{"product_id":"alr111-s01-yokogawa-alr111-rs-232c-communication-module","title":"ALR111-S01 Yokogawa ALR111 RS-232C Communication Module","description":"\u003ch3\u003e\u003cstrong\u003eIndustrial Communication Solution Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eALR111-S01\u003c\/span\u003e\u003c\/strong\u003e is a high-reliability serial communication module developed by \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eYokogawa\u003c\/span\u003e\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe module supports stable RS-232C communication in industrial control systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eALR111-S01\u003c\/span\u003e\u003c\/strong\u003e integrates seamlessly with Yokogawa SCS architectures.\u003c\/p\u003e\n\n\u003cp\u003eThe design focuses on communication stability, subsystem integration, and Modbus slave connectivity.\u003c\/p\u003e\n\n\u003cp\u003eEngineers commonly deploy this module in distributed control and process automation environments.\u003c\/p\u003e\n\n\u003cp\u003eThe ISA Standard G3 coating improves durability in corrosive industrial atmospheres.\u003c\/p\u003e\n\n\u003cp\u003eThis module supports point-to-point half-duplex communication with binary transmission coding.\u003c\/p\u003e\n\n\u003cp\u003eThe dual-port structure simplifies subsystem communication deployment.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eYokogawa ALR111 Series\u003c\/span\u003e\u003c\/strong\u003e modules are widely used in process-critical automation systems.\u003c\/p\u003e\n\n\u003cp\u003eThe module performs reliably in high-noise industrial environments.\u003c\/p\u003e\n\n\u003cp\u003eIts Modbus communication capability supports stable third-party device integration.\u003c\/p\u003e\n\n\u003cp\u003eMany engineers choose this model for long-term communication stability and maintenance convenience.\u003c\/p\u003e\n\n\u003cp\u003eThe ISA G3 specification improves operational reliability in chemical and offshore environments.\u003c\/p\u003e\n\n\u003cp\u003eThis module is suitable for:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDistributed Control Systems (DCS)\u003c\/li\u003e\n\u003cli\u003eProcess automation systems\u003c\/li\u003e\n\u003cli\u003eIndustrial communication gateways\u003c\/li\u003e\n\u003cli\u003eEnergy management systems\u003c\/li\u003e\n\u003cli\u003eSCADA integration architectures\u003c\/li\u003e\n\u003cli\u003eFactory communication networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRecommended application industries include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOil and gas\u003c\/li\u003e\n\u003cli\u003ePetrochemical plants\u003c\/li\u003e\n\u003cli\u003ePower generation\u003c\/li\u003e\n\u003cli\u003eWater treatment\u003c\/li\u003e\n\u003cli\u003ePharmaceutical manufacturing\u003c\/li\u003e\n\u003cli\u003eHeavy industrial automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDiagnostic capabilities include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCommunication fault monitoring\u003c\/li\u003e\n\u003cli\u003eSerial transmission verification\u003c\/li\u003e\n\u003cli\u003eSubsystem connection diagnostics\u003c\/li\u003e\n\u003cli\u003eModbus communication status analysis\u003c\/li\u003e\n\u003cli\u003eIndustrial network troubleshooting support\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eModule Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eYokogawa\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eALR111-S01\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eALR111 Serial Communication Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-232C\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePoint-to-point\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHalf-duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSynchronization Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStart-stop synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBinary\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharacter Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStop Bit Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 \/ 2 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParity Check\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone \/ Even \/ Odd\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaximum 15 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 ms after data transmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Speeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200 \/ 2400 \/ 4800 \/ 9600 \/ 19200 \/ 38400 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD-sub 9-pin female × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eModbus slave and subsystem communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Protection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISA Standard G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Platforms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSC60 \/ SSC50 \/ SSC57 \/ SSC10 \/ SNB10D\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Wiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAKB131 \/ AKB132 \/ AKB135 \/ AKB136 cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eConfiguration Breakdown\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eALR111-S01\u003c\/span\u003e\u003c\/strong\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model\u003c\/strong\u003e\n\n\u003cul\u003e\n\u003cli\u003eALR111 = Serial Communication Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSuffix Code Structure\u003c\/strong\u003e\n\n\u003cul\u003e\n\u003cli\u003eS = Standard type\u003c\/li\u003e\n\u003cli\u003e0 = Without explosion protection\u003c\/li\u003e\n\u003cli\u003e1 = ISA Standard G3 protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eEngineering Design Features\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDual-port communication architecture improves subsystem flexibility\u003c\/li\u003e\n\n\u003cli\u003eSupports industrial Modbus slave communication environments\u003c\/li\u003e\n\n\u003cli\u003eMaintains stable binary data transmission performance\u003c\/li\u003e\n\n\u003cli\u003eSupports configurable parity and stop-bit settings\u003c\/li\u003e\n\n\u003cli\u003eDesigned for Yokogawa SCS communication integration\u003c\/li\u003e\n\n\u003cli\u003eISA G3 coating improves resistance to corrosive atmospheres\u003c\/li\u003e\n\n\u003cli\u003eCompact hardware structure simplifies cabinet installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation and System Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMount directly onto SSC60, SSC50, SSC57, SSC10, or SNB10D units\u003c\/li\u003e\n\n\u003cli\u003eSNB10D communicates through the ESB bus structure\u003c\/li\u003e\n\n\u003cli\u003eUse compatible Yokogawa communication cables for stable transmission\u003c\/li\u003e\n\n\u003cli\u003eBoth communication ports must use identical communication functions\u003c\/li\u003e\n\n\u003cli\u003eVerify communication speed consistency before commissioning\u003c\/li\u003e\n\n\u003cli\u003eEnsure proper RS-232C grounding practices during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommunication Engineering Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eMixed communication types cannot operate simultaneously on one module\u003c\/li\u003e\n\n\u003cli\u003eSubsystem communication fixes the character length to 8 bits\u003c\/li\u003e\n\n\u003cli\u003eSubsystem communication fixes the stop bit length to 1 bit\u003c\/li\u003e\n\n\u003cli\u003eCommunication performance depends on wiring quality and grounding conditions\u003c\/li\u003e\n\n\u003cli\u003eTransmission distance should remain within 15 meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackaging Information\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 × \u003cstrong\u003e\u003cspan style=\"color:#c00000;\"\u003eALR111-S01\u003c\/span\u003e\u003c\/strong\u003e communication module\u003c\/li\u003e\n\n\u003cli\u003eProtective industrial packaging\u003c\/li\u003e\n\n\u003cli\u003eProduct identification labeling\u003c\/li\u003e\n\n\u003cli\u003eInspection and handling protection materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping and Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Period:\u003c\/strong\u003e 12 months\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eShipping Methods:\u003c\/strong\u003e FedEx, UPS, DHL\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eDispatch Lead Time:\u003c\/strong\u003e Fast international processing available\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePackaging Method:\u003c\/strong\u003e Industrial-grade anti-static protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eProfessional FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy do both communication ports require identical communication functions?\u003c\/strong\u003e\n\n\u003cp\u003eThe hardware architecture processes one communication protocol type per module.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat installation issue commonly affects RS-232C stability?\u003c\/strong\u003e\n\n\u003cp\u003ePoor grounding often introduces communication noise and intermittent faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHow should engineers select the correct communication speed?\u003c\/strong\u003e\n\n\u003cp\u003eMatch the baud rate with the connected subsystem specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat advantage does ISA Standard G3 provide?\u003c\/strong\u003e\n\n\u003cp\u003eIt improves reliability in corrosive industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhich application environments benefit most from this module?\u003c\/strong\u003e\n\n\u003cp\u003eProcess automation systems requiring stable serial communication integration.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat practical issue appears during long-term subsystem operation?\u003c\/strong\u003e\n\n\u003cp\u003eImproper cable shielding may increase communication retries and signal instability.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHow can users reduce communication interruptions?\u003c\/strong\u003e\n\n\u003cp\u003eUse high-quality shielded cables and stable grounding practices.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat should buyers confirm before ordering?\u003c\/strong\u003e\n\n\u003cp\u003eVerify compatibility with the installed Yokogawa SSC platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhy is half-duplex communication useful in industrial systems?\u003c\/strong\u003e\n\n\u003cp\u003eIt reduces wiring complexity and supports reliable serial data exchange.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWhat maintenance practice improves communication reliability?\u003c\/strong\u003e\n\n\u003cp\u003eRegularly inspect D-sub connectors for oxidation and loose connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default 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