{"product_id":"honeywell-51452822-002-dcs-control-board-relay-assembly","title":"Honeywell 51452822-002 DCS Control Board Relay Assembly","description":"\u003ch2\u003eHoneywell 51452822-002 Control Board\u003c\/h2\u003e\n\u003cp\u003eConfigured for power and relay control tasks in DCS environments, the \u003cstrong\u003eHoneywell 51452822-002\u003c\/strong\u003e (\u003cstrong\u003e51452822-002\u003c\/strong\u003e Control Board) provides direct physical\/electrical execution. The printed wiring assembly executes communication cycles via the passive system backplane to relay discrete signals between central controllers and peripheral subsystems. Integrated electromagnetic suppression circuitry attenuates high-frequency industrial noise to maintain data integrity across the physical layer.\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\u003e51452822-002\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\u003eFactory standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.00 lbs (0.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e160 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3-5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003ePower and relay control board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eEmbedded logic for signal processing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Interface\u003c\/td\u003e\n\u003ctd\u003eBackplane connection (Experion PKS, TPS, TDC 3000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC supplied from system chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Safeguards\u003c\/td\u003e\n\u003ctd\u003eOver-voltage, short-circuit, reverse polarity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eOn-board LEDs for module health and activity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThe module implements 4-20 mA HART loop protocol routing and stable bus termination across the backplane interface to eliminate potential channel-to-channel isolation faults. Embedded logic tracks execution status and driving voltages, reporting failures back to the controller via dedicated diagnostic bits. On-board light-emitting diodes provide immediate real-time visual status of the active internal relays, power compliance, and hardware exceptions, blocking erroneous control signals before they reach down-loop actuators.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific hardware protections are integrated into the power rail inputs?\u003c\/p\u003e\n\u003cp\u003eA: The module is engineered with integrated over-voltage clamping diodes, short-circuit current limiting resistors, and reverse-polarity protection blocks to safeguard the assembly against chassis wiring faults.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module indicate internal health status directly on the hardware?\u003c\/p\u003e\n\u003cp\u003eA: The assembly is populated with discrete on-board LEDs that change state to denote health status, power validation, and physical relay actuation loops.\u003c\/p\u003e\n\u003cp\u003eQ: What is the typical deterministic switching delay introduced by the internal logic components?\u003c\/p\u003e\n\u003cp\u003eA: Signal routing and logic transitions operate within low microsecond tolerances, though total network switching loop times remain dependent on the host backplane scan rate configuration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate the host chassis 24 VDC power supply before inserting or extracting the board assembly to protect internal semiconductor nodes from voltage transients.\u003c\/li\u003e\n\u003cli\u003eEnsure the backplane edge connector pins are free from debris and aligned vertically before applying final seating pressure.\u003c\/li\u003e\n\u003cli\u003eSecure the faceplate retaining fasteners to maintain solid structural bonding against high-frequency industrial plant vibration vectors.\u003c\/li\u003e\n\u003cli\u003eRoute field relay cabling away from high-power motor control leads to preserve the structural effectiveness of the on-board EMC suppression loop.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":43866379518051,"sku":"51452822-002","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/231_cd87dcb7-377a-493a-b007-1edc0225819e.jpg?v=1764655412","url":"https:\/\/www.autocontrolglobal.com\/products\/honeywell-51452822-002-dcs-control-board-relay-assembly","provider":"AutoControl Global","version":"1.0","type":"link"}