{"product_id":"honeywell-fc-iobus-cpio2-i-o-bus-extension-module","title":"Honeywell FC-IOBUS-CPIO2 I\/O Bus Extension Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell FC-IOBUS-CPIO2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFC-IOBUS-CPIO2\u003c\/strong\u003e I\/O Bus Extension Module, operates as a dedicated hardware component for safety bus expansion and remote chassis signal bridging within Honeywell Safety Manager platforms. It facilitates deterministic data transmission between central logic solvers and distributed I\/O racks, supporting signal interfacing across 2 configurable channels with a high-speed sampling rate of 100 kHz.\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\u003eFC-IOBUS-CPIO2\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\u003e3.7 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 mm x 100 mm x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.5 W maximum power dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (plus\/minus 10% tolerance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e2 configurable channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Inputs\u003c\/td\u003e\n\u003ctd\u003e4-20 mA Analog, Digital, Thermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Output Range\u003c\/td\u003e\n\u003ctd\u003e0 to 21 mA (supports over-range diagnostics)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRS-485 physical layer (supports I\/O Bus-CX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStandard 35 mm DIN rail or panel mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Signal Processing Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe FC-IOBUS-CPIO2 incorporates ferrite-core filtering and EMI\/RFI shielding to maintain signal integrity across long-distance communication runs. Operating within DCS and SIS architectures, the module processes 4-20 mA HART loop protocol signals alongside discrete and thermocouple field inputs. The analog driving stages support an extended output range of 0 to 21 mA for open-loop diagnostic monitoring. Channel-to-channel isolation prevents ground loops and high-voltage field-side electrical surges from propagating to upstream Safety Manager backplanes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the FC-IOBUS-CPIO2 suppress electromagnetic noise in industrial environments?\u003c\/p\u003e\n\u003cp\u003eA: The hardware incorporates ferrite-enhanced filtering circuits and internal metal shielding, providing high-frequency suppression of EMI and RFI generated by adjacent high-voltage switchgear.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions are required when performing hot-swap procedures on this module?\u003c\/p\u003e\n\u003cp\u003eA: Module replacement must adhere strictly to Honeywell Safety Manager online maintenance guidelines to prevent safety loop disruption and verify bus termination integrity prior to chassis insertion.\u003c\/p\u003e\n\u003cp\u003eQ: Which protocol standards and physical media govern the external bus connection?\u003c\/p\u003e\n\u003cp\u003eA: Communication relies on an RS-485 physical layer running the proprietary I\/O Bus-CX protocol, with external conversion options for Modbus and EtherNet\/IP protocol integration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Installation:\u003c\/strong\u003e Mount the module onto a standard 35 mm DIN rail or bolt directly to the backplate using the panel-mounting holes inside an IP54 or higher cabinet enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring \u0026amp; Termination:\u003c\/strong\u003e Terminate 24 VDC power and RS-485 communication lines to the designated terminal blocks. Observe polarity limits and ensure correct RS-485 bus line termination impedance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding:\u003c\/strong\u003e Connect field cable shielding and drain wires to the main earth bus bar using single-point ground straps to eliminate stray electrical interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Separation:\u003c\/strong\u003e Route low-voltage RS-485 and 4-20 mA signal cabling in dedicated wire ducts, maintaining a minimum physical clearance of 30 cm from high-voltage AC lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52721072374056,"sku":"FC-IOBUS-CPIO2","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/FC-IOBUS-CPIO2.jpg?v=1790067035","url":"https:\/\/www.powerdcs.com\/products\/honeywell-fc-iobus-cpio2-i-o-bus-extension-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}