Product Overview

The ABB PFEA112-20 3BSE050091R20 is a high-performance tension electronics unit from ABB’s PFEA112 series, designed to provide precise web tension measurement and control for demanding industrial applications . This sophisticated tension amplifier serves as the critical interface between Pressductor load cells (such as PFCL, PFTL, and PFRL series) and the control system, converting analog tension signals into standardized outputs for monitoring and control purposes . The ABB PFEA112-20 3BSE050091R20 is equipped with a PROFIBUS DP interface as standard, enabling seamless integration into Siemens, ABB, and other PLC-based automation architectures .

The ABB PFEA112-20 3BSE050091R20 supports up to two load cells and provides both voltage (-5 to +11V) and current (0-21 mA) analog outputs, making it compatible with a wide range of control systems . Its interactive multi-language display and configuration keys allow operators to set parameters, monitor system status, and perform calibration without external tools . The unit features a 2 x 16 character display that can present sum, difference, or individual load cell signals, providing comprehensive diagnostic information at a glance . With a compact DIN-rail mount design and IP20 protection rating, the ABB PFEA112-20 3BSE050091R20 is engineered for easy integration into electrical cabinets, delivering reliable tension measurement for metal processing, paper manufacturing, printing, and other web handling applications .

 

Technical Specifications

Parameter Name	Parameter Value
Product Model	PFEA112-20 3BSE050091R20
Manufacturer	ABB
Product Type	Tension Electronics / Web Tension Controller
Power Supply	24 V DC (18-36 V)
Power Consumption	7.5 W
Number of Load Cells	2
Load Cell Excitation	0.5 A RMS, 330 Hz
Max Load Cell Cable Resistance	5 Ω (2 load cells)
Analog Outputs	1 x -5 to +11 V (max. 5 mA), 1 x 0-21 mA (max. load 550 Ω)
Selectable Filter	15, 30, 75, 250, 750, 1500 ms
Communication	PROFIBUS DP (GSD file ABB_0716.GSD), baud rate up to 12 Mbit
Display	2 x 16 characters, multi-language
Display Units	N, kN, kg, lbs, N/m, kN/m, kg/m, pli
Operating Temperature	+5°C to +55°C
Protection Rating	IP20 (DIN-rail mount)
Environmental Compliance	EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU, UL508
Order Number	3BSE050091R20

 

 

Main Features and Advantages

PROFIBUS DP Communication: The ABB PFEA112-20 3BSE050091R20 includes a PROFIBUS DP interface as standard, enabling digital transmission of tension values directly to the control system . Unlike traditional analog signals, this digital communication eliminates signal degradation and interference issues, providing reliable, real-time tension data for closed-loop control . The module supports baud rates up to 12 Mbit and is supplied with GSD file ABB_0716.GSD for easy integration .

Interactive Menu and Easy Commissioning: The ABB PFEA112-20 3BSE050091R20 features a unique interactive menu system that guides operators step-by-step through commissioning, significantly reducing setup time and eliminating configuration errors . The multi-language display (English, German, Italian, French, Japanese, Portuguese) ensures accessibility for global operations . All ABB Pressductor load cells are factory-calibrated to the same sensitivity, allowing for fast and accurate commissioning using calculated values instead of calibration weights .

Built-In Self-Diagnostics: The ABB PFEA112-20 3BSE050091R20 continuously monitors system parameters and provides error messages via display and PROFIBUS when faults occur . The green/red status LED provides immediate visual indication of system health, while the maximum load memory and zero offset memory functions support predictive maintenance and traceability . Alarm messages can be transmitted via PROFIBUS, enabling automatic shutdown or operator notification during critical faults .

Versatile Analog Outputs and Filtering: The ABB PFEA112-20 3BSE050091R20 provides both voltage (-5 to +11V) and current (0-21 mA) analog outputs with individual scaling and filtering for each output . Selectable filter settings (15, 30, 75, 250, 750, or 1500 ms) allow removal of roll unbalance, machine vibration, and other disturbances, ensuring clean, stable tension signals . This flexibility makes the ABB PFEA112-20 3BSE050091R20 suitable for both high-speed and low-speed web handling applications.

Robust Design and Multiple Mounting Options: The ABB PFEA112-20 3BSE050091R20 is available in both IP20 DIN-rail mount and IP65 wall mount versions, providing flexibility for different installation environments . The compact design, measuring approximately 170 x 105 x 32 mm, enables installation in space-constrained cabinets . The unit complies with CE, UL508, and EMC directives, ensuring reliable operation in harsh industrial environments .