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- ABB
- PCD231
- Excitation Controller Exciter Control Module
- Sweden
- 132 × 105 × 60 mm
- 2.6kg
- 3BHE024642R0101
- Xiamen, China
- New & In Stock
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ABB PCD231 (3BHE024642R0101)
Product Introduction
The ABB PCD231 module (part number 3BHE024642R0101) is an advanced digital processing and I/O interface board, tailored for use in heavyweight automation and excitation systems. It builds upon certain high-performance features of the PCD230 but incorporates additional capabilities—such as expanded analog/digital inputs, advanced protection logic, and enhanced communication ports—for even more critical control architectures. It’s often deployed within the ABB automation ecosystem to manage excitation, protection, diagnostics, and data exchange with superior accuracy and resilience.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PCD231 (3BHE024642R0101) |
| Function | Digital Control & I/O Processing Module |
| Platform Compatibility | UNITROL / AC800PEC / 800xA Systems |
| Processor Type | Industrial Real-time CPU |
| Communication Interfaces | Ethernet, RS‑485, plus optional fieldbus support |
| I/O Types | Expanded analog and digital I/O ports |
| Power Supply | Dual 24 V DC with reverse polarity protection |
| Power Usage | ≤ 8 W |
| Environmental Protection | IP20 enclosure |
| Operating Temp. Range | –20 °C to +70 °C |
| Storage Temp. Range | –40 °C to +85 °C |
| Humidity Resilience | Up to 95% RH (non‑condensing) |
| Installation Method | DIN‑rail or plug-in rack module form |
| Alarm Outputs | Relay outputs (fiber, power, fault signaling) |
| Dimensions | 132 × 105 × 60 mm |
| Weight | ~2.6 kg |
| Series | PCD / ABB Process Control Module Family |
| Brand | ABB |
Applications
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Synchronous generator excitation control with precise regulation of voltage and reactive power
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Fault detection and protection logic in power generation assets
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High-level automation and diagnostics within DCS systems
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Communication gateway between generators, DCS hubs, and peripheral instruments
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Suitable for demanding industrial sectors: power plants, maritime, nuclear, oil & gas, and utilities
Key Advantages
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Enhanced I/O Flexibility: Handles a broader range of signals than its predecessors
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Robust Alarm Management: Onboard relays provide real-time system alerts for critical issues
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Reliable Design: Expanded environmental rating offers resilience under industrial stress
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Efficient Performance: High compute capability with moderate power demands
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Integrates Smoothly: Engineered for direct compatibility with ABB DCS environments
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Compact and Durable: Supports modular installation in rack-based control setups
Related Models (Same Series or Functional Equivalents)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| PCD231 | (This model) Advanced digital/I/O board | 132 × 105 × 60 | 2.6 |
| PCD230 | Processing & I/O board (lighter features) | 132 × 105 × 52 | 2.4 |
| PCD530A102 | Enhanced CCM-type interface module | Similar | Similar |
| UNS 2880B‑P | Logic board for excitation control | ~240 × 200 × 35 | 0.3 |
| UFC 760BE102 | Fieldbus communication interface | ~205 × 140 × 38 | 0.18 |
Popular ABB Models (Same Brand)
| Model | Description | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| PCD231 | Advanced PCD digital/I/O board (this one) | 132 × 105 × 60 | 2.6 |
| UFC 762AE101 | PROFIBUS-DP communication module | 210 × 150 × 35 | 0.2 |
| UNS 0119A‑P | Signal interface module | ~240 × 200 × 35 | 0.34 |
| UNS 2882A‑P | Excitation gate controller | 255 × 240 × 35 | 0.36 |
| PCD530A102 | High-end CCM module | Similar dimensions | Similar |
Frequently Asked Questions (QA)
Q1: What does the PCD231 specifically handle?
A1: It manages digital control logic, expanded I/O, and communication within ABB’s excitation and automation systems.
Q2: How does it differ from the PCD230?
A2: Adds more I/O, stronger fault signaling, and extended environmental robustness.
Q3: What are its communication features?
A3: Ethernet, RS‑485, and optional fieldbus links for flexible system integration.
Q4: Can it handle alarms and fault notification?
A4: Yes, it includes onboard relays for alerting on fibre link issues, power loss, and faults.
Q5: What is the module’s power consumption?
A5: It consumes up to 8 W.
Q6: What size and weight are we talking about?
A6: It measures 132 mm × 105 mm × 60 mm and weighs approximately 2.6 kg.
Q7: Suitable for extreme operational environments?
A7: Yes, it runs from –20 °C to +70 °C and remains stable with high humidity.
Q8: How is it installed?
A8: It mounts to DIN rails or plugs into ABB-compatible control racks—plug’n’play style.
Q9: Is it suitable for retrofitting OB systems?
A9: Absolutely—it works seamlessly with existing ABB control setups.
Q10: Why use the PCD231?
A10: Combines high processing capability, wide I/O and alarm support, and durable build—all for critical automation tasks.