{"product_id":"yokogawa-aai141-s00-centum-vp-analog-input-module","title":"YOKOGAWA AAI141-S00 CENTUM VP Analog Input Module","description":"\u003ch2\u003eYOKOGAWA AAI141-S00 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA AAI141-S00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAAI141\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for high-density analog signal acquisition within CENTUM VP and CENTUM CS distributed control system platforms.\u003c\/p\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\u003eAAI141-S00\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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg to 0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.4 cm x 10.8 cm x 13 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W\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 Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC or 1-5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003e100 samples \/ sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSignal Acquisition and System Architecture\u003c\/h3\u003e\n\u003cp\u003eThe AAI141-S00 provides a high-density solution for processing analog process variables. Unlike isolated modules, this unit utilizes a common-ground architecture across its 16 channels. When configuring this module, technicians must ensure that the field transmitters are compatible with a non-isolated input structure, typically requiring external loop power supplies or ground-referenced sensors to maintain signal loop integrity. The internal 12-bit analog-to-digital converter provides a 10 ms per-channel scan cycle, ensuring deterministic updates for control loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Why is the lack of channel-to-channel isolation a design factor for the AAI141?\u003c\/p\u003e\n\u003cp\u003eA: The non-isolated design is intended for applications where all field transmitters share a common reference point or are powered by a single, common loop power supply. Using non-isolated modules in systems with distributed, independent grounds can induce circulating currents (ground loops), which may manifest as measurement noise or offset errors.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module handle both current and voltage inputs simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: The module supports both 4-20 mA and 1-5 VDC signals. However, configuration must be consistent with the hardware's impedance characteristics (250 Ohm input resistance for current loops). Always verify the specific terminal wiring and system configuration parameters before connecting sensors with different signal types.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Since channels share a common ground, it is critical to verify the potential difference between field device ground and cabinet ground. Ensure all loops reference the same potential to prevent damage to the input circuitry or measurement degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use high-quality shielded twisted-pair cables. Given the non-isolated nature of the AAI141, the integrity of the reference ground is paramount; ensure the shield is terminated at a single, low-impedance ground point per segment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoading:\u003c\/strong\u003e The maximum allowable input current is limited to 24-27 mA. If a transmitter fault causes an output exceeding this limit, the internal shunt resistor or input protection circuit may be compromised; ensure that all loops are properly fused or current-limited at the field side.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43616421118042,"sku":"AAI141-S00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/176_53295bed-502b-4ebc-b7c0-fdd8bf43645f.jpg?v=1783478293","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aai141-s00-centum-vp-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}