{"product_id":"tk-prr021-honeywell-redundancy-modules","title":"TK-PRR021 Honeywell Redundancy Modules","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell TK-PRR021\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTK-PRR021\u003c\/strong\u003e Redundancy Modules, operates as a dedicated hardware component for C200 controller failover execution within Experion PKS system architectures.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable style=\"width: 99.9521%; height: 254.583px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003cth style=\"width: 23.2159%; height: 19.5833px;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 73.9119%; height: 19.5833px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 19.5833px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 19.5833px;\"\u003eTK-PRR021 (Part No. 51309288-275)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 19.5833px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 19.5833px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 19.5833px;\"\u003eOrigin\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 19.5833px;\"\u003eUSA \/ Global Manufacturing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 19.5833px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 19.5833px;\"\u003e0.45 kg (Shipping Weight: 2 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 19.5833px;\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 19.5833px;\"\u003e0 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 39.1667px;\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 39.1667px;\"\u003e0.090 A at 24 VDC \/ 1.000 A at 5 VDC \/ 0.750 A at 3.3 VDC \/ 0.007 A at 1.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 19.5833px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 19.5833px;\"\u003eRedundancy Module (RM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 39.1667px;\"\u003eChassis Slots Used\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 39.1667px;\"\u003e2 slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 23.2159%; height: 39.1667px;\"\u003eController Support\u003c\/td\u003e\n\u003ctd style=\"width: 73.9119%; height: 39.1667px;\"\u003eC200 Controller Redundancy Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Deterministic Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe TK-PRR021 module provides dedicated fiber-optic sync link routing between primary and secondary C200 controller nodes. Operating alongside field analog process loops using the 4-20 mA HART loop protocol, the redundancy interface maintains full channel-to-channel isolation across backplane buses to block common-mode noise and ground loops.\u003c\/p\u003e\n\u003cp\u003eHigh-speed memory reflection cycles between redundant C200 processors occur continuously without impacting control execution loops or disturbing analog signal integrity across local I\/O subnets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How many chassis slots does the TK-PRR021 redundancy module require?\u003c\/p\u003e\n\u003cp\u003eA: The TK-PRR021 occupies 2 adjacent slots within the Honeywell C200 rack chassis.\u003c\/p\u003e\n\u003cp\u003eQ: What are the backplane power supply current draws for the TK-PRR021 module?\u003c\/p\u003e\n\u003cp\u003eA: The module draws 0.090 A at 24 VDC, 1.000 A at 5 VDC, 0.750 A at 3.3 VDC, and 0.007 A at 1.2 VDC from the backplane power bus.\u003c\/p\u003e\n\u003cp\u003eQ: Can the redundancy module be replaced while the primary controller is operating?\u003c\/p\u003e\n\u003cp\u003eA: Replacement must follow Honeywell C200 maintenance procedures to ensure state synchronization is safely held by the active redundant pair during module swap.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the C200 chassis power supply capacity meets total backplane current requirements, including the multi-rail power draw of the TK-PRR021.\u003c\/li\u003e\n\u003cli\u003eFully seat the module into the two designated chassis slots and tighten the top and bottom retaining screws to ensure proper backplane connection.\u003c\/li\u003e\n\u003cli\u003eConnect dedicated redundancy link cables directly between paired TK-PRR021 modules without routing through intermediary switches.\u003c\/li\u003e\n\u003cli\u003eMaintain clean optical fiber connections on redundancy link ports and adhere to minimum cable bend radius limits in enclosure raceways.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53197504119093,"sku":"TK-PRR021 51309288-275","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/TK-PRR021.png?v=1784705418","url":"https:\/\/www.5gplc.com\/products\/tk-prr021-honeywell-redundancy-modules","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}