Name: ABB PFXC141 Pressductor® Load Cell Tension Junction Box, Part No. 3BSE029997R1 - MASSIVE
Brand: ABB

Description

ABB PFXC141 Pressductor® Load Cell Tension Junction Box, Part No. 3BSE029997R1

Product Description

The PFXC141 is a field-mounted IP65 junction box designed exclusively for ABB Millmate Pressductor® tension measurement systems. It acts as the central wiring hub between Pressductor load cells and PFEA series tension electronics. This enclosure consolidates multiple load cell signal cables, provides internal terminal blocks for signal routing, cable compensation and shielding termination. Mounted close to tension sensors, it minimizes short field wiring and reduces electromagnetic noise pickup on low-level AC excitation signals. The sealed housing protects internal wiring from dust, moisture and airborne contaminants in paper, film and metal rolling environments. It supports up to two Pressductor load cells and preserves signal integrity for precise web tension measurement, serving as a key spare part for maintenance and retrofit of ABB tension control lines.

PFXC141

Technical Specifications

Model: PFXC141
ABB Part Number: 3BSE029997R1 / 3BSE029997R0001
Product Type: Pressductor Tension Junction Box
Enclosure Material: Flame-retardant, halogen-free polycarbonate
Protection Class: IP65 (NEMA 4)
Cable Glands: Pg16 for cables Ø6–12 mm
Dimensions: 220 mm × 120 mm × 81 mm (L × W × H)
Weight: Approx. 2 kg
Supported Load Cells: Up to 2 × Pressductor load cells
Operating Temperature: -40 °C ~ +80 °C
Storage Temperature: -40 °C ~ +85 °C
Relative Humidity: 5%–95% non-condensing
Mounting: Wall mount, installed near load cells
Terminals: Internal screw terminals for load cell excitation and signal wires
Origin: Sweden

Compatibility & Installation Pitfalls

Compatibility

Tension Electronics: PFEA111-65, PFEA112-65, PFEA113-65
Load Cells: ABB Pressductor PFCL301E, PFTL301E, PFRL101 series tension load cells
Accessories: Shielded twisted-pair Pressductor load cell cable
Control System: Works with PLC, drives and HMI connected to PFEA tension amplifier

Installation Pitfalls

Shield Termination Rules: Load cell cable shield must be properly grounded only at one end. Dual-side grounding creates ground loops and tension signal drift.
Unused Cable Glands: All unused gland openings must be sealed with blank plugs. Missing plugs break IP65 protection and allow moisture ingress.
Cable Strain Relief: Secure cable strain relief inside the box. Pulling tension on internal terminals will break fine signal wires and cause intermittent reading faults.
Separation from Power Cables: Keep load cell signal cables away from VFD, motor and high-current power wiring to avoid induced noise.
Mounting Location: Install PFXC141 as close to load cells as possible. Long unshielded runs between load cell and junction box degrade measurement accuracy.
Calibration Requirement: After rewiring inside PFXC141, re-perform zero and span calibration on the PFEA tension unit.
Do Not Mix Sensor Types: This junction box is engineered for ABB Pressductor AC excitation load cells; standard DC strain gauge sensors cannot be used.

Standard Operating Procedure (SOP)

Pre-Installation

Verify part number PFXC141 / 3BSE029997R1. Inspect enclosure, cover seal, cable glands and terminal blocks for damage.
Prepare shielded Pressductor load cell cables, wiring diagram and torque screwdriver for terminal tightening.
Confirm all tension system power is isolated and locked out.
Check load cell model, cable length and tension amplifier configuration.

Wiring & Mounting

Mount on solid wall near the tension load cells, leave space for cover removal and maintenance.
Route load cell cables through Pg16 cable glands, fit strain relief.
Connect load cell excitation and signal wires to internal terminals following the wiring schematic.
Terminate cable shield strictly per single-point earthing instruction.
Tighten gland nuts, fit blank plugs for unused openings, then close and fasten enclosure cover.

Post-Installation Verification

Restore power to PFEA tension electronics.
Perform zero calibration and span calibration of the tension measurement system.
Apply known reference weight to load cell and verify tension reading accuracy.
Run machine at low speed and monitor signal stability, check for signal fluctuation.
Inspect enclosure seal after commissioning; record installation date and cable layout in maintenance log.