{"product_id":"honeywell-tdcs3000lcn-building-automation-series","title":"Honeywell TDCS3000LCN Building Automation Series","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell TDCS3000LCN\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTDCS3000LCN\u003c\/strong\u003e Programmable Controller Module, serves as the primary \u003cstrong\u003eTDCS3000LCN\u003c\/strong\u003e programmable controller utilized to execute automated logic sequences and system-wide device routing across Total Digital Control System 3000 platforms. This 32-bit computing module operates as an intelligent processor block that monitors environmental parameters and modulates mechanical plant equipment via localized network buses.\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\u003eTDCS3000LCN\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003e32-bit RISC central processing engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Allocation\u003c\/td\u003e\n\u003ctd\u003e2 MB RAM \/ 4 MB flash memory bank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\/Output Capacity\u003c\/td\u003e\n\u003ctd\u003eExpansion scaling up to 256 physical I\/O points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal operating potential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eMulti-port configuration: RS-232, RS-485, and Ethernet networks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eProgrammable Controller Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Architecture\u003c\/td\u003e\n\u003ctd\u003eHoneywell Total Digital Control System (TDCS) 3000 \/ Local Control Network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Metrics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation and Node Arbitration:\u003c\/strong\u003e The hardware layout isolates local serial transceivers and Ethernet physical layers from internal processor logic buses. By maintaining dedicated electrical boundaries across the 256 physical I\/O scaling matrix, the module achieves channel-to-channel isolation parameters that suppress common-mode grounding noise, preventing inductive switching voltage transients from altering volatile RAM data registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol and HVAC Field Integration:\u003c\/strong\u003e The controller interfaces with loop-powered instrumentation networks managing plant chillers, boilers, and modulation valves. The internal multi-protocol stack routes linear variables while ensuring adjacent data traces are shielded to prevent high-frequency digital clock harmonics from distorting parallel 4-20 mA HART loop protocol signaling tracks passing through the same terminal trays.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal memory architecture protect the control program during a 24 VDC power failure?\u003c\/p\u003e\n\u003cp\u003eA: The TDCS3000LCN utilizes non-volatile flash memory to retain its primary operating firmware and compiled HVAC control algorithms. If a primary 24 VDC power loss occurs, active variable registers inside the volatile 2 MB RAM are halted, while the master configuration parameters remain locked inside the 4 MB flash memory bank for immediate cold-start recovery.\u003c\/p\u003e\n\u003cp\u003eQ: What are the communication line distance limits when deploying the RS-485 serial interface?\u003c\/p\u003e\n\u003cp\u003eA: The onboard RS-485 transceiver supports balanced differential line lengths up to 1200 meters (approximately 4000 feet) without external repeaters. Operating at maximum distance boundaries requires a shielded twisted-pair conductor arrangement with proper 120-ohm termination resistors connected across the line ends to suppress signal reflections.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Layout Alignment, Clearance Constraints, and Mechanical Seating:\u003c\/strong\u003e Insert the controller card squarely into its assigned slot on the system baseplate tracking frame, checking that the rear multi-pin pin array aligns cleanly with the backplane connectors. Fasten the faceplate retention screws to ground the frame to the rack, keeping a clear 50 mm convective ventilation boundary above and below the module to maintain natural air cooling paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation, Wireway Constraints, and Shield Grounding:\u003c\/strong\u003e Route all low-voltage sensor signaling paths, serial links, and Ethernet loops inside low-voltage wireways separate from high-current AC mains paths, pump starters, or fan contactor cables. Terminate all network cable shield braids straight to the cabinet's centralized copper earth bus bar to ground stray high-frequency electromagnetic noise fields away from the processor logic.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":47904004079806,"sku":"TDCS3000LCN","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-07-02_09-57-14_9f9305a3-d9b5-4f5e-8fe9-c14b67e4ebea.png?v=1782960705","url":"https:\/\/www.autooiltech.com\/es\/products\/honeywell-tdcs3000lcn-building-automation-series","provider":"AutoOilTech Limited","version":"1.0","type":"link"}