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Performance Heavy-Duty Vehicle Accessory RH926JM - Professional Grade

The Foxboro RH926JM is an 8-slot vertical modular baseplate designed for the I/A Series DCS system. It provides a passive, high-reliability backplane for installing 200-series FBM I/O modules (or CP-type modules like FCP280). Featuring dual redundant 24 VDC power inputs, dual Fieldbus (A/B) interfaces, and a TimeStrobe synchronization port, it supports high-availability control systems in harsh industrial environments.

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Technical Parameters Part Number: RH926JM Internal Code: IMP4721278 Type: 8-slot vertical modular baseplate (passive backplane) Slot Capacity: 8 vertical positions for FBM 200-series or FCP280/FDC280 modules Power Input: Dual redundant 24 V DC (primary + secondary) Fieldbus: Dual (A/B) redundant Fieldbus interfaces 2 Mbps (standard modules) / 268 kbps (100-series FBMs) Synchronization: TimeStrobe (time strobe) port for system-wide clock sync Configuration: Module ID DIP switch; keyed slots for module type Mounting: 35 mm DIN rail (vertical orientation) Housing: Cast aluminum (corrosion-resistant, ISA G3 rated) Weight: 3.0 kg Environmental: Operating Temp: -20°C to +70°C Storage Temp: -40°C to +85°C Humidity: 5–95% RH (non-condensing) Harsh Environment: ISA G3 (chemical, high dust, EMI) Certifications: CE, UL/cUL, RoHS, ATEX Applications: High-density I/O racks for oil & gas, refining, chemical, power Redundant control systems with FCP280 processors Space-saving vertical cabinet layouts