Description
Product Overview
ABB PFXA401 (3BSE024388R1) is a high-performance compact industrial control unit from ABB’s MC 400 series, designed for precision motion and tension control in harsh automation environments. It excels in metal rolling, coating, slitting, and other processes requiring accurate synchronization and dynamic regulation.
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Basic Specifications
- Brand: ABB
- Model: PFXA401
- Part Number: 3BSE024388R1
- Control Modes: Position / Speed / Torque (3-mode seamless switch)
- Response Time: 5–2000 ms (step response)
- Analog Inputs: 2 channels (for load cells, e.g., PFBL 101/141)
- Analog Outputs: 0–10 V, 0–20 mA, 4–20 mA
- Digital I/O: 24 VDC compatible, 4 inputs + 4 outputs (isolated)
- Communication: 5×Ethernet (UDH, Modbus TCP, OPC UA), USB (config/restore)
- Power Supply: 100–240 VAC, 140 VA; 24 VDC / 5A onboard
- Temperature: -25°C to +70°C (no-fan design)
- Protection: IP20 (IP42 optional), vibration/shock resistant
- Origin: Sweden
- Warranty: 12 months

Industry Applications
- Metallurgy: Rolling mills, tension control, strip processing lines
- Paper & Textile: Coating, laminating, slitting, winding/unwinding
- Energy & Power: Turbine/generator auxiliary control, boiler systems
- General Automation: High-precision motion control, synchronous production lines







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