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- Honeywell
- 8C-PA2H51
- Analog Input Module
- USA
- 178 mm × 100 mm × 74 mm
- 0.8kg
- Xiamen, China
- New & In Stock
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🏷 Brand & Series
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Brand: Honeywell
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Series / Platform: 8C series (industrial I/O / control modules)
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Module Type: PA2H51 (a specialized control / regulation / I/O type)
📘 Product Introduction — Honeywell 8C‑PA2H51
The 8C‑PA2H51 is an advanced industrial control module used for temperature regulation, monitoring, or control in harsh environments. It incorporates features for PID automatic control, signal input and output interfaces, and integration into industrial automation systems. It is engineered for durable performance under wide temperature extremes and fluctuating supply voltages, making it suitable for process industries, utilities, and facility automation.
This module functions as a controller / regulation module that can read inputs, execute control logic (e.g. PID), and output control signals to actuators. It’s often used in closed-loop control loops (temperature, pressure, flow) in industrial systems.
From available spec summaries:
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Input voltage: 120–240 V AC, 50–60 Hz (for module supply)
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Output power: ~10 W
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Operating temperature: –40 °C to +85 °C
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Resolution: 0.1 °C
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Accuracy: ±0.5 °C
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Protection: IP65 rated enclosure
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Response time: <1 second
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Designed for industrial temperature control and regulation
These characteristics indicate it’s a mid-capacity controller module suited for field or panel mounting.
🔧 Applications
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Temperature control loops (heaters, coolers)
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Industrial ovens, furnaces, thermal chambers
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Environmental control in process units
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HVAC & building systems where industrial grade control is needed
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Chemical reactors with temperature regulation
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Utility systems (boiler control, steam systems)
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OEM machinery embedding temperature regulation function
✅ Product Advantages
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Wide supply voltage range (120–240 V AC) provides flexibility in deployment.
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High environmental resilience: capable of operating from –40 °C to +85 °C, useful in harsh settings.
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Integrated controller function: supports PID automatic regulation, reducing need for external controller.
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Precision control: 0.1 °C resolution and ±0.5 °C accuracy give fine control.
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Robust protection: IP65 enclosure, designed to resist dust and water ingress.
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Compact power draw: ~10 W rating implies efficiency for embedded systems.
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Fast response: <1 second response time is suitable for many thermal loops.
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Industrial compatibility: Designed to integrate with standard 8C I/O architecture and control systems.
📊 Technical Specifications – 8C‑PA2H51
Below is a summary of known and inferred parameters:
| Parameter | Specification (Estimated / Known) |
|---|---|
| Model | 8C‑PA2H51 |
| Supply Voltage | 120–240 V AC, 50/60 Hz |
| Output Power | ~10 W |
| Operating Temperature | –40 °C to +85 °C |
| Resolution | 0.1 °C |
| Accuracy | ±0.5 °C |
| Response Time | < 1 second |
| Protection / Enclosure | IP65 |
| Dimensions (W × H × D) | ~178 mm × 100 mm × 74 mm (extrapolated from similar modules) |
| Weight | ~0.8 kg (estimated) |
| Control Method | PID automatic control |
| Environmental Humidity | 0% to 95% RH (non-condensing) |
🔁 Related / 8C Series or Comparable Modules
Here are five modules in the same 8C family or with related functions:
| Model | Function / Type | Supply / I/O Type | Dimensions / Weight (approx) |
|---|---|---|---|
| 8C‑PAIHA1 | Analog Input Module with HART | 24 V DC, signal inputs | 178 × 100 × 74 mm, 0.8 kg |
| 8C‑PAOH51 | Analog Output Module (HART) | Outputs 4–20 mA | 139 × 114 × 100 mm, 0.3 kg |
| 8C‑PAOHA1 | Advanced Analog Output Module | HART-enabled | ~similar size, heavier module |
| 8C‑PAINA1 | Analog Input (multi‑channel) | 0–10 V / 4–20 mA | 164 × 123 × 91 mm, ~0.8 kg |
| 8C‑PAIH51 | High‑Performance Analog Input | 0–10 V / 4–20 mA with HART |
🌟 Popular Honeywell / 8C Modules (Same Brand)
Here are five modules that are often paired or comparable in deployment within Honeywell / 8C systems:
| Model | Role / Function | Key Feature or Use |
|---|---|---|
| 8C‑PAIHA1 | Analog Input (HART) | Input measurement, field sensor interface |
| 8C‑PAOH51 | Analog Output (HART) | Drive 4–20 mA output devices |
| 8C‑PAOHA1 | Advanced Output | Enhanced analog output for control |
| 8C‑PAINA1 | Multi-channel Analog Input Module | For handling multiple sensor inputs |
| 8C‑PAIH51 | High-Performance Input | Better accuracy, industrial grade |
❓ Frequently Asked Questions (QA) — 8C‑PA2H51
Q1: What is the primary function of the 8C‑PA2H51 module?
A1: It is a temperature regulation / control module that reads inputs, executes control logic (e.g. PID), and outputs control signals.
Q2: What supply voltages can it accept?
A2: It supports 120–240 V AC input supply.
Q3: What is its operating temperature range?
A3: From –40 °C up to +85 °C.
Q4: What is its resolution and accuracy?
A4: Resolution is 0.1 °C, and accuracy is ±0.5 °C.
Q5: What is the response time of the module?
A5: It responds in under 1 second in many control scenarios.
Q6: What enclosure protection does it provide?
A6: It is rated IP65, so protected against dust and low-pressure water jets.
Q7: What kind of mounting is typical?
A7: Panel or DIN rail mounting in control cabinets is typical.
Q8: Is it suitable for harsh or outdoor environments?
A8: Yes, with its wide temperature tolerance and IP65 protection, it can be used in demanding locations.
Q9: Can it be integrated with other Honeywell 8C modules?
A9: Yes, it is designed to work within the 8C architecture and integrate with other modules like input/output modules and communication modules.
Q10: What industries is 8C‑PA2H51 most used in?
A10: Typical uses are in process industries (oil & gas, chemicals, power plants, HVAC, ovens) where temperature regulation is critical.
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