{"product_id":"120vdc-comms-failure-light","title":"120VDC Comms Failure Light","description":"\u003cp\u003eIn older \u003cb data-path-to-node=\"1\" data-index-in-node=\"9\"\u003eMotion Control Engineering (MCE)\u003c\/b\u003e and legacy relay-logic systems, a \u003cb data-path-to-node=\"1\" data-index-in-node=\"76\"\u003e120VDC Comms Failure Light\u003c\/b\u003e (often labeled as \"Comm Fail\" or \"Data Fail\") is a diagnostic indicator. It signals a loss of heartbeat or synchronization between the main controller and its peripheral logic boards or dispatching units. Unlike modern 24V systems, these legacy interfaces utilize a 120VDC \"Bus\" or \"Loop\" to drive high-voltage signal lamps and relays across the system.\u003c\/p\u003e","brand":"R.A.M. Parts","offers":[{"title":"Default Title","offer_id":48193138065560,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/4369\/5000\/files\/rn-image_picker_lib_temp_aeec8e69-a720-46b7-91a7-4019cfc1ce0c.jpg?v=1772726340","url":"https:\/\/parts4rem.ca\/products\/120vdc-comms-failure-light","provider":"Parts4REM","version":"1.0","type":"link"}