{"product_id":"epro-a6740-12-16-channel-relay-output-module","title":"Epro A6740\/12 16-Channel Relay Output Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA6740\/12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erelay output module from Emerson EPRO is designed for machinery protection systems requiring deterministic and high-integrity switching signals. Installed within AMS 6500 and MMS 6000 platforms, this module converts monitored condition signals into discrete relay outputs for alarms, shutdown interlocks, and external control systems.\u003c\/p\u003e\n\u003cp\u003eEngineered for critical rotating equipment, the module integrates 16 independent relay channels with flexible logic configuration. It supports complex decision-making through programmable Boolean logic and configurable delay functions, allowing precise response to machine condition events such as vibration, overspeed, or displacement limits.\u003c\/p\u003e\n\u003cp\u003eIts hot-swappable design ensures continuous operation during maintenance, a key requirement in high-availability environments such as turbines and compressors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA6740\/12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a signal execution layer within a machinery protection system. It receives processed condition signals from monitoring modules and translates them into relay actions. Key operational capabilities include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable relay actuation based on alarm states (Alert, Danger, OK)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupport for logical combinations such as AND, OR, and 2oo3 voting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTime-delayed switching for controlled shutdown sequences\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRedundant relay configuration to enhance system reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRelay Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Channels\u003c\/td\u003e\n\u003ctd\u003e16 × SPDT (Single Pole Double Throw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003eUp to 5 A @ 250 V AC \/ 30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC (13–32 V DC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Modes\u003c\/td\u003e\n\u003ctd\u003eNO\/NC selectable, energized or de-energized configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Functions\u003c\/td\u003e\n\u003ctd\u003eAND, OR, 2-out-of-3 voting, combinational logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Logic Expressions\u003c\/td\u003e\n\u003ctd\u003eUp to 30 per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signals\u003c\/td\u003e\n\u003ctd\u003eUp to 60 system inputs (Alert, Danger, OK states)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime Delay\u003c\/td\u003e\n\u003ctd\u003eAdjustable from 0 to 30 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eIntegrated via system backplane (AMS 6500 \/ MMS 6000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003e3U Eurocard, 2-slot width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Width\u003c\/td\u003e\n\u003ctd\u003e12TE (MMS 6000 rack), 10TE variant for AMS 6500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e60 × 128 × 160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Swap\u003c\/td\u003e\n\u003ctd\u003eSupported (API 670 compliant systems)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental and Compliance Data\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature: –40°C to +85°C (system dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtection Rating: Up to IP65 (AMS 6500 installation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVibration Resistance: IEC 68-2-6 (0.15 mm, 10–55 Hz; 19.6 m\/s², 55–150 Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShock Resistance: IEC 68-2-29 (98 m\/s², 16 ms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliance: API 670, CE, RoHS\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA6740\/12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis typically applied in safety-critical monitoring and protection systems for rotating machinery:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam and gas turbines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentrifugal and reciprocating compressors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHydro turbines and generators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePetrochemical and refinery equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What distinguishes the A6740\/12 from standard relay modules?\u003c\/strong\u003e\u003cbr\u003eA: It is specifically designed for machinery protection systems with API 670 compliance, offering advanced logic handling and high-reliability relay switching.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module be replaced without shutting down the system?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports hot-swapping when used within compatible AMS 6500 or MMS 6000 racks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many input conditions can be processed?\u003c\/strong\u003e\u003cbr\u003eA: The module can evaluate up to 60 input signals and map them to 16 relay outputs using configurable logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is redundant relay configuration supported?\u003c\/strong\u003e\u003cbr\u003eA: Yes, redundancy can be configured to meet safety and availability requirements.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43281522720858,"sku":"A6740\/12","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/A6312081.jpg?v=1776934516","url":"https:\/\/www.plcmasters.com\/products\/epro-a6740-12-16-channel-relay-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}