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ABB PFEA112-20 3BSE050091R20 Tension Amplifier
I. Product Description
This device is an ABB Pressductor series dual-channel tension measurement amplifier, specifically designed to be compatible with PFCL and PFTL series magnetically-pinned tension sensors. It can excite, power, amplify, filter, and process the weakly sensed tension signals from two channels, converting them into standard analog signals. It also comes with Profibus-DP bus communication, uploading real-time tension data to PLC and DCS systems to achieve constant tension closed-loop control in the sheet production line. The model suffix - 20 indicates compatibility with the maximum 20kN range tension sensor, featuring a liquid crystal panel for on-site parameter calibration and local tension value display. It is installed using DIN rail control cabinets and is a core component for tension control systems in the papermaking, metallurgy, and film industries.
Key Technical Parameters
Ordering Model: PFEA112-20, Material Code: 3BSE050091R20
Sensor Channels: 2 channels of magnetically-pinned tension sensor input
Sensor Excitation: 330Hz, 0.5Arms AC excitation power supply
Maximum Sensor Range Compatible: 20kN
Analog Output: 1 channel - 5~+11V voltage output, 1 channel 0~21mA current output
Communication Interface: Profibus-DP, maximum transmission rate 12Mbps
Measurement Accuracy: Full scale ±0.05% FS
Signal Response Time: ≤20ms
Electrical Isolation: 3000VAC electrical isolation between input, output, and power supply
Power Supply: DC 12~48V, typical DC 24V, overall power consumption 7.5W
Operating Temperature Range: -20℃~+55℃
Storage Temperature Range: -40℃~+85℃
Relative Humidity: 5%~95% RH, no condensation
Protection Grade: IP20 (installed in control cabinet)
Installation Method: 35mm standard DIN rail installation
Overall Size: 170mm×105mm×32mm, net weight approximately 0.12kg
Certifications: CE, UL industrial safety certification
Product Performance
Supports sum, difference, and average value calculations for two tension signals, accurately calculating the total tension of the roller system and the deviation of single-sided tension. It suppresses lateral load interference.
Built-in multi-level digital filtering algorithms can filter equipment vibration and inverter electromagnetic interference, ensuring stable and non-jumping tension measurement data.
Equipped with a liquid crystal display and operation keys, it supports on-site zero-point calibration, range calibration, unit switching (N, kN, kg), and does not require an upper computer for debugging.
Dual-channel analog output + DP bus dual data output, can directly connect to the inverter for closed-loop speed regulation or be connected to industrial buses for remote centralized monitoring.
Has self-check functions for line break, sensor failure, and overload, with fault indicator lights alarming and uploading fault codes, facilitating rapid troubleshooting.
Supports cascading networking of multiple amplifiers and is compatible with multiple production lines and multiple points for centralized tension collection scenarios.
Wide voltage power supply and strong electrical isolation design enable stable operation in metallurgy, papermaking, etc., with high dust and strong electromagnetic interference conditions.
Application Domains
Metallurgy Industry: Cold rolling, galvanizing, color coating, aluminum foil production line steel strip tension detection and closed-loop control
Paper Industry: High-speed paper machine, coating machine, rewinding machine, cutting machine for original paper tension measurement and control, preventing paper breakage, deviation, and wrinkling
Film and Plastic Industry: BOPP, PET optical film, lithium battery separator, non-woven fabric winding and unwinding constant tension control
Textile and Chemical Fiber Industry: Chemical fiber spinning, industrial fabric, cable extrusion production line tension stable regulation
Printing and Packaging Industry: Roll paper printing, self-adhesive cutting, soft packaging composite equipment tension monitoring
List of Similar Model Numbers PFEA112-5: Compatible with the maximum 5kN small-range tension sensor
PFEA112-10: Compatible with the maximum 10kN medium-range tension sensor
PFEA112-20: Compatible with the maximum 20kN (the commonly used model of this series)
PFEA112-50: Compatible with the 50kN large-range heavy-duty production line
PFEA112-65: IP65 protective wall-mounted outdoor moisture-proof version
PFEA111: Single-channel economical tension amplifier
PFEA113: Four-channel multi-channel tension collection high-end amplifier
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