{"product_id":"900rsm-0101-honeywell-sil2-process-safety-module-new-stock","title":"900RSM-0101 Honeywell SIL2 Process Safety Module | New Stock","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 900RSM-0101\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-performance Redundant Switch and Remote Station Module (RSM) for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHC900 Hybrid Control System\u003c\/strong\u003e. This module specifically supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL2 (Safety Integrity Level 2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprocess and safety applications, providing the critical communication link between redundant CPU racks and remote I\/O stations. It monitors I\/O power status and synchronizes data across the high-speed serial backplane to ensure continuous operation in high-availability environments. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Sealed\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee the integrity of your safety-critical control architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Value\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e900RSM-0101\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL2 Certified (Process and Safety)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRedundant Switch \/ Remote I\/O Status\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHC900 Redundant Controller Racks (900R12R, 900R08R)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-speed Serial Bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (Backplane Integrated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to +60°C (32°F to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e137 × 38 × 137 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.75 lbs (0.34 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20 (Cabinet Installation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSIL2 Safety Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 900RSM-0101 meets stringent SIL2 requirements for process safety. It executes diagnostic checks on the communication path and power status, making it the preferred choice for safety-critical interlocks in chemical and petrochemical facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Redundancy Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module manages the high-speed switchover between redundant controllers. It ensures the secondary CPU maintains perfect synchronization with the primary unit, preventing data loss or process bumps during a hardware transition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDistributed I\/O Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe RSM architecture allows the placement of I\/O racks close to field devices. This distributed approach eliminates long-distance home-run cabling, which significantly reduces installation costs and improves signal-to-noise ratios for sensitive analog measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eI\/O Power Status Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard communication modules, the 900RSM-0101 actively monitors the health of the rack's power supply. It reports power fluctuations or failures to the CPU immediately, allowing the system to trigger failsafe protocols before logic execution is compromised.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Serial Backplane:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module utilizes a proprietary high-speed serial bus. This dedicated pathway guarantees deterministic data transfer rates, ensuring that time-critical PID loops and safety sequences execute within their defined scan windows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 900RSM-0101 be used in non-safety HC900 systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, while it carries SIL2 certification for safety systems, it is fully backward compatible with standard HC900 redundant racks where high-reliability communication and power status monitoring are required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary difference between the 900RSM-0001 and the 900RSM-0101?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 900RSM-0101 includes advanced safety diagnostics and I\/O power status monitoring capabilities required for SIL2 safety-rated systems, whereas the 0001 model is typically used for general-purpose distributed I\/O.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require separate software configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is recognized automatically by the Honeywell HC900 Designer software when added to the hardware configuration. You simply assign the Rack ID via the module's physical switches or software settings during commissioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 900RSM-0101 hot-swappable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. In a redundant rack configuration, you can replace a faulty RSM module while the system is powered. The redundant architecture ensures that communication remains active through the secondary module during the swap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43187808698458,"sku":"900RSM-0101","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/398_e72e6bf7-0463-4abe-8bf7-9255e35df89b.jpg?v=1775546117","url":"https:\/\/www.spareoil.com\/products\/900rsm-0101-honeywell-sil2-process-safety-module-new-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}