Meggitt TQ402 111-402-000-013 Torque Sensor | VIBRO-METER

Meggitt TQ402 111-402-000-013 Torque Sensor | VIBRO-METER: Precision Energy Control for Industrial Automation

The Meggitt TQ402 111-402-000-013 is a high-precision, non-contact torque sensor from Meggitt’s renowned VIBRO-METER series, engineered to deliver accurate real-time torque measurement across demanding industrial drive systems. In modern manufacturing environments where energy efficiency is no longer optional, the TQ402 serves as a critical data acquisition node — capturing shaft torque data with exceptional fidelity to help engineers identify energy waste, optimize motor loading, and reduce unnecessary power draw across rotating machinery.

Unlike conventional contact-type sensors that introduce mechanical friction and require periodic maintenance, the TQ402’s non-contact measurement principle eliminates wear-related signal drift, ensuring long-term measurement stability without interrupting production. This directly translates into lower maintenance costs, reduced unplanned downtime, and more reliable energy consumption data for process optimization teams.

Efficiency Performance Table

Energy-Aware Automation Architecture

The TQ402 111-402-000-013 is designed to integrate seamlessly into layered industrial automation architectures where energy visibility drives operational decisions. At the drive level, the sensor pairs naturally with variable frequency drives (VFDs) such as the Siemens SINAMICS S120 or ABB ACS880, providing real-time torque feedback that allows the drive controller to dynamically adjust motor speed and output power — eliminating the chronic energy waste caused by fixed-speed operation under variable load conditions.

On the control side, the TQ402’s analog output interfaces directly with programmable logic controllers including the Siemens S7-1500 CPU 1516-3 PN/DP and Allen-Bradley ControlLogix 1756-L85E, enabling closed-loop torque regulation within existing PLC programs without requiring additional signal conditioning hardware. For distributed control architectures, the sensor signal can be routed through Profibus DP or PROFINET IO communication modules to reach remote I/O stations such as the Siemens ET 200SP, maintaining signal integrity across long cable runs in large plant environments.

At the monitoring layer, the TQ402 feeds torque and derived shaft power data into condition monitoring platforms such as the Meggitt VIBRO-METER VM600 machinery protection system, where it works alongside vibration sensors, speed probes, and temperature transducers to build a comprehensive picture of rotating equipment health. This multi-parameter approach enables predictive maintenance scheduling — replacing reactive breakdown repairs with planned interventions that keep production lines running at optimal efficiency.

For HMI visualization, torque trend data from the TQ402 can be displayed on Siemens SIMATIC HMI TP1500 Comfort panels or integrated into Wonderware InTouch SCADA dashboards, giving operators immediate visibility into drive loading patterns and energy consumption per production cycle. Power quality analyzers such as the Fluke 435-II can complement the TQ402’s mechanical power data with electrical-side measurements, enabling engineers to calculate overall drivetrain efficiency from motor input to shaft output.

Power Optimization in Real Production Lines

In real-world production environments, undetected torque imbalances and motor overloading are among the most common sources of avoidable energy waste. A motor running at 110% of its rated torque for extended periods not only consumes excess power but also accelerates insulation degradation, bearing wear, and coupling fatigue — compounding energy costs with accelerating maintenance expenditure. The Meggitt TQ402 111-402-000-013 addresses this directly by providing continuous, high-accuracy torque measurement that exposes these inefficiencies in real time.

In pump and compressor applications, the TQ402 enables engineers to correlate shaft torque with flow rate and pressure data, identifying operating points where the system deviates from its best efficiency point (BEP). By feeding this data back to the VFD controller, the system can automatically trim motor speed to maintain BEP operation — reducing energy consumption by 15–30% in variable-load pumping systems without any reduction in process output.

On automated assembly lines and conveyor systems, the TQ402 provides cycle-by-cycle torque profiling that reveals mechanical inefficiencies such as misalignment, excessive friction, or worn gearbox components before they cause unplanned stops. Maintenance teams can use this data to schedule targeted interventions during planned downtime windows, eliminating the production losses and emergency repair costs associated with unexpected equipment failures.

For motor test bench applications, the TQ402 111-402-000-013 delivers the measurement accuracy required for efficiency mapping across the full speed-torque operating range, supporting compliance with IE3 and IE4 motor efficiency standards. All units supplied by ZYPLC are pre-tested prior to shipment, with full functional verification and documentation provided as standard. A 12-month warranty covers all supplied units, with global logistics support ensuring fast delivery to manufacturing sites worldwide.

Energy Optimization FAQ

Q1: How does the TQ402 111-402-000-013 contribute to measurable energy savings?
By providing continuous real-time torque data, the TQ402 enables drive controllers and PLC systems to maintain motors at their optimal operating point. This eliminates over-loading, reduces reactive power draw, and supports VFD speed optimization — delivering measurable reductions in energy consumption across motor-driven systems.

Q2: Is the TQ402 compatible with existing PLC and DCS control platforms?
Yes. The TQ402’s standard analog output (±10V or 4–20mA) is compatible with virtually all major PLC, DCS, and SCADA platforms without additional signal conditioning. It integrates directly with Siemens S7 series, Allen-Bradley ControlLogix, Mitsubishi MELSEC, and Schneider Modicon systems.

Q3: Can the TQ402 replace an existing torque sensor in a running production line?
In most cases, yes. The non-contact measurement principle and standard signal output make the TQ402 a drop-in replacement for many legacy torque transducers. ZYPLC’s technical team can advise on mechanical mounting compatibility and signal wiring based on your existing installation drawings.

Q4: What does the 12-month warranty cover, and how is pre-shipment testing conducted?
All Meggitt TQ402 111-402-000-013 units supplied by ZYPLC undergo full functional testing prior to shipment, including output signal verification, linearity check, and insulation resistance measurement. The 12-month warranty covers manufacturing defects and functional failures under normal operating conditions, with replacement or repair support coordinated through ZYPLC’s after-sales team.

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