{"product_id":"aai141-h50-k4a00-yokogawa-aai141-hart-analog-input-module-16-channel","title":"AAI141-H50\/K4A00 Yokogawa AAI141 HART Analog Input Module | 16-Channel","description":"\u003ch3\u003e\u003cb\u003eYokogawa AAI141-H50\/K4A00 | 16-Channel HART Analog Input Module\u003c\/b\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cb\u003e01 — Signal Acquisition Profile\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003eYokogawa AAI141-H50\/K4A00\u003c\/b\u003e is a 16-channel analog input module for industrial process measurement. It accepts 4–20 mA DC signals and supports HART digital communication. The module provides non-isolated inputs and a 10 ms data update period. Its 100 ms step response supports process signal acquisition. Engineers can configure each channel for 2-wire or 4-wire transmitter operation. The K4A00 option provides a KS cable interface adapter. This configuration suits installations that require current-loop measurement and HART-capable field instrumentation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e02 — Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\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\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eAAI141-H50\/K4A00\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eAAI141\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eAnalog input module with HART communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput channels\u003c\/td\u003e\n\u003ctd\u003e16, non-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput signal\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum allowable input current\u003c\/td\u003e\n\u003ctd\u003e27 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput resistance, power on\u003c\/td\u003e\n\u003ctd\u003e400 Ω at 20 mA; 1000 Ω at 4 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput resistance, power off\u003c\/td\u003e\n\u003ctd\u003e500 kΩ minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecified accuracy\u003c\/td\u003e\n\u003ctd\u003e±16 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData update period\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStep response time\u003c\/td\u003e\n\u003ctd\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter supply at 20 mA\u003c\/td\u003e\n\u003ctd\u003e14.8 V minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter supply at 0 mA\u003c\/td\u003e\n\u003ctd\u003e26.4 V maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter supply current limit\u003c\/td\u003e\n\u003ctd\u003e27 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter configuration\u003c\/td\u003e\n\u003ctd\u003e2-wire or 4-wire, selected per channel using setting pins\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\u003eMaximum 5 V DC consumption\u003c\/td\u003e\n\u003ctd\u003e310 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum 24 V DC consumption\u003c\/td\u003e\n\u003ctd\u003e450 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART communication\u003c\/td\u003e\n\u003ctd\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal connection\u003c\/td\u003e\n\u003ctd\u003ePressure-clamp terminal, KS cable, or MIL connector cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate weight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe supplied specifications do not identify resolution, linearity, or a complete operating temperature range. Check the applicable Yokogawa hardware manual for these values.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e03 — Ordering Code: Configuration Breakdown\u003c\/b\u003e\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cb\u003eAAI141-H50\/K4A00\u003c\/b\u003e \u003clist\u003e\n\u003clist-item\u003e\u003cb\u003eAAI141\u003c\/b\u003e — Identifies the analog input module family.\u003c\/list-item\u003e\n\u003clist-item\u003e\u003cb\u003eH\u003c\/b\u003e — Specifies digital communication with the HART protocol.\u003c\/list-item\u003e\n\u003clist-item\u003e\u003cb\u003e5\u003c\/b\u003e — Specifies the configuration without explosion protection.\u003c\/list-item\u003e\n\u003clist-item\u003e\u003cb\u003e0\u003c\/b\u003e — Identifies the basic type.\u003c\/list-item\u003e\n\u003clist-item\u003e\u003cb\u003eK4A00\u003c\/b\u003e — Specifies the KS cable interface adapter.\u003c\/list-item\u003e\n\u003c\/list\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003e**Selected configuration at a glance**\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration feature\u003c\/th\u003e\n\u003cth\u003eSelected value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement type\u003c\/td\u003e\n\u003ctd\u003e4–20 mA current input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel count\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput isolation\u003c\/td\u003e\n\u003ctd\u003eNon-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital communication\u003c\/td\u003e\n\u003ctd\u003eHART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExplosion protection\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection interface\u003c\/td\u003e\n\u003ctd\u003eKS cable interface adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003e04 — Measurement Performance and HART Capability\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module converts analog current-loop signals into process values for the control system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCurrent range:\u003c\/b\u003e Standard 4–20 mA instrumentation signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAccuracy:\u003c\/b\u003e Specified measurement accuracy of ±16 μA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAcquisition interval:\u003c\/b\u003e Input data updates every 10 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStep response:\u003c\/b\u003e The specified response time is 100 ms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHART support:\u003c\/b\u003e Enables digital communication with compatible HART instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChannel configuration:\u003c\/b\u003e Engineers select 2-wire or 4-wire operation individually.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 10 ms update period does not mean every field instrument responds within 10 ms. The specified step response is 100 ms. HART communication availability does not establish support for every HART command or asset-management feature. Confirm the supported functions in the system documentation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e05 — Field Wiring and Installation\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe K4A00 configuration identifies a KS cable interface adapter. The module also supports pressure-clamp terminals and MIL connector cables. **Installation sequence**\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the full model code and control system compatibility.\u003c\/li\u003e\n\u003cli\u003eReview the approved module installation position and connection interface.\u003c\/li\u003e\n\u003cli\u003eIsolate equipment according to site electrical safety procedures.\u003c\/li\u003e\n\u003cli\u003eSet each channel for the connected transmitter's wiring type.\u003c\/li\u003e\n\u003cli\u003eVerify the field instrument's current output and supply requirements.\u003c\/li\u003e\n\u003cli\u003eConnect the approved cable or terminal assembly.\u003c\/li\u003e\n\u003cli\u003eCheck signal polarity and channel identification.\u003c\/li\u003e\n\u003cli\u003eConfigure the engineering range in the control system.\u003c\/li\u003e\n\u003cli\u003eTest representative channels using a calibrated current source.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe module uses non-isolated inputs. Review grounding and common-mode conditions before connecting instruments with different electrical references.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e06 — Application Fit: Where Engineers Use It\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003eAAI141-H50\/K4A00\u003c\/b\u003e suits process systems that collect analog measurements from compatible transmitters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePressure monitoring:\u003c\/b\u003e Acquire pressure transmitter signals from process lines and vessels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlow measurement:\u003c\/b\u003e Read current outputs from compatible flow transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLevel instrumentation:\u003c\/b\u003e Collect tank and vessel level measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature monitoring:\u003c\/b\u003e Acquire signals from transmitters that convert temperature into 4–20 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProcess diagnostics:\u003c\/b\u003e Support HART communication with compatible field instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eControl cabinet integration:\u003c\/b\u003e Connect multiple current-loop instruments through the specified interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheck the control system's supported I\/O architecture before assigning the module to a particular rack or node.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e07 — Commissioning Example: Flow Transmitter\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eConsider a flow transmitter configured for 0–100 m³\/h and a 4–20 mA output.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eLoop current\u003c\/th\u003e\n\u003cth\u003eExpected flow\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 mA\u003c\/td\u003e\n\u003ctd\u003e0 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 mA\u003c\/td\u003e\n\u003ctd\u003e50 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 mA\u003c\/td\u003e\n\u003ctd\u003e100 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eDuring commissioning, inject these current values and compare the displayed flow against the expected values. Check transmitter scaling and control-system engineering units if readings differ. For HART instruments, verify digital communication separately. A correct analog reading does not automatically confirm successful HART communication.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e08 — Diagnostics and Maintenance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe supplied specifications confirm HART availability. They do not specify particular onboard alarms, diagnostic indicators, or fault codes. Use these field checks to isolate common signal problems:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLow or zero reading:\u003c\/b\u003e Measure loop current and inspect transmitter power, polarity, and continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncorrect process value:\u003c\/b\u003e Check channel scaling, instrument range, and configured engineering units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUnstable signal:\u003c\/b\u003e Inspect grounding, shielding, cable routing, and electrical noise sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHART communication failure:\u003c\/b\u003e Confirm instrument compatibility, wiring, and communication configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMultiple channel deviations:\u003c\/b\u003e Check common wiring references and system configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePeriodic maintenance:\u003c\/b\u003e Inspect connections and compare measurements with calibration records.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse approved system diagnostic tools to identify module-specific status information.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e09 — Compatibility and Selection Checklist\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eBefore purchasing the \u003cb\u003eAAI141-H50\/K4A00\u003c\/b\u003e, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eControl system and I\/O subsystem compatibility.\u003c\/li\u003e\n\u003cli\u003eSupported AAI141 module revision and installation position.\u003c\/li\u003e\n\u003cli\u003eRequired KS cable interface adapter.\u003c\/li\u003e\n\u003cli\u003eField transmitter output range and wiring type.\u003c\/li\u003e\n\u003cli\u003eHART communication requirements and supported functions.\u003c\/li\u003e\n\u003cli\u003eGrounding arrangements for non-isolated inputs.\u003c\/li\u003e\n\u003cli\u003eEnvironmental and hazardous-area requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe suffix specifies no explosion protection. Do not assume suitability for hazardous locations without checking the site's approval requirements.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e10 — Global PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe AAI141-H50\/K4A00 combines 16 current inputs with HART communication. Engineers should assess both analog acquisition and digital instrument communication during system planning. For example, a maintenance team may replace a pressure transmitter and retain its existing loop wiring. The team should verify the channel's 2-wire or 4-wire setting, current scaling, and HART compatibility before commissioning. Because the inputs are non-isolated, engineers should also review grounding and electrical reference conditions. This check can help prevent avoidable signal instability across connected instruments.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e11 — Packaging, Warranty, and Shipping\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct:\u003c\/b\u003e Yokogawa AAI141-H50\/K4A00 analog input module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePackaging:\u003c\/b\u003e Protective packaging for industrial electronic equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAccessories:\u003c\/b\u003e Confirm the KS cable interface adapter and other included items with the supplier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 12-month warranty, subject to applicable sales terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping options:\u003c\/b\u003e FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDispatch target:\u003c\/b\u003e 24–48 hours after order confirmation and stock verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e12 — Frequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cb\u003eDoes HART support allow remote configuration of every connected transmitter?\u003c\/b\u003e Not necessarily. The module supports HART communication, but available commands and configuration functions depend on the instrument and control system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e2. Can I connect a transmitter with a 0–20 mA output?\u003c\/b\u003e The specified rated input signal is 4–20 mA. Confirm the applicable hardware limits and system configuration before using another signal range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e3. What does non-isolated input mean for cabinet wiring?\u003c\/b\u003e The inputs do not provide individual channel isolation. Review shared electrical references, grounding, and transmitter connections to avoid unwanted current paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e4. How should I verify the KS cable interface during replacement?\u003c\/b\u003e Check the installed adapter designation, cable type, connector arrangement, and control system documentation. Do not assume that similar-looking cables share the same pinout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e5. Should I choose this model when analog measurement accuracy is the main requirement?\u003c\/b\u003e Compare the specified ±16 μA accuracy with the application's measurement tolerance. Also review temperature drift, transmitter accuracy, signal conditioning, and the complete measurement chain.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/AAI141_AAV141_AAV142_AAV144_AAI841_AAB841_AAV542_AAV544_AAI143_AAI543_AAT141_36065ba2-adf7-403e-9ab4-542ef81a161c.png?v=1792566572\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67706893074614,"sku":"AAI141-H50\/K4A00","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/AAI141-H50-K4A00_f3b089cc-df85-47ce-9bd2-b936f4df342f.jpg?v=1792566597","url":"https:\/\/www.plcsparehub.com\/products\/aai141-h50-k4a00-yokogawa-aai141-hart-analog-input-module-16-channel","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}