{"product_id":"digital-input-module-yokogawa-adv157","title":"Digital Input Module Yokogawa ADV157","description":"\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eADV157\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-speed digital input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa FIO system\u003c\/strong\u003e, engineered to capture\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erapid discrete signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat standard I\/O modules cannot detect. With\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 channels\u003c\/strong\u003e, it supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-frequency pulse counting and pulse-width measurement\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eup to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 MHz\u003c\/strong\u003e, enabling real-time monitoring and precise synchronization in high-speed automation applications.\u003c\/p\u003e\n\u003cp\u003eThe module features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant support\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efull galvanic isolation\u003c\/strong\u003e, ensuring system integrity in critical process environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eAdvanced Technical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacity\u003c\/td\u003e\n\u003ctd\u003e16 high-speed discrete channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e5 – 24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current\u003c\/td\u003e\n\u003ctd\u003e10 mA per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Measurement\u003c\/td\u003e\n\u003ctd\u003eUp to 1 MHz (single pulse width detection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Counting\u003c\/td\u003e\n\u003ctd\u003e32-bit integrated counter (0 – 999,999,999)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eFull channel-to-channel and channel-to-ground isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e730 mA (typical, single configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Management\u003c\/td\u003e\n\u003ctd\u003e1 empty adjacent slot (single) or 2 slots (redundant) required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 – 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-redundant I\/O nest compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Compliance\u003c\/td\u003e\n\u003ctd\u003eIntrinsic safety compatible with appropriate barriers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003ePrimary Applications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eADV157\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emicrosecond-level discrete monitoring\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlow Metering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-frequency pulses from turbine or magnetic flow meters for precise volumetric calculations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpeed Sensing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitoring motor or turbine RPM using magnetic pickups or encoders.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePulse-Width Measurement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMeasuring mechanical timing, such as valve travel times or actuator response speeds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Counting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCritical totalizing and safety-related discrete logic applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are empty slots required during installation?\u003c\/strong\u003e\u003cbr\u003eHigh-speed processing at 1 MHz consumes significant power (730 mA) and generates concentrated heat. Empty adjacent slots provide convective cooling to prevent thermal stress and ensure module longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the ADV157 handle 110 V AC signals?\u003c\/strong\u003e\u003cbr\u003eNo. The module is designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elow-voltage DC (5–24 V)\u003c\/strong\u003e. Connecting AC line voltage will permanently damage the high-speed input circuitry. For AC signals, use an AC input module (e.g., ADV141), but note it does\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enot\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupport high-speed pulse counting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens when the 32-bit counter reaches 999,999,999?\u003c\/strong\u003e\u003cbr\u003eUpon reaching its maximum, the behavior depends on system software configuration—typically\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eresetting to zero\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etriggering an overflow flag\u003c\/strong\u003e. This allows\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elong-term totalizing\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewithout loss of precision.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51683644670264,"sku":"ADV157","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/ADV1571.jpg?v=1770001407","url":"https:\/\/www.automodulexpert.com\/tr\/products\/digital-input-module-yokogawa-adv157","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}