{"product_id":"compact-discrete-input-module-foxboro-rh916xz-fbm217","title":"Compact Discrete Input Module | Foxboro RH916XZ FBM217","description":"\u003ch2\u003eFoxboro FBM217 RH916XZ Compact Discrete Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro FBM217 RH916XZ\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eFBM217\u003c\/strong\u003e Compact Discrete Input Module, operates as a dedicated hardware component for 32-channel discrete signal acquisition within Foxboro I\/A Series and Evo control platforms. The unit captures binary status changes from physical contact closures and converts field states into digital data streams across the redundant 2 Mbps Fieldbus backplane.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe module identifier specifies both the base functional series and exact hardware configuration options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFBM217\u003c\/strong\u003e: Base hardware architecture designating a 32-channel discrete input field bus module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRH916XZ\u003c\/strong\u003e: Specific part number designation representing the compact physical form factor and 24 VDC group-isolated input assembly.\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\u003eFoxboro FBM217 RH916XZ\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.2 x 11.4 x 4.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 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\u003e3 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCompact Discrete Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 group-isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (+5%, -10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage\u003c\/td\u003e\n\u003ctd\u003e15-30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage\u003c\/td\u003e\n\u003ctd\u003e0-5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Input Current\u003c\/td\u003e\n\u003ctd\u003e2.2 mA at 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSource Resistance\u003c\/td\u003e\n\u003ctd\u003eOn \u0026lt;= 1 k ohm, Off \u0026gt;= 100 k ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfigurable Debounce\u003c\/td\u003e\n\u003ctd\u003e0, 4, 8, 16, 32 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Pulse Frequency\u003c\/td\u003e\n\u003ctd\u003e250 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eRedundant 2 Mbps Fieldbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Fieldbus Isolation Features\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eFoxboro FBM217 RH916XZ\u003c\/strong\u003e features group-isolated channel architecture to eliminate stray earth currents and mitigate severe electrical noise in dense panel enclosures. Internal conditioning circuits route incoming 24 VDC binary inputs through configurable debounce filters (0 to 32 ms) to prevent mechanical switch chatter from generating false system alarms. The module processes high-speed pulse detection up to 250 Hz and transmits verified discrete state updates over the dual 2 Mbps Fieldbus link to guarantee deterministic logic evaluation within the host controller.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the Foxboro FBM217 RH916XZ support online hot-swapping during active system execution?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module supports live insertion and removal on powered baseplates. Maintenance teams can replace an active unit without interrupting signal processing on adjacent baseplate slots or disrupting communication across the redundant 2 Mbps Fieldbus.\u003c\/p\u003e\n\u003cp\u003eQ: How does setting the debounce filter time impact fast digital pulse detection?\u003c\/p\u003e\n\u003cp\u003eA: Increasing the debounce filter setting delays state updates to suppress mechanical contact bounce; however, selecting longer debounce intervals (e.g., 32 ms) limits the maximum detectable pulse frequency below the hardware limit of 250 Hz.\u003c\/p\u003e\n\u003cp\u003eQ: What mechanisms protect internal backplane electronics from field-side voltage surges?\u003c\/p\u003e\n\u003cp\u003eA: Galvanic group isolation barriers separate the 24 VDC field input wiring from the internal processing logic, blocking common-mode voltage spikes and ground loops from entering the Fieldbus network.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eStrict adherence to mechanical mounting and grounding procedures preserves noise rejection and system reliability:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAlign the module with the target baseplate slot and press firmly until the retention latches engage the backplane connector fully.\u003c\/li\u003e\n\u003cli\u003eTighten the top and bottom panel mounting screws to secure mechanical grounding to the chassis frame.\u003c\/li\u003e\n\u003cli\u003eRoute field input wiring through dedicated wire ducts, keeping 24 VDC signal lines separated from high-voltage AC power conductors to prevent inductive coupling.\u003c\/li\u003e\n\u003cli\u003eTerminate all field cable shield drain wires directly to the central cabinet Earth ground bar using a single low-impedance termination point.\u003c\/li\u003e\n\u003cli\u003eInstall solid chassis slot covers over any empty baseplate positions to preserve correct thermal convection paths across active module heat sinks.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43927751393379,"sku":"FBM217 RH916XZ","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/252_b9585b0e-5427-46c7-97c4-7edad2575161.jpg?v=1767146006","url":"https:\/\/www.autocontrolglobal.com\/products\/compact-discrete-input-module-foxboro-rh916xz-fbm217","provider":"AutoControl Global","version":"1.0","type":"link"}