should be handled by external terminal fuses or circuit breakers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52667743338859,"sku":"FTA-T-20","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/honeywell-fta-t-20-fta-output-module-qqfm5mreu3l_e04138f4-fd7c-4a5d-9cc3-0b76caa2f4a1.jpg?v=1765501439","url":"https:\/\/www.plcprotech.com\/products\/honeywell-experion-pks-fta-t-20-digital-output-relay-field-termination-assembly","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}