Signal Amplifier

SAMP03 Signal Amplifier

SAMP03 is a signal amplifier for tension sensors, converting low-level sensor signals into standard output signals for tension controllers, PLCs or monitoring systems.

SAMP03 tension signal amplifier

Key Features

Signal conditioning for tension feedback applications.

  • 32-bit CPU processing with digital filtering supports stable signal updates up to 77 Hz.
  • Differential input supports bridge-type tension sensors and LVDT micro-displacement sensors.
  • ESD protection on input and output ports supports reliable industrial operation.
  • Main channel uses low temperature drift components for stable output.
  • Supports one optically isolated digital input channel.
  • Supports two 12-bit ADC auxiliary analog input channels for 0–10 V signals.
  • Modbus communication interface with RS-485 physical layer.
  • 24 V power supply with low power consumption of about 1.3 W.
ModelSAMP03
Product TypeTension signal amplifier
Power SupplyDC 24 V, 55 mA
Main Channel SupplyDC 5 V, 200 mA max.
Main Channel Input Signal LevelDifferential ±20 mV or ±200 mV, common mode −0.3 V to 4.0 V
Main Channel Temperature Drift0.5 ppm/°C
Main Channel Data Update RateLow speed 18 Hz, high speed 77 Hz
Digital Input1 NPN input
Auxiliary Analog Input2 channels 0–10 V
Auxiliary Analog Input Resolution12-bit ADC
Analog Output1 channel 0–10 V or 0–20 mA
Analog Output Resolution12-bit DAC
Communication InterfaceRS-485, 8 data bits, 1 stop bit, no parity
Communication ProtocolModbus RTU
Display2.8-inch 260K color TFT
HMITouch screen
Protection RatingIP53

System Role

SAMP03 is used between tension sensors and control or monitoring devices. It conditions the sensor signal and provides standard analog or communication outputs for tension control systems.

Input Side

Bridge-type tension sensors or LVDT micro-displacement sensors

Output Side

0–10 V, 0–20 mA, RS-485 / Modbus RTU or controller input

Typical Use

Signal conditioning, tension feedback conversion and PLC / controller integration

Selection Notes

Choose SAMP03 when tension sensor feedback needs to be converted into a standard output signal for a controller, PLC, computer or monitoring system.

Good FitTension sensor signal conditioning, PLC integration, remote monitoring and multi-device feedback applications.
Check FirstConfirm sensor type, signal level, required output signal, communication protocol and installation environment before selection.
System MatchUse with compatible tension sensors and tension controllers according to the required signal output and control architecture.

Compatible Components

Tension Controller

TC100 Automatic Tension Controller

Automatic controller for constant, taper and speed-synchronous tension control on unwind, process and rewind sections.

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Tension Sensors

LC100A Pedestal-Mount Tension Sensor

Compact pedestal-mount tension sensor with low temperature drift, high stability and good linearity.

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LS100A Through-Shaft Tension Sensor

Stainless-steel through-shaft tension sensor with IP66 protection for harsh converting environments.

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LF100A Through-Shaft Tension Sensor

Live-shaft flange tension sensor with built-in self-aligning bearings for reliable web tension measurement.

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LFP100A Through-Shaft Tension Sensor

Compact flange tension sensor with self-aligning bearings for easy roller installation and maintenance.

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LX100A Cantilever Tension Sensor

Cantilever roller tension sensor for stable detection independent of web position on the roller.

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Typical Applications

PLC-Based Tension Monitoring

Converts tension sensor feedback into standard signals for PLC or computer systems.

Closed-Loop Tension Control

Provides conditioned feedback signals for automatic tension control systems.

Machine Retrofit Projects

Useful when adding tension feedback to existing converting or rewinding equipment.

Multi-Sensor Tension Measurement

Supports signal processing where stable sensor feedback is required.

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