{"product_id":"yokogawa-sai143-h63-16-channel-sai143-input-module","title":"Yokogawa SAI143-H63 16-Channel SAI143 Input Module","description":" \u003ch3\u003e\u003cb\u003eYokogawa \u003cspan style=\"color:#1673B8;\"\u003eSAI143-H63\u003c\/span\u003e 16-Channel Analog Input Module\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\nThe \u003cb\u003e\u003cspan style=\"color:#1673B8;\"\u003eYokogawa SAI143-H63\u003c\/span\u003e\u003c\/b\u003e is a 16-channel analog input module for industrial process control. It accepts standard 4–20 mA signals from field transmitters. The module provides isolated input channels and updates data every 40 ms.\n\nThe module supports individual 2-wire or 4-wire channel settings. Its transmitter power supply supports 2-wire transmitters. Users can switch this supply on or off across all 16 channels simultaneously.\n\nThe \u003cb\u003eSAI143-H\u003c\/b\u003e accuracy specification supports input currents from 0.05 to 23 mA. This range includes low-current signals below the standard 4–20 mA operating range.\n\n**Important product identification:** The supplied specifications describe the SAI143 analog input family. They do not confirm every suffix-specific feature of the SAI143-H63. Verify the complete model code against the applicable Yokogawa hardware documentation before installation.\n\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eYokogawa\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e\u003cspan style=\"color:#1673B8;\"\u003eSAI143-H63\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct family\u003c\/td\u003e\n\u003ctd\u003eSAI143\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule type\u003c\/td\u003e\n\u003ctd\u003e16-channel analog current input module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput channels\u003c\/td\u003e\n\u003ctd\u003e16, with module isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated input range\u003c\/td\u003e\n\u003ctd\u003e4–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermissible input range\u003c\/td\u003e\n\u003ctd\u003e0–25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSAI143-H rated accuracy\u003c\/td\u003e\n\u003ctd\u003e±16 µA over 0.05–23 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData update frequency\u003c\/td\u003e\n\u003ctd\u003e40 ms per update\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance during power-on\u003c\/td\u003e\n\u003ctd\u003e250 Ω plus the input protection circuit voltage drop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance during power-off\u003c\/td\u003e\n\u003ctd\u003e500 kΩ minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature drift\u003c\/td\u003e\n\u003ctd\u003e±16 µA per 10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter supply voltage\u003c\/td\u003e\n\u003ctd\u003e16.15 V minimum at 20 mA; 26.4 V maximum at 0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter output current limit\u003c\/td\u003e\n\u003ctd\u003e25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel wiring configuration\u003c\/td\u003e\n\u003ctd\u003eIndividual 2-wire or 4-wire setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter supply switching\u003c\/td\u003e\n\u003ctd\u003eAvailable for all 16 channels together in 2-wire mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstand voltage\u003c\/td\u003e\n\u003ctd\u003e1.5 kV AC between input signal and system for one minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5 V system current consumption\u003c\/td\u003e\n\u003ctd\u003e320 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24 V system current consumption\u003c\/td\u003e\n\u003ctd\u003e550 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePRM support\u003c\/td\u003e\n\u003ctd\u003eAvailable for SAI143-H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal connection\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal, MIL cable, or dedicated signal cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate weight\u003c\/td\u003e\n\u003ctd\u003e0.34 kg with pressure clamp terminal block or MIL cable; 0.39 kg with signal cable interface adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cb\u003eMeasurement Performance and Signal Integrity\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCurrent measurement:\u003c\/b\u003e The module reads standard 4–20 mA process signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput tolerance:\u003c\/b\u003e The permissible range extends from 0 to 25 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpecified accuracy:\u003c\/b\u003e The SAI143-H variant provides ±16 µA accuracy across its documented range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUpdate interval:\u003c\/b\u003e The module refreshes input data every 40 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChannel isolation:\u003c\/b\u003e Module isolation helps separate field signals from the system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectrical withstand:\u003c\/b\u003e The specified isolation withstands 1.5 kV AC for one minute.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nThe supplied specifications do not state resolution, linearity, or a complete frequency-response curve. They also do not specify the operating temperature range or environmental protection rating. Consult the applicable hardware manual for these limits.\n\n\u003ch3\u003e\u003cb\u003eKey Functions and Engineering Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-channel acquisition:\u003c\/b\u003e One module collects signals from up to 16 transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible transmitter wiring:\u003c\/b\u003e Engineers can configure each channel for 2-wire or 4-wire operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated transmitter supply:\u003c\/b\u003e The module can power supported 2-wire transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGroup supply control:\u003c\/b\u003e The transmitter supply switching function controls all 16 channels together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProcess data refresh:\u003c\/b\u003e A 40 ms update interval supports routine monitoring of changing process values.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectrical separation:\u003c\/b\u003e Isolation helps reduce unwanted electrical interaction between field signals and system circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eTypical Industrial Applications\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProcess plants:\u003c\/b\u003e Collect flow, pressure, level, and temperature transmitter signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower generation:\u003c\/b\u003e Monitor boiler pressure, cooling-water flow, and auxiliary process measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOil and gas:\u003c\/b\u003e Acquire instrument signals from pipelines, separation equipment, and utility systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChemical production:\u003c\/b\u003e Monitor process variables across reactors, tanks, and treatment units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWater treatment:\u003c\/b\u003e Read flow, pressure, and other 4–20 mA instrument outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eInstallation and Commissioning Guide\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eConfirm the hardware:\u003c\/b\u003e Check the complete model code and system compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReview the system manual:\u003c\/b\u003e Confirm the approved slot, base unit, and installation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIsolate power:\u003c\/b\u003e Follow site procedures before inserting or removing the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet channel wiring:\u003c\/b\u003e Configure each channel for its transmitter's 2-wire or 4-wire connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck transmitter supply:\u003c\/b\u003e Confirm the field device's voltage and current requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnect field signals:\u003c\/b\u003e Use the approved terminal block, MIL cable, or dedicated signal cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVerify polarity:\u003c\/b\u003e Check loop polarity and wiring against the transmitter and system drawings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConfigure input scaling:\u003c\/b\u003e Set the engineering range to match the connected instrument.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTest each channel:\u003c\/b\u003e Apply known current values and compare readings with expected values.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRecord commissioning results:\u003c\/b\u003e Document channel assignments, scaling, and measured deviations.\u003c\/li\u003e\n\u003c\/ol\u003e\n\nDo not switch the transmitter supply individually through this module's group switching function. Its documented ON\/OFF control applies to all 16 channels together in 2-wire mode.\n\n\u003ch3\u003e\u003cb\u003eCommissioning Example: Pressure Transmitter\u003c\/b\u003e\u003c\/h3\u003e\n\nA plant connects a 4–20 mA pressure transmitter to channel 1. The transmitter represents 0–10 bar.\n\n\u003cul\u003e\n\u003cli\u003eAt 4 mA, the expected pressure is 0 bar.\u003c\/li\u003e\n\u003cli\u003eAt 12 mA, the expected pressure is 5 bar.\u003c\/li\u003e\n\u003cli\u003eAt 20 mA, the expected pressure is 10 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nThe engineer injects these three currents during commissioning. The engineer checks the displayed values against the expected pressure. A consistent offset may indicate incorrect scaling or a calibration issue. A fluctuating reading may indicate unstable loop wiring, grounding problems, or transmitter noise.\n\n\u003ch3\u003e\u003cb\u003eDiagnostics and Maintenance\u003c\/b\u003e\u003c\/h3\u003e\n\nThe module supports analog signal acquisition. The supplied specifications do not confirm specific onboard wire-break alarms, channel fault indicators, or diagnostic codes.\n\nUse the following field checks when a channel reports an unexpected value:\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eZero or low reading:\u003c\/b\u003e Measure loop current and check transmitter power, polarity, and wiring continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh reading:\u003c\/b\u003e Verify the current against the 25 mA permissible limit and inspect the transmitter output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUnstable reading:\u003c\/b\u003e Check shield termination, grounding, cable routing, and electrical interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncorrect scaling:\u003c\/b\u003e Compare the configured engineering range with the transmitter's calibrated range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMultiple channel issues:\u003c\/b\u003e Inspect common power, system connections, and group transmitter supply settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePeriodic maintenance:\u003c\/b\u003e Check terminal tightness, cable condition, and calibration records.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nUse system engineering tools and the applicable Yokogawa manual to identify module-specific diagnostic messages.\n\n\u003ch3\u003e\u003cb\u003eCompatibility and Selection Notes\u003c\/b\u003e\u003c\/h3\u003e\n\nThe \u003cb\u003e\u003cspan style=\"color:#1673B8;\"\u003eSAI143-H63\u003c\/span\u003e\u003c\/b\u003e belongs to the Yokogawa SAI143 analog input family. Confirm compatibility with the installed control system before ordering.\n\nCheck these items with your system engineer:\n\n\u003cul\u003e\n\u003cli\u003eControl system model and I\/O subsystem.\u003c\/li\u003e\n\u003cli\u003eSupported module type and installation position.\u003c\/li\u003e\n\u003cli\u003eTerminal block or cable interface requirements.\u003c\/li\u003e\n\u003cli\u003eRequired 2-wire or 4-wire transmitter configuration.\u003c\/li\u003e\n\u003cli\u003eSystem power capacity and field transmitter supply requirements.\u003c\/li\u003e\n\u003cli\u003eApplicable hardware revision and configuration software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nDo not select the module solely by its SAI143 family name. Confirm the H63 suffix and its hardware documentation for your specific installation.\n\n\u003ch3\u003e\u003cb\u003eCertifications and Environmental Information\u003c\/b\u003e\u003c\/h3\u003e\n\nThe supplied product information specifies a 1.5 kV AC withstand test between input signals and the system. It does not identify specific CE, UKCA, ATEX, IECEx, or hazardous-area approvals.\n\nConfirm required certifications, operating temperature, humidity limits, and environmental ratings against the exact model's official documentation.\n\n\u003ch3\u003e\u003cb\u003ePackaging and Order Information\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct:\u003c\/b\u003e Yokogawa SAI143-H63 analog input module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePackaging:\u003c\/b\u003e Protective packaging suitable for industrial electronic equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded accessories:\u003c\/b\u003e Confirm terminal blocks, cables, and interface adapters with the sales team.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 12-month factory warranty, subject to the applicable sales terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping:\u003c\/b\u003e FedEx, UPS, and DHL options are available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDispatch:\u003c\/b\u003e Target shipping within 24–48 hours after order confirmation and stock verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\nThe SAI143-H63 suits installations that require multiple current-loop measurements in a compact I\/O configuration. Its 40 ms update interval supports routine process monitoring. Engineers should still assess the response requirements of fast control loops separately.\n\nIn field commissioning, verify the transmitter supply before connecting a full group of 2-wire instruments. For example, a maintenance team may replace one pressure transmitter while other channels remain active. The group supply switching function affects all 16 channels, so technicians should plan the work around that shared control.\n\nFor reliable measurements, compare injected current values with system readings. Check the entire signal path, including transmitter calibration, loop wiring, input scaling, and control-system configuration.\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cb\u003e1. Is the SAI143-H63 a digital output module?\u003c\/b\u003e\n\nNo. The provided specifications describe a 16-channel analog current input module. It receives 4–20 mA signals from field transmitters.\n\n\u003cb\u003e2. Can the module connect to 2-wire and 4-wire transmitters?\u003c\/b\u003e\n\nYes. The SAI143 family supports individual 2-wire or 4-wire channel settings. Confirm the exact wiring procedure in the applicable hardware manual.\n\n\u003cb\u003e3. Can I switch transmitter power on only one channel?\u003c\/b\u003e\n\nThe specified transmitter supply ON\/OFF function applies to all 16 channels together in 2-wire mode. It does not provide individual channel switching through this function.\n\n\u003cb\u003e4. What should I check when a 4–20 mA reading appears incorrect?\u003c\/b\u003e\n\nFirst, measure the actual loop current. Then verify polarity, transmitter supply, channel wiring, and configured scaling. Compare the reading with a calibrated current source when practical.\n\n\u003cb\u003e5. How should I select a replacement for an existing SAI143 module?\u003c\/b\u003e\n\nMatch the complete model code, system compatibility, interface hardware, and wiring configuration. Ask the supplier to confirm the H63 suffix and applicable hardware revision before placing an order.","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67705125306550,"sku":"SAI143-H63","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SAI143-H63-1.jpg?v=1792554917","url":"https:\/\/www.plcsparehub.com\/ar\/products\/yokogawa-sai143-h63-16-channel-sai143-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}