{"product_id":"honeywell-900c70-0460-00-controledge-hc900-c70-cpu-controller-module","title":"Honeywell 900C70-0460-00 ControlEdge HC900 C70 CPU Controller Module","description":"\u003cp\u003eConfigured for high-speed sequence logic execution and continuous loop control in ControlEdge HC900 architectures, the \u003cstrong\u003eHoneywell 900C70-0460-00\u003c\/strong\u003e (\u003cstrong\u003e900C70\u003c\/strong\u003e Controller CPU Module) provides direct physical\/electrical execution. This modular central processing unit executes real-time control algorithms, managing analog and digital signal processing across millivolt, voltage, current, thermocouple, and RTD inputs. The processor routes system telemetry and deterministic operational states via integrated Ethernet and RS485 communication channels.\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\u003e900C70-0460-00\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e9.5 x 5.7 x 2.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-25 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 24 VDC rack power bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Architecture\u003c\/td\u003e\n\u003ctd\u003eDual-core 64-bit architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Performance\u003c\/td\u003e\n\u003ctd\u003e5 Mbps token bus access control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Signal Types\u003c\/td\u003e\n\u003ctd\u003eThermocouples, RTDs, Voltage, Millivoltage, Current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Connectivity\u003c\/td\u003e\n\u003ctd\u003eEthernet (Modbus TCP), RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eModular rack-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 900C70-0460-00\u003c\/strong\u003e CPU orchestrates analog process variable acquisition by enforcing internal signal integrity across the backplane bus. The controller interfaces with remote transmitter loops executing 4-20 mA HART loop protocol passes, standardizing high-density current loops alongside millivolt-level temperature signals. Integrated galvanic channel-to-channel isolation safeguards the dual-core processor from field-side ground loops and transient voltage spikes, preventing logic degradation during multi-channel process variable updates.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 900C70-0460-00 controller module be extracted or inserted while the system rack power is active?\u003c\/p\u003e\n\u003cp\u003eA: Extraction or insertion under power must strictly adhere to HC900 rack maintenance rules. CPU modules must be properly shut down or switched to stop mode prior to removal to avoid backplane communication corruption and potential transient hardware damage.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 900C70-0460-00 handle lost Ethernet communications during active control loops?\u003c\/p\u003e\n\u003cp\u003eA: The dual-core execution engine maintains standalone deterministic loop and logic execution via its local backplane. Network interface dropouts isolate Modbus TCP telemetry while local I\/O processing continues according to programmed fail-safe parameters.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the controller module into the designated CPU slot of the ControlEdge HC900 rack chassis, ensuring backplane connectors align perfectly before applying force.\u003c\/li\u003e\n\u003cli\u003eRoute all 24 VDC input power wiring through approved conduit, keeping low-voltage power conductors separate from high-voltage AC field lines to suppress inductive coupling.\u003c\/li\u003e\n\u003cli\u003eMaintain an operating temperature range of -25 to +60 deg C inside the enclosure, ensuring adequate vertical convection clearance above and below the rack assembly.\u003c\/li\u003e\n\u003cli\u003eGround the rack chassis to protective earth via a low-impedance conductor to ensure full effectiveness of the module's transient suppression circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53531493531957,"sku":"900C70-0460-00","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/900C70-0460-00.png?v=1789093704","url":"https:\/\/www.5gplc.com\/products\/honeywell-900c70-0460-00-controledge-hc900-c70-cpu-controller-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}