{"product_id":"pub6438sr-chn-honeywell-spyder-programmable-controller","title":"PUB6438SR-CHN Honeywell Spyder Programmable Controller","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell PUB6438SR-CHN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePUB6438SR\u003c\/strong\u003e Programmable Controller, operates as a dedicated hardware component for HVAC signal conditioning and loop processing within BACnet MS\/TP networks.\u003c\/p\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\u003ePUB6438SR-CHN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA \/ As specified on hardware label\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e138 mm x 174 mm x 57.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +65.5 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 VAC nominal power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eHigh-performance microprocessor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003eFlash memory for program storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocol\u003c\/td\u003e\n\u003ctd\u003eBACnet MS\/TP over EIA-485 (RS-485)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal Inputs (UI)\u003c\/td\u003e\n\u003ctd\u003e6 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs (DI)\u003c\/td\u003e\n\u003ctd\u003e4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs (AO)\u003c\/td\u003e\n\u003ctd\u003e3 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Outputs (DO)\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFOUNDATION Fieldbus \/ Profibus PA Connectivity and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe PUB6438SR-CHN manages local loop processing via an onboard microprocessor and Flash memory array while routing telemetry over EIA-485 BACnet MS\/TP communication channels. Built-in signal routing circuitry delivers robust channel-to-channel isolation across all 6 Universal Inputs, 4 Digital Inputs, 3 Analog Outputs, and 8 Digital Outputs. This isolation prevents ground noise coupling and common-mode current loops when bridging low-voltage temperature sensors or modulating actuators to central building automation networks and high-level fieldbus gateways.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What communication protocol physical layer does the PUB6438SR-CHN use for network integration?\u003c\/p\u003e\n\u003cp\u003eA: The controller utilizes BACnet MS\/TP running over standard EIA-485 (RS-485) differential serial interfaces.\u003c\/p\u003e\n\u003cp\u003eQ: What are the input and output channel counts supported by the PUB6438SR-CHN controller?\u003c\/p\u003e\n\u003cp\u003eA: The board provides 6 Universal Inputs (UI), 4 Digital Inputs (DI), 3 Analog Outputs (AO), and 8 Digital Outputs (DO).\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the PUB6438SR-CHN securely onto a standard DIN rail or panel enclosure frame before making power connections.\u003c\/li\u003e\n\u003cli\u003eWire the main 24 VAC input power through dedicated terminal blocks, verifying correct voltage limits before energizing the circuit.\u003c\/li\u003e\n\u003cli\u003eTerminate all EIA-485 BACnet MS\/TP communication lines using twisted shielded pair wiring, connecting the cable shield to cabinet earth ground at a single point.\u003c\/li\u003e\n\u003cli\u003eSegregate 24 VAC power wiring and relay digital output lines from low-level universal input analog sensor cables to prevent inductive noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53207140303157,"sku":"PUB6438SR-CHN","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/PUB6438SR_c1134240-3c90-48a0-bafe-0cff8a972184.png?v=1784788425","url":"https:\/\/www.5gplc.com\/products\/pub6438sr-chn-honeywell-spyder-programmable-controller","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}