{"product_id":"yokogawa-ch1-a-signal-conditioner-card","title":"Yokogawa CH1*A Signal Conditioner Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa CH1*A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCH1*A\u003c\/strong\u003e Signal Conditioner Card, operates as a dedicated hardware component for signal conversion and I\/O isolation within CENTUM V and CENTUM VP control systems.\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\u003eCH1*A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e0.60 kg (600 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard card size for Yokogawa signal nests\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eSupplied via nest backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eUnspecified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM V \/ CENTUM VP \/ Migrated systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctionality\u003c\/td\u003e\n\u003ctd\u003eSignal conversion, input\/output isolation, power isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Format\u003c\/td\u003e\n\u003ctd\u003eInstalled in signal conditioner nest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, RoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Signal Integration and Isolation Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExecutes three-way galvanic isolation between input circuitry, output loops, and the backplane power rail to prevent earth potential ground loops.\u003c\/li\u003e\n\u003cli\u003eFacilitates 4-20 mA HART loop protocol transparent signal conditioning for analog process instrumentation tied to DCS field input networks.\u003c\/li\u003e\n\u003cli\u003eProvides internal channel-to-channel isolation and surge filtering to protect central logic processors from field-side voltage spikes and high-frequency noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is primary operational power provided to the CH1*A signal conditioner card?\u003c\/p\u003e\n\u003cp\u003eA: Power is distributed directly to the module through the internal power rail of the signal conditioner nest backplane.\u003c\/p\u003e\n\u003cp\u003eQ: What isolation boundaries are maintained within the CH1*A module circuitry?\u003c\/p\u003e\n\u003cp\u003eA: The card features complete three-way electrical isolation separating the input, output, and power supply circuits.\u003c\/p\u003e\n\u003cp\u003eQ: Is the CH1*A card hot-swappable during system operation?\u003c\/p\u003e\n\u003cp\u003eA: Replacement must adhere to the specific nest backplane guidelines; field technicians should ensure the loop is switched to manual mode prior to pulling the module to avoid process disturbances.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSlide the card smoothly into its designated slot in the signal conditioner nest, ensuring the rear connector fully seats into the backplane socket.\u003c\/li\u003e\n\u003cli\u003eGround all field signal cable shields at a single point on the cabinet's low-impedance earth bar to maintain high-frequency noise suppression.\u003c\/li\u003e\n\u003cli\u003eEnsure field wiring channels maintain physical separation from high-voltage AC cables to prevent inductive electromagnetic coupling.\u003c\/li\u003e\n\u003cli\u003eConfirm that the signal conditioner nest ventilation pathways remain unblocked to allow natural convective airflow around the card assembly.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48603578761406,"sku":"CH1*A","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-08-07_17-12-04_1200x1200_17967242-8d6d-4928-9134-c0a2e0476c53.jpg?v=1786094373","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-ch1-a-signal-conditioner-card","provider":"AutoOilTech Limited","version":"1.0","type":"link"}