{"product_id":"1c31177g03-emerson-ovation-remote-shielded-loop-interface-module","title":"1C31177G03 | Emerson Ovation | Remote Shielded Loop Interface Module","description":"\u003ch3\u003eProduct Summary\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson Ovation 1C31177G03\u003c\/strong\u003e is a \u003cstrong\u003emA Remote Shielded Loop Interface Module\u003c\/strong\u003e for the Emerson Ovation DCS. It provides \u003cstrong\u003e4 channels of 4-20mA analog input\/output\u003c\/strong\u003e with \u003cstrong\u003eremote-powered operation\u003c\/strong\u003e and \u003cstrong\u003eshielded loop design\u003c\/strong\u003e, enabling reliable current loop communication with field devices over longer distances while minimizing electrical noise interference.\u003c\/p\u003e\n\n\u003ch3\u003eCore Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e 1C31177G03\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e mA Remote Shielded Loop Interface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4 (AI\/AO configurable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Range:\u003c\/strong\u003e 4–20 mA (per official manual); -40 to +40 mA (per some suppliers)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Range:\u003c\/strong\u003e 4–20 mA (per official manual); -40 to +40 mA (per some suppliers)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Remote powered (field-side loop power)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Shielded loop design for noise immunity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 16-bit (typical)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.1% of full scale\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Channel-to-channel and channel-to-system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Rack mount\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\u003eRemote-powered design eliminates need for local excitation power\u003c\/li\u003e\n  \u003cli\u003eShielded loop architecture minimizes EMI\/RFI interference\u003c\/li\u003e\n  \u003cli\u003e4-channel bidirectional AI\/AO for flexible loop configuration\u003c\/li\u003e\n  \u003cli\u003eHigh accuracy ±0.1% for precise process control\u003c\/li\u003e\n  \u003cli\u003eGalvanic isolation protects against ground loops\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 0°C to 60°C (32°F to 140°F)\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 0% 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 1C31177G03 used for?\u003c\/h4\u003e\n\u003cp\u003eIt is a 4-channel mA remote shielded loop interface for Emerson Ovation DCS, providing isolated 4-20mA analog input\/output with field-side loop power and shielded noise immunity.\u003c\/p\u003e\n\n\u003ch4\u003eWhat does \"remote powered\" mean?\u003c\/h4\u003e\n\u003cp\u003eThe module \u003cstrong\u003edraws excitation power from the field current loop\u003c\/strong\u003e rather than supplying it from the controller, making it ideal for applications where centralized power distribution is preferred.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between 1C31177G02 and 1C31177G03?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e1C31177G02\u003c\/strong\u003e is the \u003cstrong\u003emA Local Shielded Loop Interface\u003c\/strong\u003e (system-powered). The \u003cstrong\u003e1C31177G03\u003c\/strong\u003e is the \u003cstrong\u003emA Remote Shielded Loop Interface\u003c\/strong\u003e (field-powered).\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between 1C31177G01 and 1C31177G03?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003e1C31177G01\u003c\/strong\u003e is the \u003cstrong\u003eVoltage AO Loop Interface\u003c\/strong\u003e (voltage output). The \u003cstrong\u003e1C31177G03\u003c\/strong\u003e is the \u003cstrong\u003emA Remote Shielded Loop Interface\u003c\/strong\u003e (current loop).\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 shield grounding configuration for noise immunity\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 I\/O 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 shielded 4-20mA field wiring to the terminal base unit\u003c\/li\u003e\n  \u003cli\u003eEnsure proper shield grounding at one end only\u003c\/li\u003e\n  \u003cli\u003ePower up and verify module status LEDs\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 1C31177G03 for field-powered (remote) loop applications\u003c\/li\u003e\n  \u003cli\u003eUse 1C31177G02 for system-powered (local) loop applications\u003c\/li\u003e\n  \u003cli\u003eEnsure shielded cable is used for full noise immunity benefit\u003c\/li\u003e\n  \u003cli\u003eVerify loop resistance is compatible with remote power design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1C31177G01 — Voltage AO Loop Interface\u003c\/li\u003e\n  \u003cli\u003e1C31177G02 — mA Local Shielded Loop Interface\u003c\/li\u003e\n  \u003cli\u003e1C31177G03 — mA Remote Shielded Loop Interface (this part)\u003c\/li\u003e\n  \u003cli\u003e1C31174G03 — 0-20mA Loop Interface\u003c\/li\u003e\n  \u003cli\u003e1C31174G04 — 0-5V Electric Drive Loop Interface\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":53712727408824,"sku":"1C31177G03","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1C31232G02_2.png?v=1782979614","url":"https:\/\/www.globalpetroparts.com\/products\/1c31177g03-emerson-ovation-remote-shielded-loop-interface-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}