{"product_id":"alr111-s00-yokogawa-centum-vp-serial-communication-module","title":"ALR111-S00 | Yokogawa | CENTUM VP Serial Communication Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa ALR111-S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a high-performance serial gateway for the CENTUM VP and CS 3000 Distributed Control Systems. This module enables the Field Control Station (FCS) to interface with diverse third-party subsystems, including PLCs, flow computers, and analytical instruments via the RS-232C protocol. By offloading protocol processing from the main CPU, the ALR111-S00 maintains deterministic control over critical process data. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein factory-sealed packaging to ensure peak reliability for your plant’s communication backbone.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe ALR111-S00 follows a modular nomenclature that identifies its specific hardware grade and functional scope:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSuffix Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFunctional Definition\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\u003eALR111\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSerial Communication Module (RS-232C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Type Hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFixed Identifier\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic Type Functionality\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThis module integrates directly into the FCS backplane to facilitate high-speed serial data exchange.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRS-232C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Ports:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 independent serial ports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Speed:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports up to 115.2 kbps per port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePlugs into the Field Control Station (FCS) I\/O slots.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports dual-redundant hardware configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGalvanic isolation protects the DCS backplane from field-side electrical surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGuaranteed 100% Brand New with original factory seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe ALR111-S00 provides technical solutions for integrating legacy and third-party hardware into a modern DCS environment:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSubsystem Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMany specialized instruments only support serial connectivity. The ALR111-S00 bridges this gap, allowing the CENTUM DCS to read and write variables to external devices, providing operators with a unified view of the entire process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Fidelity Signal Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStandard serial connections often suffer from noise in industrial environments. This module utilizes robust internal shielding and electrical isolation to prevent ground loops and electromagnetic interference (EMI) from corrupting process data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Port Versatility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe two-port design allows engineers to connect multiple devices to a single module slot. This maximizes rack space efficiency and reduces the overall hardware footprint in the control cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Failover:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen installed in pairs, the ALR111-S00 provides seamless redundancy. If the active module detects a hardware fault or cable disconnection, the standby unit assumes communication tasks instantly, preventing any interruption to the process control logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ALR111-S00 support Modbus communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ALR111-S00 provides the physical RS-232C layer. While it handles the electrical signals, your CENTUM software must include the appropriate Modbus RTU\/ASCII communication drivers to interpret the data from your external device.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum cable distance for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAs an RS-232C device, we recommend a maximum cable length of 15 meters (50 feet) to ensure signal integrity at high baud rates. For longer distances, you should consider using RS-232 to RS-422\/485 converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace an ALR111 with an ALR121?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The ALR111 uses RS-232C, while the ALR121 is designed for RS-422\/RS-485 communication. You must match the module type to your physical field wiring and the communication port of your subsystem.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a refurbished or original part?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe sell only\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware. Every ALR111-S00 arrives in its original Yokogawa factory box with intact seals and a full 12-month manufacturer-standard reliability expectation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52823955833141,"sku":"ALR111-S00","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/ALR111-S00.png?v=1778035485","url":"https:\/\/www.5gplc.com\/products\/alr111-s00-yokogawa-centum-vp-serial-communication-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}