{"product_id":"yokogawa-alr111-s51-centum-vp-serial-rs-232c-module","title":"Yokogawa ALR111-S51 CENTUM VP Serial RS-232C Module","description":"\u003ch2\u003eYokogawa ALR111-S51 CENTUM VP Serial Communication Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for RS-232C serial interface operations in CENTUM VP control environments, the \u003cstrong\u003eYokogawa ALR111-S51\u003c\/strong\u003e (\u003cstrong\u003eYokogawa ALR111\u003c\/strong\u003e Serial Communication Module) provides direct physical\/electrical execution of subsystem data link layers. The hardware establishes point-to-point data exchange pathways between field control stations and external peripheral devices without routing through auxiliary media converters.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eALR111\u003c\/strong\u003e: Base model hardware code for the 2-port RS-232C serial communication module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Type Configuration (-S)\u003c\/strong\u003e: Specifies standard performance hardware layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExplosion Protection Code (5)\u003c\/strong\u003e: Designates hardware with no explosion protection ratings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Resistance Rating (1)\u003c\/strong\u003e: Identifies conformal coating compliance matching ISA Standard G3 specifications.\u003c\/li\u003e\n\u003c\/ul\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-S51\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.7 x 5.1 x 12.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A current consumption via system bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Ports\u003c\/td\u003e\n\u003ctd\u003e2 x RS-232C channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Mode\u003c\/td\u003e\n\u003ctd\u003eHalf-duplex operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Connectors\u003c\/td\u003e\n\u003ctd\u003eD-sub 9-pin female terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rates\u003c\/td\u003e\n\u003ctd\u003e300 to 19200 bps\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\u003eSystem Installation\u003c\/td\u003e\n\u003ctd\u003eAFV30, AFV40, A2FV50, A2FV70, ANB10, ANB11, ANR10, AFF50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDistributed Control System Subsystem Integration\u003c\/h3\u003e\n\u003cp\u003eThe module executes serial data transfers across industrial networks using automated frame management utilities. The physical interface supports standard 4-20 mA HART loop protocol translation architectures by mapping variables directly to local distributed control system controller memories. Internal routing circuits deliver channel-to-channel isolation between serial channels, limiting signal skew and suppressing electrical ground loops across external telemetry cabling networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the physical serial channels on the module execute distinct protocol stacks simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: The internal processing architecture dictates that both integrated RS-232C ports execute identical communication functions. Split protocol configurations on separate channels are not supported by the module firmware.\u003c\/p\u003e\n\u003cp\u003eQ: How does the communication module flag physical link errors to the host node?\u003c\/p\u003e\n\u003cp\u003eA: The hardware incorporates autonomous parity checking and framing verification circuitry. When the module detects an invalid bit sequence, it reports a hardware framing fault flag directly to the active host Field Control Station.\u003c\/p\u003e\n\u003cp\u003eQ: What action occurs if the module requires service during active backplane operations?\u003c\/p\u003e\n\u003cp\u003eA: The hardware supports specific slot-level removal under power, provided all active communication tasks are suspended through system maintenance software prior to extraction to prevent backplane bus interruption.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eChassis Mounting: Insert the module directly into designated slots of compatible base units, including ANB10 or ANB11 I\/O nodes. Ensure the upper and lower mechanical latches lock securely to maintain backplane connection integrity.\u003c\/li\u003e\n\u003cli\u003eCabling Constraints: Interconnect external hardware using approved AKB131, AKB132, AKB133, or AKB134 cables. Restrict total copper cable runs to less than 15 m to maintain proper signal-to-noise thresholds.\u003c\/li\u003e\n\u003cli\u003eGrounding Integrity: Securely fix the metal hoods of the D-sub 9-pin cabling to structural enclosure grounds. Shielding ground loops must be isolated to prevent common-mode electrical noise from injecting distortion into serial character frames.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43767818092634,"sku":"ALR111-S51","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/362._043fe60c-c1f9-4e88-93eb-89c359d74f9f.jpg?v=1785464120","url":"https:\/\/www.spareoil.com\/ar\/products\/yokogawa-alr111-s51-centum-vp-serial-rs-232c-module","provider":"SpareOil Automation","version":"1.0","type":"link"}