Description
Key Technical Specifications
- Model Number: CC-PCNT02-51454551-275
- Manufacturer: Honeywell. Series: Experion PKS C300
- Module Type: Process Controller (CEE Control Execution Environment)
- Power Input: 24 VDC, typical 320 mA
- Control Execution: Configurable 50 ms base; 20 ms available for qualified use cases
- Memory: 64 MB Flash, 32 MB RAM
- Communication: Ethernet, Series C I/O bus, peer-to-peer controller messaging
- Redundancy: Supports hot standby redundant C300 pair
- Ambient Range: 0 °C to 60 °C; Class I Div.2, T4 rated
- Form Factor: DIN-mounted C300 controller chassis with front status LEDs
- Direct Replacement: CC-PCNT01 (not all firmware/software releases are interchangeable)
Functional Role & Application Analysis
The CC-PCNT02 is the primary execution engine for Experion PKS. It does not just collect I/O; it runs continuous control, sequence logic, batch recipes and advanced control blocks on a fixed schedule. That determinism is what stabilizes unit operations during disturbances. When this controller faults, the I/O rack can lose closed-loop control unless a redundant partner takes over cleanly.
A common field mistake is treating it as a drop-in swap for any old CC-PCNT01. Hardware form factor is similar, but the CEE firmware, Experion release license and I/O load limits must align. A mismatched unit can boot but fail peer sync, produce intermittent P2P errors or reject extended functions such as Profit Controller or EIM.
Typical use cases:
- Refining, petrochemical and gas processing main control racks
- Power plant boiler, turbine and balance-of-plant control
- Pulp, paper and food & beverage continuous/batch control islands
- Legacy CC-PCNT01 replacement on active Experion PKS systems
Our Quality Standard & Testing Process
We understand that the cost of an unreliable controller is not just the part price. A controller that passes power-up but drops peer communication can trigger unit upsets. We do not ship cosmetic-only inspected units.
- Visual & Component Inspection: Check connector pins, board corrosion, capacitor condition and factory labeling. Any evidence of unapproved rework rejects the unit.
- Powered Rack Burn-In: Installed in a matching C300 rack and run 24 hours. We log power, status LEDs and fault registers.
- I/O & Peer Communication Test: Connect Series C I/O and a second controller to validate P2P data exchange under load. We look for dropped updates or sync drift.
- Firmware & Release Audit: Read installed CEE firmware. We compare it against your target Experion release before shipment.
- Warranty Backing: Only units with stable communication and clean fault logs ship. All modules carry our full 12-month warranty.

Honeywell CC-PCNT02-51454551-275
Compatibility & Migration Paths
To avoid post-install surprises, verify these items before committing. Many outages trace back to skipping this step.
- Firmware/Hardware Revisions: The suffix 51454551-275 denotes a specific hardware variant. Your Experion release must support that CEE version. Newer releases may restrict older CC-PCNT01 and certain CC-PCNT02 revisions.
- Required Components: Redundant pairs need matching hardware and firmware. Do not mix Rev A and Rev B controllers without Honeywell release notes review. Series C I/O modules must be compatible with the target execution period.
- Replacement & Alternatives: This unit replaces CC-PCNT01 in many but not all configurations. If your site is on an older PKS release, we can flag whether a firmware upgrade or controller upgrade is safer than a direct swap.
- Get Expert Help: Send your Experion version, existing controller part/rev, CEE version and redundant setup. Our engineers will confirm fit, license scope and whether 20 ms execution is allowed for your application.



