{"product_id":"1c31181g01-ovation-remote-i-o-module","title":"1C31181G01 | Ovation Remote I\/O Module","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson 1C31181G01\u003c\/strong\u003e is a \u003cstrong\u003eRemote I\/O Master Attachment Unit Personality Module (PMOD)\u003c\/strong\u003e for the Ovation™ distributed control system. It functions as the personality board within the Media Attachment Unit (MAU), translating signals between the PCRR (Primary Communication Ring Repeater) and fiber optic media for remote node communication up to 2 km.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eData Conflict Note:\u003c\/strong\u003e Verified suppliers provide overlapping but distinct classifications. RMS-DCS explicitly identifies 1C31181G01 as the \u003cstrong\u003ePersonality Module (PAU)\u003c\/strong\u003e within the MAU assembly, housing the Attachment Unit Personality Board. PLCMasters and other suppliers describe it broadly as a \u003cstrong\u003eRemote I\/O Master Unit\u003c\/strong\u003e. JDZJ lists it as \u003cstrong\u003eMaster-Connecting Unit PMOD-2N (2 km)\u003c\/strong\u003e. The specifications below reflect the most functionally detailed classification (Personality Module for MAU).\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Emerson (Westinghouse)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 1C31181G01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Remote I\/O Master Attachment Unit PMOD \/ MAU Personality Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Signal translation between PCRR and fiber optic media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistance Rating:\u003c\/strong\u003e 2 km (per jdzj.com: PMOD-2N 2 km)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 24 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 2 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e RS-485 (per PLCDCSPro); Fiber optic (per RMS-DCS)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~0.1 – 3.0 kg (varies significantly by packaging\/source)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTranslates signals between PCRR logic and fiber optic media\u003c\/li\u003e\n\u003cli\u003eProvides connectors for fiber optic cables to remote nodes\u003c\/li\u003e\n\u003cli\u003eSupports up to four remote nodes per MAU assembly\u003c\/li\u003e\n\u003cli\u003eHot-swappable design for minimal system downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does PMOD-2N mean?\u003c\/strong\u003e\u003cbr\u003eA: PMOD indicates this is a Personality Module; 2N typically refers to a 2-node or 2-channel fiber configuration with a 2 km distance rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this the complete MAU or just the personality module?\u003c\/strong\u003e\u003cbr\u003eA: 1C31181G01 is the \u003cstrong\u003ePersonality Module (PMOD)\u003c\/strong\u003e component of the MAU. The complete MAU also requires the Electronics Module (1C31179) and base assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for copper media instead of fiber?\u003c\/strong\u003e\u003cbr\u003eA: No, the 1C31181G01 is specifically configured for fiber optic media attachment. For copper media, verify alternative PMOD part numbers.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInsert the 1C31181G01 PMOD into the MAU electronics module (1C31179).\u003c\/li\u003e\n\u003cli\u003eConnect fiber optic cables to the PMOD connectors per the system diagram.\u003c\/li\u003e\n\u003cli\u003eVerify fiber polarity and clean connectors before insertion.\u003c\/li\u003e\n\u003cli\u003eConfirm remote node controllers have power and are communicating.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrder 1C31181G01 when you need a 2 km fiber personality module for Ovation MAU remote I\/O.\u003c\/li\u003e\n\u003cli\u003eFor 3.7 km distance, use 1C31181G03 (PMOD-2N 3.7 km).\u003c\/li\u003e\n\u003cli\u003eFor 4-node configurations, verify whether 1C31181G02 (4N 2 km) is required.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":53858005909688,"sku":"1C31181G01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1C31181G02_3_ddf3ac0d-d69e-4b07-9bda-dfab2d7f5cae.png?v=1785815295","url":"https:\/\/www.globalpetroparts.com\/products\/1c31181g01-ovation-remote-i-o-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}