{"product_id":"alerton-vlc-550-visuallogic-bacnet-hvac-field-controller-for-terminal-unit-control","title":"Alerton VLC-550 VisualLogic BACnet HVAC Field Controller for Terminal Unit Control","description":"\u003ch4\u003eDescription\u003cstrong\u003e \u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Alerton VLC-550 is a VisualLogic unitary field controller engineered for precise HVAC control in commercial and industrial systems. Its BACnet-compliant architecture and advanced processing capabilities support efficient operation of heat pumps, AC units and terminal-unit applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 333.2px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eAlerton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eVLC-550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eHVAC Control System Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003e5 configurable inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003e5 binary\/analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eBACnet MS\/TP up to 76.8 Kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eProgramming\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eVisualLogic graphical environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eNonvolatile flash memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eLogic Loop Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003e100 msec internal loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 39.2px;\"\u003e\u003cstrong\u003eAnalog Input Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 39.2px;\"\u003e10-bit adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eSensor Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eMicroset and Microset II wall sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eOutput LEDs and MS\/TP activity LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eOperation Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003eNetworked or stand-alone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 28.953%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.7323%; height: 19.6px;\"\u003e0.4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About VLC-550\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe VLC-550 is a high-performance BACnet MS\/TP controller that integrates directly into building automation networks while also supporting stand-alone operation. It features VisualLogic graphical programming with nonvolatile flash memory storage, allowing custom control logic and reliable long-term performance. The controller supports Alerton Microset and Microset II sensors for local interface functions, including setpoint adjustment, diagnostics and equipment configuration. With 5 inputs, 5 outputs, high-speed 100 msec logic loops, adjustable 10-bit analog inputs, LED status indicators and robust communication at up to 76.8 Kbps, the VLC-550 provides dependable HVAC control in a wide range of terminal-unit environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBACnet MS\/TP Compliance: Communicates on BACnet networks at speeds up to 76.8 Kbps for seamless BAS integration.\u003c\/li\u003e\n\u003cli\u003eVisualLogic Programming: Supports graphical logic development with nonvolatile flash memory backup.\u003c\/li\u003e\n\u003cli\u003e5 Inputs \/ 5 Outputs: Provides flexible configuration for heat pumps, AC units and terminal-unit equipment.\u003c\/li\u003e\n\u003cli\u003eHigh-Speed Logic Loop: Executes internal control loops at 100 msec for responsive HVAC operation.\u003c\/li\u003e\n\u003cli\u003eAdjustable 10-Bit Analog Inputs: Configurable for thermistor, dry contact, 0–5 VDC or 4–20 mA signals.\u003c\/li\u003e\n\u003cli\u003eLED Status Indication: Includes per-output ON\/OFF LEDs plus a communication-activity LED for diagnostics.\u003c\/li\u003e\n\u003cli\u003eMicroset Sensor Support: Works with Microset and Microset II intelligent sensors for user interaction and setup.\u003c\/li\u003e\n\u003cli\u003eStand-Alone or Networked Operation: Functions independently or as part of a BACnet-managed automation system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe VLC-550 delivers the reliability and precision required for advanced HVAC terminal-unit control in building automation networks.\u003c\/p\u003e","brand":"Alerton","offers":[{"title":"Default Title","offer_id":47348437156138,"sku":"VLC-550","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/VLC-550.webp?v=1705329851","url":"https:\/\/iqelectro.com\/products\/alerton-vlc-550-visuallogic-bacnet-hvac-field-controller-for-terminal-unit-control","provider":"IQElectro","version":"1.0","type":"link"}