Product Description
The Honeywell 8C-PAIHA1 51454470-275 Analog Input Module provides precise signal acquisition for process monitoring and control. It supports high-level current inputs from a variety of industrial transmitters and sensors. Moreover, it includes HART communication, enabling additional diagnostics and configuration data exchange for smart field devices.
The module’s fast scan rate ensures real-time response, while onboard excitation power simplifies installation by eliminating separate marshalling supplies. Its galvanic isolation guarantees signal integrity and safety against transient disturbances in demanding process environments.
Functional Highlights
- HART-Enabled Design: Communicates with multivariable field transmitters for extended diagnostics and data retrieval.
- Optional Redundancy: Increases system reliability through backup configuration capability.
- Built-In Diagnostics: Continuous self-checking ensures consistent performance and early fault detection.
- High Accuracy: ±0.075% of full scale at room temperature for stable signal quality.
- Flexible Power Options: Supports internal or external field power configurations.
- Safe Under Power: Modules can be inserted or removed without system shutdown.
- Robust Isolation: 1000 VAC RMS galvanic isolation protects against noise and surges.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model / Type | 8C-PAIHA1 (51454470-275) |
| Input Type | Current (2-wire or self-powered transmitters) |
| Input Channels | 16 channels (single-ended) |
| A/D Resolution | 16 bits |
| Input Range | 4–20 mA through 250 Ω |
| Module Voltage | 24 VDC |
| Current Rating | 110 mA |
| CMRR | 70 dB (dc–60 Hz, 500 Ω imbalance) |
| Common Mode Voltage | –6 V to +5 V peak |
| Normal Mode Rejection | 19 dB (at 60 Hz) |
| Input Scan Rate | 50 ms |
| Accuracy (23.5 ± 2 °C) | ± 0.075 % FS |
| Accuracy (0–60 °C) | ± 0.15 % FS |
| Isolation Rating | 1000 VAC RMS or ± 1000 VDC |
| Isolation Method | iCoupler in IOM |
| Max Input Voltage | ± 30 V (no damage) |
| Crosstalk | –60 dB (channel to channel, 60 Hz) |
| Module Type | Analog Input with HART (16), coated |
Note: The module does not support differential or voltage inputs. System-to-field isolation is active only when using external user-supplied power.
System Integration
The Honeywell 8C-PAIHA1 integrates seamlessly into Experion and C300 control platforms, offering accurate process variable measurement and efficient communication through HART. It suits critical applications in oil refining, power generation, chemical production, and water treatment systems.
In addition, the module’s self-diagnostics and modular design reduce maintenance downtime and simplify scalability. For instance, operators can expand channel capacity or enable redundancy without affecting running operations.
Details
| Weight | 0.6 kg |
|---|
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