Description

The Honeywell CC-PWRN01 is a high-reliability, redundant-capable power supply module engineered specifically for the Experion® PKS C300 distributed control system (DCS) platform. As a core component of the C300 I/O carrier assembly, the CC-PWRN01 delivers stable, conditioned 24V DC power to all I/O modules and the controller backplane, ensuring uninterrupted operation in continuous-process environments such as refineries, chemical plants, and power generation facilities. Designed with industrial-grade components and robust thermal management, the Honeywell CC-PWRN01 supports N+1 redundancy when paired with a second unit in the same carrier, enabling seamless failover without system interruption—a critical requirement for safety-instrumented and high-availability applications.

Positioned within Honeywell’s broader Experion PKS architecture, the CC-PWRN01 integrates natively with C300 controllers (e.g., CC-TD01, CC-TD02) and leverages intelligent diagnostics to report voltage status, load levels, and fault conditions directly to the system operator workstation. Unlike generic industrial power supplies, the CC-PWRN01 is mechanically and electrically optimized for the C300 chassis, featuring hot-swap capability, front-panel status LEDs, and compliance with stringent EMC and safety standards. For engineers maintaining legacy PKS systems or expanding existing installations, the Honeywell CC-PWRN01 represents a field-proven, specification-compliant power solution that upholds the integrity of one of the world’s most trusted DCS platforms.

Technical Specifications

Main Features and Advantages

True N+1 redundancy with automatic failover: When two CC-PWRN01 modules are installed in a C300 I/O carrier, they operate in parallel with active load sharing. If one unit fails due to input loss or internal fault, the other instantly assumes 100% load without voltage sag—ensuring zero disruption to I/O scanning or control logic execution. This capability is essential for SIL-rated loops and continuous batch processes where even milliseconds of power instability can trigger costly shutdowns.

Hot-swappable design for maximum uptime: Field technicians can replace a faulty CC-PWRN01 without powering down the entire C300 node. The module’s mechanical latch and keyed connector prevent misalignment, while the system automatically detects the new unit and resumes normal operation—minimizing mean time to repair (MTTR) in 24/7 operations.

Integrated diagnostics and system visibility: Unlike standalone power supplies, the CC-PWRN01 communicates its health status directly to the Experion PKS controller. Operators can monitor real-time output voltage, current draw, and fault history through the system alarm banner or asset management tools, enabling predictive maintenance before a failure occurs.

Optimized for harsh industrial environments: The CC-PWRN01 uses conformal-coated PCBs and wide-input-range circuitry to withstand voltage sags, surges, and harmonic distortion common in plant electrical systems. Its fanless, convection-cooled design eliminates moving parts—a key reliability advantage in dusty or corrosive atmospheres where fan failure could cascade into system downtime.

Application Field

The Honeywell CC-PWRN01 is predominantly deployed in process industries where control system availability directly impacts safety, environmental compliance, and profitability. In oil refineries, the CC-PWRN01 powers C300 I/O carriers managing reactor temperature control, distillation column pressure regulation, and emergency shutdown valves—applications where redundant power is mandated by IEC 61511. Similarly, in pharmaceutical manufacturing, the CC-PWRN01 ensures uninterrupted data acquisition from bioreactors and purification skids, supporting 21 CFR Part 11 compliance through continuous audit trails.

Chemical plants rely on the CC-PWRN01 to maintain stable power during grid fluctuations caused by large compressor startups, preventing spurious trips in polymerization or chlorination units. In power generation, especially combined-cycle plants, the CC-PWRN01 supports boiler feedwater control and emissions monitoring systems that must remain online during utility-side disturbances. Even in water treatment facilities upgrading legacy DCS hardware, the CC-PWRN01 provides a drop-in-compatible power solution that extends the life of existing C300 infrastructure without rewiring or re-engineering. Across all these sectors, the CC-PWRN01’s combination of redundancy, diagnostics, and ruggedness makes it indispensable for mission-critical automation.

Related Products

• CC-PWRA01: Older non-redundant power module for early C300 systems; CC-PWRN01 is the recommended upgrade

• CC-TD01 / CC-TD02: C300 controller modules that require CC-PWRN01 for I/O carrier power

• C300 I/O Carrier (e.g., CC-PCNT01): Chassis that houses CC-PWRN01, I/O modules, and controller—must be compatible

• CC-PSU01: External 24V power supply for auxiliary use; not a direct replacement for CC-PWRN01

• Experion PKS R510/R520: Engineering workstations used to configure and monitor systems using CC-PWRN01

• Honeywell SmartLine Transmitters: Field devices often connected to I/O powered by CC-PWRN01 in loop-powered configurations

Installation and Maintenance

Pre-installation preparation: Before installing the CC-PWRN01, confirm your C300 I/O carrier supports redundant power (typically models with dual PSU slots). Ensure the AC input source meets the 85–264 V AC range and is protected by an appropriately rated circuit breaker. With the carrier powered off, align the CC-PWRN01 with the guide rails, press firmly until the retention latch clicks, and verify the backplane connector is fully seated. For redundancy, install a second CC-PWRN01 in the adjacent slot—both will auto-synchronize upon power-up.

Maintenance recommendations: Although the CC-PWRN01 has no user-serviceable parts, routine visual inspection of the PWR OK and FAIL LEDs is advised during plant rounds. If the red FAIL LED illuminates, check AC input voltage and ensure the module isn’t overheating due to blocked airflow in the cabinet. Never attempt to open the module casing—doing so voids safety certifications. Keep a spare, pre-tested CC-PWRN01 on-site for rapid replacement; thanks to hot-swap support, swapping takes less than two minutes with no system reboot required.