ABB PFEA112‑20 3BSE050091R20 Tension Measuring Electronic Unit

The ABB PFEA112‑20 (3BSE050091R20) is a tension measurement electronic unit of ABB PFEA11 series. It matches Pressductor load cells to detect web tension and convert tension force into standard analog signals for automation control systems.

This DIN‑rail mounted unit is equipped with a digital display and parameter setting buttons. It features adjustable filtering and signal scaling functions, and is widely used as spare parts for paper, film and textile production line maintenance and renovation.

Main Specifications

1. Brand: ABB; Model: PFEA112‑20, Part No:3BSE050091R20; Type: Tension Measuring Electronic Unit
2. Compatible Sensor: ABB Pressductor load cells, support up to 2 load cells
3. Power Supply: 24VDC (18‑36VDC), power consumption 7.5W
4. Analog Output: 0‑10V and 4‑20mA tension signal output
5. Filter Time: Multiple optional filtering time from 15ms to 1500ms
6. Display: 2×16 character multi‑language digital LCD screen
7. Operating Temperature: 5℃ ~ +55℃, 5%‑95% RH non‑condensing
8. Installation: Standard DIN rail mounting, IP20 protection grade

Core Functions

1. Supply excitation signal and collect tension sensing data from load cells.
2. Carry out filtering, calculation and scaling processing of raw tension signals.
3. Output standard analog tension measurement signals to PLC, DCS or drive controllers.
4. Real‑time display of single‑sensor tension value, total tension and difference value.
5. Built‑in self‑diagnosis function to detect sensor and wiring faults.
6. Provide stable tension feedback for closed‑loop tension regulation of continuous production lines.

Application Scenarios

1. Web tension monitoring and closed‑loop control for paper, film, foil and textile production lines.
2. Spare replacement and routine maintenance of ABB Pressductor tension measurement systems.
3. Automation upgrading and reconstruction of old continuous winding and unwinding equipment.
4. On‑site troubleshooting and faulty tension electronic unit replacement projects.
5. Spare‑parts stocking for system integrators and web handling machinery contractors.
6. Global aftermarket spare supply for technicians maintaining ABB PFEA11 series tension hardware.

FAQ

1. Q: How many load cells can PFEA112‑20 connect?
   A: It can support 2 pieces of ABB Pressductor tension load cells.
2. Q: What is the difference between PFEA112‑20 and PFEA113‑20?
   A: PFEA112‑20 supports 2 sensors; PFEA113‑20 can connect up to 4 load cells with digital outputs.

3. Q: Does this unit come with tension control algorithm?
   A: It is a measuring transmitter for tension signal conversion, and needs an external controller to realize closed‑loop tension regulation.