The Honeywell 8C-PCNTO3 is a high-performance controller module designed for Honeywell’s Series 8 C300 distributed control system (DCS), serving as the computational core for process automation in critical industrial applications. This ruggedized controller features deterministic control execution with sub-millisecond response times, making the 8C-PCNTO3 ideal for complex continuous and batch process control scenarios where reliability and precision are paramount.
As part of Honeywell’s Experion® PKS architecture, the 8C-PCNTO3 supports both redundant and non-redundant configurations with automatic failover capabilities. Its modular design integrates seamlessly with Series 8 I/O subsystems while providing native support for advanced control strategies including PID loops, sequential function charts, and custom function blocks. The Honeywell 8C-PCNTO3 establishes new benchmarks for controller availability with built-in ECC memory protection and dual-layer diagnostic routines.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Model | 8C-PCNTO3 |
| Manufacturer | Honeywell |
| Type | Controller Module |
| Processor | Dual-core 1.2GHz Power Architecture |
| Memory | 2GB DDR3 with ECC |
| Control Execution Rate | 50ms (configurable to 10ms) |
| Max I/O Capacity | 1024 points |
| Redundancy Support | Hot standby (<500ms switchover) |
| Communication Protocols | ControlNet, Ethernet/IP, Modbus TCP |
| Power Supply | 24VDC (18-56VDC range) |
| Operating Temperature | -20°C to 70°C |
| Humidity Range | 5-95% non-condensing |
| Dimensions | 200mm × 150mm × 40mm |
| Certifications | ATEX, IECEx, SIL 2 |
Main Features and Advantages:
The Honeywell 8C-PCNTO3 delivers exceptional control performance through its deterministic execution environment (CEE), ensuring precise timing for critical control loops17. Its dual-processor architecture separates control execution from communication tasks, guaranteeing consistent performance even during network congestion.
Advanced diagnostics: Continuous self-monitoring of CPU load, memory usage and I/O health enables predictive maintenance. The 8C-PCNTO3 features configurable alarm thresholds with timestamped event logging for comprehensive system auditing.
Engineering efficiency: Native support for IEC 61131-3 programming languages and Honeywell’s Control Function Blocks (CFBs) accelerates application development. The controller maintains full backward compatibility with existing C300 applications, protecting legacy investments.
Application Areas:
- Oil & Gas: Crude distillation unit control
- Chemical: Batch reactor sequencing
- Power Generation: Turbine governor control
- Pharmaceutical: CIP/SIP process automation
- Water Treatment: Membrane filtration control
Related Products:
- 8C-PCNT02: Non-redundant controller variant
- 8C-PCNR02: Redundant controller pair
- 8C-TAILA1: Analog input terminal board
- 8C-TAOHA1: Analog output terminal board
- 8C-TDILA1: Digital input terminal board
- 8C-TDODA1: Digital output terminal board
Installation and Maintenance:
Installation preparation: Verify rack compatibility and grounding requirements before installing the Honeywell 8C-PCNTO3. Ensure proper ventilation clearance and use only specified power supply ratings.
Maintenance recommendations: Perform quarterly firmware validation and annual memory diagnostics. The 8C-PCNTO3 supports online module replacement without process interruption when properly configured in redundant systems.
Product Assurance:
Honeywell provides 12-month warranty coverage for the 8C-PCNTO3, including global technical support and firmware updates. Each controller undergoes 72-hour burn-in testing with complete functional verification prior to shipment. Lifetime product support ensures long-term availability of spare components and engineering documentation.
Reviews
There are no reviews yet.