Description
Honeywell CC-PAIX02 | High-Level Analog Input Module Category ID
Product Introduction
While standard single-ended cards suffice for benign office environments, heavy industrial units demand superior noise rejection—which is precisely where the CC-PAIX02 earns its keep. Operating natively inside the Series-C architecture, this unit bridges complex field instrumentation with high-availability controllers without wasting precious cabinet inches.
Dealing with ground potential differences across sprawling plant layouts can easily corrupt process variables. The CC-PAIX02 deploys a robust differential input structure alongside 16-bit analog-to-digital conversion precision, ensuring your control strategy receives clean data even when common-mode voltages fluctuate (—though your mileage may vary depending on cabinet temp and active ventilation).

CC-PAIX02
4. Key Technical Specifications
| Parameter | Technical Specification |
| Input Channels | 16 total (12 single-ended, 4 differential) |
| Input Signal Range | 0-5 V, 1-5 V, 0.4-2 V, and 4-20 mA (via 250\,\Omega shunt) |
| A/D Converter Resolution | 16 bits |
| Input Scan Rate | 50 ms |
| Hardware Accuracy | \pm 0.075\% of full-scale (23.5^\circC), \pm 0.15\% (0 to 60^\circC) |
| Common Mode Rejection Ratio | 70 dB (DC to 60 Hz with 500\,\Omega source imbalance) |
| Common Mode Voltage | -6 V to +5 V peak (DC to 60 Hz) |
| Input Impedance | >10 M\Omega (Voltage inputs) |
| Operating Temp Range | 0^\circC to +60^\circC |
5. Application Scenarios & Pain Points
- Distillation Column Instrumentation: Long cable runs spanning multiple structural levels are notoriously prone to ground loops; deploying the differential channels on the CC-PAIX02 cuts out induced ground noise completely.
- A “With vs. Without” Contrast: Without proper differential isolation, common-mode voltage spikes from nearby variable frequency drives can wash out low-level analog values, triggering false controller alarms. With the CC-PAIX02, those transient disturbances are effectively rejected at the hardware layer.
- High-Density Marshaling Retrofits: Replacing obsolete analog racks without rewiring every field device requires exact form-factor matching. The CC-PAIX02 mounts cleanly onto existing Series-C IOTAs to cut down cutover windows.
6. 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, injecting precise voltage and current ramps to validate channel linearity and communication handshakes. Finally, the card is wrapped in dissipative ESD-safe packaging to ensure it survives transit straight to your plant floor.
7. 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.
- ❗ Shunt Resistor Placement: When configuring channels for 4-20mA current loops, verify that the external or internal 250\,\Omega precision resistor is correctly seated on the IOTA to prevent open-circuit faults.
- ❗ Differential vs. Single-Ended Mapping: Ensure your software channel configuration matches how the physical field wires are terminated on the IOTA (keeping differential pairs isolated to the designated 4 channels) to avoid measurement errors.
8. 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 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 this module support HART protocol pass-through?
No, the CC- is designed for standard high-level analog monitoring; if you require direct HART multiplexing, look toward dedicated HART-enabled variants in the Series-C lineup.

