HONEYWELL CC-PAIH51

Description

Technical Specifications:

• Product Model: CC-PAIH51 (8C-PAIH51 / 8U-PAIH51)

• Manufacturer: Honeywell (Honeywell Process Solutions)

• Product Type: Single-Ended Analog Input Module with HART

• Input Channels: 16 single-ended

• Signal Type: 4-20 mA (2-wire / self-powered transmitters)

• Input Impedance: 200 Ω

• A/D Resolution: 16-bit

• Scan Rate: 50 ms per channel

• Hardware Accuracy: ±0.075% FS at 23.5°C ± 2°C; ±0.15% FS at 0-60°C

• HART Support: Pass-Through, compatible with HART smart instruments

• Common Mode Rejection Ratio (CMRR): 70 dB (DC-60 Hz, 500 Ω source imbalance)

• Channel Crosstalk: ≤ -60 dB (DC-60 Hz)

• Operating Temperature: 0°C to +60°C

• Storage Temperature: -40°C to +85°C

• Power Supply: 24 V DC ±10%

• Power Consumption: 4.3 W typical (180 mA @ 24 V DC)

• Weight: 0.37 kg

• Installation: Standard Series C I/O rack slot

• Compatible Systems: Experion PKS, PlantCruise, C300 Controller

• Certifications: ATEX, IEC 61508 SIL 2, Class I Div. 2

Functional Features:

• High-Precision Acquisition: 16-bit resolution combined with ±0.075% full-scale accuracy ensures precise acquisition of temperature, pressure, flow, and level process parameters

• HART Pass-Through Integration: Built-in HART protocol pass-through eliminates the need for additional hardware to read smart transmitter configuration and diagnostic information, supporting remote parameter calibration and fault troubleshooting

• Superior Anti-Interference: 70 dB CMRR with low crosstalk design effectively suppresses electromagnetic interference and ground potential differences

• High-Density Integration: 16 channels per single module reduces I/O card count and cabinet footprint

• Industrial-Grade Design: SIL 2 safety certification with wide operating temperature range

Performance Parameters:

• Sampling Rate: 10-100 Hz

• Analog Input Range: 0-20 mA, 4-20 mA, 0-10 V (configurable)

• Response Time: Analog <10 ms

• Isolation: Channel-to-channel and module-to-system ≥1000 V

• MTBF: High-reliability industrial-grade design for long-term continuous operation

Material Composition:

• Enclosure: Metal shielding shell (aluminum or stainless steel construction)

• Protection Rating: IP20

• Internal Circuitry: Signal filtering and wide-temperature stability optimization

Structural Features:

• Modular hot-swappable design enabling module replacement without system shutdown

• Front panel LED status indicators for power, I/O status, and fault alarm

• Isolation design effectively suppresses industrial electromagnetic interference

• Series C form factor with IOTA (Input/Output Termination Assembly) mounting interface

Working Principle:
The module receives 4-20 mA current signals from field transmitters and sensors, passes them through a 200 Ω input impedance circuit, and converts them to digital values using a 16-bit A/D converter. The HART pass-through functionality superimposes digital communication on the analog 4-20 mA loop, enabling two-way communication with smart instruments without interrupting the analog signal. The converted digital data is transmitted via the Series-C bus interface to the C300 controller for processing and control.

Advantages & Strengths:

• Eliminates need for separate HART multiplexers, reducing system complexity and cost

• Supports redundant configuration with bumpless transfer

• 70 dB CMRR ensures signal stability in high-interference environments

• SIL 2 certification for safety-critical applications

• High-density 16-channel design minimizes cabinet space requirements

Applicable Industries:

• Petrochemical: Refining, ethylene, synthetic ammonia plants – smart instrument signal acquisition and HART communication

• Power Generation: Thermal power plants, hydroelectric stations, substations – boiler, turbine, generator parameter monitoring

• Metallurgy: Blast furnaces, converters, continuous casting production lines

• Pharmaceutical/Food: Clean production workshops requiring high-precision process control

Model Series: Experion Series C I/O / C300 Controller I/O Expansion Series

Installation Requirements:

• Install in standard Series C I/O rack with adequate ventilation

• Distinguish between 2-wire and self-powered transmitter wiring configurations

• Configure channel range and HART parameters through system software after power-on

• For redundant configurations, wire primary and backup modules independently for bumpless transfer

Usage Precautions:

• Perform daily inspection of module status LEDs – confirm no alarms and stable signals

• Ensure proper ventilation and avoid high-temperature environments

• Follow wiring diagrams strictly to prevent connection errors

• Operating humidity: 5%-95% RH (non-condensing)