{"product_id":"is220pdoah1a-ge-mark-vie-discrete-output-pack","title":"IS220PDOAH1A GE Mark VIe Discrete Output Pack","description":"\u003cp\u003eThe \u003cstrong\u003eGE IS220PDOAH1A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eIS220PDOA\u003c\/strong\u003e Discrete Output Pack, operates as a dedicated hardware component for discrete relay output control and feedback monitoring within GE Mark VIe control networks. Mounted directly to compatible terminal boards such as SRLY and TRLY, the module drives up to 12 solid-state or electromagnetic relays across dual redundant RJ45 Ethernet communication channels powered by a 28 VDC supply.\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\u003eIS220PDOAH1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric (GE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eMark VIe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Output Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.25 in H x 1.65 in W x 4.78 in D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e28 VDC nominal input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Channels\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e2x RJ45 connectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003e3 (1x DC power connector, 2x RJ45 Ethernet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003eFlash memory and RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Terminal Boards\u003c\/td\u003e\n\u003ctd\u003eSRLY, TRLYH1B, TRLYH1C, TRLYH1D, TRLYH1E, TRLYH1F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLED Indicators\u003c\/td\u003e\n\u003ctd\u003e4x (Power, Attention, TxRx, Link)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility and Output Execution Logic\u003c\/h3\u003e\n\u003cp\u003eThe IS220PDOAH1A utilizes onboard Flash and RAM memory to maintain local firmware execution and parameter storage. Dual RJ45 Ethernet ports handle deterministic IONet network communications, transmitting command signals to the processor board embedded within the pack. Internal logic features an independent hardware output enable mechanism that keeps all 12 relay channels dropped out during startup, holding the outputs in a disabled state until all power-up self-tests successfully clear.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the IS220PDOAH1A prevent unintended relay coil energization during system initialization?\u003c\/p\u003e\n\u003cp\u003eA: Internal hardware logic enforces an output disable state during power-up, keeping all 12 relay channels de-energized until internal self-test routines are fully completed.\u003c\/p\u003e\n\u003cp\u003eQ: Which terminal boards support solid-state versus electromagnetic relays with this pack?\u003c\/p\u003e\n\u003cp\u003eA: Solid-state relays are driven through TRLYH1B, C, D, and F terminal boards, while electromagnetic relays interface via TRLYH1E terminal boards.\u003c\/p\u003e\n\u003cp\u003eQ: What status information do the four front-panel LEDs convey?\u003c\/p\u003e\n\u003cp\u003eA: The LEDs report real-time module operational states: Power indicates DC voltage input, Attention signals fault or diagnostic conditions, TxRx indicates active network data transmission, and Link confirms physical Ethernet link integrity.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eIsolate and lock out the 28 VDC power source feeding the mounting terminal board before installing the pack.\u003c\/li\u003e\n\u003cli\u003ePut on an electrostatic discharge (ESD) grounding wrist strap prior to removing the IS220PDOAH1A from its conductive packaging.\u003c\/li\u003e\n\u003cli\u003eAlign the multi-pin DC connector and mechanical standoffs on the pack with the mating receptacles on the SRLY or TRLY terminal board.\u003c\/li\u003e\n\u003cli\u003ePress the pack firmly onto the terminal board until fully seated, then hand-tighten the mounting screws to secure the chassis.\u003c\/li\u003e\n\u003cli\u003eConnect dual RJ45 Ethernet cables to ports 1 and 2, ensuring connector latches engage securely before applying power.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":43846479052890,"sku":"IS220PDOAH1A","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/IS220PDOAH1A.png?v=1786695272","url":"https:\/\/www.spareoil.com\/products\/is220pdoah1a-ge-mark-vie-discrete-output-pack","provider":"SpareOil Automation","version":"1.0","type":"link"}