{"product_id":"terminal-i-o-module-nest-centum-dcs-yokogawa-amn31-s1","title":"Terminal I\/O Module Nest CENTUM DCS Yokogawa AMN31-S1","description":"\u003ch2\u003eYokogawa AMN31-S1 Terminal I\/O Module Nest\u003c\/h2\u003e\n\u003cp\u003eConfigured for centralized I\/O signal termination in CENTUM CS 3000 and CENTUM VP control architectures, the \u003cstrong\u003eYokogawa AMN31-S1\u003c\/strong\u003e (\u003cstrong\u003eAMN31\u003c\/strong\u003e Terminal I\/O Module Nest) provides direct physical execution of module-to-field interface connectivity.\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\u003eAMN31-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\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e125 mm x 130 mm x 248 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\u003ePassive Nest \/ Bus Powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlot Capacity\u003c\/td\u003e\n\u003ctd\u003eMulti-module support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail or panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation\u003c\/td\u003e\n\u003ctd\u003eIEC-compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe AMN31-S1 serves as the mechanical and electrical backbone for I\/O modules, facilitating channel-to-channel isolation by maintaining strict physical separation between signal paths. This nest design supports seamless integration of 4-20 mA HART loop protocol modules, ensuring that signal integrity is preserved from the field termination point to the backplane. When interfacing with thermocouple-based inputs, the nest structure accommodates cold junction compensation (CJC) requirements, allowing the mounted modules to maintain accurate temperature measurement across the DCS network. Proper operation mandates a common low-impedance ground connection to the cabinet earth bus to minimize noise interference.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AMN31-S1 support hot-swapping of I\/O modules?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the nest is engineered to support the hot-swapping of individual I\/O modules. The design allows for the removal and insertion of modules without requiring a shutdown of the main system power or disturbing adjacent active signal loops.\u003c\/p\u003e\n\u003cp\u003eQ: How should the nest be grounded to ensure electrical safety and noise immunity?\u003c\/p\u003e\n\u003cp\u003eA: Secure the chassis directly to the cabinet mounting plate using the provided grounding lugs. Use a flexible, braided copper grounding strap to connect the nest chassis to the cabinet main earth bar, ensuring the path impedance is minimized to comply with the IEC insulation standards.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Install the AMN31-S1 on a rigid, vibration-resistant surface or a high-strength DIN rail. Ensure that the mounting surface is level to prevent mechanical stress on the backplane connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Route signal cables through the designated wire ducts within the cabinet, separating them from high-voltage AC lines by at least 300 mm. Use ferrules on all wire terminations to ensure secure contact within the terminal blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Control:\u003c\/strong\u003e Position the nest away from heat-generating devices. Ensure that airflow is not restricted by cable bundles, as the nest requires ambient air circulation to maintain module temperatures within the specified -10 deg C to +55 deg C range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Periodically check the mechanical integrity of the module latching mechanisms. Replace any damaged connectors immediately to prevent intermittent signal loss or contact oxidation.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43655325810778,"sku":"AMN31 S1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/534._9411f406-a360-4cc4-95c3-deaac70a90c8.jpg?v=1783996659","url":"https:\/\/www.spareoil.com\/es\/products\/terminal-i-o-module-nest-centum-dcs-yokogawa-amn31-s1","provider":"SpareOil Automation","version":"1.0","type":"link"}