{"product_id":"honeywell-alerton-pul6438s-bactalk-programmable-unitary-controller-bacnet-ms-tp","title":"Honeywell Alerton PUL6438S BACtalk Programmable Unitary Controller BACnet MS\/TP","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Honeywell (Alerton) PUL6438S is a versatile, native BACnet Programmable Unitary Controller (PUL) designed to govern complex HVAC terminal equipment, including heat pumps, fan coil units, and small air handlers. Operating on a high-speed MS\/TP network, this robust DDC module processes raw environmental data through customized logic algorithms to precisely coordinate multi-stage heating and cooling operations. By actively managing connected sensors and electromechanical relays, the controller maintains strict indoor climate standards and optimizes energy consumption across large commercial facilities.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable height=\"272\" style=\"width: 86.3207%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eCondition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eNew\/Never Used Surplus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eHoneywell (Alerton)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eCategory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eBuilding Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003ePart Number\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003ePUL6438S\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eSubcategory\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eProgrammable Controllers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eProduct Series\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eBACtalk\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eProtocol Support\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eBACnet MS\/TP (B-AAC Profile)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eSystem Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eHeat Pumps, Fan Coils, Small AHUs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eProgramming Environment\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003eVisualLogic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eMounting Style\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003ePanel \/ DIN Rail Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.385%;\"\u003e\u003cspan\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3191%;\"\u003e\u003cspan\u003e1.1 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan\u003ePUL6438S\u003c\/span\u003e\u003cspanmarket data-sheets-root=\"1\"\u003eBCM-MS\/TP\u003c\/spanmarket\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe PUL6438S is an essential automation node within the Honeywell-backed Alerton BACtalk ecosystem, acting as a BTL-listed B-AAC device. It features a comprehensive array of onboard I\/O points—including universal inputs, binary outputs, and analog outputs—making it highly adaptable to a vast array of unique mechanical configurations. Building engineers leverage this controller's seamless integration with Honeywell Alerton Microset intelligent wall sensors to provide building occupants with intuitive, localized temperature control. The module is housed in a durable, compact chassis that mounts easily within standard electrical enclosures or directly onto unitary HVAC equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003e● Versatile I\/O Configuration: Provides a flexible mix of universal inputs and digital\/analog outputs, accommodating a wide variety of field sensors, valves, and motor relays.\u003c\/p\u003e\n\u003cp\u003e● BACnet MS\/TP Communication: Operates as a native BACnet Advanced Application Controller (B-AAC), guaranteeing flawless data transmission and third-party network integration.\u003c\/p\u003e\n\u003cp\u003e● Microset Sensor Integration: Interfaces perfectly with Alerton Microset wall units, allowing for precise localized setpoint adjustments, fan speed control, and space temperature monitoring.\u003c\/p\u003e\n\u003cp\u003e● Custom DDC Programmability: Supports deep graphical programming via VisualLogic, empowering integrators to write highly specific, energy-saving control sequences.\u003c\/p\u003e\n\u003cp\u003e● Direct Equipment Mounting: Designed with a compact, rugged housing that facilitates quick and secure installation directly onto terminal units or inside tight mechanical panels.\u003c\/p\u003e\n\u003cp\u003e● Standalone Resilience: Executes programmed environmental logic autonomously, ensuring critical HVAC equipment continues to operate safely during supervisory network disruptions.\u003c\/p\u003e\n\u003cp\u003eThe PUL6438S delivers the computational flexibility and dependable BACnet connectivity required to standardize unitary equipment control across expansive building automation grids.\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52663932518698,"sku":"PUL6438S","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1200_19dcc3d4-def7-44f4-9a98-87b1c41a3b21.jpg?v=1789740115","url":"https:\/\/iqelectro.com\/products\/honeywell-alerton-pul6438s-bactalk-programmable-unitary-controller-bacnet-ms-tp","provider":"IQElectro","version":"1.0","type":"link"}