{"product_id":"yokogawa-ant401-50-cu1t-optical-esb-bus-repeater-master-module-5km-range","title":"Yokogawa ANT401-50\/CU1T Optical ESB Bus Repeater Master Module (5km Range)","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Yokogawa ANT401-50\/CU1T functions as a high-performance Optical ESB Bus Repeater Master Module, essential for extending the communication reach of CENTUM VP integrated control systems. This module overcomes the distance limitations of standard copper cabling by converting electrical signals into fiber optic transmissions, facilitating reliable data exchange over distances up to 5 kilometers. It plays a pivotal role in large-scale industrial complexes—such as petrochemical refineries and sprawling power plants—where controllers and remote I\/O nodes reside in geographically separated areas. By utilizing optical isolation, the ANT401-50\/CU1T effectively eliminates ground potential differences and protects the system against electromagnetic interference (EMI) and lightning surges, ensuring the continuous integrity of mission-critical control loops.\u003c\/p\u003e\n\u003ch2\u003eTechnical Configuration\u003c\/h2\u003e\n\u003cp\u003eThe suffix codes for the ANT401 series define the transmission capability and hardware interface, ensuring compatibility with specific fiber optic infrastructures.\u003c\/p\u003e\n\u003ch3\u003eModel Suffix Analysis\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eANT401:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBasic Model Code for the Optical ESB Bus Repeater Master Module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e-50:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifies the extended transmission distance capability. This code confirms the module supports long-haul communication up to 5 kilometers using single-mode fiber optic cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\/CU1T:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndicates the hardware interface and mounting configuration. The \"CU\" designation typically refers to the connector type and communication unit assembly, while the \"T\" confirms the inclusion of specialized terminal blocks or specific thermal hardening for rack-mounted environments.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eANT401-50\/CU1T\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptical ESB Bus (Single-mode Fiber)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Distance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 km\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A at 5V DC (Internal Bus)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e33 mm x 130 mm x 123.5 mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0.25 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128 Mbps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSlots in ANB10 or AFV30\/40 Base Units\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003eSuccessful deployment of optical repeaters requires precision in fiber handling and clean electrical termination.\u003c\/p\u003e\n\u003ch3\u003eFiber Optic Management\u003c\/h3\u003e\n\u003cp\u003eUse high-quality single-mode fiber optic cables with SC-type connectors. Before insertion, clean all optical faces with an approved fiber cleaner to prevent signal attenuation. Maintain a minimum bending radius of at least 30 mm for the fiber patches to avoid micro-fractures in the glass core that lead to intermittent data loss.\u003c\/p\u003e\n\u003ch3\u003ePower and Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe module receives power directly from the backplane of the base unit. Ensure the master module (ANT401) and the corresponding slave module (ANT502) maintain synchronized power-up sequences. If the system utilizes redundant configurations, verify that both primary and secondary optical paths follow physically separate conduit routes to maximize availability.\u003c\/p\u003e\n\u003ch3\u003eThermal Considerations\u003c\/h3\u003e\n\u003cp\u003eThe module operates efficiently up to 70°C. However, in high-density racks, maintain active airflow to prevent heat pockets. If the environment exceeds standard industrial temperatures, utilize heat-dissipating filler plates in adjacent empty slots.\u003c\/p\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eThe ANT401-50\/CU1T provides total galvanic isolation between control rooms and field sites, shielding the central processor from field-side electrical faults. Its high-speed 128 Mbps throughput ensures that even at a 5 km distance, the latency of I\/O updates remains negligible, maintaining the real-time responsiveness of PID loops. The rugged design resists the corrosive atmospheres common in chemical processing, while the \"hot-swap\" capability allows maintenance teams to replace modules without shutting down the entire control segment, drastically reducing potential downtime.\u003c\/p\u003e\n\u003ch2\u003eShipping and Delivery\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3-5 business days upon payment confirmation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLogistics Partners:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGlobal shipping via DHL, FedEx, and UPS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBrand New, Factory Sealed, Original Packaging.\u003c\/p\u003e\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can I use multi-mode fiber with the ANT401-50?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: No. The \"-50\" designation is specifically designed for single-mode fiber to achieve the 5 km range. Using multi-mode fiber will result in severe signal dispersion and communication failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Does this module support redundant configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: Yes. For high-availability systems, you can install two ANT401 modules in a redundant base unit. The CENTUM VP software automatically manages the failover between the two optical paths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How do I verify the signal strength of the optical link?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: You can monitor the link status via the Yokogawa Maintenance Man tool or System View. Physical verification requires an optical power meter to ensure the loss over the 5 km span does not exceed the module's rated optical budget.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is the CU1T suffix compatible with older RIO bus architectures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: The ANT401 is designed for the ESB and ER bus architectures used in CENTUM VP and newer CS3000 systems. It is not directly compatible with legacy \"Rio\" bus systems from the XL or early Centum series without a gateway.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45907072155821,"sku":"ANT401-50\/CU1T","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/yokogawa_ant401-50_5.jpg?v=1776132113","url":"https:\/\/www.maxwellplc.com\/products\/yokogawa-ant401-50-cu1t-optical-esb-bus-repeater-master-module-5km-range","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}