HONEYWELL CC-TAIX01

Description

Product Description

HONEYWELL CC-TAIX01 is an Analog Input Module for the Honeywell Experion Process Knowledge System (PKS) and earlier TPS systems, specifically designed for the C Series I/O architecture. This module is a fundamental data acquisition component that interfaces directly with field transmitters. The primary function of the HONEYWELL CC-TAIX01 is to convert standard 4-20 mA analog signals from process sensors—measuring parameters like pressure, temperature, level, and flow—into high-resolution digital values for use by the Experion controllers (C200, C300). It provides the critical first step in the control loop by accurately digitizing field data. The reliability and precision of modules like the CC-TAIX01 are essential for effective process monitoring, regulatory control, and safety system inputs. For system engineers, the HONEYWELL CC-TAIX01 represents a core, reliable building block for process input connectivity.

Product Parameters / Technical Specifications

• Manufacturer: Honeywell
• System: Experion PKS / TPS (C Series I/O)
• Functional Designation: Analog Input Module (4-20 mA)
• Input Type: 4-20 mA DC (current loop input).
• Input Channels: Typically provides 8 or 16 isolated input channels per module.
• Input Impedance: Low input impedance (typically 250 Ohms) to properly load a standard 4-20 mA transmitter loop.
• Isolation: Channel-to-channel and channel-to-system isolation to prevent ground loops and noise interference.
• Accuracy: High accuracy, typically ±0.1% of full scale or better, suitable for demanding process control.
• Diagnostics: Includes comprehensive diagnostics such as open wire detection (current below threshold, e.g., < 3.6 mA), over-range, under-range, and module health.
• Communication: Interfaces with the Experion controller via the C Series I/O bus when installed in a compatible carrier module (e.g., CC-PCF901).
• Power Supply: Powered by the carrier module. Crucially, it does NOT provide loop power (24VDC) to the field transmitters; they require an external power supply.

Advantages and Key Features

• High Reliability and Accuracy: Designed for stable, long-term operation with high precision, ensuring the integrity of the process measurement data used for control and safety decisions.
• Advanced Diagnostic Capabilities: The integrated open wire detection is a key feature of the HONEYWELL CC-TAIX01, providing immediate notification of a broken sensor or cable, enabling rapid troubleshooting and preventive maintenance.
• Hot-Swappable Design: Supports online insertion and removal (subject to system design), allowing for module replacement without requiring a process shutdown, which maximizes plant availability.
• Seamless Experion Integration: Fully configured and monitored within the Honeywell Control Builder engineering software. The I/O points become native tags in the unified system database.
• Robust Industrial Design: Built to withstand the electrical noise, vibration, and temperature variations typical of industrial environments.
• Proven Performance: A widely used and trusted module within Honeywell’s large installed base across critical industries.

Application Cases in Industry

• Process Variable Monitoring: The primary application for the CC-TAIX01 is to read 4-20 mA signals from pressure, temperature, level, and flow transmitters across refinery units, chemical reactors, and power plant systems.
• Safety Instrumented System (SIS) Inputs: Used to provide analog input signals to Safety Manager or other safety systems for variables that require monitoring for trips or alarms (e.g., high pressure, high temperature).
• Equipment Health Monitoring: Interfaces with vibration transmitters, motor current transducers, and other condition monitoring devices to feed data into the plant’s predictive maintenance system.
• Batch and Continuous Control: Provides the essential process variable feedback for PID controllers executing regulatory control loops in both batch and continuous processes.

Comparison with Competing Products

Selection Suggestions and Precautions

1. Verify Carrier Module Compatibility: The HONEYWELL CC-TAIX01 must be installed in a compatible C Series carrier module (e.g., CC-PCF901). Ensure the carrier type matches your system’s I/O network (FTE, legacy I/O).
2. Critical: Provide External Transmitter Power: This is a sinking input module. It does NOT supply 24VDC loop power. You must provide an external, isolated 24VDC power supply for each connected 2-wire transmitter. Incorrect wiring is a common error.
3. Utilize Open Wire Detection: Configure the open wire alarm thresholds in Control Builder. This vital diagnostic feature turns a simple input module into a predictive maintenance tool.
4. Adhere to Wiring Best Practices: Use shielded, twisted-pair cable for all analog signals. Ground the cable shield at the DCS cabinet end only to prevent ground loops. Ensure proper terminal torque.
5. Map I/O Points Correctly in Software: Ensure the hardware channel assignments in Control Builder match the physical wiring to the CC-TAIX01. Incorrect software mapping will lead to erroneous data in the control system.
6. Sourcing from Authorized or Specialized Suppliers: Source this module from authorized Honeywell distributors or from highly reputable surplus specialists with proven expertise in Honeywell DCS systems to ensure you receive a genuine, functional module.

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