{"product_id":"1c31181g02-emerson-ovation-remote-i-o-master-attachment-unit-mau","title":"1C31181G02 | Emerson Ovation | Remote I\/O Master Attachment Unit (MAU)","description":"\u003ch3\u003eProduct Summary\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson Ovation 1C31181G02\u003c\/strong\u003e is a \u003cstrong\u003eRemote I\/O Master Attachment Unit (MAU)\u003c\/strong\u003e for the Emerson Ovation distributed control system (DCS). It serves as the \u003cstrong\u003ePMOD (Personality Module) master interface\u003c\/strong\u003e for connecting up to \u003cstrong\u003e4 remote I\/O nodes\u003c\/strong\u003e over a distance of up to \u003cstrong\u003e2 kilometers\u003c\/strong\u003e, enabling distributed I\/O architecture for large-scale process control applications.\u003c\/p\u003e\n\n\u003ch3\u003eCore Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e 1C31181G02\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Remote I\/O Master Attachment Unit (MAU) \/ PMOD Master\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Master attachment unit for remote I\/O communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNode Capacity:\u003c\/strong\u003e 4 nodes (4N)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmission Distance:\u003c\/strong\u003e 2 km\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Ovation remote I\/O bus to distributed I\/O nodes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcessor:\u003c\/strong\u003e 32-bit microcontroller (per supplier documentation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI\/O Capacity:\u003c\/strong\u003e Up to 32 I\/O points (analog, digital, discrete)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScan Rate:\u003c\/strong\u003e Up to 100 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 370 × 140 × 60 mm (per some suppliers); 7.5 × 7.5 mm (per others — verify with supplier)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.5–3.0 kg (varies by source — verify with supplier)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Emerson (formerly Westinghouse)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePMOD master interface connects up to 4 remote I\/O nodes\u003c\/li\u003e\n  \u003cli\u003e2 km transmission distance for distributed I\/O architecture\u003c\/li\u003e\n  \u003cli\u003e32-bit microcontroller for reliable data processing\u003c\/li\u003e\n  \u003cli\u003eSupports analog, digital, and discrete I\/O types\u003c\/li\u003e\n  \u003cli\u003eModular design for flexible system expansion\u003c\/li\u003e\n  \u003cli\u003eHot-swappable for online maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEnvironmental Limits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +70°C (-4°F to 158°F) (per some suppliers); -40°C to +85°C (per others)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +85°C (-40°F to 185°F)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 5% to 95% RH, non-condensing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is the 1C31181G02 used for?\u003c\/h4\u003e\n\u003cp\u003eIt is a remote I\/O master attachment unit (MAU) for Emerson Ovation DCS, connecting up to 4 remote I\/O nodes over 2 km for distributed process control.\u003c\/p\u003e\n\n\u003ch4\u003eWhat does \"4N (2km)\" mean?\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e4N\u003c\/strong\u003e = 4 nodes capacity; \u003cstrong\u003e2km\u003c\/strong\u003e = maximum transmission distance of 2 kilometers between the master unit and remote I\/O nodes.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between 1C31181G01 and 1C31181G02?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e1C31181G01\u003c\/strong\u003e is a \u003cstrong\u003e2-node (2N)\u003c\/strong\u003e master attachment unit with 2 km range. The \u003cstrong\u003e1C31181G02\u003c\/strong\u003e is a \u003cstrong\u003e4-node (4N)\u003c\/strong\u003e version with the same 2 km range, offering higher node capacity.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between 1C31181G02 and 1C31181G04?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e1C31181G02\u003c\/strong\u003e supports \u003cstrong\u003e2 km\u003c\/strong\u003e transmission distance. The \u003cstrong\u003e1C31181G04\u003c\/strong\u003e is a \u003cstrong\u003e4-node (4N)\u003c\/strong\u003e version with \u003cstrong\u003e3.7 km\u003c\/strong\u003e extended transmission distance.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003ch4\u003eSafety Precautions\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDe-energize the Ovation rack before installation\u003c\/li\u003e\n  \u003cli\u003eUse proper ESD protection when handling the module\u003c\/li\u003e\n  \u003cli\u003eVerify fiber\/cable type matches the 2 km specification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStep-by-Step Procedure\u003c\/h4\u003e\n\u003col\u003e\n  \u003cli\u003ePower down the Ovation controller rack\u003c\/li\u003e\n  \u003cli\u003eAlign the module with the rack slot and insert firmly\u003c\/li\u003e\n  \u003cli\u003eSecure the module retaining clips\u003c\/li\u003e\n  \u003cli\u003eConnect remote I\/O communication cable (fiber or copper)\u003c\/li\u003e\n  \u003cli\u003ePower up and verify status LEDs\u003c\/li\u003e\n  \u003cli\u003eConfigure remote I\/O nodes via Ovation engineering station\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify number of remote I\/O nodes required (2N vs 4N)\u003c\/li\u003e\n  \u003cli\u003eConfirm transmission distance (2 km vs 3.7 km) matches your plant layout\u003c\/li\u003e\n  \u003cli\u003eEnsure remote I\/O nodes are compatible with PMOD master interface\u003c\/li\u003e\n  \u003cli\u003eFor new projects, consider current-generation Ovation remote I\/O solutions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1C31181G01 — Master Attachment Unit PMOD - 2N (2 km)\u003c\/li\u003e\n  \u003cli\u003e1C31181G02 — Master Attachment Unit PMOD - 4N (2 km) (this part)\u003c\/li\u003e\n  \u003cli\u003e1C31181G03 — Master Attachment Unit PMOD - 2N (3.7 km)\u003c\/li\u003e\n  \u003cli\u003e1C31181G04 — Master Attachment Unit PMOD - 4N (3.7 km)\u003c\/li\u003e\n  \u003cli\u003e1C31179G01 — Remote I\/O MAU Electronics Module\u003c\/li\u003e\n  \u003cli\u003e1C31179G02 — Remote I\/O MAU Electronics Module (alternate)\u003c\/li\u003e\n  \u003cli\u003e1C31204G01 — Remote I\/O Node Module\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":53693027418296,"sku":"1C31181G02","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1C31181G02_3r180.png?v=1782979613","url":"https:\/\/www.globalpetroparts.com\/products\/1c31181g02-emerson-ovation-remote-i-o-master-attachment-unit-mau","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}