Technical Specifications Strain‑gauge sensor input interface, analog output and digital communication interface. Auxiliary working power input. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Built‑in sensor excitation power supply and signal filtering circuit.
Functional Features Provides stable excitation power for strain‑gauge tension sensor. Receives weak millivolt‑level strain signal from sensor. Completes high‑gain amplification, filtering and tension value calculation. Outputs tension measuring result via analog channel or digital communication to host controller. Front‑panel indicator lamps display module power‑on, measuring and fault status. Built‑in self‑diagnosis detects sensor cable breakage and internal hardware abnormality.
Application Scenarios Spare tension measuring unit for industrial web processing production line. Widely used in papermaking, plastic film, textile and metal foil rolling equipment maintenance.
Performance Parameters High‑precision weak signal amplification performance. Stable real‑time tension value output capability. Reliable sensor loop fault diagnosis function.
Material Composition Metal housing. Multilayer glass‑fiber epoxy printed circuit board. Sensor excitation, signal amplification and calculation processing assemblies. Sensor input terminals, analog output and communication terminals.
Structural Characteristics Compact rack‑mount unit. Front panel equipped with status indicators. Signal wiring terminals arranged on lower side of housing. Standard rack mounting holes.
Working Principle Module supplies excitation voltage to strain‑gauge tension sensor. Sensor outputs millivolt differential signal corresponding to actual tension. After amplification and filtering, internal circuit calculates tension value, measuring result is transmitted to upper‑level controller through analog output or digital communication channel.
Installation RequirementsConnect tension sensor shielded cable and host signal wiring strictly according to terminal definition, properly handle shield grounding. Restore power supply, perform tension zero‑point and span calibration, verify measuring value consistency with actual web tension.
Usage Notes Sensor signal cable shall be separated from high‑power interference cable. Hot‑plug under powered state is prohibited. Complete zero‑span calibration after hardware replacement.
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