Honeywell CC-PAON01 Retrofit-Compatible Analog Output for Legacy Systems

Honeywell CC-PAON01 Retrofit-Compatible Analog Output for Legacy Systems

The Honeywell CC-PAON01 (also referenced as 51410070-175 and CC-TAON01) is a high-reliability analog output module designed for the Experion PKS platform and C300 Controller series. As legacy DCS installations age and original spare parts reach end-of-life, the CC-PAON01 has become a critical retrofit component for maintenance engineers and system integrators managing aging process control infrastructure across refining, petrochemical, power generation, and continuous manufacturing environments.

Whether you are replacing a failed output card in an existing C300 cabinet, expanding I/O capacity during a partial system upgrade, or migrating from an older TDC 3000 or PlantScape architecture, the CC-PAON01 provides a verified drop-in solution that preserves your existing wiring, backplane addressing, and control logic without requiring a full system overhaul.

Upgrade Compatibility Table

Retrofit Planning for Existing Automation Systems

Successful integration of the CC-PAON01 into an existing Experion PKS installation requires careful pre-retrofit planning across several system layers. Before removing the failed or end-of-life module, engineers should document the current module slot address within the C300 I/O chassis and verify that the replacement CC-PAON01 will be recognized at the same logical address in Experion Builder. This avoids the need to modify the existing control strategy or re-download the C300 Controller program.

On the wiring side, the CC-PAON01 uses a standard field termination assembly. If your installation uses a CC-TAON01 termination panel or equivalent marshalling cabinet, the field wiring can remain undisturbed during the swap. Verify that the terminal block torque settings and cable shielding practices meet Honeywell’s installation guidelines to prevent signal noise on the 4–20 mA output loops.

Power supply capacity is another key checkpoint. The C300 I/O chassis power supply — typically a CC-PWR01 or equivalent redundant power module — must have sufficient headroom to support the additional load of the replacement CC-PAON01. In cabinets where multiple analog output modules are installed alongside CC-PAIN01 analog input modules, CC-PDIL01 digital input modules, and CC-PDOB01 digital output modules, the cumulative current draw should be recalculated before the retrofit proceeds.

For installations that also include CC-PCF901 or CC-PCF902 communication modules connecting the C300 to field devices via FOUNDATION Fieldbus or PROFIBUS, confirm that the analog output channel assignments in the Experion control strategy do not conflict with any fieldbus device address maps. In mixed I/O environments, the CC-PAON01 coexists with these communication modules on the same backplane without protocol conflicts, but the Experion Builder module list must accurately reflect the physical slot configuration.

If the retrofit is part of a broader migration from a TDC 3000 or PlantScape system, the CC-PAON01 may be installed in a new C300 chassis alongside a C300 Controller module and an FTE network interface. In this scenario, the HMI displays in Experion Station will need to be updated to reflect the new tag assignments mapped to the CC-PAON01 output channels. Coordinate with the control system engineer to ensure that the Experion Display Builder graphics reference the correct parameter paths before the system goes live.

Signal isolators and loop-powered barriers installed between the CC-PAON01 output terminals and field actuators should also be verified for compatibility with the module’s output impedance and compliance voltage specifications. In older installations, Zener barriers or galvanic isolators may need to be replaced or recalibrated as part of the retrofit scope.

Downtime Control During System Migration

Minimizing unplanned downtime is the primary concern for any retrofit involving a live process control system. When replacing the CC-PAON01 in a running Experion PKS installation, the recommended approach is to use Experion’s online module replacement capability, which allows a new module to be inserted into a powered chassis without shutting down the C300 Controller or interrupting the control strategy execution.

Before initiating the hot-swap procedure, place all output channels associated with the CC-PAON01 into manual mode at the Experion Station operator console. This ensures that field actuators — control valves, variable speed drives, or positioners — hold their last commanded position during the module exchange, preventing uncontrolled process upsets.

Once the replacement CC-PAON01 is seated in the backplane slot, Experion will automatically detect the module and begin the re-initialization sequence. Monitor the module status in Experion Builder to confirm that all eight output channels return to healthy status before transferring control back to automatic mode. The entire hot-swap process, when properly planned, can typically be completed within 15 to 30 minutes without a process shutdown.

For installations where online replacement is not feasible due to safety interlock requirements or process criticality, a planned maintenance window should be scheduled. In this case, the C300 Controller can be placed in a safe state using the Experion Station shutdown sequence, the CC-PAON01 replaced, and the system restarted with a full channel verification cycle before returning to automatic control. Having a pre-tested and pre-configured replacement CC-PAON01 on hand — with the correct firmware version confirmed — is essential to keeping the maintenance window as short as possible.

Retrofit Support FAQ

Q: Is the CC-PAON01 a direct replacement for the 51410070-175 and CC-TAON01 part numbers?
A: Yes. CC-PAON01, 51410070-175, and CC-TAON01 are cross-referenced part numbers for the same Honeywell Experion PKS analog output module. All three designations refer to the same hardware and are interchangeable in C300 I/O chassis installations.

Q: Does the replacement CC-PAON01 require firmware updates or Experion Builder reconfiguration?
A: In most cases, the replacement module will be auto-detected by the C300 Controller at the existing slot address, and no Experion Builder reconfiguration is required. However, if the firmware version of the replacement unit differs from the original, an Experion system update may be recommended. We supply modules with firmware versions matched to your system specification upon request.

Q: What pre-shipment testing is performed on the CC-PAON01 before delivery?
A: Every CC-PAON01 unit undergoes full functional testing prior to shipment, including channel-by-channel output verification across the 4–20 mA range, backplane communication integrity checks, and visual inspection for connector and terminal condition. A test report is available upon request.

Q: What warranty coverage is provided, and what is the typical lead time?
A: All CC-PAON01 units supplied by NINERMAS carry a 12-month warranty from the date of shipment, covering manufacturing defects and functional failures under normal operating conditions. We maintain ready stock for immediate dispatch, with standard lead times of 3–7 business days for international shipments. Expedited shipping options are available for urgent retrofit requirements.