{"product_id":"yokogawa-aai143-h50-ata4s-00-centum-vp-module","title":"Yokogawa AAI143-H50\/ATA4S-00 CENTUM VP Module","description":"\u003ch2\u003eYokogawa AAI143-H50\/ATA4S-00 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for 4-20 mA process loop monitoring in Yokogawa CENTUM-series DCS architectures, the \u003cstrong\u003eYokogawa AAI143-H50\/ATA4S-00\u003c\/strong\u003e (\u003cstrong\u003eAAI143\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution across 16 isolated field channels. The module digitizes process inputs with a 10 ms data update period and routes converted values directly over the system backplane bus. Additionally, each channel accommodates both 2-wire transmitter power loop topologies and self-powered 4-wire field instrument configurations.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe suffix codification for the AAI143 module assembly outlines distinct hardware capabilities and interface options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAAI143\u003c\/strong\u003e: Base 16-channel isolated 4-20 mA DC analog input module hardware architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-H\u003c\/strong\u003e: Standard HART digital communication pass-through capabilities across all channels (versus \u003cstrong\u003e-S\u003c\/strong\u003e for standard analog-only variants).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e: Non-explosion-proof specification baseline for safe area installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0\u003c\/strong\u003e: Basic hardware design version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\/ATA4S-00\u003c\/strong\u003e: Factory-integrated pressure-clamp terminal block assembly for field wiring interface.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAAI143-H50\/ATA4S-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard FIO slot width x height x depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e230 mA at 5 VDC; 540 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Input Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated current channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Input Current\u003c\/td\u003e\n\u003ctd\u003e24 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-16 uA\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\u003eHART Communication\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance (Power ON)\u003c\/td\u003e\n\u003ctd\u003e270 ohm at 20 mA to 350 ohm 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 kohm or greater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Power Supply\u003c\/td\u003e\n\u003ctd\u003e19.0 V or higher at 20 mA; 25.5 V or lower at 0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003e+\/-16 uA per 10 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Withstand Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 VAC for 1 minute (input-to-system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Interface\u003c\/td\u003e\n\u003ctd\u003ePressure-clamp terminal block ATA4S-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Connection Types\u003c\/td\u003e\n\u003ctd\u003ePressure-clamp terminal, MIL connector cable, or dedicated KS1 cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrument Integration\u003c\/h3\u003e\n\u003cp\u003eThe AAI143-H50\/ATA4S-00 module delivers high-density channel-to-channel isolation and immunity to electrical noise common in DCS process loop environments. Built-in transmitter power supplies deliver \u0026gt;= 19.0 V at 20 mA, enabling technicians to wire 2-wire transmitters without adding external field supply units. The integrated HART communication pass-through capabilities allow bidirectionally layered device management signals over standard 4-20 mA current loops. Channel input resistance transitions automatically from \u0026lt;= 350 ohm during active power-on state up to \u0026gt;= 500 kohm during power-off conditions, which prevents field short circuits from loading down connected equipment. The module also supports dual-redundant configuration pairs in primary and backup slots to eliminate single point failures in process loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module react to field wiring shorts during powered operation?\u003c\/p\u003e\n\u003cp\u003eA: The onboard transmitter power supply incorporates an internal current limitation circuit capped at 25 mA per channel. Consequently, shorting field wiring prevents excessive current draw without tripping central power supplies.\u003c\/p\u003e\n\u003cp\u003eQ: Can 2-wire and 4-wire field instruments connect simultaneously to the same module?\u003c\/p\u003e\n\u003cp\u003eA: Yes, each input channel is configured independently on a hardware and wiring level, allowing field technicians to mix 2-wire transmitter loops and self-powered 4-wire instrumentation across the 16 available channels.\u003c\/p\u003e\n\u003cp\u003eQ: Is hot-swapping permitted for this module during redundant DCS operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, when deployed in a dual-redundant pair, maintenance personnel can extract and replace an offline module while the paired online card maintains active data acquisition without interrupting process control loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the FIO baseplate slot power is switched off or confirm that site hot-swap safety protocols are fully observed before inserting the module.\u003c\/li\u003e\n\u003cli\u003eAlign the module firmly with the baseplate guide rails and push until the rear backplane connectors and locking latches click into position.\u003c\/li\u003e\n\u003cli\u003eStrip field conductor insulation to exact strip length before inserting wires into the pressure-clamp terminals on the ATA4S-00 terminal block to avoid exposed metal.\u003c\/li\u003e\n\u003cli\u003eRoute 4-20 mA field instrument wiring away from high-voltage AC cables, variable frequency drives, and heavy inductive loads to prevent electromagnetic coupling.\u003c\/li\u003e\n\u003cli\u003eGround cable shield drains at a single point on the DCS system ground bar rather than floating them to suppress common-mode electrical noise across isolated input channels.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67603896926307,"sku":"AAI143-H50\/ATA4S-00","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/895._e615b2d0-27f4-4735-b547-45bec802780a.jpg?v=1790731955","url":"https:\/\/www.autocontrolglobal.com\/products\/yokogawa-aai143-h50-ata4s-00-centum-vp-module","provider":"AutoControl Global","version":"1.0","type":"link"}