Description The Omron CS1D‑BC042D is a rack-mounted CPU backplane module designed for the high-end CS1D series PLC systems. It provides dual CPU and dual I/O expansion support, enabling hot-swapping and redundant configurations—ideal for critical, continuous-operation industrial applications. Technical Specifications Condition New/Never Used Surplus Brand Omron Category Controls & Indicators Part Number CS1D-BC042D Subcategory CPU/Control Board Current Consumption (5V) 1.20 A Unit Classification CS1 CPU Bus Unit Analog Output Unit - I/O Points 4 Outputs Signal Ranges 1–5 V, 0–5 V, 0–10 V, -10–10 V, 4–20 mA Resolution 1/4000 Conversion Speed 1 s/point Analog Output Unit – 5V Consumption 0.13 A Relay Output Unit Specs 24 VDC, 0.3 A, 64 outputs, Sourcing Cable Type (Controller Link) Optical Ring (GI cable) Controller Link 5V Consumption 0.65 A Controller Link Standards UC1, N, L, CE Controller Link Capacity 4,000 send words (high-speed, large-volume data transfer) Weight 12.00 lbs Information About CS1D-BC042D The CS1D-BC042D is a high-availability CPU backplane module from Omron, designed for use in duplex (redundant) configurations within the CS1D series programmable logic controller (PLC) systems. It supports dual CPU and dual I/O expansion, enabling seamless hot-swapping of critical components for continuous industrial operation. While part of a legacy product line, the CS1D-BC042D remains available through industrial distributors and surplus suppliers. Key Features: Omron Engineered: Developed for critical applications requiring redundancy, uptime, and flexible I/O scalability. Duplex CPU Support: Allows the installation of two CPU units for system redundancy and continuous process monitoring. Dual I/O Expansion: Supports mirrored I/O for high-reliability setups with up to five I/O modules per rack. Hot-Swappable Architecture: Enables live replacement of CPU, power supply, and I/O units without halting operation. Rack-Based Design: Mounts within standard CS1D PLC racks and supports long-distance I/O expansion. Industrial Use Case: Ideal for process control in sectors like energy, water treatment, and critical infrastructure. Wide System Compatibility: Interfaces with CS1 series analog, digital, and communication units for flexible design. Current Consumption: Draws 1.20 A on the 5V system, ensuring stable performance under continuous load. Certified Standards: Compliant with UC1 and CE standards for industrial safety and interoperability. Legacy Availability: Though no longer actively promoted, remains stocked via trusted global automation suppliers. The CS1D-BC042D is essential for maintaining and expanding legacy Omron CS1D-based control systems. With its robust support for duplex architecture and uninterrupted operation, it provides reliable performance in environments where system downtime is not an option.
