{"product_id":"16-ch-isolated-4-20ma-hart-input-module-yokogawa-aai143-h03","title":"16-CH Isolated 4-20mA HART Input Module | Yokogawa AAI143-H03","description":"\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AAI143-H03\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16-channel isolated analog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eengineered for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM CS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edistributed control systems. It provides precision acquisition of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA DC signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom field transmitters while facilitating bidirectional\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHART communication\u003c\/strong\u003e. This module acts as the critical interface between field instrumentation and the DCS, allowing operators to monitor process variables and perform remote device diagnostics simultaneously. Its isolated architecture eliminates ground loop interference, ensuring signal integrity in complex industrial power environments.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: AAI143\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAAI143:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAnalog Input Module (4 to 20 mA, 16-channel, Isolated).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-H:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith digital communication (HART protocol).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways 0.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard with no explosion protection (Basic style).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAAI143-H03\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16, isolated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllowable Input Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±16 µA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Update Period\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e270–350 Ω (Power ON) \/ ≥500 kΩ (Power OFF)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHART bidirectional protocol\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–20°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.3 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e100% Brand New Original\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Data Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module achieves a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10 ms data update period\u003c\/strong\u003e, providing real-time responsiveness for fast-acting control loops in volatile processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHART-Enabled Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBidirectional HART communication allows the DCS to retrieve secondary variables and device health status directly from field instruments. This eliminates the need for manual field inspections and supports proactive maintenance strategies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eChannel-to-channel and system-wide isolation protect the internal electronics and the main processor from high-voltage surges or electrical noise originating in the field. This prevents a single faulty transmitter from disrupting the remaining 15 channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Accuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a tolerance of only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e±16 µA\u003c\/strong\u003e, the AAI143-H03 delivers the precise measurement required for custody transfer, chemical dosing, and high-pressure steam monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Thermal Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module operates reliably across a wide temperature range of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e–20°C to +70°C\u003c\/strong\u003e, allowing for installation in outdoor control cabinets or facilities without intensive climate control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is this AAI143-H03 module a new version or an older spare?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: We supply this module as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original Yokogawa factory part\u003c\/strong\u003e. It comes in original packaging with the latest hardware revisions and a full 12-month industrial warranty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can the AAI143-H03 power the field transmitters (2-wire)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: No. The AAI143 is an isolated input module. For 2-wire transmitters requiring loop power, you typically utilize the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI141\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule or provide an external power source. The AAI143 is optimized for 4-wire transmitters or loops with independent power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Does this module support HART 7 devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Yes. The HART-capable AAI143 modules support standard HART protocol versions, allowing the CENTUM VP system to pass through commands and retrieve data from any standard HART field device.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How do I configure the HART pass-through feature?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: You enable the HART functionality within the Yokogawa Engineering Station (ENG). Once configured, the system uses the AAI143-H03 as a bridge to communicate with FieldMate or other asset management software.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43753632628835,"sku":"AAI143-H03","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/62.1_624badcd-9f79-4d76-ad1d-1c2f3ba9fc6b.jpg?v=1775784857","url":"https:\/\/www.autocontrolglobal.com\/products\/16-ch-isolated-4-20ma-hart-input-module-yokogawa-aai143-h03","provider":"AutoControl Global","version":"1.0","type":"link"}