Description
Product Introduction
The Honeywell CC-PAIH02 is a high-density, 16-channel analog input module designed for Honeywell Experion PKS Series C I/O architecture. Operating alongside C300 controllers, the CC-PAIH02 digitizes standard 4–20mA process signals from field transmitters while providing full HART pass-through communications for advanced field device diagnostics and asset management systems (AMS).
Unlike legacy I/O designs that rely on external multiplexers for smart instrument data, the CC-PAIH02 handles both high-speed process variable updates and HART digital overlays directly on every channel. Its distinctive angled Series C form factor reduces cabinet heat buildup and simplifies wiring, making it an essential processing card for critical control loops in refining, chemical production, and power generation environments.
Key Technical Specifications
| Parameter | Specification |
| Manufacturer | Honeywell |
| Model | CC-PAIH02 (P/N: 51405038-175) |
| System Family | Experion PKS Series C I/O |
| Input Channels | 16 Channels (Single-Ended) |
| Signal Range | 4 to 20 mA DC / 0 to 20 mA DC |
| Digital Communication | HART v6 / v7 Protocol Pass-Through |
| A/D Resolution | 16-Bit Sigma-Delta Converter |
| Redundancy Support | Yes (Requires Redundant Input Block & Dual Modules) |
| Galvanic Isolation | 1500V DC Channel-to-Logic Isolation |
| Power Consumption | ~3.2 W @ 24V DC Bus Power |
Application Scenarios & The “Trench” Experience
When a main refining column loses its pressure and temperature transmitter loops simultaneously, the C300 controller loses its eyes. In our field experience, a chemical plant faced intermittent loop dropouts on an entire bank of flowmeters due to a failed analog input card on an older I/O rack. The plant was hours away from an emergency trip. Swapping in a fresh Honeywell CC-PAIH02 module onto the Series C IOTA terminal assembly cleared the channel faults immediately, restoring full HART telemetry without taking the C300 CPU offline.
- Petrochemical & Oil Refining – Continuous Process Control – Ingests critical pressure, temperature, and level 4-20mA signals for real-time safety interlocks.
- Power Generation Facilities – Boiler & Steam Loop Diagnostics – Captures high-accuracy analog transmitter data while pulling HART calibration records into the asset manager.
- Pharmaceutical Manufacturing – Batch Reactor Monitoring – Utilizes 16-bit A/D precision to maintain strict batch temperature tolerances.
- Offshore Production Platforms – Compact Control Cabinets – Exploits the high channel density and low heat dissipation of Series C hardware in space-constrained control rooms.
CC-PAIH02
CC-PAIH02
Transparency SOP: Quality Assurance & Testing
We don’t just ship boxes; we test Series C hardware on live Honeywell racks before dispatch:
- Inbound & Anti-Counterfeit Inspection: Inspecting the enclosure, ground clips, multi-pin backplane connector, and OEM serial barcodes under high magnification.
- Backplane Handshake & Power-On Test: Mounting the CC-PAIH02 onto an active Experion Series C IOTA (Input Output Terminal Assembly) to verify power distribution and hardware handshakes.
- Multi-Channel Precision Loop Calibration: Injecting calibrated 4.0mA, 12.0mA, and 20.0mA signals across all 16 channels to confirm A/D converter linearity and accuracy within ±0.1% of span.
- HART Protocol Pass-Through Test: Communicating with a smart transmitter on test channels using a HART communicator to confirm digital signal pass-through.
- ESD Cleaning & Moisture-Proof Packaging: Cleaning gold edge contacts with isopropyl alcohol and vacuum-sealing the module in heavy anti-static ESD bags with fresh desiccant.
The Veteran’s Tech Trap Guide (Crucial Value-Add)
⚠️ Watch Your IOTA Selection! The CC-PAIH02 must pair with the correct Input Output Terminal Assembly (IOTA)—typically the CC-TAIX01 or CC-TAIX11 for redundant setups. Verify that your field wiring terminal block matches the CC-PAIH02 pin layout before seating the module.
❗ Mind the Grounding Clips! The Series C modules rely on rear grounding clips to bond with the DIN rail ground plane. If these clips are bent or oxidized during a rapid field replacement, you will introduce severe common-mode electrical noise into your 4-20mA signals.
⚠️ Confirm Firmware / Block Revision: When dropping a replacement CC-PAIH02 into an existing Experion system running older software (e.g., R400 vs R511), ensure the module revision matches the I/O module load definition in Control Builder. A revision mismatch can cause the block to remain in an “unconfigured” state.
Frequently Asked Questions (FAQ for Conversion)
Q: Can I hot-swap the Honeywell CC-PAIH02 while the Experion system is powered?
A: Yes. Series C I/O modules support RIUP (Removal and Insertion Under Power). You can unlatch and pull the CC-PAIH02 off the IOTA base without shutting down power to the C300 controller or adjacent modules.
Q: What is the difference between CC-PAIH01 and CC-PAIH02?
A: The CC-PAIH02 is an updated hardware revision offering improved component longevity, better noise immunity, and enhanced HART signal processing capability compared to the legacy CC-PAIH01.
Q: Does the CC-PAIH02 supply transmitter loop power directly?
A: Yes, depending on the wiring configuration on the supporting IOTA. The module and IOTA combination can provide 24V DC loop power to 2-wire transmitters or process signals from self-powered 4-wire devices.
Q: Why purchase New Surplus or Refurbished CC-PAIH02 modules instead of buying direct from Honeywell?
A: Lead times for factory-new DCS hardware can stretch into many months. Sourcing bench-tested surplus or reconditioned modules provides immediate delivery to resolve emergency plant shutdowns at a lower cost.
Q: What warranty is provided on this CC-PAIH02 module?
A: All CC-PAIH02 modules supplied carry a full 12-month functional replacement warranty. If the module experiences hardware or channel failure under standard operating conditions within one year, we replace it or refund your purchase.
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