Honeywell CPB-001 Control Processor Backplane

Overview

The CPB-001 from Honeywell is a Control Processor Backplane engineered for FSC and QMR fault-tolerant safety systems. This backplane forms the physical and electrical foundation of the control rack, enabling secure interconnection between processor modules, I/O cards, and system communication buses.

Designed for continuous operation in safety-critical environments, the CPB-001 family emphasizes deterministic communication, stable power routing, and mechanical robustness required by modern safety-instrumented systems.

Core Functionality

The FS-CPB-0001 backplane acts as the central interconnect within FSC/QMR architectures. It routes power and signals to all installed modules while maintaining reliable RS-485 communication across the rack. Its design supports modular expansion without compromising signal integrity or system availability.

Technical Specifications

General

• Manufacturer: Honeywell

• Model Series: CPB-001

• Part Number: FS-CPB-0001

• Product Category: Control Processor Backplane

• Origin: USA

• Typical Warranty: 12 Months

Electrical Characteristics

• Input Supply Voltage: 120 VAC

• Maximum Load Current: Up to 5 A

• Communication Bus: RS-485 (multi-drop, noise-resistant)

• Power Distribution: Integrated backplane power rails for processor and I/O modules

Mechanical Characteristics

• Slot / Connector Capacity: Up to 16 module connectors

• Chassis Material: Industrial-grade aluminum alloy

• Mounting Style: Rack-mounted backplane

• Dimensions: 170 × 100 × 30 mm

• Weight: 0.5 kg

Environmental Ratings

• Operating Temperature Range: –40 °C to +85 °C

• Designed for high-vibration and electrically noisy industrial locations

System Compatibility

The FS-CPB-0001 is intended for use in Honeywell FSC and Quad Modular Redundant safety controller racks. It supports redundant processor configurations and is compatible with safety-rated I/O and communication modules commonly deployed in SIL-certified systems.

Typical Applications

• Safety Instrumented Systems (SIS)

• Emergency Shutdown (ESD) platforms

• Burner Management Systems (BMS)

• High-availability process control architectures

• Oil & gas, petrochemical, refining, and power generation facilities

FAQ

What is the difference between CPB-001 and FS-CPB-0001?
CPB-001 refers to the backplane family, while FS-CPB-0001 is the standardized Honeywell part number used in FSC safety systems. Functionally, they represent the same control processor backplane design.

Does the backplane include active electronics?
No. The backplane is a passive assembly responsible for power and signal routing. All processing and logic functions reside on the installed modules.

Can this backplane support redundant processors?
Yes. The design supports redundant and fault-tolerant processor configurations typical of FSC/QMR systems.