{"product_id":"yokogawa-sdv144-s53-b4d00-16-channel-isolated-digital-input-module","title":"Yokogawa SDV144-S53\/B4D00 16-Channel Isolated Digital Input Module","description":"\u003ch3\u003e\n\u003cstrong\u003eProduct Description\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSDV144-S53\/B4D00\u003c\/strong\u003e digital input module from Yokogawa is designed for dependable acquisition of discrete field signals in safety-related and mission-critical control architectures. Built for use within Yokogawa safety and process automation platforms, this module ensures stable detection of dry contact inputs while maintaining strict electrical isolation between channels and the system backplane.\u003c\/p\u003e\n\u003cp\u003eOperating from an external 24 V DC supply, the module accepts no-voltage (dry contact) signals and converts them into robust logic inputs suitable for Safety Instrumented Systems and high-availability process control environments. Its design emphasizes noise immunity, predictable response behavior, and long-term operational stability under harsh industrial conditions.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eKey Technical Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSDV144-S53\/B4D00\u003c\/strong\u003e provides sixteen independent input points, each electrically isolated to minimize cross-channel interference and ground loop risks. Input circuitry is optimized for dry contact monitoring, ensuring reliable ON\/OFF discrimination even in electrically noisy installations.\u003c\/p\u003e\n\u003cp\u003eResponse timing is tuned for safety and process use, balancing fast signal recognition with filtering to avoid false triggering. High dielectric strength between field wiring and internal logic supports use in regulated safety systems.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nModel: \u003cstrong\u003eSDV144-S53\/B4D00\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\nManufacturer: Yokogawa\n\u003c\/li\u003e\n\u003cli\u003e\nModule Category: Digital Input\n\u003c\/li\u003e\n\u003cli\u003e\nChannel Count: 16 isolated inputs\n\u003c\/li\u003e\n\u003cli\u003e\nSupported Input Type: No-voltage (dry contact) signals\n\u003c\/li\u003e\n\u003cli\u003e\nON State Resistance: ≤ 1 kΩ\n\u003c\/li\u003e\n\u003cli\u003e\nOFF State Resistance: ≥ 100 kΩ\n\u003c\/li\u003e\n\u003cli\u003e\nNominal Input Current: Approx. 6 mA at 24 V DC\n\u003c\/li\u003e\n\u003cli\u003e\nRated Contact Voltage: 24 V DC (+20% \/ −10%)\n\u003c\/li\u003e\n\u003cli\u003e\nMinimum Contact Current: 10 mA\n\u003c\/li\u003e\n\u003cli\u003e\nExternal Supply Voltage: 24 V DC (+20% \/ −10%)\n\u003c\/li\u003e\n\u003cli\u003e\nExternal Supply Current Requirement: Approx. 200 mA\n\u003c\/li\u003e\n\u003cli\u003e\nMaximum Permissible Input Voltage: 30 V DC (momentary)\n\u003c\/li\u003e\n\u003cli\u003e\nInput Signal Processing Delay: ≤ 40 ms\n\u003c\/li\u003e\n\u003cli\u003e\nIsolation Withstand Voltage: 2 kV AC for 1 minute (input to system)\n\u003c\/li\u003e\n\u003cli\u003e\nDimensions: 130 × 32.8 × 107.5 mm\n\u003c\/li\u003e\n\u003cli\u003e\n​Weight: 0.36 kg\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThis module is commonly deployed in Safety Instrumented Systems, emergency shutdown circuits, burner management systems, and critical interlock monitoring. Typical industries include oil and gas production, petrochemical processing, power generation, and large-scale chemical manufacturing where deterministic digital input handling is essential.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFAQ\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of field signals does this module accept?\u003c\/strong\u003e\r\nIt is intended for dry contact or no-voltage digital signals and is not designed for sourcing or sinking powered inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs channel-to-channel isolation provided?\u003c\/strong\u003e\r\nYes, each input channel is electrically isolated, reducing susceptibility to electrical noise and wiring faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in redundant system configurations?\u003c\/strong\u003e\r\nThe module supports use in redundant safety and control architectures when installed in compatible Yokogawa systems.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52761971884317,"sku":"SDV144-S53\/B4D00","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/SDV144-S53-B4D00-2_1000.jpg?v=1787216363","url":"https:\/\/www.6gcontrols.com\/pt\/products\/yokogawa-sdv144-s53-b4d00-16-channel-isolated-digital-input-module","provider":"6G Controls","version":"1.0","type":"link"}