{"product_id":"yokogawa-alr111-s50-centum-vp-serial-communication-module","title":"Yokogawa ALR111-S50 CENTUM VP Serial Communication Module","description":"\u003ch2\u003eYokogawa ALR111-S50 CENTUM VP Serial Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ALR111-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eALR111\u003c\/strong\u003e Serial Communication Module, operates as a dedicated hardware component for half-duplex point-to-point serial data transfer within CENTUM VP and FA-M3 control system networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOption \/ Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eALR111\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eSerial Communication Module (RS-232C, 2-port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Type\u003c\/td\u003e\n\u003ctd\u003eStandard functional specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExplosion Protection\u003c\/td\u003e\n\u003ctd\u003eWith no explosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBasic Type\u003c\/td\u003e\n\u003ctd\u003eBasic configuration type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eALR111-S50\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\u003e0.40 kg (Net), 2.0 kg (Shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard rack-mounted I\/O slot enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6 A @ 5 VDC (Internal backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Interface\u003c\/td\u003e\n\u003ctd\u003eRS-232C, 2 Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Topology\u003c\/td\u003e\n\u003ctd\u003ePoint-to-point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Mode\u003c\/td\u003e\n\u003ctd\u003eHalf-duplex, Start-stop synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speeds\u003c\/td\u003e\n\u003ctd\u003e1200, 2400, 4800, 9600, 19200, 38400 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Encoding\u003c\/td\u003e\n\u003ctd\u003eASCII or Binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFraming Format\u003c\/td\u003e\n\u003ctd\u003e7 or 8 data bits, 1 or 2 stop bits, Parity: None \/ Even \/ Odd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eMaximum 15 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePost-Transmission Lag\u003c\/td\u003e\n\u003ctd\u003e1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Connectivity\u003c\/h3\u003e\n\u003cp\u003eConfigured for Yokogawa CENTUM VP field control stations (FCS), the ALR111-S50 module executes serial subsystem integration across subsystem gateways and field devices. Integrated channel-to-channel isolation protects internal control station backplanes from field-side voltage transients and ground loops. The interface module processes RS-232C point-to-point telemetry streams and aligns them with higher-level DCS database architectures, maintaining signal integrity alongside 4-20 mA HART and FOUNDATION Fieldbus field instruments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum transmission distance and supported baud rate for the ALR111-S50?\u003c\/p\u003e\n\u003cp\u003eA: The ALR111-S50 supports RS-232C point-to-point serial links up to 15 m at configurable speeds of 1200, 2400, 4800, 9600, 19200, and 38400 bps.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle timing between data packet transmissions?\u003c\/p\u003e\n\u003cp\u003eA: The hardware incorporates a fixed 1 ms post-transmission lag time during half-duplex operation to clear interface buffers and prevent data collisions during direction switching.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the ALR111-S50 module vertically into the dedicated slot of the field control unit or node unit, ensuring complete engagement with the backplane connector. Verify that total cable lengths do not exceed 15 m. Route RS-232C signal cables through dedicated low-voltage instrument raceways away from AC power lines or variable frequency drive cables. Ground cable shields at a single chassis point to suppress high-frequency electromagnetic interference.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43838383390810,"sku":"ALR111","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/801.jpg?v=1786588924","url":"https:\/\/www.spareoil.com\/products\/yokogawa-alr111-s50-centum-vp-serial-communication-module","provider":"SpareOil Automation","version":"1.0","type":"link"}