{"product_id":"yokogawa-sdv144-series-sdv144-s63-isolated-digital-input-module","title":"Yokogawa SDV144 Series SDV144-S63 Isolated Digital Input Module","description":" \u003ch3\u003e\u003cstrong\u003eYokogawa SDV144-S63 Digital Input Module Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\nThe \u003cstrong\u003e\u003cspan style=\"color: #1677c8;\"\u003eYokogawa SDV144-S63\u003c\/span\u003e\u003c\/strong\u003e is a 16-channel digital input module designed for industrial control systems. It belongs to the \u003cstrong\u003eSDV144 series\u003c\/strong\u003e and accepts 24 V DC contact signals. Its module isolation helps separate input circuits from the system side. The module supports reliable contact-state acquisition in distributed control system (DCS) applications.\n\nThe \u003cstrong\u003eSDV144-S63\u003c\/strong\u003e accepts voltage-free contact inputs and detects ON or OFF states through defined resistance thresholds. Its maximum input response time is 40 ms. Engineers can use these characteristics when designing contact monitoring, interlock logic, and equipment status acquisition.\n\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #1677c8;\"\u003eSDV144-S63\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSDV144\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 channels, module isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoltage-free contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eON-State Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 kΩ maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOFF-State Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 kΩ minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 mA ±20% at 24 V DC and 0 Ω input resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (+20% \/ −10%), 10 mA or greater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Power Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC (+20% \/ −10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Supply Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Permissible Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30.0 V DC instantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Response Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWithstand Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 kV AC for one minute between input signals and the system, with all 16 input lines connected collectively\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 V DC: 290 mA maximum; 24 V DC: 140 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal, MIL cable, or dedicated AKB331 signal cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.36 kg with pressure clamp terminal or MIL cable; approximately 0.41 kg with signal cable interface adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecified Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e−20 to +70 °C for suffix code 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3 as indicated by suffix code 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The supplied specifications do not state a measurement range, frequency response, sensitivity, linearity, or resolution. These parameters do not apply directly to this contact-input module in the same way they apply to analog measurement devices.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eModel and Suffix Code Identification\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #1677c8;\"\u003eSDV144\u003c\/span\u003e:\u003c\/strong\u003e 16-channel digital input module with module isolation and 24 V DC contact inputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS:\u003c\/strong\u003e Standard type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6:\u003c\/strong\u003e Signal cable interface adapter included, without explosion protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3:\u003c\/strong\u003e ISA Standard G3 environmental specification and a temperature range of −20 to +70 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nConfirm the complete model code before ordering. The suffix determines the interface configuration and environmental requirements.\n\n\u003ch3\u003e\u003cstrong\u003eCore Functions and Diagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\nThe \u003cstrong\u003eYokogawa SDV144-S63\u003c\/strong\u003e acquires discrete contact states for control logic and equipment monitoring. Its 16 input channels allow engineers to consolidate multiple status signals within one module.\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact-state monitoring:\u003c\/strong\u003e Detects dry-contact ON and OFF conditions using specified resistance thresholds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterlock input acquisition:\u003c\/strong\u003e Supplies contact-state information for permissive conditions and sequence logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment status monitoring:\u003c\/strong\u003e Supports monitoring of auxiliary contacts, limit switches, and relay contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical isolation:\u003c\/strong\u003e Module isolation helps separate input circuits from the system side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal troubleshooting:\u003c\/strong\u003e Resistance thresholds and response-time specifications help engineers evaluate field wiring and switching behavior.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nThe module does not independently identify every field fault. Engineers should combine controller diagnostics, wiring checks, and contact measurements to locate signal problems.\n\n\u003ch3\u003e\u003cstrong\u003eTypical Industrial Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistributed control systems:\u003c\/strong\u003e Collects discrete status signals from process equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump and compressor monitoring:\u003c\/strong\u003e Reads auxiliary contacts, running-status relays, and local limit switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve control systems:\u003c\/strong\u003e Acquires open and closed limit-switch feedback for sequence verification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial machinery:\u003c\/strong\u003e Monitors equipment permissives, door contacts, and operating-state signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess interlocks:\u003c\/strong\u003e Supplies discrete input states for controller-based operating sequences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the model:\u003c\/strong\u003e Confirm the complete \u003cstrong\u003eSDV144-S63\u003c\/strong\u003e code and the required interface adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck compatibility:\u003c\/strong\u003e Verify the installed system, module mounting arrangement, and supported connection hardware against Yokogawa documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolate power:\u003c\/strong\u003e Follow site procedures before installing or removing the module or connecting field wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect field contacts:\u003c\/strong\u003e Confirm that the contact circuit meets the specified resistance and contact-rating requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify external power:\u003c\/strong\u003e Maintain the specified 24 V DC supply within its permitted tolerance and capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect field wiring:\u003c\/strong\u003e Use the appropriate pressure clamp terminal, MIL cable, or dedicated AKB331 signal cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect connections:\u003c\/strong\u003e Check terminal security, cable routing, polarity where applicable, and separation from electrical noise sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest input states:\u003c\/strong\u003e Operate each field contact and confirm the corresponding state in the control system.\u003c\/li\u003e\n\u003c\/ol\u003e\n\nUse the applicable Yokogawa installation manual for terminal assignments, mounting requirements, and system-specific procedures.\n\n\u003ch3\u003e\u003cstrong\u003eCommissioning and Maintenance Recommendations\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput resistance:\u003c\/strong\u003e Investigate contact resistance above 1 kΩ when an ON signal fails to register.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF-state verification:\u003c\/strong\u003e Check for leakage paths when an open contact does not meet the 100 kΩ minimum OFF-state requirement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply stability:\u003c\/strong\u003e Measure the external 24 V DC supply under operating load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse testing:\u003c\/strong\u003e Confirm that the application tolerates the module's maximum 40 ms input response time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection inspection:\u003c\/strong\u003e Check for loose terminals, damaged cable insulation, corrosion, and incorrect interface hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental checks:\u003c\/strong\u003e Keep the installation within the specified temperature range and assess suitability for the site's contamination conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eField example:\u003c\/strong\u003e A valve-open signal intermittently disappears during commissioning. First, inspect the limit-switch contact and terminal tightness. Then measure the closed-contact resistance and verify the external 24 V DC supply. If the signal remains unstable, check cable leakage and controller-side configuration before replacing the module.\n\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Selection Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\nThe \u003cstrong\u003eSDV144-S63\u003c\/strong\u003e suits systems that require 16-channel, 24 V DC voltage-free contact acquisition. However, mechanical fit alone does not establish system compatibility.\n\n\u003cul\u003e\n\u003cli\u003eVerify the target Yokogawa system supports the SDV144 module and its specific suffix configuration.\u003c\/li\u003e\n\u003cli\u003eConfirm that the installed base, signal cable interface adapter, and field wiring match the required hardware.\u003c\/li\u003e\n\u003cli\u003eCheck that field contacts meet the ON\/OFF resistance thresholds and contact-rating requirements.\u003c\/li\u003e\n\u003cli\u003eDo not assume direct compatibility with analog input channels or modules that require powered voltage signals.\u003c\/li\u003e\n\u003cli\u003eConfirm environmental suitability and explosion-protection requirements before selecting the S63 configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eSelection guidance:\u003c\/strong\u003e Choose this module when the application requires dry-contact acquisition rather than analog current or voltage measurement. If the installation requires explosion protection, verify the correct model configuration instead of assuming the S63 suffix meets that requirement.\n\n\u003ch3\u003e\u003cstrong\u003eEnvironmental and Compliance Information\u003c\/strong\u003e\u003c\/h3\u003e\n\nThe suffix code \u003cstrong\u003e3\u003c\/strong\u003e specifies ISA Standard G3 environmental conditions and an operating temperature range of −20 to +70 °C, according to the supplied information.\n\nThe available specifications do not identify a separate certification number or confirm hazardous-area approval. The suffix code \u003cstrong\u003e6\u003c\/strong\u003e explicitly indicates a configuration without explosion protection. Review the manufacturer's documentation for the installation's applicable compliance requirements.\n\n\u003ch3\u003e\u003cstrong\u003ePackaging and Delivery\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Yokogawa SDV144-S63 digital input module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface accessories:\u003c\/strong\u003e Confirm the signal cable interface adapter, terminal hardware, and cables against the purchase configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Packaging contents depend on the confirmed order configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping methods:\u003c\/strong\u003e FedEx, UPS, or DHL, subject to destination and service availability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch target:\u003c\/strong\u003e Orders are generally prepared for shipment within 24–48 hours after order confirmation, subject to stock and payment verification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12-month warranty, subject to the seller's written warranty terms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nContact Global PLC Spare HUB to confirm stock, exact suffix configuration, included accessories, delivery timing, and warranty coverage before ordering.\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\nFrom an engineering perspective, the most important selection criteria are input type, contact resistance, response time, and system compatibility. The \u003cstrong\u003eSDV144-S63\u003c\/strong\u003e is designed for discrete contact acquisition, not precision analog measurement.\n\nDuring troubleshooting, engineers should distinguish field-contact problems from module or controller problems. A contact with excessive closed-state resistance can prevent reliable ON-state detection. Leakage across an open contact can also cause incorrect state interpretation.\n\nFor replacement projects, record the original module code, interface arrangement, wiring details, and controller configuration before removing the installed unit. This process reduces commissioning delays and helps prevent suffix-related ordering errors.\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e1. What signals can the Yokogawa SDV144-S63 accept?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe module accepts voltage-free contact signals across 16 input channels. The specified ON-state resistance is 1 kΩ maximum, while the OFF-state resistance is 100 kΩ minimum.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e2. Can I use this module for a 4–20 mA transmitter?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNo. This module is designed for discrete contact signals rather than analog current measurement. Select a compatible analog input module for a 4–20 mA transmitter.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3. What should I check if an input remains OFF with a closed contact?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMeasure the closed-contact resistance first. Check terminal tightness, cable continuity, and the external 24 V DC supply. If these checks pass, verify controller configuration and module compatibility.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e4. How should I select a replacement for an installed SDV144 module?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMatch the full model code, including all suffixes. Verify the interface adapter, cable type, system support, environmental rating, and explosion-protection requirements before placing an order.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e5. Does the SDV144-S63 provide explosion protection?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eNo. The supplied suffix definition identifies code 6 as a configuration without explosion protection. Select a suitably approved configuration when the installation requires hazardous-area protection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e6. What does the 40 ms response time mean during commissioning?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe module's input response time is 40 ms maximum. Applications requiring faster event detection should evaluate the complete system response, including field contacts, controller processing, and communication timing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e7. What information should I provide when requesting a quotation?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eProvide the complete \u003cstrong\u003eSDV144-S63\u003c\/strong\u003e model code, required quantity, destination country, and interface requirements. Include a photograph of the nameplate when possible to help verify the configuration.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eRequest a Quote\u003c\/strong\u003e\u003c\/h3\u003e\n\nFor pricing, availability, and replacement guidance, contact \u003cstrong\u003eGlobal PLC Spare HUB\u003c\/strong\u003e with your required quantity and complete model number.\n\nOur team can help verify the module configuration, review connection requirements, and coordinate shipping options through FedEx, UPS, or DHL.","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67705134973110,"sku":"SDV144-S63","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SDV144-S63-1.jpg?v=1792554923","url":"https:\/\/www.plcsparehub.com\/products\/yokogawa-sdv144-series-sdv144-s63-isolated-digital-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}