This is a drum feeder specifically designed for the ABB AC800PEC DCS, providing a 24VDC regulated power supply, fieldbus communication, and redundant power supply functions, suitable for various industrial automation scenarios.
 

1. General description
- Product name / part number: PFSA 140 RULLM 7A, 3BSE006503R1
- Catalog description: “PFSA 140, Roll Supply Unit” – a roll‑supply (material‑feed) module for ABB’s distributed control systems (e.g., AC 800 PEC)
- Country of origin: United States and Sweden
- Typical application: safety‑related control, tension‑control, material handling, and other industrial automation tasks
2. Core functions
| Function | Details | 
| Power supply | Provides a regulated 24 V DC output. Rated current is usually 5 A (≈24 W); some distributors list a 10 A / 120 W version. | 
| Communication interface | Supports RS‑485 and a range of industrial Ethernet protocols (Profinet, Ethernet/IP, Modbus TCP); also compatible with FOUNDATION Fieldbus for FIELDVUE devices. | 
| Redundant power input | Designed with dual‑input capability to improve system availability. | 
| Fault monitoring | Built‑in diagnostics and status LEDs for quick fault identification. | 
| DIN‑rail mounting | Standard 35 mm DIN‑rail form factor for easy installation in control cabinets. | 
3. Technical specifications (typical values)
| Parameter | Specification | Source | 
| Operating voltage | 24 V DC |  | 
| Rated current | 5 A (some versions 10 A) |  | 
| Power consumption | 24 W (up to 120 W for high‑current variant) |  | 
| Communication | RS‑485, Profinet, Ethernet/IP, Modbus TCP |  | 
| Enclosure rating | IP20 (standard); IP54/IP65 available on certain models |  | 
| Operating temperature | –40 °C ~ +70 °C |  | 
| Weight | 23.3 kg (gross) |  | 
| Dimensions | Approx. 850 mm × 750 mm × 1200 mm (one supplier) |  | 
| Compliance | SIL 3 safety integrity level (when used as a safety relay) |  | 
4. Typical application sectors
- Chemical, petrochemical, power generation – for safe, reliable material feed and tension control.
- Pharmaceutical, food & beverage, packaging – precise roll‑supply for continuous production lines.
- Metal processing, wire & cable, rubber manufacturing – ensures consistent material tension and feed rate.
5. Key advantages
- High reliability – redundant power paths and built‑in fault diagnostics reduce downtime.
- Easy integration – DIN‑rail design and multiple communication protocols simplify wiring and system architecture.
- Robust construction – industrial‑grade enclosure (IP20‑IP65) and wide temperature range suit harsh environments.
- Safety‑grade – meets SIL 3 requirements, making it suitable for safety‑critical control loops
 
 
Sales of the brand:
ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.
 
☀️Tara(Sales Director)
📞Tel: + 86-13806028623
📮Whatsapp:+86-13806028623
💬Email: ydf8801@163.com
🏚️Ship to you via DHL/TNT/UPS/EMS/Fedex
🥇Product Condition: One-year warranty

Company Overview
Main Products
We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:
- FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
- ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
- HONEYWELL | RELIANCE | SCHNEIDER | MODICON
- Westinghouse | WOODWARD | Motorola | Rexroth | SEW
Our inventory includes authentic, brand-new components, including hard-to-find discontinued parts, ensuring reliable solutions for industrial automation needs.
 
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All products are in sufficient stock reserve. After you place an order, we will arrange shipment on the same day to minimize waiting time and help your project progress quickly.
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We offer a one-year warranty service for all products! If there are any quality issues, we will provide you with professional after-sales support as soon as possible and provide full protection throughout the process.
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