Honeywell CC-PAOH01 (51405039-175) — 8-Channel Analog Output Module | Experion PKS C300 Series
Engineering Background: The Honeywell Experion PKS (Process Knowledge System) platform is one of the most widely deployed Distributed Control Systems in continuous-process industries globally, covering refinery units, power generation, and municipal water treatment. Within this architecture, the C300 Controller Series serves as the primary process controller, and the CC-PAOH01 analog output module is the critical last-mile interface between the controller’s digital commands and field actuators — control valves, variable-frequency drives, and positioners — that regulate flow, pressure, and temperature in real time.
Product Positioning: The CC-PAOH01 provides 8 isolated 4–20 mA analog output channels on a single CHARM-compatible I/O module footprint. Unlike the CC-PAIH01 input counterpart, this module is designed for signal sourcing rather than sensing, with each channel capable of driving loop-powered field devices at up to 750 Ω load. It is the correct selection when the application requires high-density analog output in a C300 cabinet without expanding to a second I/O chassis. It is not a replacement for HART-capable output modules (CC-PAOH51) where field device diagnostics are required.
Complete Technical Specifications
Electrical
- Output Type: 4–20 mA current source, isolated per channel
- Number of Channels: 8
- Output Resolution: 12-bit DAC
- Accuracy: ±0.1% of full scale at 25°C
- Maximum Loop Load: 750 Ω per channel
- Open-Circuit Detection: Yes (configurable alarm)
- Short-Circuit Protection: Yes, self-resetting
- Power Consumption: 3.3 W typical (from CHARM backplane)
- Isolation: Channel-to-channel and channel-to-backplane (500 V AC)
Mechanical
- Part Number: CC-PAOH01
- Alternate Part Number: 51405039-175
- Form Factor: CHARM I/O Module (plug-in card)
- Connector: 40-pin CHARM backplane connector
- Weight: ~400 g
- Dimensions: Per Honeywell CHARM I/O standard footprint
Environmental
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Vibration: IEC 60068-2-6 compliant
- Pollution Degree: 2
Certifications
- CE Marking: Yes
- UL Listed: Yes
- RoHS Compliant: Yes
- SIL Capable: Refer to Honeywell SIL documentation for functional safety use
Data sourced from Honeywell Experion PKS CHARM I/O Module Specification Sheet and 51405039-175 product documentation. Specifications subject to revision by manufacturer.
Proven Application Environments
- Petroleum Refining: Crude distillation units — modulating control valve positioners under continuous high-temperature, high-throughput operating conditions.
- Natural Gas Processing: Compressor anti-surge control systems — driving VFD speed reference signals where millisecond-level output stability is critical.
- Coal-Fired Power Generation: Boiler combustion control — providing 4–20 mA setpoints to fuel feed and air damper actuators under sustained thermal load.
- Municipal Water Treatment: Chemical dosing pump control — delivering precise analog output to metering pumps in corrosive, high-humidity environments.
- Petrochemical Ethylene Plants: Reactor temperature control loops — sourcing isolated output signals to multiple independent control valves within a single C300 cabinet.
- Offshore Oil & Gas Platforms: Wellhead pressure management — operating in salt-air environments with vibration and wide ambient temperature swings.
Engineering Advantages
- For high-density output requirements, this analog output module delivers 8 isolated channels per slot, because the CHARM backplane architecture eliminates the need for external marshalling panels and reduces cabinet footprint by up to 40%.
- For applications with mixed field device loads, this module supports up to 750 Ω per channel, because the current-source output topology maintains accuracy regardless of cable resistance variation across long field runs.
- For safety-critical loops, this module provides per-channel open-circuit and short-circuit detection, because early fault identification allows the DCS to initiate safe-state transitions before process deviation occurs.
- For hot-standby redundancy architectures, this module integrates natively with C300 redundant controller pairs, because the CHARM backplane handles bumpless switchover without requiring additional output conditioning hardware.
- For maintenance-intensive facilities, this module supports online replacement without process shutdown, because the CHARM I/O design allows card extraction and reinsertion while the backplane remains energized.
- For global compliance requirements, this module carries CE and UL certifications, because Honeywell’s manufacturing process adheres to IEC 61131-2 and relevant industrial safety standards applicable across petrochemical and power sectors.
System Architecture & Signal Flow
The CC-PAOH01 receives digital setpoint data from the C300 Controller via the CHARM backplane serial bus. The onboard 12-bit DAC converts this data to a proportional 4–20 mA current signal, which is sourced through the field terminal block to the connected actuator or positioner. Each channel operates independently with its own isolation barrier, preventing ground loops between field devices.
Compatible Modules & Controllers:
- C300 Controller (CC-PCF901, CC-PCF902) — primary host controller; direct backplane communication.
- CHARM I/O Baseplate (CC-PBSH01, CC-PBSH02) — required mounting hardware; provides power and data bus.
- CC-PAIH01 (51405038-175) — the analog input counterpart for closed-loop configurations.
- CC-PAOH51 — HART-capable analog output module; use when field device diagnostics (HART DD) are required instead of CC-PAOH01.
Substitution Conditions: The CC-PAOH01 may be substituted with CC-PAOH51 when HART communication is required. No firmware change to the C300 controller is needed; only the I/O module configuration tag in Experion Control Builder must be updated to reflect the HART-capable type.
Sourcing & Quality Verification
All CC-PAOH01 units offered through Konmask.com are sourced from authorized industrial distributors and verified surplus channels with documented chain of custody. No counterfeit or refurbished-without-disclosure units are listed.
4-Step Incoming Inspection Process:
- Visual Inspection: Board condition, connector pin integrity, label authenticity, and absence of rework solder joints.
- Part Number Verification: Cross-reference CC-PAOH01 and 51405039-175 against Honeywell’s published part number matrix.
- Functional Bench Test: Output channel verification at 4 mA, 12 mA, and 20 mA setpoints using calibrated loop calibrator.
- Firmware Revision Check: Confirm firmware revision compatibility with target Experion PKS release (R310 and above supported).
Documentation Available Upon Request:
- Test report with channel-by-channel output verification data
- Certificate of conformance
- Honeywell original datasheet (51405039-175)
- Export compliance documentation (ECCN, HTS code)
Procurement Process
- Submit Inquiry: Contact [email protected] with your required quantity, target delivery date, and Experion PKS firmware version. A quotation with lead time confirmation is returned within 24 hours.
- Order Confirmation: Upon PO receipt, the unit undergoes final inspection and is packaged in anti-static ESD shielding with foam cushioning for international freight.
- Shipment & Tracking: DHL Express or FedEx International Priority with full tracking. Export documentation (commercial invoice, packing list, COO) provided for customs clearance.
Technical Support: Pre-sales engineering consultation is available for configuration compatibility questions, including C300 tag configuration, CHARM baseplate slot assignment, and Experion Control Builder I/O module setup. Post-sales support covers installation verification and loop commissioning guidance.
Technical FAQ
Q: Is the CC-PAOH01 compatible with Experion PKS R400 and later releases?
A: Yes. The CC-PAOH01 is compatible with Experion PKS R310 through R500 series. For R400 and above, confirm the CHARM I/O baseplate firmware is updated to the corresponding release level via Honeywell’s patch management process.
Q: Can the CC-PAOH01 replace a CC-PAOH51 in an existing installation?
A: Yes, as a physical drop-in replacement, provided HART communication is not in use for that I/O slot. The Control Builder configuration tag must be changed from PAOH51 to PAOH01 type, and any HART DD-based device diagnostics will be lost. Verify with the site’s functional safety assessment before substitution in SIL-rated loops.
Q: Does this module carry SIL 2 certification for use in safety instrumented systems?
A: The CC-PAOH01 is not independently SIL 2 certified as a standalone module. For SIL-rated applications, Honeywell’s Safety Manager platform with dedicated SIL-certified I/O modules is the correct architecture. Consult Honeywell’s functional safety documentation (document 51-52-25-107) for SIL loop calculation guidance.
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