Honeywell C300 CC-PCNT02 51454551-275 Controller Module

Overview

The Honeywell CC-PCNT02 (Part Number: 51454551-275) is a high-performance C300 Controller Module designed for the Experion Process Knowledge System (PKS) platform. As an upgraded version of the CC-PCNT01, it provides double the usable memory (32MB compared to 16MB) and is strictly required to run "Extended Functionality" firmware, such as Profit Controller and Ethernet Interface Modules (EIM).

Technical Specifications

• Product Type: C300 Controller Module (Upgraded / Enhanced Memory Version)
• Model Code: CC-PCNT02
• Part Number: 51454551-275
• Manufacturer: Honeywell
• Memory Capacity: 32 MB (Double the 16 MB capacity of CC-PCNT01)
• Device Index Configuration Range: Between 1 and 510
• IOTA Module Size Requirement: 6 inches
• Supported Execution Periods (CEE): 50 ms / 50 ms
• Number of I/O Links Supported: 2
• I/O Link Baud Rates: 375 Kbaud / 750 Kbaud
• Operating Temperature Range: -40 °C to +70 °C (-40 °F to +158 °F) [Extended range for new releases/current hardware; older modules support 0–60°C]
• Customs Tariff Number (HS Code): 8537101190
• Country of Origin: USA
• Physical Dimensions: 7.3 cm x 15.3 cm x 16.5 cm
• Product Net Weight: 0.45 kg

Network & System Architecture

• Control Firewall (CF9) Integration: C300 controllers are connected over a dedicated Control Firewall, with the CF9 acting as the central network aggregator.
• FTE Capacity: Up to four (4) C300 controller modules can be securely connected via Ethernet through a single CF9 firewall assembly.

Maintenance & Troubleshooting Notes

• Hardware Inspection: Aside from potential firmware mismatches, the most common reason for communication or initialization failure is a faulty IOTA base board or a bent pin on the module's multi-pin connector. Inspect the underside pins closely before seating.
• Mounting Alignment: Ensure the module is perfectly vertical when lowering it onto the 6-inch IOTA socket to avoid shearing the connector interface.
• Network Routing: Always route the controller's main network links directly through the CF9 firewall aggregation points to maintain appropriate protocol traffic filtering.