{"product_id":"honeywell-tc-prr021-51309288-125-redundancy-module","title":"Honeywell TC-PRR021 51309288-125 Redundancy Module","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell TC-PRR021\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51309288-125\u003c\/strong\u003e Redundancy Module, operates as a dedicated hardware component for power distribution switching and bus redundancy management within Honeywell Experion PKS platforms.\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\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\u003e51309288-125\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\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eTC-PRR021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRedundancy Modules\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\u003e290 g (0.64 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard C200 \/ C300 rack module size\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 Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e90 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e1.0 A at 5.1 VDC\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 Loop Protocol Processing\u003c\/h3\u003e\n\u003cp\u003eThe TC-PRR021 module executes power rail isolation and fault management across redundant controller channels. Designed to power internal bus electronics, the unit maintains regulated 5.1 VDC output while decoupling dual 24 VDC power sources. This electrical separation provides channel-to-channel isolation, suppressing common-mode line noise and preventing power fault propagation across backplane segments interfacing 4-20 mA HART loop protocol field termination assemblies.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What happens to module output if one of the dual 24 VDC supply inputs fails?\u003c\/p\u003e\n\u003cp\u003eA: The module internal diode-ORing circuit automatically maintains continuous 5.1 VDC output power without voltage interruption or bus reset.\u003c\/p\u003e\n\u003cp\u003eQ: Can the TC-PRR021 redundancy module be replaced while the system rack is energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swapping within redundant rack configurations provided the parallel redundant power path is fully operational.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Ground yourself using a static-dissipative wrist strap before inserting or removing the module from the chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Alignment:\u003c\/strong\u003e Slide the module firmly into the designated rack slot guides until the backplane connectors seat completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring:\u003c\/strong\u003e Verify supply polarity on the 24 VDC input terminals prior to energizing cabinet power feeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Separation:\u003c\/strong\u003e Keep primary 24 VDC power conductors separated from low-level signal cables within enclosure raceways.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53583528100149,"sku":"TC-PRR021 51309288-125","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51309288-125_Cocoai.png?v=1789451473","url":"https:\/\/www.5gplc.com\/products\/honeywell-tc-prr021-51309288-125-redundancy-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}