{"product_id":"honeywell-51304362-350-mc-psim11-ucn-serial-i-o-processor-module","title":"Honeywell 51304362-350 MC-PSIM11 UCN Serial I\/O Processor Module","description":"\u003ch2\u003eHoneywell 51304362-350 Serial Interface Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51304362-350\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMC-PSIM11\u003c\/strong\u003e Serial Interface I\/O Processor, operates as a dedicated hardware component for multi-protocol serial communication within Honeywell Universal Control Network (UCN) environments. The assembly establishes asynchronous serial data exchange between UCN host controllers and external field hardware such as PLCs, barcode readers, and printers. Supporting RS-232, RS-422, and RS-485 physical layer interfaces, the module routes communications for up to 15 Modbus RTU-compatible field devices across industrial automation architectures.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51304362-350 (MC-PSIM11)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA \/ Global Outlets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.58 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e146 x 105 x 27 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNominal backplane bus powered via UCN I\/O rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSerial Interface I\/O Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eRS-232, RS-422, RS-485, Modbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology Capacity\u003c\/td\u003e\n\u003ctd\u003eSingle-point RS-232, up to 15 Modbus RTU devices via RS-422\/485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Integration\u003c\/td\u003e\n\u003ctd\u003eHoneywell Universal Control Network (UCN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL compliant, Conformal coated PCB\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 Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe 51304362-350 card incorporates internal channel isolation networks to decouple serial communication transceivers from backplane logic rails, protecting the UCN bus from external field-side voltage transients. While managing asynchronous serial data lines, the module maintains isolation integrity to prevent ground loop propagation in control cabinets housing mixed analog signal networks, including 4-20 mA HART loop protocol instruments co-located on adjacent backplane racks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle electrical isolation across field serial connections?\u003c\/p\u003e\n\u003cp\u003eA: Internal galvanic isolation barriers separate the RS-232\/422\/485 serial transceivers from the UCN backplane bus, preventing ground loops and transient voltage spikes from damaging central controller electronics.\u003c\/p\u003e\n\u003cp\u003eQ: What physical line topologies does the module support for Modbus RTU communication?\u003c\/p\u003e\n\u003cp\u003eA: The hardware supports point-to-point RS-232 connections as well as multi-drop RS-422 and RS-485 differential bus topologies connecting up to 15 Modbus RTU slave devices.\u003c\/p\u003e\n\u003cp\u003eQ: What environmental protection is applied to the circuit board assembly?\u003c\/p\u003e\n\u003cp\u003eA: The printed circuit board features conformal coating to protect internal surface-mount components against atmospheric moisture, dust, and corrosive industrial environments.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the 51304362-350 module securely into the assigned slot of the Honeywell UCN enclosure or sub-rack assembly. Ensure the card edge connectors fully seat into the backplane, and engage all mechanical card latches to verify grounded contact with the metal frame.\u003c\/p\u003e\n\u003cp\u003eRoute RS-232, RS-422, and RS-485 serial cables in dedicated low-voltage wiring ducts, away from AC power lines and variable frequency drive outputs. For RS-485 and RS-422 multi-drop runs, use twisted shielded pair cables and install 120-ohm termination resistors across the physical end nodes of the bus. Ground cable shields at a single point on the enclosure functional earth rail to maintain signal integrity.\u003c\/p\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":51260696887608,"sku":"51304362-350","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/51304362-350.jpg?v=1761011993","url":"https:\/\/www.automodulexpert.com\/products\/honeywell-51304362-350-mc-psim11-ucn-serial-i-o-processor-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}