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Brand: ABB
Series: PCD (AC 800PEC family) — a high-performance process control / exciter control module
Product Introduction
This is a powerful, rugged process control module engineered for industrial automation and excitation control systems. It delivers precise, high-speed control, supports multiple I/O channels, and integrates seamlessly with industrial communication protocols for reliable, long-lasting performance under demanding conditions
| Parameter | Specification |
|---|---|
| Dimensions | Approx. 37.5 cm (depth) × 14.2 cm (height) × 7.2 cm (width) |
| Weight | Approx. 1.48 kg |
| Power Supply Voltage | 120–240 VAC |
| Communication Interface | RS‑485 (Modbus RTU) |
| Operating Frequency Range | 20 Hz to 2 kHz |
| Processing Speed | Up to 100 kHz |
| I/O Channels | 8 analog inputs and 8 analog outputs |
| Temperature Range | –20 °C to +60 °C |
Applications
Precision excitation control in generator systems
Process control for industrial automation
Harsh-environment deployment (high-speed, wide-temperature operations)
Advantages
Fast, high-frequency processing ensures precise control
Flexible, modular integration with RS‑485 and standard I/O sets
Broad voltage acceptance and rugged design for reliability
High channel count supports complex signal handling
| Model | Key Parameters / Comments |
|---|---|
| PCD235A101 (3BHE032025R0101) | Exciter control module; dimensions ~38.1 cm × 15.2 cm × 7.6 cm, weight ~1.5 kg |
| PCD231B101 (3BHE025541R0101) | Excitation controller variant in PCD family |
| PCD232A (3BHE022293R0101) | Another PCD-series excitation controller |
| PCD235C101 (3BHE057901R0101) | AC 800PEC compatible; supports extensive fieldbus and modular communication |
| PCD230 / PCD231B / PCD232A | Listed as related variants in same PCD family |
Information based on common ABB product naming and family recognition:
| Model | Overview |
|---|---|
| AC800PEC family (modular PLC) | Robust automation controllers used plant-wide |
| UNITROL 1000 / 6000 series | Expanded excitation system modules for grid-code compliance |
| Drive modules (ACS/ACS800) | High-performance variable-frequency drives often used in integrated control |
| I/O extension modules | Various I/O modules in the ABB portfolio (e.g., PPD113B, UFC718AE101) |
| Human-machine interface panels (CP-series) | Touch-screen operator panels (e.g., CP607, CP651 series) |
Q1. What are the module’s dimensions?
A1. The product measures approximately 37.5 cm × 14.2 cm × 7.2 cm.
Q2. How heavy is it?
A2. It weighs around 1.48 kg.
Q3. What voltage range does it accept?
A3. It operates on a wide supply range of 120–240 VAC.
Q4. Which communication interface is supported?
A4. RS‑485 using Modbus RTU protocol.
Q5. How many I/O channels does it include?
A5. It includes 8 analog inputs and 8 analog outputs.
Q6. What is its processing capability?
A6. It operates at frequencies from 20 Hz to 2 kHz with a processing speed of up to 100 kHz.
Q7. What operating environment can it handle?
A7. The module is rated for –20 °C to +60 °C ambient temperatures.
Q8. Is it suitable for excitation control?
A8. Yes—it’s designed for precise exciter and process control in generator systems.
Q9. What series does it belong to?
A9. It belongs to ABB’s PCD series, part of the AC 800PEC modular system family.
Q10. What industries is it ideal for?
A10. Ideal for power generation, industrial automation, process control, and robust control settings.