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The FC-MCAR-02 is a 36-inch panel-mounted heavy-duty carrier substrate, acting specifically as a mechanical supporting framework within the safety management system to physically suspend two sets of FC-IOTA-R24 redundant termination assemblies or accommodate up to 18 remote signal modules. It consists of a cable carrier, metal structural profiles, and a centralized grounding copper bar with 32 screws, with the main power distribution bus capable of conducting a maximum direct current of 40 A. The hardware does not include any digital circuits, microprocessors, communication interfaces, or software protocols.
18 independent field signal modules
G3 harsh environment protection level
Centralized grounding copper bar with 32 screw terminals
The FC-MCAR-02 belongs to the core field architecture of the Honeywell Fail Safe Controller and Safety Manager platforms. Installed inside industrial enclosures, it provides a highly stable backplane framework that directly links remote tracking modules with upper-level processing networks. The hardware features specialized power rails equipped with pre-drilled M5 threaded holes, allowing multiple base substrates to link vertically to share electrical distribution loops in a daisy-chain configuration. It also integrates physical alignment guide tracking channels to ensure that critical signal pins remain locked and synchronized during the rapid hot-swapping or field maintenance of upper component blocks, completely eliminating potential wiring damage from human error.
The FC-MCAR-02 complies fully with the ISA-S71.04 G3 standard for airborne chemical contaminant protection, and its robust metal profiles also meet NEMA 4X industrial criteria for environmental resilience against water splashes, dust accumulation, and severe atmospheric corrosion. Equipped with dual plastic cover plates to protect internal circuits, the unit withstands a broad ambient operational envelope from -40°C up to 70°C. It incorporates heavy-duty electricity conduction rails rated for 24V DC configurations, routing bulk energy safely to individual safety terminal rows. This passive busbar matrix functions reliably across demanding continuous plant operations without generating localized thermal buildup, supporting safe signal transmission for critical emergency shutdown loops.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Honeywell FC-MCAR-02 SM RIO 36-inch Mounting Carrier Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in t330101-00-16-10-01-05n.
Oil & Gas Extraction Platforms
Hosts universal safety I/O modules inside the control cabinets of offshore drilling platforms or onshore oil production stations for the centralized signal access and grounding of Fire and Gas (F&G) detection systems.
Petrochemical & Oil Refineries
Deployed inside the racks of core refinery control rooms to physically suspend redundant termination assemblies, handling millisecond-level power distribution and interlock triggering for emergency shutdown (ESD) valves of heavy oil catalytic cracking units.
Nuclear & Conventional Power Plants
Acts as the underlying mechanical framework in nuclear power gas turbine control systems or large boiler main circuits, hosting high-density remote signal modules to monitor and control steam turbine overspeed protection loops.
Coal Mining & Underground Mines
Deployed inside underground wellhead centralized control explosion-proof enclosures or surface ventilation control cabinets, hosting methane drainage and safety interlock modules while providing heavy-duty structural support resistant to mechanical vibration.
Offshore Wind Power Substation Platforms
Installed in the cabinets of offshore unmanned substations, distributing DC power to redundant safety termination assemblies via embedded copper power distribution busbars (CCA) to resist the physical erosion of high-salt mist marine atmospheres.
When using the FC-MCAR-02 carrier rail, you must strictly adhere to the maximum 40A current and 24VDC voltage limits to prevent overloading. The copper power busbars connecting multiple rails must be securely fastened to avoid excessive contact resistance and overheating. Ensure proper grounding to eliminate electrical interference, operate within the rated temperature range of -40°C to +70°C, and regularly inspect mechanical fasteners to guarantee that the mounted FC-IOTA-R24 termination assemblies remain stable and secure.
Alternative Names
Alternative Names
FC MCAR 02FC-MCAR-O2
Technical notes
Technical notes
A 36" G3-coated panel-mounted mechanical carrier featuring a 40 A DC distribution busbar and a 32-screw grounding bar, holding two sets of FC-IOTA-R24 assemblies or 18 signal modules without any digital circuitry.
It is a 36-inch panel-mounted heavy-duty mounting carrier that serves as a mechanical supporting framework for field I/O modules within the Honeywell safety management system.
What is the essential difference between FC-MCAR-02 and conventional electronic modules?
It is a purely passive mechanical and power distribution baseplate, containing no digital microprocessors, integrated circuits, chips, firmware, or software protocols internally.
What does the FC-MCAR-02 primarily host inside a control cabinet?
It is primarily used to vertically suspend and physically secure two sets of FC-IOTA-R24 redundant termination assemblies or directly dock up to 18 independent remote signal modules (SM RIO).
How to correctly physically secure the FC-MCAR-02 in an industrial field?
The hardware needs to be fixed vertically onto the metal side panels or dedicated mounting channels inside the control cabinet using standard mechanical screws through its own alignment holes.
What kind of electrical distribution circuits are integrated inside the FC-MCAR-02?
It embeds heavy-duty copper power distribution busbars (CCA) internally to uniformly distribute DC operating power to the termination assemblies and signal modules connected to it.
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