{"product_id":"epro-a6740-10-relay-logic-module","title":"EPRO A6740\/10 Relay Logic Module","description":"\u003cp\u003eThe \u003cstrong\u003eEPRO A6740\/10\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eA6740\/10\u003c\/strong\u003e Relay Logic Module, operates as a dedicated hardware component for alarm output switching and voting logic execution within Emerson AMS 6500 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\u003eEPRO A6740\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e54.46 x 128.4 x 160 mm (3U Eurocard, 10 TE Width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMax. 6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Outputs\u003c\/td\u003e\n\u003ctd\u003e16 SPDT (Form C) relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e48 V DC, 1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e13 to 32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Delay\u003c\/td\u003e\n\u003ctd\u003eAdjustable from 0 to 30 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Capabilities\u003c\/td\u003e\n\u003ctd\u003eAND, OR, 2-out-of-3 voting, OFF (Up to 30 logic expressions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 60 channel state signals (Alert, Danger, OK)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Requirement\u003c\/td\u003e\n\u003ctd\u003e2 slots in IMR6500 rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eIP00 (module), IP20 (front panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Swap\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eAPI 670, IEC 68-2-6, EN 50081-1 \/ EN 50082-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRelay Output Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling \u0026amp; Gap Voltage Validation\u003c\/h3\u003e\n\u003cp\u003eThe A6740\/10 processes up to 60 input signals generated by front-end vibration monitoring channels, including raw and conditioned outputs derived from eddy-current probe scaling circuits. Internal voting engines evaluate Alert, Danger, and OK states using programmable logic rules (such as 2-out-of-3 voting) to determine trip conditions. By evaluating channel status independently of raw gap voltage validation drift, the module prevents false relay actuations caused by transducer line faults or DC offset shifts during machinery operation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the A6740\/10 support hot-swapping during live rack operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module fully supports hot-swapping inside the IMR6500 rack without requiring power interruptions to adjacent cards.\u003c\/p\u003e\n\u003cp\u003eQ: What contact rating and relay configurations are available on the output section?\u003c\/p\u003e\n\u003cp\u003eA: The card features 16 SPDT (Form C) relays rated for 48 V DC at 1 A, with NO\/NC and energization states selectable per contact.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlign the 10 TE module rails carefully into two adjacent slots of the IMR6500 rack before sliding in to avoid pin deformation on the backplane connector.\u003c\/li\u003e\n\u003cli\u003eTighten front-panel retaining fasteners securely to ensure the IP20 faceplate makes firm metal-to-metal contact with the chassis grounding bus.\u003c\/li\u003e\n\u003cli\u003eKeep 48 V DC control wiring isolated from sensitive analog probe inputs to prevent inductive noise coupling during relay contact switching.\u003c\/li\u003e\n\u003cli\u003eVerify logic expressions and switching delays (0 to 30 seconds) via software configuration prior to placing relay outputs into active safety trip loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45467747614835,"sku":"A6740\/10","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/EPROA6824R_Cocoai_d3f2616c-ae4b-4d95-9691-00d0cd859ead.jpg?v=1789020014","url":"https:\/\/www.dcssupplier.com\/products\/epro-a6740-10-relay-logic-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}