Description
Honeywell CC-PAOH01 | HART Analog Output Module Category ID
Product Introduction
While digital control logic happens in fractions of a millisecond, the physical movement of heavy control valves relies entirely on the steady delivery of loop current. The CC-PAOH01 bridges this gap, providing high-availability analog output processing directly inside the Series-C chassis architecture without requiring an unwieldy external marshalling framework.
Maintaining valve positioning accuracy under severe thermal stress separates standard hardware from dependable control components. The CC-PAOH01 handles 16 independent loops with built-in HART multiplexing capabilities, ensuring real-time diagnostic transparency straight from your final control elements (—though your mileage may vary depending on cabinet temp and active ventilation).

CC-PAOH01
4. Key Technical Specifications
| Parameter | Technical Specification |
| Output Channels | 16 isolated current output channels |
| Output Signal Range | 4-20 mA (Directly settable range: 0 mA, 2.9 mA to 21.1 mA) |
| HART Protocol Support | Yes (integrated modems for multi-variable collection) |
| Calibrated Accuracy | \pm 0.35\% of full scale at 25^\circC (including linearity) |
| Output Current Linearity | \pm 0.05\% of full scale nominal |
| Output Temperature Drift | 0.005\% of full scale/^\circC |
| Maximum Resistive Load | 800\,\Omega at 24 VDC supply |
| Step Response Time | Settles to within 1% of final value in 80 ms max |
| Operating Temp Range | -40^\circC to +70^\circC |
Application Scenarios & Pain Points
- Critical Petrochemical Valve Control: Spurious valve drops can shut down an entire crude distillation unit; the CC-PAOH01 utilizes configurable fail-safe parameters (FAILOPT) to hold last value or shed safely during communication hiccups.
- A “With vs. Without” Contrast: Without built-in HART pass-through on your output cards, pulling diagnostic data from smart control valves requires separate multiplexer hardware and messy wiring loops. With the CC-PAOH01, HART data streams natively through the system node.
- High-Density Rack Expansions: Tight control room footprints leave zero room for error during cabinet upgrades. The CC-PAOH01 mounts cleanly onto Series-C termination assemblies to maximize channel density per square inch.
QA & Live Testing SOP (Trust Signal)
We treat surplus industrial hardware with strict scrutiny. Every CC- undergoes a rigorous multi-stage evaluation before hitting our inventory shelf. First, we verify physical OEM seals and inspect backplane pin integrity under magnification. Next, we drop the CC- onto a live test rack running a compatible controller node, executing loop calibration checks and verifying HART handshakes across all 16 channels. Finally, the card is wrapped in dissipative ESD-safe packaging to ensure it survives transit straight to your plant floor.
Field Engineer’s Pitfall Guide
- ❗ Firmware Revision Mismatch: Dropping a newer revision CC- onto an outdated controller backplane without verifying the system software tree can trigger communication faults. Check your node configuration files before initiating a hot-swap.
- ❗ FAILOPT Configuration Errors: Always verify your channel-level safe-state settings (Hold Last Value vs. Shed to Zero) in the configuration builder before commissioning to prevent erratic valve movement during a processor fault.
- ❗ Maximum Load Impedance: Exceeding an 800\,\Omega loop load with a 24 VDC supply will drive the CC- out of compliance, resulting in saturated output current and control loss.
Intent-Driven FAQ
- Can I hot-swap the CC- without crashing the rack?
Yes, the Series-C architecture supports hot-swapping under normal operating conditions, provided you follow proper hardware release procedures and ensure the replacement card matches your exact configuration.
- Is the CC- compatible with older controller firmware revisions?
Compatibility depends on your specific system profile release. Verify your node builder database version, as older software loads may require a minor patch to correctly map the 16 HART output channels of the CC-.
- How do you verify the authenticity of surplus units?
Every CC- we supply is sourced directly from decommissioned industrial inventory, verified for original component markings, and bench-tested under power.
- What is the standard warranty on this module?
We back every CC- unit with a comprehensive 12-month replacement warranty covering any functional defects.
- Does the CC- support open-wire detection?
Yes, the module detects open field wiring and annunciates a channel soft-failure indication directly back to the controller database.


