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Description
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 900C72-0144-00 |
| Manufacturer | Honeywell International Inc. |
| Product Category | HC900 C70 Hybrid Controller CPU Module |
| Processor | 32-bit RISC PowerPC e300 architecture |
| Memory | 128MB battery-backed DDR2 RAM with ECC; 2MB non-volatile Flash |
| I/O Capacity | Up to 8000 I/O points (supports up to 11 remote racks) |
| Control Loops | Supports up to 200 PID control loops |
| Communication Ports | Dual 10/100Base-T Ethernet, RS-485 (Modbus RTU) |
| Protocols | Modbus TCP/IP, Modbus RTU, OPC, EtherNet/IP, Peer-to-Peer |
| Redundancy | Supports hot-swappable CPU and power redundancy configurations |
| Operating Temperature | 0°C to +60°C (Storage: -40°C to +85°C) |
| Humidity | 5% to 95% RH (non-condensing) |
| Dimensions (H×W×D) | 137 × 38.1 × 151.7 mm |
| Weight | 0.454 kg |
| Certifications | CE, UL, CSA, FM Class I Div 2 (hazardous locations), RoHS |
Technical Principles and Innovative Values
- Unified Hybrid Control: The module merges continuous process control (PID), discrete logic (ladder), and sequential function charts in one engine. This eliminates the need for separate PLC and DCS hardware, reducing system footprint and lifecycle costs.
- Advanced Network Integration: Native dual-port Ethernet support with Modbus TCP/IP and OPC allows seamless data exchange with enterprise-level SCADA systems, HMIs, and third-party intelligent devices.
- Deterministic High-Speed Execution: Utilizes a fast RISC processor with a dual scanning mechanism that prioritizes time-critical digital logic separately from analog process loops, ensuring precise event sequence recording (SOE) with 1ms accuracy.
Application Cases and Industry Value
A pharmaceutical manufacturer upgraded its fermentation vessel controls using the 900C72-0144-00. The CPU’s precise ramp/soak temperature control and recipe management improved product yield consistency by 8%. In a natural gas compression station, the module’s optional redundant configuration provided bumpless failover during a primary CPU fault, preventing a costly and dangerous emergency shutdown.
Related Product Combination Solutions
- HC900 I/O Modules: A full range of digital input/output and analog modules to interface directly with field sensors and actuators.
- HC900 Power Supplies: Dedicated 24 VDC power supply units designed for redundant operation with the C70 CPU.
- Hybrid Control Designer (HCD): Honeywell’s proprietary engineering software used to configure, program, and maintain the HC900 system.
