HONEYWELL CC-PAIH51

Description

Product Description

HONEYWELL CC-PAIH51 is an analog input module for the Honeywell Experion Process Knowledge System (PKS) and earlier TPS (TotalPlant Solution) systems. This module is a critical component within a Honeywell C Series I/O pack, specifically designed for the FTE (Fault Tolerant Ethernet) or legacy I/O architecture. The primary function of the HONEYWELL CC-PAIH51 is to provide high-accuracy, isolated measurement of analog current signals, predominantly the industry-standard 4-20 mA, from field transmitters. It converts these analog signals into digital values for use by the Experion controllers (C200, C300) in regulatory control, advanced process control, and safety applications. The reliability and precision of modules like the CC-PAIH51 are foundational for precise process monitoring and control in continuous process industries. For system engineers maintaining or expanding a Honeywell DCS, the CC-PAIH51 is a vital spare part that ensures the integrity of the data acquisition layer.

Product Parameters / Technical Specifications

• Manufacturer: Honeywell
• System: Experion PKS / TPS (C Series I/O)
• Functional Designation: Analog Input Module (High Density, 4-20 mA)
• Input Type: 4-20 mA DC (current loop input).
• Input Channels: High-density module providing either 8 or 16 isolated input channels (the “H” in PAIH often denotes High Density).
• Input Impedance: Low input impedance (typically 250 Ohms) to properly load a 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: Comprehensive diagnostics including open wire detection (by monitoring loop current below a threshold), over-range, and module health.
• Communication: Interfaces with the Experion controller via the C Series I/O bus (mounted in a carrier such as the CC-PCF901).
• Power Supply: Powered by the carrier module, which derives power from the FTE network or I/O link.

Advantages and Key Features

• High Density and Reliability: Packs a large number of highly reliable analog points into a single module slot, optimizing cabinet space and reducing system complexity.
• Superior Signal Integrity: Excellent noise immunity and isolation ensure accurate measurement in electrically noisy industrial environments, which is critical for the HONEYWELL CC-PAIH51‘s role in process control.
• Advanced Diagnostics: Built-in open wire detection is a key feature, providing immediate notification of a broken sensor or cable without needing additional hardware. This enables predictive maintenance and prevents process deviations.
• Hot-Swappable Design: The module can be replaced online without shutting down the associated controller or process, supporting maximum plant availability.
• Seamless Experion Integration: Fully recognized and configured within the Experion Control Builder (ECB) engineering software. Configuration data is stored in the controller, making module replacement straightforward.
• Robust Industrial Design: Built to withstand the harsh conditions of process plants with high MTBF (Mean Time Between Failures).

Application Cases in Industry

• Refinery & Petrochemical Processes: Used to measure pressures, temperatures, flows, and levels from 4-20 mA transmitters across distillation columns, reactors, and storage tanks.
• Oil & Gas Production: Interfaces with transmitters on wellheads, separators, and compressors for production monitoring and control.
• Pharmaceutical & Fine Chemicals: Provides precise measurement for batch reactors, distillation, and filtration processes where recipe integrity depends on accurate sensor data.
• Power Generation (Balance of Plant): Monitors analog parameters in water treatment, fuel handling, and emissions monitoring systems.

Comparison with Competing Products

Selection Suggestions and Precautions

1. Verify I/O Carrier Compatibility: The HONEYWELL CC-PAIH51 must be installed in a compatible C Series carrier module (e.g., CC-PCF901). Ensure the carrier type matches your system’s I/O architecture (FTE or legacy).
2. Check Signal Type and Density: Confirm this module is for 4-20 mA inputs. Honeywell has variants for voltage, RTD, etc. (e.g., CC-PAIM01 for mixed signals). Also, verify if you need an 8-channel or 16-channel variant, as both may share the CC-PAIH51 base number.
3. Open Wire Detection Consideration: Utilize the module’s open wire detection feature. Ensure the connected transmitter is compatible (most 2-wire 4-20mA transmitters are). Configure the alarm thresholds appropriately in Control Builder.
4. Proper Field Wiring 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 terminals are tightened to the correct torque.
5. Firmware and Series Compatibility: Be aware of the module series (e.g., early vs. later C Series). While often physically compatible, verify with system documentation or Honeywell support to ensure functional compatibility with your controller firmware.
6. Sourcing from Authorized Channels: Due to its critical role in process control and the proprietary nature of DCS components, source the CC-PAIH51 from authorized Honeywell distributors or highly reputable surplus specialists who understand the Experion platform.

P0500SE-FOXBORO
P0500SR-FOXBORO
P0500UM-FOXBORO
P0500UX-FOXBORO
P0500UY-FOXBORO
P0500WX-FOXBORO
P0500XL-FOXBORO