{"product_id":"mc-tsia12-51303932-478-honeywell-modbus-serial-interface-field-termination-assembly","title":"MC-TSIA12 51303932-478 | Honeywell Modbus Serial Interface Field Termination Assembly","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell MC-TSIA12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Part Number: 51303932-478) serves as a specialized Serial Interface Field Termination Assembly (FTA) optimized for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eModbus RTU communication\u003c\/strong\u003e. This module bridges Honeywell Input\/Output Processors (IOP) with external Modbus-compatible devices, ensuring seamless data exchange across the industrial network. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, providing a pristine hardware foundation for high-accuracy telemetry and control integration.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\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 Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMC-TSIA12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e51303932-478\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModbus RTU\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBaud Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e19.2 kbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChannel Count\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Channels per IOP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Transmission Distance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e300 Meters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommon Mode Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 V RMS (Continuous)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.4 Watts (Maximum)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminal Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDB25 or Compression Terminals\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNeutralizes Electrical Interference:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe MC-TSIA12 maintains a continuous 250 V RMS common-mode voltage rating. This high isolation barrier protects the central control logic from ground loops and electrical surges common in expansive field networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtends Operating Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt for the edge, this FTA operates flawlessly from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e-40°C to +70°C\u003c\/strong\u003e. It withstands the thermal stress of non-climate-controlled marshalling cabinets in extreme environments, such as desert oil fields or arctic processing plants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStreamlines Modbus Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module hardware supports a fixed 19.2 kbps baud rate and an 8-bit data format with parity. This standardization simplifies the configuration of Modbus RTU networks, ensuring rapid handshake and stable data polling with flow meters, power analyzers, and PLCs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Termination Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEngineers can choose between DB25 connectors for rapid plug-and-play setup or compression terminals for secure, vibration-resistant field wiring. This flexibility solves the physical installation challenges of tight cabinet spaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMinimizes Thermal Load:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a maximum power dissipation of only 1.4 watts, the MC-TSIA12 reduces the heat signature within the I\/O rack. This low-power design prevents localized overheating and extends the MTBF (Mean Time Between Failure) of adjacent components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the MC-TSIA12 for redundant serial links?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis specific model does not support redundancy. For applications requiring fault-tolerant serial communication, you must implement dual-path logic at the processor level or utilize a different FTA model designed for redundant pair operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum cable length for a stable Modbus connection?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe MC-TSIA12 supports a maximum distance of 300 meters. To ensure signal integrity at this range, use high-quality shielded twisted-pair (STP) cabling to minimize electromagnetic interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit a \"New Old Stock\" (NOS) or factory-fresh item?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWe guarantee the MC-TSIA12 is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. It ships in its original Honeywell factory packaging with intact seals, ensuring it has never been deployed in a field environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support protocols other than Modbus RTU?\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 51303932-478 is specifically engineered for Modbus RTU communication. Using this module for other serial protocols may result in communication failures or incorrect data parsing within the Honeywell IOP environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52574999970101,"sku":"MC-TSIA12 51303932-478","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/MC-TSIM1251303932-4762_dfd91936-9e7c-420d-84cb-11bd29298924.jpg?v=1776310086","url":"https:\/\/www.5gplc.com\/products\/mc-tsia12-51303932-478-honeywell-modbus-serial-interface-field-termination-assembly","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}