{"product_id":"honeywell-51202942-200-smart-transmitter-interface-module","title":"Honeywell 51202942-200 Smart Transmitter Interface Module","description":"\u003ch2\u003eHoneywell 51202942-200 Smart Transmitter Interface Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51202942-200\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51202942-200\u003c\/strong\u003e Smart Transmitter Interface Module, operates as a dedicated hardware component for multi‑channel SmartLine transmitter communication within Experion PKS and C300 controller networks. The module executes digitally enhanced transmitter polling, channel acquisition, and field‑device data transfer over extended cable distances.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e51202942-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e70 mm × 25 mm × 125 mm (cabinet listing also shows 7 × 14 × 14.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e10–32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e8 Smart Transmitter Interface channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eHoneywell Digitally Enhanced (D.E.) protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMax Cable Distance\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eUp to 1000 m (D.E. communication)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSystem Platform\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eExperion PKS \/ C300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSmart Transmitter Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCommunication Service\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eEthernet router (system-level listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Fieldbus Interaction\u003c\/h3\u003e\n\u003cp\u003eHoneywell SmartLine and D.E. protocol devices often coexist with 4-20 mA HART loops in mixed DCS environments. The 51202942-200 maintains channel‑to‑channel isolation to prevent HART superimposed frequencies from interfering with D.E. polling cycles. When deployed alongside FOUNDATION Fieldbus or Profibus PA modules, wiring separation ensures that digital polling bursts do not couple into analog temperature modules using \u003cstrong\u003ecold junction compensation\u003c\/strong\u003e circuits. Stable supply voltage across the 10–32 VDC range preserves transmitter reference accuracy and prevents drift in loop‑powered instruments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 51202942-200 be hot‑swapped in a powered C300 chassis?\u003c\/strong\u003e A: No. The module is not designed for hot‑swap. Backplane power must be removed before insertion or removal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support non‑SmartLine transmitters?\u003c\/strong\u003e A: The module is optimized for Honeywell SmartLine 3000 devices using the D.E. protocol. Standard analog transmitters require separate analog input modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does cable length affect D.E. communication?\u003c\/strong\u003e A: D.E. polling remains stable up to 1000 m when proper shielding, grounding, and conductor sizing are maintained.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMaintain shield bonding at a single termination point to avoid circulating currents along long transmitter runs. Route D.E. communication wiring separately from high‑current conductors to minimize noise coupling. Ensure terminal engagement is secure and within the recommended conductor size. When integrating with mixed analog and digital modules, preserve isolation boundaries by maintaining proper spacing and grounding between Smart Transmitter Interface channels and analog loops. Avoid running D.E. communication cables parallel to variable‑frequency drive outputs or relay coils.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45440199622846,"sku":"51202942-200","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/honeywell-51202942-200-smart-transmitter-interface-module-bvmvllnlpzq_ecca30a0-4914-404f-9eac-5bbec322248b.png?v=1759023431","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51202942-200-smart-transmitter-interface-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}