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Pr
oduct Introduction
The ABB AFPS-11C (Part No. 68969972) is an industrial-grade power supply board, specifically designed to provide stable and efficient DC power to various ABB drive systems and automation platforms. As a critical internal component, this board ensures the regulated distribution of electrical power to control circuits, interface logic, and auxiliary modules. Built to meet stringent industrial standards, it is used in harsh environments including manufacturing lines, process plants, and motor control centers.
The AFPS-11C is often utilized within ACS800 and ACS880 drive systems, making it integral to maintaining reliable operation in variable frequency drive (VFD) applications. ABB’s rigorous quality assurance ensures optimal MTBF (Mean Time Between Failures) and excellent load response characteristics.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | AFPS-11C |
| Part Number | 68969972 |
| Function | Power Supply Board for ABB Drive Systems |
| Input Voltage Range | 85 – 265 VAC (universal input) |
| Output Voltage | 24V DC (typical for internal control power distribution) |
| Output Current Capacity | 2.5 A continuous |
| Efficiency | > 90% under nominal load |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -25°C to +85°C |
| Cooling | Convection or forced air via system fans |
| Mounting Method | Internal chassis-mounted via M4 screws |
| Protection Features | Overvoltage, short-circuit, thermal shutdown |
| Compliance | CE, RoHS, UL compliant |
| Dimensions (L×W×H) | 235 × 140 × 35 mm |
| Weight | 1.45 kg |
| MTBF (typical) | > 200,000 hours at 40°C ambient |
Applications
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Integrated into ABB ACS800 / ACS880 drive units
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Powering internal control logic and I/O interface boards
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Used in motor control centers (MCCs) for industrial drives
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Critical in automated production lines requiring uninterrupted DC power
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Suitable for process automation, such as in oil & gas, paper mills, and metallurgy
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Also used in system retrofits for older ABB drive installations
Key Advantages
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High reliability – Built with premium-grade components to ensure continuous operation under demanding industrial loads.
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Stable DC output – Maintains constant voltage across varying load conditions.
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Compact form factor – Fits easily within drive cabinets, optimizing space usage.
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Thermal protection & fault diagnostics – Built-in safety features protect connected modules from power anomalies.
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ABB-certified component – Ensures full compatibility and serviceability within ABB ecosystems.
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Long service life – Extended MTBF ensures years of maintenance-free operation.
Frequently Asked Questions (FAQ)
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Q: What is the role of the AFPS-11C board inside ABB drive systems?
A: It provides regulated DC power to internal logic circuits and ensures reliable operation of control boards and sensors within the drive. -
Q: How do I verify if the AFPS-11C is functioning correctly?
A: Normal operation is indicated by stable output voltages. Diagnostic LEDs or control system alarms will alert you if the board is malfunctioning. -
Q: Can I replace the AFPS-11C board without reconfiguring the drive settings?
A: Yes, the power board is plug-and-play. As long as the board is identical, no additional configuration is required after replacement. -
Q: What precautions should I take during installation?
A: Always discharge capacitors, use proper grounding, wear an ESD strap, and ensure the power is completely off before removal or installation. -
Q: Is AFPS-11C compatible with non-ABB systems?
A: It is optimized for ABB drives. Compatibility with non-ABB systems is not guaranteed and not recommended due to proprietary power control logic. -
Q: How often does the AFPS-11C require maintenance?
A: It’s maintenance-free under normal conditions. Visual inspection during annual plant shutdowns is sufficient. -
Q: What’s the typical failure mode for this board?
A: Capacitor aging or overvoltage events may lead to DC output instability. However, its built-in protection often prevents complete failure. -
Q: Is the AFPS-11C interchangeable with AFPS-01C or AFPS-10C modules?
A: No. Each AFPS module is tailored to specific drive models and current requirements. Using the wrong module may result in malfunction or damage to connected components. -
Q: Does AFPS-11C have conformal coating for humid environments?
A: Yes, the board is conformally coated to resist moisture, making it suitable for high-humidity and industrial areas. -
Q: Does ABB provide firmware or software updates for the AFPS-11C?
A: No, the AFPS-11C is a hardware-only power module with no embedded firmware. It operates independently from software-controlled systems.
Related or Same-Series ABB Models
| Model | Description | Application |
|---|---|---|
| AFPS-01C | PROFIBUS communication board | Fieldbus integration for drives |
| AFPS-10C | Compact power supply module | Smaller ABB drive units |
| AFPS-12C | Extended temperature range power board | Harsh industrial environments |
| AFPS-15C | Dual output power supply board | Redundant control circuits |
| AFPS-21C | High-current power board | Drives with heavy logic loads |
| AFPS-31C | Isolated supply board | Sensitive analog control systems |
Popular ABB Automation Modules
| Model | Description | Primary Use |
|---|---|---|
| RDCO-03C | Communication module for drives | Drive-to-drive or PLC integration |
| ACS-CP-C | Drive control panel | Local drive configuration |
| RETA-01 | Ethernet adapter module | Industrial Ethernet connectivity |
| RINT-5211 | IGBT power module | ABB medium-voltage drives |
| SDCS-PIN-51 | Pulse encoder interface board | Precision speed feedback |
| AI845 | Analog input module (S800 I/O) | Distributed control systems (DCS) |
