Description
- Model: CC-PAOH0
- Brand: Honeywell
- Series: Experion PKS Series C
- Core Function: Sends analog current commands to field actuators
- Type: High-Level Analog Output Module with HART
- Key Specs: 16 channels; 4–20 mA output; HART communication
- Likely Full Model: CC-PAOH01
- Important Note: Honeywell’s published Series C documentation identifies CC-PAOH01 as the valid model; “CC-PAOH0” appears incomplete.
Product Introduction
The supplied model CC-PAOH0 appears to be an incomplete Honeywell part number. Honeywell’s official Series C I/O documentation identifies the corresponding module as CC-PAOH01, a 16-channel high-level analog output module with HART (Highway Addressable Remote Transducer) capability for Experion PKS.
The module provides 4–20 mA output signals for actuators, recorders, and indicating devices, with output read-back, open-wire detection, configurable fail-state behavior, and optional redundancy. Honeywell specifies 16 output channels and a maximum resistive load of 800 Ω under the documented 24 V supply condition.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model Entered | CC-PAOH0 |
| Likely Complete Model | CC-PAOH01 |
| Manufacturer | Honeywell |
| Product Family | Experion PKS Series C |
| Product Type | High-Level Analog Output with HART |
| Output Channels | 16 |
| Output Signal | 4–20 mA |
| Directly Settable Range | 0 mA; 2.9–21.1 mA |
| Maximum Resistive Load | 800 Ω |
| Output Readback Accuracy | ±4% of Full Scale |
| Output Linearity | ±0.05% of Full Scale nominal |
| Calibrated Accuracy | ±0.35% of Full Scale at 25°C |
| Output Ripple | <100 mV peak-to-peak at power-line frequency |
| Temperature Drift | 0.005% of Full Scale/°C |
| HART Support | Yes |
| IOTA Options | CC-TAOX01, CC-TAOX11, CC-GAOX11, CC-GAOX21 |
| Redundancy | Supported with compatible IOTA configuration |
Honeywell’s specification lists CC-PAOH01 as the high-level analog output with HART module, with 16 channels and several compatible redundant and non-redundant IOTA options.

HONEYWELL CC-PAOH0
Key Features and Practical Value
- 16-channel 4–20 mA analog output in one Series C I/O module.
- HART capability supports compatible smart field instruments.
- Output read-back can identify discrepancies between commanded and actual output.
- Open-wire detection provides additional channel diagnostics.
- FAILOPT can be configured per channel to hold the last value or move to a defined safe value.
- Optional redundancy supports higher-availability Experion PKS architectures.
- Maximum documented resistive load is 800 Ω with the specified 24 V supply range.
This is a control-output module, not an analog input card. The practical question is whether the receiving field device expects a current command and whether the installed IOTA matches the Series C configuration.
Typical Applications
Typical applications include:
- Control valves
- Motorized actuators
- Variable-speed equipment interfaces
- Analog position commands
- Process recorders
- Industrial indicating devices
- Chemical and petrochemical process control
- Power and utility systems
The module is particularly useful where multiple 4–20 mA control loops need to be integrated into an existing Experion PKS Series C cabinet.
Related Models
CC-PAOX01 — Series C 16-channel analog output module with a different signal-feature configuration; Honeywell documentation distinguishes it from the HART-equipped CC-PAOH01.
CC-PAOH51 — Related Series C analog output module using a different HART/output architecture and option set.
CC-TAOX01 — Non-redundant 6-inch IOTA specified for compatible analog-output modules.
CC-GAOX11 — Redundant 12-inch IOTA used with compatible Series C analog-output configurations.
Installation and Maintenance
Before replacement, verify the complete part number, hardware revision, IOTA type, chassis position, output-channel assignment, and field-device wiring. The entered suffix “CC-PAOH0” should not be used as the final purchasing identification without confirming the missing character.
Photograph the terminal arrangement before removal. Record output scaling, alarm behavior, fail-state settings, and HART configuration where applicable.
After installation, test representative outputs with a calibrated current meter or loop simulator. A sensible check is 4 mA, 12 mA, and 20 mA, followed by verification of the actual field-device response. Where HART is used, verify digital communication separately.
Quality Inspection and Test Procedure
1. Inbound inspection
- Verify the full Honeywell part number and revision.
- Check serial number and nameplate.
- Inspect connectors, housing, and PCB area.
- Check for corrosion, overheating, impact damage, or previous repair evidence.
2. Live Test
Use a compatible Honeywell Experion PKS Series C test chassis.
- Power-up and diagnostic check
- Backplane communication verification
- Representative 4–20 mA output testing
- Output read-back verification
- HART communication test where applicable
- Open-wire diagnostic test where supported
- Extended powered operation where practical
- Generate a Test Report
3. Electrical Testing
Verify supply, grounding, continuity, and output behavior according to Honeywell procedures. Do not apply generic high-voltage tests without confirming the applicable module procedure.
4. Firmware and Configuration Verification
Record accessible hardware and firmware revisions. Photograph module identifiers and preserve the original output configuration before shipment.
5. Final QC
After QC sign-off, place the electronics in antistatic packaging with protective cushioning and a rigid carton. Attach the QC status and inspection date. Test photographs or video can be supplied as part of the shipment record.
Technical Replacement Pitfalls
Incomplete model number: The supplied “CC-PAOH0” is not the complete model identified in Honeywell’s official Series C specification. Confirm whether the intended part is CC-PAOH01.
IOTA mismatch: The module and termination hardware must be selected as a compatible pair. Honeywell lists separate IOTA options for redundant and non-redundant installations.
HART expectation: HART functionality should be confirmed from the complete module designation rather than assumed from a generic analog-output description.
Load resistance: Check the receiving loop resistance before commissioning. Honeywell specifies up to 800 Ω under the documented supply condition.
Fail-state configuration: “Hold last value” and “shed to safe value” have different process consequences. Confirm the original configuration before replacement.
ESD: Use a grounded antistatic wrist strap and ESD-safe work surface throughout handling.
Procurement Guidance
For an international MRO purchase, do not issue the purchase order as simply CC-PAOH0. Confirm the full Honeywell identification first; the strongest documented match is CC-PAOH01.
The quotation should state condition, hardware revision, test status, warranty, country of origin, lead time, and Incoterms. For customs documents, a precise description such as “Honeywell Series C 16-channel HART analog output module” is preferable to “electronic board.”
For China-bound shipments, keep the commercial invoice, packing list, physical label, and declared part number consistent.
Quick Conclusion
- The entered CC-PAOH0 appears incomplete.
- Honeywell’s official Series C documentation identifies CC-PAOH01 as a 16-channel high-level 4–20 mA analog output module with HART.
- It supports output read-back, open-wire detection, configurable fail behavior, and compatible redundant configurations.
- The associated IOTA and complete model code must be verified before replacement.
- For procurement, confirm the missing suffix before ordering.
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