{"product_id":"mu-tstx13-51309142-125-honeywell-hlai-sti-screw-type-field-termination-assembly","title":"MU-TSTX13 51309142-125 | Honeywell  HLAI STI Screw-Type Field Termination Assembly","description":"\u003ch2\u003e\u003cstrong\u003eTechnical Product Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMU-TSTX13 (51309142-125)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized High-Level Analog Input (HLAI) Smart Transmitter Interface (STI) designed for the Honeywell TDC 3000 and Experion PKS control architectures. This Field Termination Assembly (FTA) is engineered to facilitate high-speed digital communication between smart field devices and the I\/O processor while maintaining precise analog signal integrity.\u003c\/p\u003e\n\u003cp\u003eAs a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRevision C E-6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware variant, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMU-TSTX13 (51309142-125)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures reinforced screw-type terminals, providing a gas-tight mechanical connection for 4-20mA current loops. This interface is specifically optimized for \"Smart\" transmitters, allowing for secondary variables and diagnostic data to be passed through to the control system without interrupting the primary process variable.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetailed Engineering Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e: High-Level Analog Input (HLAI) \/ Smart Transmitter Interface (STI)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTermination Style\u003c\/strong\u003e: Heavy-duty screw terminals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-52\"\u003e\u003c\/span\u003e\u003cstrong\u003eChannel Capacity\u003c\/strong\u003e\u003cspan class=\"citation-52 citation-end-52\"\u003e: 16-Channel high-density configuration\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-51\"\u003e\u003c\/span\u003e\u003cstrong\u003eSignal Compatibility\u003c\/strong\u003e\u003cspan class=\"citation-51 citation-end-51\"\u003e: 4-20mA DC (HART\/Smart digital overlay compatible)\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardware Revision\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e51309142-125\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRev C E-6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e: Powered via the I\/O Link from the Process Manager (PM\/APM\/HPM)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e: 24 VDC nominal field power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e: Compatible with standard Honeywell FTA mounting channels (e.g., MU-TMCN02)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e: Optical and galvanic isolation between field circuitry and I\/O Link\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e: Integrated surge suppression and overcurrent protection per channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eSystem Integration and Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMU-TSTX13 (51309142-125)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a critical component for plants migrating from traditional analog signaling to \"Smart\" instrumentation. The Revision C hardware includes optimized impedance matching for the STI protocol, ensuring that digital handshakes between the transmitter and the DCS are not degraded by long cable runs or electromagnetic interference.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the Screw-Type (TSTX) over Compression-Type terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMU-TSTX13 (51309142-125)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003escrew terminals are often preferred in high-vibration environments or applications where field wiring uses larger gauge conductors, as they offer higher mechanical torque and pull-out resistance compared to spring-loaded compression alternatives.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this FTA be used with non-Smart (standard 4-20mA) transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. While it is optimized for Smart Transmitter Interfaces, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMU-TSTX13 (51309142-125)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis fully backward compatible with standard high-level analog signals.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52467750863157,"sku":"MU-TSTX13 51309142-125","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/MU-TSTX13.png?v=1774245858","url":"https:\/\/www.5gplc.com\/products\/mu-tstx13-51309142-125-honeywell-hlai-sti-screw-type-field-termination-assembly","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}