{"product_id":"amn33-yokogawa-centum-nest-for-communication-module-plc-module","title":"AMN33 YOKOGAWA CENTUM Nest for Communication Module PLC Module","description":"\u003ch2\u003eYOKOGAWA AMN33 Nest for Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA AMN33\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMN33\u003c\/strong\u003e Nest for Communication Module, operates as a dedicated hardware component for signal termination and backplane interfacing within CENTUM series DCS 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\u003eAMN33\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\u003e140 x 100 x 30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e32 I\/O points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC (via backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control and Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe AMN33 functions as a high-density termination interface, designed to streamline signal routing within Yokogawa CENTUM CS 3000 and VP environments. By utilizing a connector-based backplane architecture, the unit facilitates direct 4-20 mA HART loop protocol compatibility when mapped to corresponding I\/O cards. The design incorporates galvanic isolation principles through its physical separation of field wiring interfaces, effectively minimizing cross-channel interference and electromagnetic noise susceptibility. The module ensures consistent signal integrity by maintaining precise channel-to-channel isolation, which is critical for accurate process variable acquisition in large-scale control networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the AMN33 module support live module extraction or hot-swapping? A: No, the AMN33 does not support hot-swapping. Operators must perform a controlled system shutdown and disconnect the 24 VDC backplane supply prior to any maintenance or module replacement to prevent potential bus short-circuits.\u003c\/p\u003e\n\u003cp\u003eQ: How should the shield of the field wiring be managed at the AMN33 interface? A: Field cable shields should be terminated to the designated functional earth (FE) bus bar within the cabinet. Ensure the shield termination point is as close to the entry of the AMN33 as possible to maximize noise immunity and maintain a low-impedance path to ground.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stability:\u003c\/strong\u003e Secure the AMN33 unit firmly onto the standard DIN-rail or chassis mounting plate. Ensure that the module is aligned squarely with the rack backplane to avoid pin misalignment during insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Sealing:\u003c\/strong\u003e The unit is rated for IP20 operation. Install the module exclusively within a NEMA\/IP-rated control cabinet to prevent ingress of conductive dust or moisture, which could degrade the connector pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Geometry:\u003c\/strong\u003e Route all field signal wires through dedicated cable ducts separate from high-voltage AC power feeders. Maintain a minimum distance of 100 mm from power lines to reduce inductive pickup on the 32-pin interface connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Protocol:\u003c\/strong\u003e Verify that the cabinet backplane is securely bonded to the main system ground. Use star-grounding techniques for all analog loops to prevent ground loops that could introduce errors in low-level signal readings.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43624375779418,"sku":"AMN33","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/486.1_e31604ff-8d5c-4dc8-ac73-b4d7a3ba6138.jpg?v=1783584632","url":"https:\/\/www.spareoil.com\/products\/amn33-yokogawa-centum-nest-for-communication-module-plc-module","provider":"SpareOil Automation","version":"1.0","type":"link"}