{"product_id":"schneider-modicon-800-series-asb817116-digital-input-modules","title":"Schneider Modicon 800 Series ASB817116 16-Channel 115 VAC Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Schneider Electric ASB817116 (AS-B817-116) is a robust 16-channel digital input module designed for integration within the Modicon 800 Series I\/O architecture. This module is specifically engineered to interface with 115 VAC discrete field signals, making it a reliable solution for monitoring status from motor starters, limit switches, and proximity sensors in industrial environments. By utilizing internal RC filtering and optical isolation, the module effectively manages high-voltage signals while protecting the controller backplane from electrical transients and potential ground loops.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 discrete input channels for high-density signal monitoring.\u003c\/li\u003e\n\u003cli\u003eNominal input voltage of 115 VAC, suitable for standard industrial control circuits.\u003c\/li\u003e\n\u003cli\u003eIntegrated RC filtering to mitigate contact bounce and transient noise.\u003c\/li\u003e\n\u003cli\u003eOptical isolation providing 1500 VAC dielectric protection between field inputs and the controller bus.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless mounting in standard Modicon 800 Series chassis slots.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely deployed in demanding industrial sectors, including power utility generation, chemical processing, oil and gas refining, and heavy-duty mining. Its ability to handle line-voltage signals directly allows for simplified circuit design in applications where monitoring safety interlocks and motor control center (MCC) states is critical.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eASB817116\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e16 Discrete Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e115 VAC Nominal (85-130 VAC Range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON-State Threshold\u003c\/td\u003e\n\u003ctd\u003e85 VAC Minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF-State Threshold\u003c\/td\u003e\n\u003ctd\u003e40 VAC Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e12 kOhm at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC (Channel-to-Bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e250 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure power is removed from the chassis backplane before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the field wiring is properly shielded and routed away from high-power AC lines to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated in the chassis slot and that the locking mechanism is engaged to maintain a secure electrical connection.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD handling practices when touching the module circuitry to prevent static discharge damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the field supply voltage remains within the specified 85-130 VAC range to ensure reliable switching logic.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the ASB817116?\u003c\/strong\u003e\u003cbr\u003eThis module serves as a digital input interface that converts 115 VAC field signals into logic levels compatible with the Modicon 800 Series controller backplane.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module require external power?\u003c\/strong\u003e\u003cbr\u003eThe module draws its internal logic power (250 mA at 5 VDC) directly from the chassis backplane, while the inputs are powered by the 115 VAC field signal source.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow are the channels isolated?\u003c\/strong\u003e\u003cbr\u003eThe module uses optical isolators for each channel, providing a 1500 VAC barrier that protects the internal controller logic from field-side voltage spikes.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":51217578885372,"sku":"ASB817116","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_73a8816e-c97b-448a-b978-7eefdfde38c4.jpg?v=1788374935","url":"https:\/\/www.electronicplc.com\/products\/schneider-modicon-800-series-asb817116-digital-input-modules","provider":"Electronic PLC","version":"1.0","type":"link"}