{"product_id":"emerson-1c31157g01-digital-input-modules","title":"Emerson 1C31157G01 Digital Input Modules","description":"\u003cp\u003eConfigured for high-speed contact state acquisition in Ovation DCS networks, the \u003cstrong\u003eEmerson 1C31157G01\u003c\/strong\u003e (\u003cstrong\u003e1C31157G01\u003c\/strong\u003e SOE Module) provides direct physical\/electrical execution. This Sequence of Events (SOE) input module latches field contact state transitions and applies millisecond-accurate timestamps before passing event frames to the system controller.\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\u003e1C31157G01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.73 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Ovation I\/O Rack Slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard Backplane Bus Draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSequence of Events Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Protocol\u003c\/td\u003e\n\u003ctd\u003e4-20 mA HART loop protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Format\u003c\/td\u003e\n\u003ctd\u003eStandard Ovation I\/O Base Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Interface \u0026amp; Loop Isolation\u003c\/h3\u003e\n\u003cp\u003eEngineered for integration into Ovation I\/O racks, the module incorporates channel-to-channel isolation to prevent field voltage surges and ground potential differences from affecting backplane processing logic. Input conditioning circuits support high-speed digital state detection alongside standard 4-20 mA HART loop protocol signaling networks. Cold junction compensation (CJC) references maintain analog processing accuracy across varying cabinet thermal profiles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is live insertion and extraction permitted for the 1C31157G01 module?\u003c\/p\u003e\n\u003cp\u003eA: Rack power and field signal lines must be de-energized or verified safe per Ovation field procedures before extracting or inserting the module.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle high-voltage field spikes across input channels?\u003c\/p\u003e\n\u003cp\u003eA: Galvanic channel-to-channel isolation physically decouples each input circuit, blocking common-mode voltage spikes and ground noise from propagating across the backplane.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off power to the target subrack slot and isolate all field input circuits before inserting the module.\u003c\/li\u003e\n\u003cli\u003eWear an ESD grounding wrist strap attached to the cabinet ground point during handling.\u003c\/li\u003e\n\u003cli\u003eInspect backplane card-edge connectors for bent pins, dust, or contamination prior to mounting.\u003c\/li\u003e\n\u003cli\u003eAlign the module card edges with the slot guide rails and push firmly until fully seated in the backplane connector.\u003c\/li\u003e\n\u003cli\u003eTighten top and bottom retaining screws to 0.5 Nm torque to establish frame earth grounding.\u003c\/li\u003e\n\u003cli\u003eConnect all field signal shield drain wires to a single cabinet ground lug to eliminate ground loop noise.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":66726583992435,"sku":"1C31157G01","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/1C31113G06_Cocoai_090e6dfa-ff3f-4bee-aaa1-bf0ceeb4e3b0.jpg?v=1790561200","url":"https:\/\/www.dcssupplier.com\/ar\/products\/emerson-1c31157g01-digital-input-modules","provider":"DcsSupplier Limited","version":"1.0","type":"link"}