{"product_id":"amm22-yokogawa-multiplexer-module","title":"AMM22 | Yokogawa | Multiplexer Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM22\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM22\u003c\/strong\u003e Multiplexer Module, operates as a dedicated hardware component for process variable scanning within CENTUM CS and CENTUM VP Distributed Control System networks. This high-performance module multiplexes 16 configurable analog input channels, performing 12-bit analog-to-digital conversion on standard current and voltage signals before routing the serialized data to the host DCS controller.\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\u003eAMM22\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 (6.1 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.7 cm x 2.5 cm x 20.3 cm (5.0\" x 1.0\" x 8.0\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C (32 to 131 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W (Maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM CS \/ CENTUM VP DCS Platforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 Analog Input Channels (Configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Formats\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 0-10 V, 1-5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e12-bit resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e100 ms per channel (typical scan rate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1% of Full Scale (FS) for standard ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGalvanic Isolation\u003c\/td\u003e\n\u003ctd\u003e500 V (Channel-to-Channel and Channel-to-Ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Resistance\u003c\/td\u003e\n\u003ctd\u003eShock: 10 G (IEC 60068-2-27); Vibration: 2 G at 10-150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe AMM22 architecture utilizes rigorous channel-to-channel isolation rated at 500 V to suppress ground loops and eliminate common-mode voltage transfer between adjacent instrumentation circuits. Designed to interface with 4-20 mA HART loop protocol field devices, the input circuitry filters electrical noise without dampening high-frequency carrier signals, sustaining a deterministic 100 ms per channel scanning sequence. This isolated analog-to-digital matrix ensures precise signal conversion with an accuracy limit of $\\pm0.1\\%$ of full scale, preventing localized field-side ground faults from corrupting the internal DCS processor registers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does a fault on one analog input loop impact the operational continuity of the other 15 channels on the AMM22?\u003c\/p\u003e\n\u003cp\u003eA: Due to the integrated 500 V channel-to-channel isolation, an overvoltage spike, open loop, or short-circuit condition on a single input channel is electrically contained. The remaining 15 analog input loops will continue to scan and convert data normally without scaling errors or measurement drift.\u003c\/p\u003e\n\u003cp\u003eQ: Can the AMM22 accept a mix of different signal types, such as 4-20 mA current and 0-10 V voltage lines simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The 16 analog input channels are independently configurable. Field engineers can wire different standard signal formats (4-20 mA, 0-10 V, or 1-5 V) to designated channels, provided the configuration parameter settings in the CENTUM VP \/ CENTUM CS builder software match the physical wiring layout.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Environmental Verification\u003c\/strong\u003e: Mount the module within a clean, non-condensing control enclosure that strictly regulates ambient temperatures between 0 and 55 deg C to prevent thermal component breakdown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Practice\u003c\/strong\u003e: Terminate all instrument cable shields at a single, designated instrument ground bar within the enclosure to minimize electromagnetic interference on the 12-bit conversion matrix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Dampening Controls\u003c\/strong\u003e: Verify that the enclosure installation complies with IEC 60068-2-6 guidelines, maintaining an environment below the 2 G structural vibration threshold at 10-150 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Separating Distances\u003c\/strong\u003e: Route low-voltage analog input lines through wiring ducts that are completely isolated from high-voltage AC power distribution circuits to eliminate inductive noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47589339332798,"sku":"AMM22","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/AMM12_2.jpg?v=1779939011","url":"https:\/\/www.autooiltech.com\/products\/amm22-yokogawa-multiplexer-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}