The 8C-PAIN01 (Spare P/N: 51454356-175) is a premium differential analog input module engineered for the Honeywell Experion PKS Series 8 platform. It is specifically designed for high-precision signal acquisition, featuring 1000 VDC optical isolation to safeguard control logic from field-side electrical surges and ground loops.
Unlike standard single-ended input modules, the 8C-PAIN01 employs high-impedance differential voltage inputs, providing excellent common-mode noise rejection in electrically noisy industrial environments. It supports a wide variety of signal types, including bi-directional current and standard voltage loops, making it ideal for complex process monitoring in industries such as power generation and refining.
| Item | Specification |
|---|---|
| Model Designation | 8C-PAIN01 |
| Part / Spare Number | 51454356-175 |
| Input Architecture | High-impedance differential voltage, optically isolated |
| Isolation Rating | 1000 VDC |
| Configurable Input Ranges | −40 to +40 mA, 0–20 mA, 0–10 V |
| Input Impedance | > 10 MΩ |
| Conversion Accuracy | ±0.1% of Full Scale |
| Signal Resolution | 0.01% of Full Scale |
| Common Mode Rejection | > 120 dB @ 60 Hz |
| Overload Protection | 120% (2 s) / 150% (0.1 s) of Full Scale |
| Dimensions (W×H×D) | 5.1 × 26.7 × 17.8 cm |
| Net Weight | 0.5 kg |
The 8C-PAIN01 is ideal for applications where signal integrity is critical, including:
Monitoring high-voltage battery arrays
Measuring small voltage drops across shunt resistors
Precision analog loops in power plants and refineries
Its 1000 V isolation ensures that even in the event of a field-side fault, the C300 controller remains protected.
Q: What is the benefit of the differential input on the 8C-PAIN01?
A: The differential design measures the voltage difference between two points while rejecting common-mode voltage, greatly reducing EMI and noise errors.
Q: Does the 8C-PAIN01 support 4–20 mA loops?
A: Yes. The module can be configured for 0–20 mA or −40 to +40 mA, covering standard industrial 4–20 mA instrumentation.
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