HONEYWELL CC-PAIX01

Description

Product Overview and Description

The HONEYWELL CC-PAIX01 is a high-performance, single-channel analog input module from Honeywell’s renowned Experion PKS (Process Knowledge System) and older TPS (TotalPlant Solution) control system families. This module serves as a critical interface for connecting a single 4-20mA current loop field instrument to the C Series I/O subsystem, translating precise process variable measurements into digital data for the controller. Engineered for mission-critical process automation, the HONEYWELL CC-PAIX01 is designed to deliver exceptional accuracy, stability, and diagnostics in demanding environments like refineries, chemical plants, and power generation facilities. Its role in ensuring the integrity of a single, vital measurement point makes the HONEYWELL CC-PAIX01 a fundamental component for both system expansion and maintenance. The module’s robust design and intelligent features solidify Honeywell’s reputation for reliability, making the HONEYWELL CC-PAIX01 a trusted choice for safeguarding process integrity and enabling advanced control strategies.

Key Parameters and Specifications

• Manufacturer & System: Honeywell, for Experion PKS/TPS C Series I/O.
• Module Type: Single-Channel, Isolated Analog Input.
• Input Signal: 4 to 20 mA DC (current loop).
• Number of Channels: 1 (one) isolated channel per module.
• Isolation: 1500 VAC channel-to-channel and channel-to-system bus isolation.
• Accuracy: High accuracy, typically ±0.1% of span or better under calibrated conditions.
• Diagnostics: Comprehensive onboard diagnostics for open wire, short circuit, and out-of-range signals.
• Field Power: Can provide loop power (24V DC) to the connected 2-wire transmitter (sourcing), eliminating the need for external power supplies.
• Update Rate: Fast scan time suitable for demanding process control loops.
• Hot Swappable: Supports removal and insertion under power in a properly configured redundant C Series chassis.

Advantages and Distinctive Features

The HONEYWELL CC-PAIX01 offers distinct advantages in precision and reliability. Its foremost feature is high-density single-channel isolation, which prevents ground loops and noise from other signals, ensuring the purity and accuracy of each critical measurement—a vital requirement for safety instrumented functions and advanced regulatory control. The integrated loop power capability simplifies wiring and reduces points of failure in the field. Advanced diagnostics are a key strength of the HONEYWELL CC-PAIX01; it continuously monitors the health of the field loop, providing early warning of transmitter or wiring failures to operators and maintenance personnel, thereby enhancing process availability. The module’s hot-swap capability in redundant configurations, a hallmark of the C Series I/O, allows for maintenance without a process shutdown, maximizing uptime. The proven ruggedness and long-term stability of the HONEYWELL CC-PAIX01 make it a cornerstone for building resilient automation systems.

Application Cases in Key Fields

• Oil & Gas Refining: Measuring the precise pressure of a reactor vessel or the differential pressure across a critical control valve. The high isolation and accuracy of the HONEYWELL CC-PAIX01 are essential for safe and efficient operation.
• Chemical Processing: Interfacing with a pH analyzer or a corrosion monitoring probe in a batch process, where accurate measurement is crucial for product quality and recipe control.
• Pharmaceutical Manufacturing: Connecting a mass flow meter for ultra-precise ingredient dosing in a bioreactor, leveraging the module’s stable and diagnostic-rich input.
• Power Generation: Monitoring the 4-20mA output from a boiler drum level transmitter, a critical measurement for safety and efficiency in steam generation.

Comparison with Competing Products

Compared to standard multi-channel analog input cards found in many PLC systems, the HONEYWELL CC-PAIX01 emphasizes maximum integrity per point over point density. Competing multi-channel cards (e.g., from Allen-Bradley or Siemens) share common isolation and power for groups of channels, which is cost-effective but can pose a risk of cross-talk and common-mode failure. The HONEYWELL CC-PAIX01’s dedicated channel architecture is more akin to a single-channel safety system module, offering superior signal integrity. Within Honeywell’s own portfolio, it differs from the multi-channel CC-PAIM01 or the CC-PAIH01 high-speed module, being specifically optimized for applications where a single, highly critical measurement must be protected and monitored with the highest level of independence.

Selection Suggestions and Precautions

Selection Suggestions:

1. Select the HONEYWELL CC-PAIX01 for integrating a single, high-value or safety-critical 4-20mA field instrument into an Experion PKS or legacy TPS system.
2. It is the ideal choice when maximum signal integrity, isolation, and advanced diagnostics for that specific point are non-negotiable requirements.
3. Choose this module for applications where providing loop power from the I/O card simplifies design and improves reliability.

Important Precautions:

1. System Compatibility: Confirm your Experion/TPS system has a compatible C Series I/O chassis with the correct controller and software configuration to support this module type.
2. Configuration: The module must be properly configured within the Control Builder (or legacy TPS software) for the correct signal type (4-20mA), engineering units, and alarm limits. Incorrect configuration will lead to faulty readings.
3. Wiring Integrity: Use shielded, twisted-pair cables for the field connection and ensure proper grounding practices are followed at the system chassis to realize the full benefit of the module’s isolation.
4. Hot Swap Procedure: While hot-swappable in redundant chassis, strictly follow Honeywell’s documented procedures to avoid disturbing the redundant partner module or causing a controller fault.
5. Calibration: For ultimate accuracy, periodic calibration of the entire loop (transmitter and the HONEYWELL CC-PAIX01 input) using a precision current source is recommended, especially for custody transfer or safety-related points.

ABB 3HAC044168-001 PLC
DSQC652 ABB PLCPC
3HAC026254-001 ABB
ABB DSQC662 PLCDCS