{"product_id":"emerson-396657-01-0-controlwave-cpu-module-1","title":"Emerson 396657-01-0 ControlWave CPU Module","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson 396657-01-0\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e396657-01-0\u003c\/strong\u003e CPU Module, operates as a dedicated hardware component for process execution and system logic management within ControlWave controller platforms. Configured for high-reliability industrial environments, the \u003cstrong\u003eEmerson 396657-01-0\u003c\/strong\u003e (\u003cstrong\u003e396657-01-0\u003c\/strong\u003e CPU Module) provides direct physical execution of control algorithms and I\/O communication via an integrated processor architecture.\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\u003e396657-01-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.09 kg (0.20 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact system-specific rack-mount geometry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial ambient range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12-24 VDC supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCPU Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic Security\u003c\/td\u003e\n\u003ctd\u003eIntegrated Lock Key\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Processing Metrics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity:\u003c\/strong\u003e The processor manages deterministic high-speed polling of the system backplane, ensuring synchronized data exchange across distributed I\/O modules. The internal architecture is optimized for the low-latency execution of complex ladder logic and continuous process control loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e The module supports field-level firmware deployment through the system communication interfaces. This compatibility allows for the implementation of security updates and control logic enhancements without necessitating hardware removal, provided the hardware revision remains consistent with the target firmware build.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the function of the included Lock Key?\u003c\/p\u003e\n\u003cp\u003eA: The Lock Key is a physical security feature designed to prevent unauthorized configuration changes. It allows users to toggle the module between \"Run\" and \"Program\" modes, protecting the integrity of the running control application by restricting write access to the memory blocks.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module compatible with both 12 VDC and 24 VDC power architectures?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The power input stage is designed for flexible operation within the 12-24 VDC range. It features integrated voltage regulation to maintain consistent internal logic levels despite fluctuations in the external power supply typical of industrial control cabinets.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Insertion:\u003c\/strong\u003e Ensure the module is properly indexed with the rack guide rails before applying insertion force. Verify that the rear-mounted connector is fully engaged, as intermittent contact can lead to CPU brownouts or watchdog timer resets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding and EMI:\u003c\/strong\u003e Despite the low-voltage power requirement, the CPU is sensitive to high-frequency transients. Ensure the chassis is bonded to a common earth ground using a low-impedance copper strap to mitigate the risk of surge-induced processing errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey Management:\u003c\/strong\u003e Maintain strict control over the Lock Key. Ensure the key is removed and stored securely when the controller is in \"Run\" mode to prevent accidental switching to \"Program\" mode during routine maintenance or cabinet inspections.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45149638328435,"sku":"396657-01-0","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-07-03_10-57-59_204d7769-2695-40ad-8c35-a697915ad41f.png?v=1783050034","url":"https:\/\/www.dcssupplier.com\/products\/emerson-396657-01-0-controlwave-cpu-module-1","provider":"DcsSupplier Limited","version":"1.0","type":"link"}