{"product_id":"yokogawa-amm12c-centum-vp-analog-input-multiplexer-module","title":"Yokogawa AMM12C CENTUM VP Analog Input Multiplexer Module","description":"\u003ch2\u003eYokogawa AMM12C Analog Input Multiplexer Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM12C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM12C\u003c\/strong\u003e Analog Input Multiplexer Module, operates as a dedicated hardware component for high-density signal acquisition within CENTUM VP\/CS process control systems.\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\u003eAMM12C\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32.8 x 130 x 107.5 mm\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\u003e400 mA (5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 multiplexed channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Input\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control \u0026amp; Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe AMM12C utilizes a multiplexed architecture to interface multiple field transmitter signals into the Yokogawa control environment. Each channel supports standard 4-20 mA DC current loops, with integrated burnout detection logic to identify open-loop or short-circuit fault states. System-to-bus isolation is maintained to protect the backplane from field-side transients, ensuring signal integrity during the multi-second multiplexed cycle. The module facilitates efficient I\/O density within the I\/O nest, supporting high-density configurations necessary for large-scale process automation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary function of the multiplexing cycle in the AMM12C?\u003c\/p\u003e\n\u003cp\u003eA: The module cycles through the 16 input channels to sample field data sequentially. This allows the system to monitor a high number of inputs using a consolidated processing path, resulting in a total data update period of approximately 1 second.\u003c\/p\u003e\n\u003cp\u003eQ: How does the AMM12C handle sensor burnout detection?\u003c\/p\u003e\n\u003cp\u003eA: The module monitors the current loop status; if the input signal falls outside the predefined operating range (indicating a loop failure), the module triggers a burnout detection flag which is configurable to either upscale or downscale for alarm processing.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Secure the AMM12C module into the designated slot within the Yokogawa I\/O cabinet nest. Ensure the backplane connectors are fully seated to prevent intermittent bus communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded twisted-pair cabling for all 4-20 mA inputs to mitigate electromagnetic interference. Connect cable shields to the cabinet ground bar, ensuring the shield is grounded at one end only to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Considerations:\u003c\/strong\u003e Maintain ambient temperatures within the specified -10 deg C to +55 deg C range. Ensure adequate air circulation within the cabinet to prevent thermal accumulation, as high-density modules generate localized heat during continuous operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Do not attempt to modify the module firmware or internal jumpers while the system is powered. Verify that all field connections are torqued to manufacturer specifications to ensure long-term mechanical stability.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43616968212570,"sku":"AMM12C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/480._67cfc45e-e9a6-4249-94f5-bdbe96036a5f.jpg?v=1783490728","url":"https:\/\/www.spareoil.com\/products\/yokogawa-amm12c-centum-vp-analog-input-multiplexer-module","provider":"SpareOil Automation","version":"1.0","type":"link"}