{"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\u003c\/strong\u003e Signal Conditioner Card, operates as a dedicated hardware component for signal conditioning and electrical isolation within CENTUM V and CENTUM VP systems. It conditions, isolates, and converts analog and digital I\/O lines between field-side sensors and system-side backplane communication buses.\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 (CH1 Suffix 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\u003eJapan\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 Consumption\u003c\/td\u003e\n\u003ctd\u003eNest backplane powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eSignal Conditioner Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003eThree-way galvanic isolation (input, output, and power supply)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types\u003c\/td\u003e\n\u003ctd\u003eAnalog and digital I\/O (variant-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Format\u003c\/td\u003e\n\u003ctd\u003eSub-rack signal conditioner nest slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM V, CENTUM VP, migrated Yokogawa systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe CH1*A signal conditioner board features high-integrity galvanic isolation configured across input, output, and power distribution paths to suppress common-mode electrical interference and eliminate ground loop voltages. Designed for integration within field signal conditioner nests, the module conditions both 4-20 mA HART loop protocol analog signals and discrete digital I\/O lines. Internal filtering networks stabilize line impedance variations and maintain loop linearity prior to routing formatted process variables over the backplane bus to central system processors.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is primary operational power provided to the CH1*A card?\u003c\/p\u003e\n\u003cp\u003eA: Power is distributed directly from the signal conditioner nest backplane assembly upon sliding the card into its designated slot.\u003c\/p\u003e\n\u003cp\u003eQ: What level of electrical isolation does the CH1*A card maintain?\u003c\/p\u003e\n\u003cp\u003eA: The card incorporates three-way galvanic isolation, decoupling the input signal, output signal, and internal power supply circuits from each other.\u003c\/p\u003e\n\u003cp\u003eQ: Can the CH1*A module be utilized in legacy Yokogawa system upgrades?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the card is designed for cross-platform hardware compatibility across CENTUM V, CENTUM VP, and migrated Yokogawa control system nests.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Protection:\u003c\/strong\u003e Put on a grounded anti-static wrist strap before handling the circuit card to prevent electrostatic discharge to sensitive components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNest Insertion:\u003c\/strong\u003e Align the printed circuit board edges with the guide rails of the signal conditioner nest and slide the card in firmly until the backplane connector seats completely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Ensure field instrument cable drain wires are terminated at a single system earthing point on the cabinet ground bar to block induced high-frequency noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Route field I\/O lines in isolated cable channels separate from high-voltage AC power lines to avoid electromagnetic cross-talk.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53312626786613,"sku":"CH1*A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/CH1A2.png?v=1786946652","url":"https:\/\/www.5gplc.com\/products\/yokogawa-ch1-a-signal-conditioner-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}