Technical Specifications Part Type: Back‑Plane Bus Connector Assembly Application Object: Foxboro I/A Series DCS rack and FBM baseplate Contact Material: Gold‑plated contact pins for stable signal transmission Operating Temperature: 0 °C to +60 °C Storage Temperature: −40 °C to +85 °C Relative Humidity: 5%‑95%, non‑condensing Certifications: Conforms to Foxboro original‑equipment component specification
Functional Features Provides high‑reliability electrical interconnection for back‑plane power supply and fieldbus‑signal transmission. Gold‑plated contact surface reduces contact resistance and resists oxidation under long‑term cabinet‑operation environment. Direct‑replacement spare‑part for damaged original‑connector during rack‑maintenance. Meets mechanical‑insertion‑withdrawal cycle specification for module hot‑swap operation.
Application Scenarios Used as maintenance spare‑part for Foxboro DCS control‑cabinet racks and FBM baseplates in petrochemical, chemical and power‑plant projects. Applied for replacement of aged or damaged back‑plane bus‑connector components.
Structural Characteristics Precision‑molded insulating plastic housing with arranged gold‑plated contact pin array. Mechanical‑positioning structure matches original rack‑baseplate mounting dimension. Designed for fixed installation on DCS rack or FBM baseplate back‑side position.
Working Principle After G448‑0002 is installed on rack baseplate, when FBM module or controller is inserted into slot, module bottom gold‑plated connector engages with this back‑plane assembly. It establishes physical electrical‑connection for 24 VDC power‑supply and HDLC fieldbus‑signal between baseplate and inserted module hardware.
Installation Requirements Cut off whole‑rack power‑supply before replacing back‑plane connector assembly. Disassemble relevant baseplate component according to official maintenance procedure. Install G448‑0002 assembly in original position and fix mechanical fasteners. Verify connector pin‑position alignment, reassemble baseplate and insert modules. Carry‑out power‑on test and fieldbus‑communication check after installation completion.
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