{"product_id":"honeywell-pba455971-002-cpu-control-board","title":"Honeywell PBA455971-002 CPU\/Control Board","description":"\u003cdiv class=\"qk-md-paragraph qk-md-has-multi-modal\"\u003e\n\u003cp\u003eConfigured for central logic execution and host communication in Honeywell automation platforms, the \u003cstrong\u003eHoneywell PBA455971-002\u003c\/strong\u003e (\u003cstrong\u003ePBA455971-002\u003c\/strong\u003e CPU\/Control Board) provides direct physical\/electrical execution.\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\u003ePBA455971-002\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\u003eStandard Industrial Automation Specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.73 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Intel Multibus form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial baseline (0 to 60 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePowered via Intel Multibus backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003eControls \u0026amp; Indicators \/ CPU\/Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eIntel Multibus PC\/AT LAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Connectivity \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eWithin legacy Honeywell DCS architectures, main controller boards manage high-speed data flow across the backplane and remote terminal networks. The processing unit utilizes dedicated channel-to-channel isolation circuits across its PC\/AT LAN interface to prevent common-mode voltage spikes and electrical noise from entering the main processing core. This galvanic separation protects central memory and logic registers during transient field events, ensuring deterministic task processing and continuous communication across connected Multibus nodes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the PBA455971-002 support hot-swapping while the Multibus rack is powered?\u003c\/p\u003e\n\u003cp\u003eA: No, inserting or extracting the CPU board while the backplane is energized can cause logic corruptions, severe arc damage to connector pins, and system bus halts. Power down the chassis prior to board replacement.\u003c\/p\u003e\n\u003cp\u003eQ: How is field grounding handled on the onboard PC\/AT LAN port?\u003c\/p\u003e\n\u003cp\u003eA: Communication cabling shielding must be terminated at a single panel earth point to prevent ground loop currents from injecting noise into the LAN controller interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD \u0026amp; Handling Precautions:\u003c\/strong\u003e Standard electrostatic discharge safety protocols must be followed during installation. Handle the card strictly by its edge guides and wear a grounded wrist strap to prevent static damage to CMOS components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Mounting:\u003c\/strong\u003e Insert the module firmly into its designated slot in the Intel Multibus chassis. Secure the card edge retention latches or faceplate thumbscrews to ensure full backplane pin engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Ensure panel cooling systems maintain cabinet temperatures within the standard 0 to 60 deg C operating range. Do not block the vertical airflow channels across the circuit board components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52597055127832,"sku":"PBA455971-002","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/PBA455971-002_941e1b64-d098-4dd9-8ddd-bc3f598fb44c.png?v=1788250105","url":"https:\/\/www.innoplcsync.com\/products\/honeywell-pba455971-002-cpu-control-board","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}