{"product_id":"yokogawa-ctl4-b-interface-module","title":"Yokogawa CTL4*B Interface Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa CTL4*B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCTL4\u003c\/strong\u003e Interface Module, operates as a dedicated hardware component for high-speed signal interface execution and data buffer management within Yokogawa CENTUM DCS platforms. It manages bi-directional protocol translation and signal coupling across system backplane communications and local rack interfaces.\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\u003eCTL4*B\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard rack card weight (~0.5 kg)\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\u003eSub-rack backplane powered (24 VDC typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM V, CENTUM XL, CENTUM VP, and legacy DCS nests\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptical and galvanic isolation across system bus paths\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 CTL4*B module acts as a communications and physical signal buffer, linking field instrumentation loops to central processing units across Yokogawa DCS nests. Designed to support legacy and modern sub-rack architectures, it routes 4-20 mA HART loop protocol signals and discrete I\/O vectors while enforcing channel-to-channel isolation. Internal filtering networks stabilize line impedance variances and suppress common-mode electrical noise, protecting central processing units from high-voltage transients induced on long signal runs.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is primary operational power provided to the CTL4*B module?\u003c\/p\u003e\n\u003cp\u003eA: Power is supplied directly through the internal backplane bus when the card is seated into its designated nest slot.\u003c\/p\u003e\n\u003cp\u003eQ: What electrical isolation mechanism does the CTL4*B feature?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates optical and galvanic isolation barriers to decouple field-side signal paths from internal system logic lines.\u003c\/p\u003e\n\u003cp\u003eQ: Can the CTL4*B card be utilized across legacy Yokogawa DCS nests?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the card provides cross-platform hardware compatibility across CENTUM V, CENTUM XL, and CENTUM VP control 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 Always wear a grounded anti-static wrist strap when handling the circuit card to prevent electrostatic discharge damage.\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 nest slot and slide the card smoothly until the rear edge-connector seats fully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding:\u003c\/strong\u003e Ensure overall cable drain wires are terminated at a single system earthing bar to prevent ground loop currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Separation:\u003c\/strong\u003e Maintain physical isolation between low-voltage DCS communication cables and high-voltage AC power wiring inside cabinet ducts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53312662241589,"sku":"CTL4*B","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/CTL4B.png?v=1786948269","url":"https:\/\/www.5gplc.com\/products\/yokogawa-ctl4-b-interface-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}