{"product_id":"yokogawa-amm25t-fio-series-datasheet-technical-manual","title":"Yokogawa AMM25T FIO Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eYOKOGAWA AMM25T Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA AMM25T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM25T\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for high-density signal acquisition and conversion within CENTUM VP and ProSafe-RS 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\u003eAMM25T\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\u003e150 mm x 20 mm x 100 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\u003e8 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signals\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC, 1-5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1 % of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Instrumentation\u003c\/h3\u003e\n\u003cp\u003eThe AMM25T facilitates signal acquisition through a high-density architecture supporting 32 independent channels. Each channel provides robust channel-to-channel isolation, preventing electrical noise propagation between field loops and ensuring the integrity of the 4-20 mA HART loop protocol implementation. The module performs high-resolution 16-bit analog-to-digital conversion, mapping field inputs to the control system with a 10 ms per channel conversion time. Built-in diagnostic routines continuously monitor for overcurrent conditions and reverse wiring states, reporting status directly to the controller backplane to maintain the operational state of the I\/O subsystem.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AMM25T module support hot-swapping during active system operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swapping capability. When replacing a module, ensure the system software has been commanded to ignore input data from the slot to prevent transient diagnostic errors from triggering false alarms in the control logic.\u003c\/p\u003e\n\u003cp\u003eQ: How is the isolation voltage maintained across the module?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes galvanic isolation to provide a 1500 V AC barrier for 1 minute between channels and between the channel and the system backplane. This prevents ground loops and protects the control bus from high-voltage transients on the field side.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Insert the module into the designated slot of the FIO baseplate. Ensure the module is pushed firmly until the mechanical locking mechanism engages, confirming a secure electrical connection to the backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring\u003c\/strong\u003e: Terminate field cables using the pressure clamp terminal blocks. Ensure all conductors are stripped to the specified length to prevent exposed wiring while maintaining a secure grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding\u003c\/strong\u003e: Terminate cable shields at the cabinet ground bar. Minimize the distance between the shield break-out point and the terminal block to maintain maximum electromagnetic immunity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerification\u003c\/strong\u003e: After installation, verify the channel signal values in the DCS engineering station. Check for loop continuity and ensure input impedance (250 Ohm for current loops) matches the transmitter requirements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43585686143066,"sku":"AMM25T","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/214._7f9b25f3-686d-491c-baf6-e143ebd42f2f.jpg?v=1783061870","url":"https:\/\/www.spareoil.com\/ar\/products\/yokogawa-amm25t-fio-series-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}