Module Overview
The Honeywell 8C-PAIH51 (51454352-175) is a 16-channel analog input module engineered for precise current measurement and HART-enabled data communication. It supports both 2-wire and self-powered transmitters, ensuring flexible field integration. Moreover, its embedded diagnostics enhance reliability, while redundancy support increases overall system uptime.
This module is part of the Honeywell Experion and C300 process control systems, providing seamless integration with HART-capable field devices for advanced monitoring and control.
Key Functional Advantages
The 8C-PAIH51 combines powerful functionality with durable design for critical industrial applications:
| Feature | Description |
|---|---|
| Input Type | 4–20 mA analog current inputs (2-wire or self-powered) |
| Input Channels | 16 single-ended channels |
| HART Support | Enables communication with HART multivariable instruments |
| Redundancy Options | Works with 8C-TAIX61 redundant IOTA modules |
| Diagnostics | Built-in self-diagnostics for fast issue detection |
| Field Power | Supplies loop power without external marshalling |
| Hazardous Area Rating | Division 2 non-incendive certified |
| Accuracy | ±0.075% FS at 23.5°C ±2°C |
In addition, each input channel provides stable performance under varying temperature and load conditions, ensuring consistent measurement accuracy across extended operations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Range | 4–20 mA via 200 Ω precision resistor |
| A/D Converter | 16-bit resolution |
| Input Scan Rate | 50 milliseconds |
| Normal Mode Rejection | 19 dB at 60 Hz |
| Filter Response | Single-pole RC, -3 dB at 6.5 Hz |
| Crosstalk | -60 dB (DC to 60 Hz) |
| Max Input Voltage | ±30 V (no damage) |
| Field Protection | Individually fused, current-limited circuits |
| Operating Temperature | 0°C to +60°C |
| Mounting | IOTA backplane, 6-inch or 12-inch variant |
Therefore, this module ensures stable signal conditioning, high-speed sampling, and excellent protection against transient voltages or wiring faults.
System Integration & Applications
The 8C-PAIH51 integrates effortlessly into Honeywell control platforms and supports a wide range of process automation tasks. Its field power conditioning and HART support make it suitable for:
- Oil and Gas: Flow, pressure, and temperature measurement loops.
- Power Generation: Turbine and boiler instrumentation feedback.
- Water Treatment: Monitoring pH, conductivity, and flow transmitters.
- Chemical & Petrochemical: Process variable control and alarm management.
Moreover, its plug-in compatibility with redundant and non-redundant IOTAs simplifies expansion, ensuring smooth plant modernization.
Details
| Weight | 0.3 kg |
|---|
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