{"product_id":"aai135-h53-yokogawa-isolated-8-channel-hart-analog-input-module","title":"AAI135-H53 | Yokogawa | Isolated 8-Channel HART Analog Input Module","description":"\u003ch2\u003e\u003cstrong\u003eTechnical Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI141-H53\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(often identified within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI135\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries for specific current-input configurations) is a high-performance analog input module tailored for the Yokogawa CENTUM VP distributed control system. This module provides 8 channels of 4 to 20 mA DC signal acquisition, featuring full galvanic isolation between channels. This isolation is critical for preventing ground loops and protecting system logic from field-side electrical surges.\u003c\/p\u003e\n\u003cp\u003eEquipped with the \"H\" prefix, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI135-H53\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports the HART digital communication protocol, enabling the transparent transfer of diagnostic and configuration data from intelligent field instruments. The \"53\" suffix indicates a specialized revision—often including conformal coating for enhanced protection against corrosive industrial atmospheres (G3 level compliance).\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetailed Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Identification\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI135-H53\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Configuration\u003c\/strong\u003e: 8-channel current input (Channel-to-channel isolation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e: 4 to 20 mA DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Communication\u003c\/strong\u003e: HART Protocol (Standard)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Precision\u003c\/strong\u003e: ±16 µA (High-fidelity sensing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Update Period\u003c\/strong\u003e: 10 ms (Real-time synchronization)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWithstanding Voltage\u003c\/strong\u003e: 1500 V AC between input and system (1 minute)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e: 250 Ω (Nominal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmitter Power Supply\u003c\/strong\u003e: 14.3 V or higher (at 20 mA) up to 25.5 V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Input Current\u003c\/strong\u003e: 25 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Stability\u003c\/strong\u003e: Drift of ±16 µA per 10 °C change\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e: Pressure clamp terminal, MIL connector, or KS cable interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e: Max 450 mA (5 V DC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: Approx. 1.3 kg (Full assembly)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eHART Integration and Diagnostics\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAI135-H53\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a gateway for the Plant Resource Manager (PRM). By utilizing the superimposed HART signal on the 4-20 mA loop, engineers can remotely access valve signatures, sensor health, and calibration parameters without field intervention. This functionality is essential for predictive maintenance strategies in oil \u0026amp; gas and chemical processing plants.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the AAI135-H53 power 2-wire field transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the module includes an integrated power supply designed to drive loop-powered instruments while maintaining channel-to-channel isolation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the '53' revision over the standard '00' or '50'?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe '53' revision typically signifies a hardware update that includes standard conformal coating, making the module suitable for installation in environments with high humidity or corrosive gases.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support dual-redundancy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, when installed in a compatible I\/O nest, it supports redundant configuration to ensure continuous data acquisition in the event of a module failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52467808010549,"sku":"AAI135-H53","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/AAI135-H53.png?v=1774250049","url":"https:\/\/www.5gplc.com\/products\/aai135-h53-yokogawa-isolated-8-channel-hart-analog-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}