{"product_id":"honeywell-fc-iota-r24-51306505-175-redundant-io-termination-assembly","title":"Honeywell FC-IOTA-R24 51306505-175 Redundant IO Termination Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell FC-IOTA-R24 51306505-175\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51306505-175\u003c\/strong\u003e Redundant IO Termination Assembly, operates as a dedicated hardware component for field signal termination and redundant channel routing within Safety Manager SC and Functional Safety Controller (FSC) systems. It accommodates dual RUSIO-3224 or RUSLS-3224 modules arranged in primary and secondary positions, managing physical I\/O connections, dual Ethernet communications, and power distribution across a 32-channel backplane matrix without interrupting field-side signal integrity.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBase Part Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eModel Prefix\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eAssembly Revision\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSystem Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e51306505-175\u003c\/td\u003e\n\u003ctd\u003eFC\u003c\/td\u003e\n\u003ctd\u003eIOTA-R24\u003c\/td\u003e\n\u003ctd\u003eSafety Manager Redundant Universal IO Termination Assembly (32-Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eFC-IOTA-R24 51306505-175\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e44.2 cm x 12.0 cm x 6.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C (-40 to +158 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax supply load 10 A (Protected by 15 A blade fuse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (-15% \/ +30%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e32 Universal I\/O channels (CN1 and CN2 connectors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive AI Power\u003c\/td\u003e\n\u003ctd\u003e4 V+ connections on CN3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e2 x RJ45 100MB Ethernet (RIOLA and RIOLB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Modules\u003c\/td\u003e\n\u003ctd\u003eDual RUSIO-3224 or RUSLS-3224 Safety I\/O Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Galvanic Loop Routing\u003c\/h3\u003e\n\u003cp\u003eThe assembly integrates channel-to-channel isolation architecture across all 32 universal channels to prevent earth fault propagation and common-mode noise transfer between loop devices. Internal bus traces route field signals through individual galvanic barrier pathways before interfacing with the active safety module connectors. Each 4-20 mA HART loop and discrete digital line maintains strict electrical separation from the main backplane logic rail, preventing localized high-voltage transients or ground potential differences from corrupting adjacent signal lines or degrading safety loop integrity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How are power switches POWER 1 and POWER 2 utilized during module maintenance?\u003c\/p\u003e\n\u003cp\u003eA: POWER 1 and POWER 2 switches independently isolate the 24 VDC supply feeds to Module A (top position) and Module B (bottom position). De-energizing a single switch isolates power to the targeted module slot, enabling safe module removal or insertion without dropping field loop power or interrupting the redundant module's active monitoring duties.\u003c\/p\u003e\n\u003cp\u003eQ: What is the purpose of the CN3 V+ connector terminals on the assembly?\u003c\/p\u003e\n\u003cp\u003eA: The CN3 connector provides four identical V+ power taps specifically wired to supply auxiliary 24 VDC power to active 4-20 mA analog input field transmitters requiring direct loop excitation from the termination assembly.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the assembly on standard carrier rails, maintaining a minimum clearance of 50 mm around ventilation slots to ensure passive heat dissipation up to +70 deg C.\u003c\/li\u003e\n\u003cli\u003eConnect field loop wiring to CN1 and CN2 terminal sets, terminating positive conductors to designated channel terminals and negative conductors to the 0 V row.\u003c\/li\u003e\n\u003cli\u003eTighten power wire screws on the 24 V DC and COM power rail connections to a recommended torque of 0.5 Nm to maintain solid low-resistance contacts under maximum 10 A continuous loads.\u003c\/li\u003e\n\u003cli\u003eEnsure Ethernet cables plugged into RIOLA and RIOLB ports use shielded twisted-pair (STP) Cat 5e\/Cat 6 cabling with drain wires grounded at the panel entry point to prevent electromagnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003eVerify that the internal 15 A blade fuse is fully seated in its holder prior to energizing system power rails.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":45371272921203,"sku":"FC-IOTA-R24 51306505-175","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/CC-TUIO01.png?v=1787038981","url":"https:\/\/www.dcssupplier.com\/products\/honeywell-fc-iota-r24-51306505-175-redundant-io-termination-assembly","provider":"DcsSupplier Limited","version":"1.0","type":"link"}