{"product_id":"yokogawa-aai143-s50-s1-input-card","title":"Yokogawa AAI143-S50 S1 Input Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AAI143-S50 S1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAI143-S50 S1\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for 16-channel isolated current signal acquisition within CENTUM VP and CS 3000 DCS platforms. It processes 4-20 mA analog input loops while providing individual channel isolation and supporting dual-redundant configurations.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAAI143\u003c\/strong\u003e: Base hardware platform for 16-channel isolated current input processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S50\u003c\/strong\u003e: Standard industrial packaging and coating specification for process control environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS1\u003c\/strong\u003e: Hardware Revision Style 1, designating the initial baseline manufacturing release for isolated analog architecture.\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-S50 S1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial Manufacturing\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 DCS Baseplate Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 V DC (approx. 500 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eAnalog current input (4-20 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 (each channel isolated individually)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Input Current\u003c\/td\u003e\n\u003ctd\u003eUp to 24 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003ePower ON: 270-350 Ohm; Power OFF: \u0026gt;=500 kOhm\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\u003eWithstand Voltage\u003c\/td\u003e\n\u003ctd\u003e1500 V AC for 1 minute between input and system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and CJC Loop Integration\u003c\/h3\u003e\n\u003cp\u003eEach of the 16 channels features individual galvanic isolation rated at 1500 V AC for 1 minute against the system bus, eliminating ground loops and common-mode transients in noisy industrial settings. The circuitry supports 4-20 mA current loops with optional HART communication overlay. For temperature loops utilizing external transducers, cold junction compensation (CJC) handling is coordinated through system terminal blocks to preserve measurement fidelity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the individual channel isolation protect the module during high-voltage faults on a single loop?\u003c\/p\u003e\n\u003cp\u003eA: Each channel provides an independent 1500 V AC withstand barrier between the field loop and the system logic, preventing localized overvoltage faults from propagating across adjacent channels or damaging the internal 5 V DC bus.\u003c\/p\u003e\n\u003cp\u003eQ: What are the impedance characteristics when the module is powered off in a redundant configuration?\u003c\/p\u003e\n\u003cp\u003eA: When powered off, the input resistance increases to \u0026gt;=500 kOhm, preventing signal loading and allowing dual-redundant companion modules to maintain uncorrupted loop measurements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module onto the designated DIN rail or system baseplate slot, ensuring secure physical latching before engaging electrical backplane connectors.\u003c\/li\u003e\n\u003cli\u003eTerminate all 4-20 mA current loop wiring using shielded twisted-pair cables, grounding the shield at a single external marshalling cabinet bar to maintain noise immunity.\u003c\/li\u003e\n\u003cli\u003eVerify that the 5 V DC system bus power supply remains stable under the nominal 500 mA load prior to full loop commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52842886562072,"sku":"AAI143-S50 S1","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/VC401-10_3_072ba610-38ec-497b-9f78-ce1e9d456fee.jpg?v=1791596995","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-aai143-s50-s1-input-card","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}