{"product_id":"honeywell-05701-a-0330-system-57-high-integrity-relay-card","title":"Honeywell 05701-A-0330 System 57 High Integrity Relay Card","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell \u003cstrong\u003e05701-A-0330\u003c\/strong\u003e serves as a critical safety orchestration interface within the System 57 industrial control architecture. This high-integrity relay card translates diagnostic data and alarm conditions from upstream control cards into discrete, heavy-duty physical contact outputs. Engineers deploy this card to drive audible horns, strobe lights, ventilation fans, and emergency shutdown (ESD) master loops.\u003c\/p\u003e\n\u003cp\u003eWe supply this component strictly as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original factory-sealed unit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto guarantee zero contact-wear and ensure instantaneous mechanical switching response across your entire safety plant floor.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe table below highlights the structural and operational parameters engineered into the relay module:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration and Functional Details\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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\u003e05701-A-0330\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh Integrity Relay Card (System 57 Compatible)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal Relay Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Electromechanical Relays\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConfigurable Alarm Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7 Outputs (User-assignable for individual or master alarms)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDedicated Diagnostics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Fault Relay (De-energizes automatically upon module malfunction)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTiming Logic Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eConfigurable delayed switch-on and switch-off parameters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperational Modes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports Master Alarm, Individual Channel Alarm, and Mixed Configurations\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\u003eEliminates Race Conditions via Configurable Delays:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe on-board firmware supports precise delayed switch-on\/off parameters. This capability allows engineers to orchestrate multi-tiered alarm sequences, preventing massive voltage inrush currents caused by the simultaneous startup of multiple exhaust fans or sirens.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFailsafe Isolation of System Faults:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe dedicated eighth fault relay utilizes an inverse logic structure that remains energized during normal operation. If the module loses input power or experiences an internal component failure, the loop instantly de-energizes, alerting the master DCS panel even if the entire control rack shuts down.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProvides Scalable Alarm Logic Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe combination of seven assignable relays allows a single slot to manage complex, voting-logic alarm matrices (e.g., 2oo3 voting setups) or to aggregate inputs into a singular Master Alarm block. This multi-mode configuration reduces the number of specialized cards needed inside cramped marshalling cabinets.\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 I configure the seven alarm relays to act as normally open (NO) or normally closed (NC) contacts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You can configure the alarm outputs via onboard hardware jumpers or software utilities to match your external loop design. This allows seamless integration into both standard tripping circuits and energized-to-trip safety networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the key safety precautions when inserting this card into a live System 57 rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the System 57 chassis permits hot-swapping, you must ensure that all external high-voltage relay loads are isolated via external terminal fuses or circuit breakers before sliding the 05701-A-0330 into the backplane. This action prevents accidental arc-flash or unexpected machine startup during insertion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the fault relay trigger only upon card failure, or does it monitor backplane communication loss as well?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fault relay monitors both internal hardware health and backplane communication integrity. If it detects a microprocessor freeze or a continuous loss of data communication from the master engineering card, the fault relay drops out immediately to safeguard the loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52902210371893,"sku":"05701-A-0330","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/05701-A-0330.png?v=1779240501","url":"https:\/\/www.5gplc.com\/products\/honeywell-05701-a-0330-system-57-high-integrity-relay-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}