{"product_id":"1c31157g02-emerson-ovation-sequence-of-events-input-module","title":"1C31157G02 | Emerson Ovation | Sequence of Events Input Module","description":"\u003ch2\u003eEmerson Ovation 1C31157G02 Sequence of Events Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson Ovation 1C31157G02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1C31157G02\u003c\/strong\u003e SOE input module, operates as a dedicated high‑voltage contact acquisition component for millisecond‑resolution event capture within Ovation DCS architectures. It processes change‑of‑state transitions from field devices such as trip relays and breaker auxiliaries under 125 V AC\/DC signaling.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003e1C31157G02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eEmerson \/ Westinghouse Ovation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApprox. 1.27 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e126.5 mm x 221.5 mm x 65 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temp\u003c\/th\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003eNot specified (no fictional values introduced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModule Type\u003c\/th\u003e\n\u003ctd\u003eSequence of Events (SOE) digital input module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Channels\u003c\/th\u003e\n\u003ctd\u003eMultichannel contact input configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal Input Voltage\u003c\/th\u003e\n\u003ctd\u003e125 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDielectric Isolation\u003c\/th\u003e\n\u003ctd\u003e1000 V AC\/DC isolation between logic and field channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTimestamp Resolution\u003c\/th\u003e\n\u003ctd\u003eMillisecond‑level accuracy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage Temp\u003c\/th\u003e\n\u003ctd\u003e-55 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHumidity\u003c\/th\u003e\n\u003ctd\u003e0% to 95% RH, non‑condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTriple Modular Redundancy \u0026amp; Galvanic Isolation Behavior\u003c\/h3\u003e\n\u003cp\u003eIn Ovation safety‑aligned deployments, the module interfaces with upstream logic paths where triple modular redundancy (TMR) 2oo3 architectures may be present. Galvanic isolation across field channels prevents cross‑channel propagation during transient faults and maintains deterministic SOE recognition. Fail‑safe state execution is supported through stable isolation boundaries, ensuring timestamp integrity even when controllers transition into protective modes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1C31157G02 be inserted or removed while the chassis is energized? A: No. Hot‑swap is not supported. The chassis must be de‑energized to avoid backplane communication faults.\u003c\/p\u003e\n\u003cp\u003eQ: Does the millisecond timestamp resolution depend on controller firmware? A: Timestamping is hardware‑driven. Firmware only maps events but does not alter the acquisition timing.\u003c\/p\u003e\n\u003cp\u003eQ: Are manual jumpers required for voltage or polarity selection? A: No. The module uses fixed electrical characteristics; configuration is handled through the Ovation software environment.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain separation between high‑voltage SOE wiring and low‑level analog loops to reduce induced noise.\u003c\/li\u003e\n\u003cli\u003eGround shielding at a single designated point to avoid ground‑loop formation.\u003c\/li\u003e\n\u003cli\u003eEnsure terminal block torque is properly applied to prevent micro‑movement under vibration.\u003c\/li\u003e\n\u003cli\u003eRoute contact wiring away from high‑energy feeders to preserve event‑capture accuracy.\u003c\/li\u003e\n\u003cli\u003eVerify correct seating in the Ovation chassis before energizing to maintain isolation integrity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ovation","offers":[{"title":"Default Title","offer_id":44115520880714,"sku":"1C31157G02","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1C31227G02_3.jpg?v=1748498127","url":"https:\/\/www.topbrandsplc.com\/products\/1c31157g02-emerson-ovation-sequence-of-events-input-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}