{"product_id":"honeywell-spyder-21-io-pul6438sr-u","title":"Honeywell Spyder, 21 IO - PUL6438SR\/U","description":"\u003cp\u003eThe Honeywell Spyder 21 IO controller is a programmable stand-alone unit designed for advanced industrial use. It offers 6 user interfaces, 4 digital inputs, 3 analog outputs, and 8 digital outputs, incorporating key features such as a real-time clock and Sylk Bus for integration with Sylk-enabled sensors. It uses the Echelon LonWorks network protocol for optimal communication and can engage in both standalone operations and complex LonWorks bus network communications.\u003c\/p\u003e\n\n\u003cp\u003eThis model includes comprehensive zone control functions, among which you find a remote wall module interface and a scheduler. Some variants of this product also come equipped with a microbridge air flow sensor with a dual integral restrictor design. Actuator features for this model mount directly onto the VAV box damper shaft, delivering up to 44 lb-in torque, 90-degree stroke, and a 90 second timing at 60 Hz.\u003c\/p\u003e\n\n\u003cp\u003eAll connections are wired to removable terminal blocks, simplifying both the installation and replacement processes. For top-line durability and safety, both the controller housing and the actuator carry a UL plenum rating.\u003c\/p\u003e\n\n\u003cp\u003eThe device incorporates a high-speed, free topology transceiver that supports a 78-kilobit communications network. The system can be configured to host up to 106 controllers per Q7751A,B router when set as a repeater. The Spyder controller is fully field-configurable and programmable for control, input, and output functions using NIAGARA FRAMEWORK software. In addition to user-defined network variables and a function block engine for customizable HVAC applications, it supports significant event notifications, periodic updates, and failure detection capabilities.\u003c\/p\u003e\n\n\u003cp\u003eThis controller runs on 24 VAC power, with a valid voltage range from 20 to 30 VAC, and can withstand an operating temperature from -40 F to 150 F. The Spyder 21 IO is UL\/cUL listed (E87741) under UL916 (standard for open energy management equipment) to meet FCC Part 15, Subpart B, Class B requirements for radiated emissions. Designed for DIN rail mounting, it fits applications facing fan coils, heat pumps, and unit heaters.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"New and Refurbished","offer_id":46474903486700,"sku":"PUL6438SR\/U","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/1112\/6600\/files\/honeywell-spyder-21-io-pul6438sr-u-new-and-refurbished-717.jpg?v=1786155369","url":"https:\/\/www.industrialautomationco.com\/products\/honeywell-spyder-21-io-pul6438sr-u","provider":"Industrial Automation Co.","version":"1.0","type":"link"}