The Honeywell 900C70-0460 is a high-performance Central Processing Unit (CPU) module designed for the ControlEdge™ HC900 hybrid control system. This advanced controller combines robust process control capabilities with logic execution, making it an ideal solution for demanding industrial automation applications including chemical processing, power generation, oil and gas, pharmaceutical manufacturing, and water treatment systems.
As the "brain" of the HC900 system, the C70 CPU module delivers exceptional processing power for loop control, logic execution, and data acquisition, supporting complex control strategies such as PID, cascade, ratio, and feedforward control.
Key Features
Feature Description
High-Performance Processing 32-bit ARM Cortex-A9 multi-core processor or 32-bit RISC architecture for fast, reliable execution
Large Control Capacity Supports up to 300 control loops with PID, cascade, ratio, and feedforward strategies
Redundancy Ready Compatible with redundant configurations for high-availability applications requiring 99.99% uptime
Flexible Connectivity Dual Ethernet ports supporting Modbus TCP, EtherNet/IP, PROFINET; plus RS-485 Modbus serial communication
Hot-Swappable Design I/O modules can be replaced without system shutdown (CPU replacement requires controlled shutdown)
Built-in Diagnostics Real-time monitoring and fault detection with LED status indicators for power, system status, network activity, and faults
Wide Operating Range Operates from 0°C to 60°C (extended temperature versions available), 5% to 95% humidity non-condensing
Industrial Certifications CE, UL, CSA, ATEX certified for global industrial deployment
Technical Specifications
Parameter Specification
Model Number 900C70-0460 / 900C70-0460-00
Product Series ControlEdge HC900 C70
Processor Type 32-bit ARM Cortex-A9 multi-core / 32-bit RISC
Memory 1 GB DDR3 RAM + 4 GB Flash / 4 MB RAM + 4 MB Flash (varies by source)
Control Loop Capacity Up to 300 PID loops
I/O Capacity Supports up to 1,000+ I/O points with distributed expansion modules
Communication Protocols Modbus RTU, Modbus TCP, EtherNet/IP, PROFINET, OPC DA/UA
Communication Ports Dual Ethernet 10/100 Mbps, RS-485
Power Supply 24V DC ±10% to ±20%
Power Consumption 12W to 15W typical
Operating Temperature 0°C to 60°C (32°F to 140°F)
Storage Temperature -40°C to 85°C (-40°F to 185°F)
Dimensions 140 × 100 × 75 mm / 9.5 × 5.7 × 2.2 inches
Weight 0.4 kg to 0.5 kg (approx. 0.9-1.1 lbs)
Mounting DIN rail or panel mount
Certifications CE, UL, CSA, ATEX, TUV