Honeywell CCC‑PCNT02 CCCPCNT02 Controller Module

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Honeywell CCC‑PCNT02  CCCPCNT02

Honeywell International Inc. CC-PCNT02 (often written as CCC-PCNT02 / CCCPCNT02) is an Experion PKS C300 Controller Module used in Honeywell’s Series C / Experion Process Knowledge System (PKS) distributed control system (DCS). It is the enhanced successor to the earlier CC-PCNT01 controller.

1. Basic Information

Item	Description
Manufacturer	Honeywell
Model	CC-PCNT02
Alternate Reference	CCC-PCNT02, CCCPCNT02
Part Number	51454551-275 (commonly associated)
Product Type	C300 Controller Module
System Platform	Honeywell Experion PKS
Application	Industrial process control / DCS controller
Replacement	Replaces CC-PCNT01 for new installations and field replacement

2. Product Function

The CC-PCNT02 is the main execution controller for the C300 control environment. It runs Honeywell’s Control Execution Environment (CEE) and performs:

• Regulatory control execution
• Logic and sequence control
• Process strategy execution
• Alarm and event processing
• Communication with Series C I/O modules
• Controller redundancy management

3. Key Features

Enhanced Controller Capability

Compared with CC-PCNT01, CC-PCNT02 provides upgraded hardware resources and supports additional functionality, including:

• Expanded memory capacity
• Support for Profit Controller
• Support for Ethernet Interface Module (EIM) functions
• Improved hardware lifecycle availability

Communication

• Supports two I/O links for Series C I/O communication
• Integrates with Honeywell Control Firewall (CF9) architecture
• Multiple C300 controllers can be connected through Ethernet networks using the Control Firewall aggregation function

Redundancy

The controller supports redundant C300 configurations for high availability applications.

4. Technical Specifications (Typical)

Parameter	Specification
Controller Type	C300 Process Controller
Execution Environment	Honeywell CEE
Base Execution Period	50 ms
I/O Links	2
I/O Link Speed	375 / 750 kbaud
Redundancy	Supported
Installation	Experion PKS Series C hardware architecture
Firmware	Requires appropriate CC-PCNT02 firmware image for extended functions

5. Structural Composition

The module typically consists of:

• Processor board
• Application/control board
• Memory subsystem
• Communication interfaces
• Firmware storage
• Series C I/O communication interface
• Controller status and diagnostic indicators

The upgraded CC-PCNT02 hardware introduced newer FPGA technology and increased memory compared with the original CC-PCNT01 design.

6. Application Fields

Honeywell CC-PCNT02 controllers are widely used in:

• Oil & gas processing
• Petrochemical plants
• Power generation
• Chemical manufacturing
• Pharmaceutical production
• Water treatment
• Large continuous process industries

Typical applications include:

• Burner and furnace control
• Reactor control
• Compressor control
• Pump and motor control
• Batch process automation

7. Lifecycle Note

Honeywell has announced that the CC-PCNT02 is moving into legacy support status, with migration paths available toward the newer CC-PCNT05 C300 controller. Honeywell positions CC-PCNT05 as the next-generation replacement with improved performance, security features, and embedded control firewall capability.

8. Conclusion

The Honeywell CC-PCNT02 / CCC-PCNT02 is a reliable Experion PKS C300 process controller module designed for demanding industrial automation environments. It provides deterministic control execution, redundant operation capability, Series C I/O connectivity, and extended functionality over the previous CC-PCNT01 generation. For existing Experion PKS installations, it remains an important spare and replacement controller, while new system designs are generally moving toward the CC-PCNT05 platform.