{"product_id":"honeywell-900rsm-0101-redundant-switch-module","title":"Honeywell 900RSM-0101 Redundant Switch Module","description":"\u003ch2\u003eHoneywell 900RSM-0101 Redundant Switch Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 900RSM-0101\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e900RSM-0101\u003c\/strong\u003e Redundant Switch Module, operates as a dedicated hardware component for CPU redundancy control and active\/standby switching within the Honeywell ControlEdge HC900 controller system.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e900RSM-0101\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e137 x 35.6 x 151.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 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\u003e5 VDC, 22 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRedundant Switch Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell ControlEdge HC900 Controller System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Role\u003c\/td\u003e\n\u003ctd\u003eRedundant CPU status monitoring and manual\/automatic switchover control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eHC900 controller rack mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Function\u003c\/td\u003e\n\u003ctd\u003eActive\/standby CPU failover management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eCPU status, communication link, and redundancy health monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMode Selection\u003c\/td\u003e\n\u003ctd\u003eRUN, PROGRAM, RUN\/PROG, manual switchover position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot-Swap Capability\u003c\/td\u003e\n\u003ctd\u003eSupports module replacement under controlled rack conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHoneywell Process Control Redundancy Management\u003c\/h3\u003e\n\u003cp\u003eThe 900RSM-0101 manages redundant CPU operating states through direct rack-level communication and controller status monitoring. The module supervises Lead and Reserve processor conditions, then initiates a controller state transition when the active processor requires replacement or fault isolation.\u003c\/p\u003e\n\u003cp\u003eFor ControlEdge HC900 architectures, the module maintains hardware coordination between redundant processors. It provides status indication through dedicated LED signals and supports manual control through a keyed mode switch. The design focuses on controller state management rather than field signal processing.\u003c\/p\u003e\n\u003cp\u003eHoneywell process control modules commonly integrate with industrial communication structures supporting 4-20 mA HART loop protocol, FOUNDATION Fieldbus \/ Profibus PA connectivity, and channel-to-channel isolation concepts. The 900RSM-0101 itself performs redundancy management functions and does not provide direct field I\/O conversion.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 900RSM-0101 process analog or digital field signals?\u003cbr\u003eA: No. The module does not provide analog input, analog output, or digital I\/O channels. It controls redundant CPU status and switchover functions within the HC900 controller architecture.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 900RSM-0101 perform automatic controller failover?\u003cbr\u003eA: Yes. The module monitors redundant processor states and supports automatic transfer from the active CPU to the reserve CPU when configured redundancy conditions are detected.\u003c\/p\u003e\n\u003cp\u003eQ: What is the power requirement of the 900RSM-0101?\u003cbr\u003eA: The module receives rack-provided power and consumes a maximum of 5 VDC at 22 mA.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 900RSM-0101 in the designated Honeywell ControlEdge HC900 rack position according to the controller hardware configuration manual.\u003c\/p\u003e\n\u003cp\u003eVerify that the rack backplane connection is fully seated before applying system power. Keep the module away from high-current switching devices, motor drives, and sources of electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eUse proper cabinet grounding practices and maintain separation between control wiring and power wiring. Follow the recommended shielding and grounding methods for connected communication cables.\u003c\/p\u003e\n\u003cp\u003eBefore replacing the module, confirm the redundant controller operating state and verify that the active and reserve CPU status indicators match the expected configuration. Perform functional checks after installation to confirm correct redundancy operation.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":44503146561624,"sku":"900RSM-0101","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/900RSM-0101-3_1200x1200_364ce52c-c848-4a7a-bd47-07e06c167ac0.jpg?v=1785921734","url":"https:\/\/www.industriaxplc.com\/id\/products\/honeywell-900rsm-0101-redundant-switch-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}