ABB PFEA113-20 (corresponding order number 3BSE028144R20) is an industrial-grade high-precision tension controller, belonging to the core component series of ABB tension control. It is positioned as a key equipment for precise detection and closed-loop control of tension of strip, linear and foil materials in industrial production. Integrating four core functions: electromagnetic coupling non-contact tension detection, signal conditioning, PID closed-loop control, and multi-channel expansion, it has advantages such as high precision, high stability, flexible adaptation, and convenient operation and maintenance. As a core component in ABB automation systems to achieve precise control of material tension, it is widely applicable to harsh industrial scenarios in new energy battery manufacturing, precision metal processing, high-speed printing and packaging, wire and cable, optical fiber production and other industries that require precise tension control. It can effectively avoid problems such as wrinkling of materials due to insufficient tension and breakage due to excessive tension, ensuring production quality and efficiency, especially suitable for high-end manufacturing scenarios with extremely high requirements for tension control precision.

This module mainly undertakes five core tasks: tension signal acquisition, precise tension control, signal conditioning, fault monitoring, and data interaction. It focuses on tension control of various continuous materials in industrial production, adopting advanced electromagnetic coupling measurement technology to realize non-contact tension detection. When the material tension changes, the magnetic field mode changes and generates an induced voltage, which is converted into a tension value through high-precision conversion. This technology avoids the wear problem of mechanical sensors and is particularly suitable for wide-range tension control scenarios of 7-280kN. It can directly connect to 2 weighing sensors, and can be expanded to 12 pressure measuring elements for collaborative work, collect tension feedback signals (millivolt level), perform deviation processing through the built-in PID controller, and output control signals to drive peripheral actuators (such as magnetic powder brakes, clutches, servo motors) to realize full-automatic closed-loop control of tension. Relying on engineering-grade high-precision circuit design and signal isolation technology, the measurement accuracy reaches ±0.1% full scale, and the response time is as low as 2ms, which effectively suppresses electromagnetic interference in industrial sites and avoids signal drift and measurement errors. It supports multi-unit display (N, kg, lbs, etc.), adapts to tension measurement needs of different industries, and can realize signal integration and multi-module cascading through Profibus-DP, Profinet, Ethernet/IP and other protocols. Up to 3 controllers can be connected in series to realize segmental roll control without additional conversion modules, effectively solving problems such as low on-site tension control precision, slow response, and difficulty in multi-equipment collaboration. It is widely used in production links such as material slitting, rewinding, traction, and coating, providing reliable tension control support for the continuous, stable and high-quality operation of industrial production.

It adopts an industrial-grade modular design, supporting 35mm DIN rail installation. The surface is coated with a corrosion-resistant high-strength resin coating, facilitating dense deployment and space optimization in control cabinets. Its metal bottom must be connected to the metal DIN rail used as the tension electronic grounding connector, and the DIN rail must be well connected to the PE (protective earthing) of the cabinet to obtain the best corrosion resistance. Equipped with high-density pluggable terminals and dedicated module connectors, it can quickly complete the wiring of power, sensor signals, control signals and module replacement, greatly improving installation, commissioning and maintenance efficiency. When installing, it is necessary to use star washers with each screw used to fix the DIN rail to ensure that the screw diameter and spacing meet the requirements. The enclosure and circuit design comply with relevant industrial electromagnetic compatibility standards, with IP67 protection level, offering excellent anti-electromagnetic interference, dustproof and waterproof capabilities, which can withstand high-frequency noise from inverters in industrial sites, electromagnetic fields from high-power equipment, and harsh environments such as humidity and dust. It supports hot-swappable function, allowing module replacement without shutdown during maintenance, and supports online configuration, parameter setting and fault diagnosis through ABB special configuration software (such as Compact Control Builder). The tension control logic can be customized according to different production process needs, and it also supports simulation debugging mode, which can complete parameter calibration without actual operation of materials, greatly shortening the debugging time.

1. Technical Specifications

1.1 Power Specifications

• Power Supply Voltage: Standard 24VDC (compatible with 18-36V DC wide voltage range), meeting the needs of voltage fluctuations on industrial sites, no additional independent power supply required;
• Power Protection: Equipped with overvoltage, overcurrent, reverse polarity, overload and short-circuit protection functions; electrical isolation between power circuit and signal circuit, effectively suppressing ground loop interference and preventing damage to modules, connected sensors and actuators;
• Typical Power Consumption: High-efficiency and low-power consumption design, rated power consumption ≤7.5W, suitable for long-term continuous operation without additional heat dissipation burden, no need to install heat dissipation devices;
• Power Indication: The panel is equipped with a power LED indicator (green) to intuitively display the module's power supply status, facilitating quick troubleshooting of power supply faults;
• Power Compatibility: Seamlessly compatible with the power architecture of ABB automation systems, can operate synchronously with the system power supply, simplifying system wiring and deployment.

1.2 Computing & Signal Processing Parameters

• Processor Type: Industrial-grade embedded microprocessor, with fast tension signal processing, PID closed-loop control and logic judgment capabilities, rapid and stable response, and processing speed up to 0.72~16.3μs;
• Response Speed: Tension signal response time as low as 2ms, control command output response time ≤5ms, filtering time adjustable from 1-2000ms, ensuring the real-time performance of tension acquisition and control, adapting to high-speed production scenarios of 600m/min, avoiding material tension fluctuations;
• Measurement Accuracy: The measurement range covers 7-280kN (supporting 30μm ultra-thin steel strip control), and the measurement accuracy reaches ±0.1% full scale, effectively ensuring the accuracy of tension control and meeting the high-precision production needs of high-end manufacturing;
• Signal Filtering: Built-in high-precision digital filtering circuit, which can effectively filter out high-frequency interference in industrial sites, amplify and condition weak signals collected by sensors, ensure the accuracy of signal acquisition, and built-in cable shielding grounding point to improve signal stability in strong electromagnetic environments;
• Self-test Function: Built-in hardware self-test and software watchdog function, which can real-time monitor the status of internal components, signal channels and communication links of the module, trigger an alarm and record fault information in case of abnormalities, and support fault code display (such as E001 indicating sensor open circuit) for quick traceability.

1.3 Tension Detection & Control Parameters

• Sensor Support: Can directly connect to 2 weighing sensors, and can be expanded to 12 pressure measuring elements for collaborative work, supporting 3 controllers cascaded to build a segmental roll system, adapting to multi-sensor joint tension detection scenarios;
• Input Signal: Supports millivolt-level tension feedback signal input, adopts electromagnetic coupling non-contact detection technology, perfectly matches ABB weighing sensors, can accurately collect material tension status, and avoids mechanical wear errors;
• Output Signal: Provides configurable analog output (4-20mA, 0-10V or custom output), single-channel maximum output current 10A, which can directly drive peripheral actuators such as magnetic powder brakes, clutches, and servo motors to realize tension closed-loop control;
• Control Function: Built-in PID closed-loop controller, supporting three control modes: manual control, semi-automatic control and full-automatic control, which can be flexibly switched according to production needs, with roll diameter calculation, taper adjustment, and dynamic gain switching functions, adapting to tension control of unwinding, winding and high-speed production scenarios of winding equipment, and supporting hanging weight method to automatically calculate "wrap gain" to simplify the debugging process;
• Alarm Function: Supports multiple types of alarms such as abnormal tension (too high/too low), sensor failure, and communication interruption, can preset alarm thresholds, and upload alarm information and light up the panel alarm indicator when an alarm is triggered, facilitating timely fault handling and avoiding production interruption.

1.4 Communication & Compatibility Parameters

• Communication Interface: Integrates various communication interfaces such as Profibus-DP, RS-485, Modbus TCP, Profinet, and Ethernet/IP, supports redundant communication configuration, and can flexibly connect to different types of communication links;
• Communication Protocols: Native support for mainstream industrial protocols such as Profibus-DP, Modbus RTU, Modbus TCP, and DeviceNet, which can be seamlessly connected with ABB automation systems (such as ABB 800xA) and third-party automation equipment (such as Siemens S7 series PLC), facilitating system integration;
• Data Transmission: The data transmission rate can be flexibly adjusted according to the protocol, and the parameter refresh cycle ≤1s, ensuring real-time interaction of tension signals, control commands and fault information without packet loss, and the output frequency can reach 60kHz;
• System Compatibility: Deeply compatible with ABB automation control systems, can be directly connected to the existing automation network, and supports seamless linkage with ABB drives and inverters to achieve integrated tension control;
• Expansion Capacity: Supports multi-module cascading deployment, up to 3 controllers can be connected in series to realize collaborative control of 12 sensors, which can be flexibly expanded according to on-site production scale, adapting to different production capacity needs, with large program capacity and supporting function expansion.

1.5 Environmental Parameters

• Operating Temperature: -40℃ to +70℃, wide temperature range design adapts to extreme high and low temperature industrial environments, and can start and operate stably in extreme scenarios such as high-temperature drying rooms, cold storage and conventional industrial environments;
• Operating Humidity: 5%–95% (non-condensing), capable of stable operation in humid industrial environments, adapting to humid scenarios such as papermaking, textile, and new energy battery manufacturing;
• Anti-Interference Level: Complies with EMC-related industrial electromagnetic compatibility standards, has excellent anti-electromagnetic interference performance, can resist strong electromagnetic interference on site, and avoid signal drift and measurement errors;
• Reliability: Certified by CE and UL, mean time between failures (MTBF) ＞50,000 hours, natural heat dissipation, maintenance-free operation, adapting to long-term continuous production needs, and can achieve long-term stable operation with a warranty period of up to 3 years;
• Protection Performance: IP67 protection level, with excellent dustproof, waterproof and corrosion-resistant capabilities, can be directly installed in harsh on-site environments without additional protection measures, adapting to high-dust, high-humidity and corrosive industrial environments.

1.6 Physical & Installation Parameters

• Overall Dimensions: Compact modular design, approximately 70mm×130mm×125mm (subject to actual product), adapting to dense installation needs, saving control cabinet installation space;
• Installation Method: Supports 35mm DIN rail installation, the metal bottom must be well connected to the cabinet PE protective earthing, and star washers must be used for fixation during installation, which can be connected to the system through a dedicated connector, with convenient installation;
• Wiring Terminals: Pluggable high-density wiring terminals, reliable wiring, plug-in life ＞1000 times, facilitating quick wiring and module replacement, improving operation and maintenance efficiency;
• Status Indication: The panel is equipped with multi-color LED indicators, providing multi-language digital display and function keys, which can intuitively display power supply, operation, communication, fault and tension status, facilitating users to real-time monitor and adjust tension status;
• Weight: Net weight of a single module is about 0.65kg, lightweight and easy to install, convenient for spare part management and on-site replacement, reducing operation and maintenance workload.

2. Features

1. High-Precision Non-Contact Tension Control, Ensuring High-End Production Quality: Adopting electromagnetic coupling non-contact detection technology to avoid the wear problem of mechanical sensors, engineering-grade precision design, measurement accuracy up to ±0.1% full scale, response time as low as 2ms, which can accurately collect tension signals and realize PID closed-loop control, effectively avoiding problems such as wrinkling of materials due to insufficient tension and breakage due to excessive tension. It can ensure the qualification rate of 99.98% in the production of 30μm ultra-thin stainless steel strips, greatly improving the qualification rate of products in slitting, rewinding, coating and other links, and adapting to the high-precision production needs of high-end manufacturing.
2. Multi-Mode Control and Flexible Expansion Adaptation: Supports three tension control modes: manual, semi-automatic and full-automatic, with roll diameter calculation, taper adjustment, and dynamic gain switching functions, adapting to different process needs such as unwinding, winding and high-speed production of winding equipment; can directly connect to 2 weighing sensors, supports multi-module cascading expansion to 12 sensors for collaborative control, and can build a segmental roll system through 3 controllers cascading, adapting to different production scales and complex scenario needs, and supports simulation debugging mode, shortening the debugging time by 60%.
3. Strong Anti-Interference and High Reliability: Industrial-grade circuit design, electrical isolation between power and signal circuits, with comprehensive power protection functions; complies with EMC-related industrial electromagnetic compatibility standards, built-in cable shielding grounding point, can effectively resist strong electromagnetic interference on site, avoiding signal drift and measurement errors; IP67 protection level, wide temperature range design (-40℃ to +70℃), adapting to different harsh industrial environments, stable and reliable for long-term operation, can achieve zero-fault operation, passed multiple international certifications, and has a long warranty period.
4. Seamless Integration and Multi-Protocol Compatibility: As a native module of the ABB tension control series, it can be seamlessly connected to ABB automation systems, drives and inverters without additional conversion modules; supports multiple mainstream industrial protocols and communication interfaces, compatible with third-party automation equipment, seamlessly accessing mainstream PLC systems such as ABB 800xA and Siemens S7, simplifying system integration difficulty, shortening project delivery cycle, and improving system synergy efficiency.
5. Convenient Operation and Maintenance, Efficient Management and Control: Supports hot-swappable function, allowing maintenance without shutdown, reducing production losses; panel multi-color LED indicators, digital display and fault codes can intuitively display the module's operation, fault and tension status, facilitating quick location of faults and tension abnormalities; supports online configuration, parameter setting and fault diagnosis through ABB special configuration software, built-in fault log storage function, supports log export, providing support for fault tracing and predictive maintenance, significantly reducing operation and maintenance costs, and has a user-friendly human-machine interface and simple programming method, easy to operate.

3. Operating Principle

1. Initialization and Link Establishment: After power-on, the module completes a full self-test, initializes the processor, tension detection channel, PID controller, communication interface and internal control circuit, and loads the built-in firmware and pre-configured configuration parameters (such as tension threshold, control mode, filtering parameters, etc.); establishes a connection with the ABB automation main control system, on-site weighing sensors, and peripheral actuators (magnetic powder brakes, clutches, servo motors) through the communication interface, and after parameter calibration and state synchronization, it is connected to the automation control system, enters the normal working state, and ensures good grounding to ensure signal stability.
2. Tension Signal Acquisition and Conditioning: Through 2 sensor interfaces, using electromagnetic coupling non-contact technology, it collects millivolt-level tension signals fed back by on-site weighing sensors. When the material tension changes, the magnetic field mode changes and generates an induced voltage, which is filtered out of high-frequency interference in industrial sites through the built-in high-precision digital filtering circuit, and then the weak signals are amplified and converted through the signal conditioning circuit to convert them into digital signals recognizable by the processor; at the same time, it real-time monitors the change of tension signals, and transmits the collected tension data to the main control system and PID controller in real time to provide a basis for tension control decisions, supporting multi-unit display to adapt to the needs of different industries.
3. Tension Closed-Loop Control and Command Execution: The PID controller calculates the deviation according to the preset tension target value and the collected actual tension value, and after processing through the PID algorithm and dynamic gain switching function, issues a control command to the module output channel; the module drives the action of peripheral actuators such as magnetic powder brakes, clutches, and servo motors through configurable analog output signals, adjusts the output torque or speed of the actuator, thereby changing the material tension, making the actual tension value approach the target value, and realizing full-automatic closed-loop control of tension; it also supports manual and semi-automatic mode switching, which can flexibly adjust the control mode according to production needs, with roll diameter calculation and taper adjustment functions, adapting to high-speed and complex production scenarios.
4. Fault Monitoring and Alarm Handling: The module real-time monitors its own operation status, tension detection channel status, sensor status, communication link and power supply status, and detects component abnormalities, signal drift, sensor faults, abnormal tension (too high/too low), communication interruption and other faults through the self-test circuit; if an abnormality is detected, it immediately triggers an alarm, lights up the panel alarm indicator, displays the fault code, records fault information (fault type, fault channel, abnormal tension value) and uploads it to the main control system through the bus, facilitating operation and maintenance personnel to quickly troubleshoot and handle, avoiding production interruption caused by fault expansion.
5. Maintenance Management and Configuration Update: Supports online modification of module parameters, configuration of tension control mode, setting of alarm thresholds, and adjustment of PID parameters through ABB special configuration software (such as Compact Control Builder) without disassembling the module; supports hot-swappable maintenance, and can replace the module online to reduce downtime; built-in fault log storage function, supports log export, providing support for fault tracing and predictive maintenance, and supports online firmware upgrade to improve module performance and compatibility, supporting simulation debugging mode to complete parameter calibration without actual operation of materials.