{"product_id":"foxboro-rh927af-i-a-series-discrete-i-o-module-p0927af","title":"Foxboro RH927AF I\/A Series Discrete I\/O Module P0927AF","description":"\u003ch2\u003eFoxboro RH927AF I\/A Series Discrete I\/O Modules\u003c\/h2\u003e\n\u003cp\u003eConfigured for discrete signal voltage monitoring and status sensing in Foxboro Evo platforms, the \u003cstrong\u003eFoxboro RH927AF\u003c\/strong\u003e (\u003cstrong\u003eFBM238\u003c\/strong\u003e Discrete I\/O Module) provides direct physical and electrical execution. The module manages 32 group-isolated channels to interface field switch contacts, solenoid feedbacks, and motor run signals directly to the control network.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe FBM238 platform uses specific part numbers to designate hardware revs, baseplate compatibility, and conformal coating options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFBM238 \/ RH927AF\u003c\/strong\u003e: Primary ordering code representing the 32-channel discrete I\/O module with G3 conformal coating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eP0927AF\u003c\/strong\u003e: Alternate manufacturing and baseplate assembly part number corresponding to the physical RH927AF hardware block.\u003c\/li\u003e\n\u003c\/ul\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\u003eRH927AF (FBM238 \/ P0927AF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFoxboro\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\u003e0.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.5 cm x 11.5 cm x 11 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard backplane fieldbus supply load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e32 Group Isolated Discrete Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eDiscrete Input\/Output Voltage Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRedundant Module Fieldbus Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGroup-to-System and Channel-to-System Isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Protection\u003c\/td\u003e\n\u003ctd\u003eG3 Conformal Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Channel Isolation Profiles\u003c\/h3\u003e\n\u003cp\u003eThe module integrates channel-to-system and group-to-system galvanic isolation barriers to prevent transient voltage spikes from damaging the internal system fieldbus. Furthermore, the 32 discrete processing channels handle deterministic contact closures and voltage state transitions, transferring real-time status frames across the redundant Fieldbus interface to the Control Processor without introducing loop latency.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the RH927AF module support live insertion and removal during process operations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the FBM238 architecture allows hot-swapping under live backplane power. When deployed in a dual-module fault-tolerant redundant configuration, you can replace a single module without interrupting active signal scanning or affecting the executing control processor logic.\u003c\/p\u003e\n\u003cp\u003eQ: How does the RH927AF connect to field switches and actuators?\u003c\/p\u003e\n\u003cp\u003eA: The high-density 32-channel module requires a dedicated, pin-compatible Foxboro Termination Assembly (TA). The field cables connect to the screw or spring terminals on the TA, which passes signals to the FBM238 module via a standardized multi-conductor cable.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eFirst, ensure that the fieldbus baseplate slot is clean and free of dust or metallic debris before plugging in the hardware. Secure the module onto the DIN-rail mounted baseplate by aligning the locking tabs and firmly pressing until the latch locks into position.\u003c\/p\u003e\n\u003cp\u003eNext, implement proper cable shielding protocols. Ground all field wiring shields at a single dedicated point on the system earth bar to prevent ground loops. Maintain a minimum gap of 200 mm between low-voltage fieldbus signal cables and high-voltage AC power lines to minimize electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eFinally, ensure at least 5 threads of engagement when connecting conduits to field junction boxes, and confirm that cabinet airflow clearance stays above 50 mm around the module heatsink vents to maintain effective thermal dissipation.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43096788533338,"sku":"FBM238","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/310.1_d45eb423-5dc1-45c6-9825-62cfb7714006.jpg?v=1774260070","url":"https:\/\/www.spareoil.com\/products\/foxboro-rh927af-i-a-series-discrete-i-o-module-p0927af","provider":"SpareOil Automation","version":"1.0","type":"link"}