{"product_id":"yokogawa-sdv144-s13-b4d00-digital-input-module","title":"Yokogawa SDV144-S13\/B4D00 | Digital Input Module","description":"\u003ch3\u003e\n\u003cstrong\u003eOverview\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa \u003cstrong\u003eSDV144-S13\/B4D00\u003c\/strong\u003e is a 16-channel digital input module developed for use in Yokogawa safety-oriented distributed control systems. Installed within Safety Node Units or Safety Control Units, this module provides dependable acquisition of discrete field signals while maintaining high electrical isolation and system integrity.\r\nDesigned for continuous operation in critical environments, it supports redundancy and integrated diagnostics to reduce downtime and simplify maintenance.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eElectrical and Functional Characteristics\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSDV144-S13\/B4D00\u003c\/strong\u003e is optimized for monitoring dry contact (no-voltage) inputs supplied by an external 24 V DC source. Each input channel is electrically isolated at the module level, ensuring fault containment and compliance with safety system requirements.\u003c\/p\u003e\n\u003cp\u003eKey electrical behaviors include stable current sourcing, defined ON\/OFF resistance thresholds, and protection against transient overvoltage conditions. The module supports rapid signal recognition with deterministic response timing, suitable for safety interlocks and status feedback.\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-S13\/B4D00\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\nModule Type: Digital input, module-isolated\n\u003c\/li\u003e\n\u003cli\u003e\nNumber of Channels: 16\n\u003c\/li\u003e\n\u003cli\u003e\nInput Signal Type: Dry contact (no-voltage contact)\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\nInput Current: Approx. 6 mA ±20% at 24 V DC (0 Ω input)\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: Up to 200 mA\n\u003c\/li\u003e\n\u003cli\u003e\nRated Contact Load: Minimum 10 mA at 24 V DC\n\u003c\/li\u003e\n\u003cli\u003e\nMaximum Allowable Input Voltage: 30 V DC (non-continuous)\n\u003c\/li\u003e\n\u003cli\u003e\nSignal Response Time: Maximum 40 ms\n\u003c\/li\u003e\n\u003cli\u003e\nIsolation Strength: 2 kV AC between field inputs and system circuits (1 minute)\n\u003c\/li\u003e\n\u003cli\u003e\nDiagnostic Support: Short-circuit and open-circuit detection when used with SCB100 or SCB110\n\u003c\/li\u003e\n\u003cli\u003e\nRedundancy Capability: Supported via system configuration\n\u003c\/li\u003e\n\u003cli\u003e\n​Dimensions: 130 × 32.8 × 107.5 mm\n\u003c\/li\u003e\n\u003cli\u003e\nWeight: 0.36 kg\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003eDiagnostics and System Integrity\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eWhen paired with Yokogawa diagnostic terminal boards such as SCB100 or SCB110, the \u003cstrong\u003eSDV144-S13\/B4D00\u003c\/strong\u003e enables continuous line monitoring. This allows early detection of wiring abnormalities, including open circuits and short circuits, improving plant safety and reducing troubleshooting time during commissioning or operation.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSDV144-S13\/B4D00\u003c\/strong\u003e is commonly deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\nEmergency shutdown systems\n\u003c\/li\u003e\n\u003cli\u003e\nBurner management systems\n\u003c\/li\u003e\n\u003cli\u003e\nProcess interlock monitoring\n\u003c\/li\u003e\n\u003cli\u003e\nPlant-wide safety instrumentation\n\u003c\/li\u003e\n\u003cli\u003e\nPower generation and energy facilities\n\u003c\/li\u003e\n\u003cli\u003e\nChemical, petrochemical, and refining plants\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts design aligns with environments requiring deterministic digital input handling and long-term operational stability.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eCompatibility and Integration\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eThis module is intended for Yokogawa safety architectures and integrates seamlessly into Safety Node Units and Safety Control Units. Modular construction allows straightforward replacement and supports redundant configurations for high-availability systems.\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the SDV144-S13\/B4D00 support voltage input signals?\u003c\/strong\u003e\r\nA: No. This module is designed exclusively for dry contact (no-voltage) inputs using an external 24 V DC supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module be used in redundant safety systems?\u003c\/strong\u003e\r\nA: Yes. Redundant operation is supported through system-level configuration in compatible Yokogawa safety systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is wiring fault detection built into the module?\u003c\/strong\u003e\r\nA: Diagnostic detection of open and short circuits is available when the module is used with supported diagnostic terminal boards such as SCB100 or SCB110.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52761990824221,"sku":"SDV144-S13\/B4D00","price":9.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/5387\/3181\/files\/SDV144-S13-B4D00-2_1000.jpg?v=1787221959","url":"https:\/\/www.6gcontrols.com\/th\/products\/yokogawa-sdv144-s13-b4d00-digital-input-module","provider":"6G Controls","version":"1.0","type":"link"}