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- 89 × 64 × 25 mm
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Product Overview – CP451‑10
Introduction
The CP451‑10 is a high‑density processor and I/O module used in industrial distributed control systems. It serves as a versatile, mixed digital I/O unit for systems such as Centum VP—or analogous platforms—combining digital output and configurable logic in one compact module.
Brand & Series
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Brand: A leading automation control provider
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Series: CP451 series—processor and I/O modules for DCS platforms
Key Specifications
| Parameter | Specification |
|---|---|
| Model | CP451‑10 |
| Series | CP451 processor / I/O series |
| Functionality | Mixed digital I/O and processing in one module (universal I/O processor) |
| Channels | Up to 32 digital outputs; optionally configurable inputs |
| Power Supply | 24 V DC (range 20.4–26.4 V DC); low consumption (~2.5 W nominal) |
| Digital Output | 32 channels, 24 V DC, up to 100 mA per channel |
| Analog I/O | Configurable high-resolution analog I/O (16‑bit) |
| Processing Speed | ~10 ms update cycle for real-time control |
| Processor & Memory | 32-bit RISC CPU, ~2 MB data + 4 MB program memory |
| Operating Temp / Humidity | Typically 0–60 °C operating; extended to –40 °C in some specs; RH up to 95 % non-condensing |
| Dimensions | ~89 × 64 × 25 mm (compact DIN‑rail unit) |
| Weight | Approximately 0.25–0.3 kg (some sources ~0.74 kg) |
| Diagnostics & Features | LED indicators, fault detection, hot‑swappable support |
Applications
This module excels in:
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Core I/O processing for DCS-based process control (e.g., petrochemical, power, refining)
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Driving actuators, relays, alarms via digital outputs
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Situations needing compact, high‑channel density modules to optimize space
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Environments where diagnostic visibility and system uptime are critical
Advantages
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High channel density: Up to 32 digital outputs in a small form factor.
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Fast response: ~10 ms cycle time supports real‑time control demands.
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Mixed I/O capability: Digital outputs with optional analog I/O versatility.
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Diagnostic support: Built-in LEDs for quick fault recognition, enhancing maintainability.
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Compact and modular: Easy to mount on DIN-rail and integrate into control cabinets.
Five Related or Same‑Series Models
| Model | Key Features | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| CP451‑50 | Advanced version with more I/O, Ethernet, redundancy | Slightly larger | ~0.4 |
| CP451‑10 S2 | S2 variant of CP451‑10—same digital I/O, alternative spec | ~32 × 148 × 200 mm | ~0.74 |
| CP451‑10 (extended) | Extended temp range (–40 °C), rugged packaging | Similar compact size | ~0.3 |
| CP451‑10 (redundant) | Hot‑swap, dual redundant modules for fail‑safe systems | Similar footprint | ~0.3 |
| CP452 series | Analog I/O–oriented variant in the same series family | Similar to CP451 | ~0.3–0.4 |
Five Other Popular Models from the Same Brand
| Model | Functionality | Approx. Size | Weight (kg) |
|---|---|---|---|
| AAI143‑S50 | 16-channel analog input module | Compact | ~0.3 |
| AAI543‑S50 | 16-channel analog output, standard type | Comparable | ~0.4 |
| AAI543‑H50 | Analog output with HART communications | Comparable | ~0.4 |
| ADV551‑P00 | Digital output module for discrete control | Compact | ~0.3 |
| SDV144‑S53 | Digital input module variant | Compact | ~0.3 |
FAQ (10 Q&A)
Q1: How many channels does the CP451‑10 support?
A1: It provides up to 32 digital output channels, and in some configurations, includes analog I/O.
Q2: What power supply does it require?
A2: 24 V DC, within roughly 20.4–26.4 V; nominal consumption is around 2.5 W.
Q3: What is the module’s response time?
A3: It updates in about 10 ms, suitable for real-time control demands.
Q4: Is diagnostics support built in?
A4: Yes—LEDs indicate channel and module faults, aiding maintenance.
Q5: What are the size and weight?
A5: Compact, around 89 × 64 × 25 mm, typically weighing 0.25–0.3 kg; some versions report 0.74 kg.
Q6: Can it handle harsh environmental conditions?
A6: Designed for industrial use; operating range covers 0–60 °C, some extend to –40 °C; humidity tolerance up to 95 % non-condensing.
Q7: Is it hot‑swappable or redundant?
A7: Some series variants support dual-redundant setups for failover capability.
Q8: Is it easy to integrate into existing DCS setups?
A8: Yes. It’s designed for seamless plug‑and‑play in Centum systems via standard interfaces.
Q9: How durable is the module?
A9: Ruggedized for vibration, temperature shifts, and long operational life. LED diagnostics further support reliability.
Q10: Is it suitable for safety‑critical applications?
A10: For high‑reliability applications, use redundant or certified variants within the CP451 series.
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