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- ABB
- SDCS-FEX-32B
- High-Power Speed Regulation Module Excitation Board
- Sweden
- 190 mm × 130 mm × 40 mm
- 0.72kg
- 3ADT312400R1002
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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ABB SDCS-FEX-32B (Model: 3ADT312400R1002)
Product Overview
The ABB SDCS-FEX-32B is a Field Excitation Board specifically designed for ABB’s DCS control systems, including DCS 500, DCS 600, and DCS 800 series DC drives. It delivers precise field current control, ensuring stable excitation and optimized motor torque regulation for high-performance industrial operations.
This model, an enhanced version of the FEX-32A, features improved current stability, enhanced thermal management, and expanded diagnostic functions. The SDCS-FEX-32B plays a vital role in ensuring energy-efficient and fault-tolerant control for DC motors used in automation and heavy-duty applications.
Product Parameters
| Parameter | Description |
|---|---|
| Model | SDCS-FEX-32B |
| Part Number | 3ADT312400R1002 |
| Product Type | Field Excitation Board |
| Brand | ABB |
| Series | DCS Control Series (DCS 500 / DCS 600 / DCS 800) |
| Input Voltage | 24 VDC (nominal) |
| Output Field Voltage | 0 – 500 VDC (adjustable) |
| Output Field Current | 0 – 25 A continuous |
| Control Interface | Analog & Digital input/output |
| Communication Interface | Internal system bus compatible |
| Protection Features | Overvoltage, overcurrent, reverse polarity, and thermal shutdown |
| Diagnostics | LED indicators and status reporting |
| Operating Temperature | 0°C – +55°C |
| Storage Temperature | -40°C – +70°C |
| Relative Humidity | 5% – 95% (non-condensing) |
| Cooling Method | Natural air convection |
| Dimensions (W × H × D) | 190 mm × 130 mm × 40 mm |
| Weight | 0.72 kg |
| Mounting Type | PCB-mounted module |
| Insulation Class | IEC Class B compliant |
| Compliance | CE certified, RoHS compliant |
Product Description
The ABB SDCS-FEX-32B serves as an advanced excitation control module, designed to regulate the field current in DC drives. This ensures stable magnetic field generation, which directly translates into improved torque, smooth acceleration, and consistent motor speed regulation.
The board is engineered with reinforced electronic components for durability in high-stress industrial environments. It includes multi-level protection against electrical surges, over-temperature, and polarity reversal. Additionally, its diagnostic system continuously monitors operational status and reports potential faults to prevent downtime.
The SDCS-FEX-32B is fully compatible with ABB’s DCS control architecture, allowing it to integrate seamlessly into automation networks without additional hardware modifications. Its high efficiency and compact size make it an ideal solution for upgrading or maintaining existing DC drive installations.
Product Applications
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Steel rolling mills and metal forming lines
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Pulp and paper production machinery
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Mining and excavation equipment
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Marine propulsion and deck machinery
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Petrochemical and refinery processing systems
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Power generation and renewable energy facilities
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Large-scale manufacturing automation systems
Product Advantages
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Superior Excitation Stability – Provides high-precision control of DC motor field current, ensuring consistent torque and speed.
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Enhanced Protection – Built-in multi-level protection safeguards against overvoltage, overcurrent, and overheating.
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Compact and Lightweight – Easy to install and maintain, reducing space requirements in control cabinets.
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High Compatibility – Fully compatible with ABB’s DCS 500, 600, and 800 series drives.
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Energy Efficiency – Optimized excitation algorithms reduce power consumption and improve system efficiency.
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Durable Construction – Industrial-grade PCB materials and components ensure long operational life under harsh conditions.
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Advanced Diagnostics – LED status indicators and internal fault monitoring simplify troubleshooting and maintenance.
Brand Information
Brand: ABB
ABB is a leading manufacturer in the fields of automation, electrical control, and drive technology. Known for innovation and reliability, ABB’s DCS control systems are widely used in industrial and manufacturing sectors around the world. Their product lines emphasize safety, efficiency, and sustainability for high-performance operations.
Product Series
Series: ABB DCS Control Series
This product is part of ABB’s DCS series, a modular control system designed for DC drives. The series includes various modules such as control boards, I/O interfaces, and field excitation boards — all engineered to work together for seamless integration and maximum performance.
Related Models (Same Series or Compatible Types)
| Model | Description | Key Parameters |
|---|---|---|
| SDCS-FEX-32A | Field Excitation Board (previous version) | Output: 0–460VDC, 20A; Dimensions: 180×120×35 mm; Weight: 0.65 kg |
| SDCS-CON-3 | Control board module for drive regulation | Voltage: 24VDC; Dimensions: 150×100×30 mm; Weight: 0.55 kg |
| SDCS-PIN-42A | I/O interface module for control communication | Channels: 32; Input Voltage: 24VDC; Weight: 0.60 kg |
| SDCS-POW-2 | Power supply module for DCS systems | Input: 230VAC; Output: 24VDC; Weight: 0.78 kg |
| SDCS-IOB-23 | Input/output board for digital and analog signals | Channels: 32; Power: 24VDC; Weight: 0.59 kg |
Popular Models (Same Brand)
| Model | Description | Key Parameters |
|---|---|---|
| ACS880-01-072A-3 | Industrial AC Drive | Power: 45 kW; Voltage: 400V; Weight: 48 kg |
| DCS800-S02-0100-05 | DC Drive System | Power: 100A; Voltage: 500V; Weight: 42 kg |
| DSQC1030 | Controller Board Module | Voltage: 24VDC; Dimensions: 200×120×35 mm; Weight: 0.65 kg |
| CI855A | Communication Interface Module | Protocol: PROFIBUS; Voltage: 24VDC; Weight: 0.47 kg |
| PM865AK02 | Industrial Processor Unit | CPU: 32-bit; Voltage: 24VDC; Weight: 0.52 kg |
FAQ (Frequently Asked Questions)
Q1: What is the primary function of the SDCS-FEX-32B?
A1: It regulates the field excitation current of DC motors, ensuring smooth and stable motor performance.
Q2: Is it compatible with earlier ABB FEX modules?
A2: Yes, the SDCS-FEX-32B can replace SDCS-FEX-32A and other earlier versions with minor configuration adjustments.
Q3: What voltage does this module operate on?
A3: The input voltage is 24 VDC nominal.
Q4: What is the output capacity of the board?
A4: The board supports an output field voltage of up to 500 VDC and a current of up to 25 A.
Q5: How is the module cooled?
A5: The SDCS-FEX-32B uses natural air convection for cooling.
Q6: Does it include built-in protection features?
A6: Yes, it has overcurrent, overvoltage, reverse polarity, and thermal shutdown protection.
Q7: What is its operating temperature range?
A7: The operating range is between 0°C and +55°C.
Q8: Can it be used in marine applications?
A8: Yes, it is suitable for marine propulsion and winch control systems.
Q9: What is the weight of the module?
A9: The SDCS-FEX-32B weighs approximately 0.72 kg.
Q10: Is it easy to replace or upgrade?
A10: Yes, it is designed for quick installation and easy integration into existing ABB DCS drive systems.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.