FPS400-24
1. Technical Specifications
The FPS400-24 is a high-reliability DC power module designed by Foxboro (Schneider Electric) for industrial automation systems, specifically tailored for Foxboro I/A Series DCS and PLC control systems. It is engineered to provide stable, continuous 24V DC power supply for on-site control components, ensuring the reliable operation of the entire automation system. The module features a rugged structural design, complying with industrial-grade protection standards, and is suitable for harsh industrial environments such as petrochemical, power generation, metallurgy, and chemical processing industries.
It adopts advanced power conversion technology, with high conversion efficiency and strong anti-interference capability, effectively resisting electromagnetic interference, voltage fluctuations, and other on-site disturbances. The module is equipped with real-time status monitoring indicators and overvoltage, overcurrent, and overheating protection functions, ensuring safe and stable long-term operation.
1.1 Electrical Parameters
- Model: Foxboro FPS400-24
- Product Type: Industrial DC Power Module
- Output Voltage: 24V DC (stable output, ripple ≤ 50mV)
- Output Current: 400W rated power (corresponding rated current: 16.7A)
- Input Voltage Range: 85-264V AC (wide voltage input, adapting to different on-site power supply conditions)
- Conversion Efficiency: ≥ 90% (under full load conditions)
- Protection Functions: Overvoltage protection (28V ± 0.5V), overcurrent protection (18A ± 1A), overheating protection (105℃ ± 5℃), short-circuit protection
- Ripple and Noise: ≤ 50mV (peak-to-peak)
- Power Factor: ≥ 0.95 (at full load, 50/60Hz)
- Working Frequency: 50/60Hz (automatic adaptation)
1.2 Environmental & Mechanical Parameters
- Mounting: Standard DIN rail installation (complying with IEC 60715)
- Operating Temperature: -20℃ to +70℃
- Storage Temperature: -40℃ to +85℃
- Humidity Tolerance: 5%-95% non-condensing (no dew formation)
- Operating Altitude: -300m to +3000m (derating required above 2000m)
- Protection Grade: IP20 (front panel), suitable for control cabinet internal installation
- Weight: Approximately 1.2kg
- Dimensions: 120mm (height) × 60mm (width) × 150mm (depth) (including mounting ears)
- Housing Material: Flame-retardant ABS + metal heat sink
Description
1. Technical Specifications
The FPS400-24 is a high-reliability DC power module designed by Foxboro (Schneider Electric) for industrial automation systems, specifically tailored for Foxboro I/A Series DCS and PLC control systems. It is engineered to provide stable, continuous 24V DC power supply for on-site control components, ensuring the reliable operation of the entire automation system. The module features a rugged structural design, complying with industrial-grade protection standards, and is suitable for harsh industrial environments such as petrochemical, power generation, metallurgy, and chemical processing industries.
It adopts advanced power conversion technology, with high conversion efficiency and strong anti-interference capability, effectively resisting electromagnetic interference, voltage fluctuations, and other on-site disturbances. The module is equipped with real-time status monitoring indicators and overvoltage, overcurrent, and overheating protection functions, ensuring safe and stable long-term operation.
1.1 Electrical Parameters
Model: Foxboro FPS400-24
Product Type: Industrial DC Power Module
Output Voltage: 24V DC (stable output, ripple ≤ 50mV)
Output Current: 400W rated power (corresponding rated current: 16.7A)
Input Voltage Range: 85-264V AC (wide voltage input, adapting to different on-site power supply conditions)
Conversion Efficiency: ≥ 90% (under full load conditions)
Protection Functions: Overvoltage protection (28V ± 0.5V), overcurrent protection (18A ± 1A), overheating protection (105℃ ± 5℃), short-circuit protection
Ripple and Noise: ≤ 50mV (peak-to-peak)
Power Factor: ≥ 0.95 (at full load, 50/60Hz)
Working Frequency: 50/60Hz (automatic adaptation)
1.2 Environmental & Mechanical Parameters
Mounting: Standard DIN rail installation (complying with IEC 60715)
Operating Temperature: -20℃ to +70℃
Storage Temperature: -40℃ to +85℃
Humidity Tolerance: 5%-95% non-condensing (no dew formation)
Operating Altitude: -300m to +3000m (derating required above 2000m)
Protection Grade: IP20 (front panel), suitable for control cabinet internal installation
Weight: Approximately 1.2kg
Dimensions: 120mm (height) × 60mm (width) × 150mm (depth) (including mounting ears)
Housing Material: Flame-retardant ABS + metal heat sink
2. Product Overview
The Foxboro FPS400-24 is a high-performance industrial DC power module developed by Foxboro (a brand of Schneider Electric), dedicated to providing stable and reliable power support for industrial automation systems such as DCS and PLC. As a core power supply component in industrial control systems, it is widely used in petrochemical, power generation, metallurgy, manufacturing, and other harsh industrial fields, effectively ensuring the continuous and stable operation of on-site control components (such as sensors, actuators, modules, and controllers).
The module integrates advanced power conversion technology and multiple protection mechanisms, with the characteristics of wide voltage input, high conversion efficiency, and strong anti-interference capability. It can adapt to the unstable power supply environment of industrial sites, convert AC input voltage into stable 24V DC output, and provide reliable power for the entire control system. The rugged structural design and industrial-grade protection performance enable it to operate stably in high-dust, high-humidity, and strong electromagnetic interference environments, meeting the strict requirements of industrial field applications.
In addition, the FPS400-24 adopts a modular and user-friendly design, supporting DIN rail quick installation and hot-swap replacement (optional), which greatly simplifies installation and maintenance work, reduces system downtime, and improves the availability and continuity of the control system. The front-panel LED indicators can real-time display the module’s power-on status, output status, and fault status, facilitating on-site personnel to quickly check and locate faults.
3. Functional Features
3.1 High Stability and Reliability
The FPS400-24 adopts high-quality industrial-grade components and advanced power conversion technology, ensuring high conversion efficiency (≥ 90%) and stable output voltage. The wide input voltage range (85-264V AC) can adapt to different regional power supply conditions and voltage fluctuations on industrial sites, avoiding output instability caused by input voltage changes. The built-in anti-interference circuit effectively resists electromagnetic interference (EMI) and radio frequency interference (RFI) from on-site equipment, ensuring the stability of the power supply signal.
3.2 Comprehensive Protection Functions
The module is equipped with a complete protection system, including overvoltage, overcurrent, overheating, and short-circuit protection. When the output voltage exceeds the rated value (28V ± 0.5V), the overvoltage protection function is activated to cut off the output to prevent damage to the load equipment; when the output current exceeds the rated current (18A ± 1A), the overcurrent protection is triggered to limit the current or cut off the output; when the module’s internal temperature exceeds 105℃ ± 5℃, the overheating protection function works to stop the module operation, avoiding damage to internal components due to overheating; in case of short-circuit between output terminals, the short-circuit protection is activated immediately to cut off the power supply, ensuring the safety of the module and load equipment.
3.3 User-Friendly Status Monitoring
The front panel of the FPS400-24 is equipped with multiple LED indicators, providing real-time visual feedback on the module’s working status: power indicator (green, on when the module is powered on), output indicator (green, on when the output is normal), fault indicator (red, on when a fault occurs, such as overvoltage, overcurrent, overheating, or short-circuit). On-site maintenance personnel can quickly judge the module’s working condition and locate faults through the LED indicators without the need for professional testing equipment, improving maintenance efficiency.
3.4 Easy Installation and Maintenance
The module adopts standard DIN rail installation design, which can be quickly installed on the DIN rail in the control cabinet, saving installation space and time. It supports hot-swap replacement (optional), allowing maintenance personnel to replace the module without shutting down the entire control system, reducing system downtime and improving production continuity. The wiring terminals are clearly marked, making wiring simple and easy to operate, and reducing wiring errors.
3.5 Wide Applicability
The FPS400-24 is specially designed for Foxboro I/A Series DCS systems and is also compatible with other mainstream industrial PLC and DCS systems. It can provide stable 24V DC power for various on-site control components, such as sensors, actuators, discrete output modules, and communication modules, meeting the power supply needs of different industrial automation scenarios. Its harsh environment adaptability makes it suitable for petrochemical, power generation, metallurgy, and other industries with strict requirements on power supply stability.
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