{"product_id":"triconex-3515-pulse-input-module-with-optical-isolation","title":"Triconex 3515 Pulse Input Module with Optical Isolation","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview of the Triconex 3515 Pulse Input Module\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 3515\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Pulse Input (PI) module designed for use in Triconex Triple Modular Redundancy (TMR) safety systems. It is used to acquire high-integrity pulse and frequency signals from field devices such as flow meters, turbine meters, encoders, and totalizers.\u003c\/p\u003e\n\u003cp\u003eThe module incorporates optical isolation to electrically separate field wiring from system electronics, significantly improving noise immunity and protecting the Triconex controller from transient voltages and ground loops. This makes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3515\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esuitable for safety-critical pulse counting and totalization applications in demanding industrial environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePulse Acquisition and Isolation Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3515\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprocesses pulse signals through optically isolated input channels, ensuring accurate detection of high-speed and low-level pulse signals. Optical isolation allows signal transmission using light rather than direct electrical coupling, enhancing system robustness and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eWithin the TMR architecture, pulse inputs are independently processed and voted, ensuring fault tolerance and continuous operation even in the presence of internal hardware failures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3515\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eTriconex (Invensys \/ Schneider Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePulse Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eTriconex TMR Safety Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003ePulse \/ Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Isolation\u003c\/td\u003e\n\u003ctd\u003eOptical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Sources\u003c\/td\u003e\n\u003ctd\u003eFlow meters, turbine meters, encoders, pulse transmitters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Processing\u003c\/td\u003e\n\u003ctd\u003eHigh-integrity pulse counting and totalization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eTriple Modular Redundancy (TMR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eChannel status monitoring, fault detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 V DC via Triconex chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 °C to +60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e–40 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eTriconex chassis (rack-mounted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Weight\u003c\/td\u003e\n\u003ctd\u003e0.5–0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL3, CE, UL, CSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifecycle Status\u003c\/td\u003e\n\u003ctd\u003eSupported in Triconex safety systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43950715207779,"sku":"3515","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/27.1_74a527f8-74e2-4ab1-96e7-43dc1ce6f7bb.jpg?v=1768353713","url":"https:\/\/www.autocontrolglobal.com\/products\/triconex-3515-pulse-input-module-with-optical-isolation","provider":"AutoControl Global","version":"1.0","type":"link"}