{"product_id":"mce-hc-oa","title":"MCE HC-OA","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eManufacturer:\u003c\/b\u003e Motion Control Engineering (MCE)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePart Number:\u003c\/b\u003e HC-OA (HC-OA-120 Series Output Adapter \/ Output Array Board)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSystem Compatibility:\u003c\/b\u003e MCE HMC, IMC, and Heritage series legacy controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVoltage Rating:\u003c\/b\u003e 120VAC field output interface logic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFunction:\u003c\/b\u003e Serves as a high-density solid-state or relay output adapter to interface logic-level CPU signals with 120VAC field loads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eElevator Logic\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReceives low-voltage discrete command signals from the main processor board and drives high-voltage (120VAC) external field components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eControls field outputs such as call-registered indicator lamps, directional hall lanterns, position indicators, and auxiliary relay coils.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptically isolates low-voltage control electronics from high-voltage field wiring to protect system processors from voltage surges, back-EMF, and field ground faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eAccessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-pin ribbon cable bus assemblies for main controller interconnects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePluggable screw-terminal header blocks for 120VAC output field wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCard-cage mounting tracks, standoffs, and replacement board fuses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eMaintenance \u0026amp; Code Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTroubleshooting:\u003c\/b\u003e Observe individual output channel LEDs to verify logic activation states. If an LED illuminates but the field device fails to energize, check the corresponding output fuse or field fuse, verify line voltage at the terminal, and check for open field wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eReplacement Precautions:\u003c\/b\u003e Always remove power from the controller cabinet before pulling ribbon cables or terminal blocks. Ensure replacement board voltage ratings (e.g., HC-OA-120-12 \/ HC-OA-120-16) and board jumpers match the original unit prior to powering up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Parts4REM","offers":[{"title":"Default Title","offer_id":49651175030936,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_8f9dd77a-7a60-4c40-8a77-8f939b8d481d.jpg?v=1786045415","url":"https:\/\/parts4rem.ca\/products\/mce-hc-oa","provider":"Parts4REM","version":"1.0","type":"link"}