{"product_id":"8115-do-dc-emerson-8-channel-discrete-output-module","title":"8115-DO-DC Emerson 8-Channel Discrete Output Module","description":"\u003cp\u003eConfigured for discrete output signal conditioning and load switching in Emerson process control platforms, the \u003cstrong\u003eEmerson 8115-DO-DC\u003c\/strong\u003e (\u003cstrong\u003e8115-DO-DC\u003c\/strong\u003e Discrete Output Module) provides direct physical\/electrical execution. It switches 2-60 VDC non-isolated load loops across 8 independent channels based on Railbus command signals.\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\u003e8115-DO-DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Output Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e2-60 VDC (Module Powered, Non-Isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Switched Current\u003c\/td\u003e\n\u003ctd\u003e1 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Switched Current\u003c\/td\u003e\n\u003ctd\u003e4 A (less than 100 ms), 6 A (less than 20 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e0.25 V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Leakage Current\u003c\/td\u003e\n\u003ctd\u003e1.0 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Modes\u003c\/td\u003e\n\u003ctd\u003eDiscrete, Momentary or Continuous Pulse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Width Range\u003c\/td\u003e\n\u003ctd\u003e2 ms to 130 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e1 ms max (Railbus command to output change)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e70 mA max (45 mA typ) at 12 VDC Railbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBussed Field Power\u003c\/td\u003e\n\u003ctd\u003e2 to 60 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Key Code\u003c\/td\u003e\n\u003ctd\u003eB6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Width\u003c\/td\u003e\n\u003ctd\u003e42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.21 kg (0.21 kg net \/ 1.0 kg shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe 8115-DO-DC operates on a shared bussed field power topology within the Emerson I\/O node structure. While discrete outputs handle DC switching currents up to 1 A continuous per channel, internal shielding protects adjacent high-density 4-20 mA HART loop protocol signal paths on the common backplane from capacitive and inductive switching noise. Galvanic isolation between the internal 12 VDC Railbus logic circuit and the 2-60 VDC field power bus ensures backplane communication integrity during heavy load transients.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum command-to-output latency for the 8115-DO-DC module?\u003c\/p\u003e\n\u003cp\u003eA: The physical response time from receipt of a Railbus switching command to output change is 1 ms maximum.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 8115-DO-DC react if communications with the node processor fail?\u003c\/p\u003e\n\u003cp\u003eA: The module transitions to a designated fail-safe state, holding either a predefined default state or retaining the last valid command value depending on configuration settings.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 8115-DO-DC handle inductive inrush currents from DC relay coils?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Each channel supports peak surge currents up to 4 A for durations under 100 ms, and up to 6 A for brief transients under 20 ms.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the 42 mm module onto the compatible node carrier slot, ensuring the B6 mechanical key alignment matches the carrier base to prevent mis-insertion.\u003c\/li\u003e\n\u003cli\u003eConnect bussed field power lines within the 2-60 VDC operating window to supply external load loops.\u003c\/li\u003e\n\u003cli\u003eTerminate field load conductors securely to the module terminal block, ensuring current demands do not exceed 1 A continuous per channel.\u003c\/li\u003e\n\u003cli\u003eVerify that signal wiring shielding is tied directly to the cabinet functional earth bus bar to mitigate transient electrical noise.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation spacing around the carrier assembly to dissipate thermal losses during high-density multi-channel current switching.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"EMERSON","offers":[{"title":"Default Title","offer_id":53328010543413,"sku":"8115-DO-DC","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/8115-DO-DC.png?v=1787106267","url":"https:\/\/www.5gplc.com\/products\/8115-do-dc-emerson-8-channel-discrete-output-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}